diff options
Diffstat (limited to 'tools/testing/selftests/ftrace/test.d')
109 files changed, 1843 insertions, 668 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/00basic/ringbuffer_subbuf_size.tc b/tools/testing/selftests/ftrace/test.d/00basic/ringbuffer_subbuf_size.tc new file mode 100644 index 000000000000..d44d09a33a74 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/00basic/ringbuffer_subbuf_size.tc @@ -0,0 +1,95 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Change the ringbuffer sub-buffer size +# requires: buffer_subbuf_size_kb +# flags: instance + +get_buffer_data_size() { + sed -ne 's/^.*data.*size:\([0-9][0-9]*\).*/\1/p' events/header_page +} + +get_buffer_data_offset() { + sed -ne 's/^.*data.*offset:\([0-9][0-9]*\).*/\1/p' events/header_page +} + +get_event_header_size() { + type_len=`sed -ne 's/^.*type_len.*:[^0-9]*\([0-9][0-9]*\).*/\1/p' events/header_event` + time_len=`sed -ne 's/^.*time_delta.*:[^0-9]*\([0-9][0-9]*\).*/\1/p' events/header_event` + array_len=`sed -ne 's/^.*array.*:[^0-9]*\([0-9][0-9]*\).*/\1/p' events/header_event` + total_bits=$((type_len+time_len+array_len)) + total_bits=$((total_bits+7)) + echo $((total_bits/8)) +} + +get_print_event_buf_offset() { + sed -ne 's/^.*buf.*offset:\([0-9][0-9]*\).*/\1/p' events/ftrace/print/format +} + +event_header_size=`get_event_header_size` +print_header_size=`get_print_event_buf_offset` + +data_offset=`get_buffer_data_offset` + +marker_meta=$((event_header_size+print_header_size)) + +make_str() { + cnt=$1 + printf -- 'X%.0s' $(seq $cnt) +} + +write_buffer() { + size=$1 + + str=`make_str $size` + + # clear the buffer + echo > trace + + # write the string into the marker + echo $str > trace_marker + + echo $str +} + +test_buffer() { + size_kb=$1 + page_size=$((size_kb*1024)) + + size=`get_buffer_data_size` + + # the size must be greater than or equal to page_size - data_offset + page_size=$((page_size-data_offset)) + if [ $size -lt $page_size ]; then + exit fail + fi + + # Now add a little more the meta data overhead will overflow + + str=`write_buffer $size` + + # Make sure the line was broken + new_str=`awk ' /tracing_mark_write:/ { sub(/^.*tracing_mark_write: /,"");printf "%s", $0; exit}' trace` + + if [ "$new_str" = "$str" ]; then + exit fail; + fi + + # Make sure the entire line can be found + new_str=`awk ' /tracing_mark_write:/ { sub(/^.*tracing_mark_write: /,"");printf "%s", $0; }' trace` + + if [ "$new_str" != "$str" ]; then + exit fail; + fi +} + +ORIG=`cat buffer_subbuf_size_kb` + +# Could test bigger sizes than 32K, but then creating the string +# to write into the ring buffer takes too long +for a in 4 8 16 32 ; do + echo $a > buffer_subbuf_size_kb + test_buffer $a +done + +echo $ORIG > buffer_subbuf_size_kb + diff --git a/tools/testing/selftests/ftrace/test.d/00basic/snapshot.tc b/tools/testing/selftests/ftrace/test.d/00basic/snapshot.tc index 3b1f45e13a2e..13b4dabcf46e 100644 --- a/tools/testing/selftests/ftrace/test.d/00basic/snapshot.tc +++ b/tools/testing/selftests/ftrace/test.d/00basic/snapshot.tc @@ -1,9 +1,8 @@ #!/bin/sh # description: Snapshot and tracing setting +# requires: snapshot # flags: instance -[ ! -f snapshot ] && exit_unsupported - echo "Set tracing off" echo 0 > tracing_on diff --git a/tools/testing/selftests/ftrace/test.d/00basic/snapshot1.tc b/tools/testing/selftests/ftrace/test.d/00basic/snapshot1.tc new file mode 100644 index 000000000000..63b76cf2a360 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/00basic/snapshot1.tc @@ -0,0 +1,31 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Snapshot and tracing_cpumask +# requires: trace_marker tracing_cpumask snapshot +# flags: instance + +# This testcase is constrived to reproduce a problem that the cpu buffers +# become unavailable which is due to 'record_disabled' of array_buffer and +# max_buffer being messed up. + +# Store origin cpumask +ORIG_CPUMASK=`cat tracing_cpumask` + +# Stop tracing all cpu +echo 0 > tracing_cpumask + +# Take a snapshot of the main buffer +echo 1 > snapshot + +# Restore origin cpumask, note that there should be some cpus being traced +echo ${ORIG_CPUMASK} > tracing_cpumask + +# Set tracing on +echo 1 > tracing_on + +# Write a log into buffer +echo "test input 1" > trace_marker + +# Ensure the log writed so that cpu buffers are still available +grep -q "test input 1" trace +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/00basic/test_ownership.tc b/tools/testing/selftests/ftrace/test.d/00basic/test_ownership.tc new file mode 100644 index 000000000000..c45094d1e1d2 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/00basic/test_ownership.tc @@ -0,0 +1,114 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Test file and directory ownership changes for eventfs + +original_group=`stat -c "%g" .` +original_owner=`stat -c "%u" .` + +mount_point=`stat -c '%m' .` +mount_options=`mount | grep "$mount_point" | sed -e 's/.*(\(.*\)).*/\1/'` + +# find another owner and group that is not the original +other_group=`tac /etc/group | grep -v ":$original_group:" | head -1 | cut -d: -f3` +other_owner=`tac /etc/passwd | grep -v ":$original_owner:" | head -1 | cut -d: -f3` + +# Remove any group ownership already +new_options=`echo "$mount_options" | sed -e "s/gid=[0-9]*/gid=$other_group/"` + +if [ "$new_options" = "$mount_options" ]; then + new_options="$mount_options,gid=$other_group" + mount_options="$mount_options,gid=$original_group" +fi + +canary="events/timer events/timer/timer_cancel events/timer/timer_cancel/format" + +test() { + file=$1 + test_group=$2 + + owner=`stat -c "%u" $file` + group=`stat -c "%g" $file` + + echo "testing $file $owner=$original_owner and $group=$test_group" + if [ $owner -ne $original_owner ]; then + exit_fail + fi + if [ $group -ne $test_group ]; then + exit_fail + fi + + # Note, the remount does not update ownership so test going to and from owner + echo "test owner $file to $other_owner" + chown $other_owner $file + owner=`stat -c "%u" $file` + if [ $owner -ne $other_owner ]; then + exit_fail + fi + + chown $original_owner $file + owner=`stat -c "%u" $file` + if [ $owner -ne $original_owner ]; then + exit_fail + fi + +} + +run_tests() { + for d in "." "events" "events/sched" "events/sched/sched_switch" "events/sched/sched_switch/enable" $canary; do + test "$d" $other_group + done + + chgrp $original_group events + test "events" $original_group + for d in "." "events/sched" "events/sched/sched_switch" "events/sched/sched_switch/enable" $canary; do + test "$d" $other_group + done + + chgrp $original_group events/sched + test "events/sched" $original_group + for d in "." "events/sched/sched_switch" "events/sched/sched_switch/enable" $canary; do + test "$d" $other_group + done + + chgrp $original_group events/sched/sched_switch + test "events/sched/sched_switch" $original_group + for d in "." "events/sched/sched_switch/enable" $canary; do + test "$d" $other_group + done + + chgrp $original_group events/sched/sched_switch/enable + test "events/sched/sched_switch/enable" $original_group + for d in "." $canary; do + test "$d" $other_group + done +} + +mount -o remount,"$new_options" . + +run_tests + +mount -o remount,"$mount_options" . + +for d in "." "events" "events/sched" "events/sched/sched_switch" "events/sched/sched_switch/enable" $canary; do + test "$d" $original_group +done + +# check instances as well + +chgrp $other_group instances + +instance="$(mktemp -u test-XXXXXX)" + +mkdir instances/$instance + +cd instances/$instance + +run_tests + +cd ../.. + +rmdir instances/$instance + +chgrp $original_group instances + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/00basic/trace_marker.tc b/tools/testing/selftests/ftrace/test.d/00basic/trace_marker.tc new file mode 100644 index 000000000000..9aa0db2b84fc --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/00basic/trace_marker.tc @@ -0,0 +1,82 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Basic tests on writing to trace_marker +# requires: trace_marker +# flags: instance + +get_buffer_data_size() { + sed -ne 's/^.*data.*size:\([0-9][0-9]*\).*/\1/p' events/header_page +} + +get_buffer_data_offset() { + sed -ne 's/^.*data.*offset:\([0-9][0-9]*\).*/\1/p' events/header_page +} + +get_event_header_size() { + type_len=`sed -ne 's/^.*type_len.*:[^0-9]*\([0-9][0-9]*\).*/\1/p' events/header_event` + time_len=`sed -ne 's/^.*time_delta.*:[^0-9]*\([0-9][0-9]*\).*/\1/p' events/header_event` + array_len=`sed -ne 's/^.*array.*:[^0-9]*\([0-9][0-9]*\).*/\1/p' events/header_event` + total_bits=$((type_len+time_len+array_len)) + total_bits=$((total_bits+7)) + echo $((total_bits/8)) +} + +get_print_event_buf_offset() { + sed -ne 's/^.*buf.*offset:\([0-9][0-9]*\).*/\1/p' events/ftrace/print/format +} + +event_header_size=`get_event_header_size` +print_header_size=`get_print_event_buf_offset` + +data_offset=`get_buffer_data_offset` + +marker_meta=$((event_header_size+print_header_size)) + +make_str() { + cnt=$1 + # subtract two for \n\0 as marker adds these + cnt=$((cnt-2)) + printf -- 'X%.0s' $(seq $cnt) +} + +write_buffer() { + size=$1 + + str=`make_str $size` + + # clear the buffer + echo > trace + + # write the string into the marker + echo -n $str > trace_marker + + echo $str +} + +test_buffer() { + + size=`get_buffer_data_size` + oneline_size=$((size-marker_meta)) + echo size = $size + echo meta size = $marker_meta + + # Now add a little more the meta data overhead will overflow + + str=`write_buffer $size` + + # Make sure the line was broken + new_str=`awk ' /tracing_mark_write:/ { sub(/^.*tracing_mark_write: /,"");printf "%s", $0; exit}' trace` + + if [ "$new_str" = "$str" ]; then + exit fail; + fi + + # Make sure the entire line can be found + new_str=`awk ' /tracing_mark_write:/ { sub(/^.*tracing_mark_write: /,"");printf "%s", $0; }' trace` + + if [ "$new_str" != "$str" ]; then + exit fail; + fi +} + +test_buffer diff --git a/tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc b/tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc index 5058fbcfd90f..435d07b13407 100644 --- a/tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc +++ b/tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc @@ -1,10 +1,9 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: trace_pipe and trace_marker +# requires: trace_marker # flags: instance -[ ! -f trace_marker ] && exit_unsupported - echo "test input 1" > trace_marker : "trace interface never consume the ring buffer" diff --git a/tools/testing/selftests/ftrace/test.d/direct/kprobe-direct.tc b/tools/testing/selftests/ftrace/test.d/direct/kprobe-direct.tc index 801ecb63e84c..e52e470a1f8f 100644 --- a/tools/testing/selftests/ftrace/test.d/direct/kprobe-direct.tc +++ b/tools/testing/selftests/ftrace/test.d/direct/kprobe-direct.tc @@ -1,6 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Test ftrace direct functions against kprobes +# requires: kprobe_events rmmod ftrace-direct ||: if ! modprobe ftrace-direct ; then @@ -8,11 +9,6 @@ if ! modprobe ftrace-direct ; then exit_unresolved; fi -if [ ! -f kprobe_events ]; then - echo "No kprobe_events file -please build CONFIG_KPROBE_EVENTS" - exit_unresolved; -fi - echo "Let the module run a little" sleep 1 diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_btfarg.tc b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_btfarg.tc new file mode 100644 index 000000000000..c0cdad4c400e --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_btfarg.tc @@ -0,0 +1,78 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Generic dynamic event - add/remove probes with BTF arguments +# requires: dynamic_events "<argname>":README + +KPROBES= +FPROBES= +FIELDS= + +if grep -qF "p[:[<group>/][<event>]] <place> [<args>]" README ; then + KPROBES=yes +fi +if grep -qF "f[:[<group>/][<event>]] <func-name>[%return] [<args>]" README ; then + FPROBES=yes +fi +if grep -qF "<argname>[->field[->field|.field...]]" README ; then + FIELDS=yes +fi + +if [ -z "$KPROBES" -a -z "$FPROBES" ] ; then + exit_unsupported +fi + +echo 0 > events/enable +echo > dynamic_events + +TP=kfree +TP2=kmem_cache_alloc +TP3=getname_flags +TP4=sched_wakeup + +if [ "$FPROBES" ] ; then +echo "f:fpevent $TP object" >> dynamic_events +echo "t:tpevent $TP ptr" >> dynamic_events + +grep -q "fpevent.*object=object" dynamic_events +grep -q "tpevent.*ptr=ptr" dynamic_events + +echo > dynamic_events + +echo "f:fpevent $TP "'$arg1' >> dynamic_events +grep -q "fpevent.*object=object" dynamic_events + +echo > dynamic_events + +echo "f:fpevent $TP "'$arg*' >> dynamic_events +echo "t:tpevent $TP "'$arg*' >> dynamic_events + +grep -q "fpevent.*object=object" dynamic_events +grep -q "tpevent.*ptr=ptr" dynamic_events +! grep -q "tpevent.*_data" dynamic_events +fi + +echo > dynamic_events + +if [ "$FIELDS" -a "$FPROBES" ] ; then +echo "t:tpevent ${TP2} obj_size=s->object_size" >> dynamic_events +echo "f:fpevent ${TP3}%return path=\$retval->name:string" >> dynamic_events +echo "t:tpevent2 ${TP4} p->se.group_node.next->prev" >> dynamic_events + +grep -q "tpevent .*obj_size=s->object_size" dynamic_events +grep -q "fpevent.*path=\$retval->name:string" dynamic_events +grep -q 'tpevent2 .*p->se.group_node.next->prev' dynamic_events + +echo > dynamic_events +fi + +if [ "$KPROBES" ] ; then +echo "p:kpevent $TP object" >> dynamic_events +grep -q "kpevent.*object=object" dynamic_events + +echo > dynamic_events + +echo "p:kpevent $TP "'$arg*' >> dynamic_events +grep -q "kpevent.*object=object" dynamic_events +fi + +clear_trace diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_eprobe.tc b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_eprobe.tc new file mode 100644 index 000000000000..c300eb020262 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_eprobe.tc @@ -0,0 +1,97 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Generic dynamic event - add/remove eprobe events +# requires: dynamic_events events/syscalls/sys_enter_openat "<attached-group>.<attached-event> [<args>]":README + +echo 0 > events/enable + +clear_dynamic_events + +SYSTEM="syscalls" +EVENT="sys_enter_openat" +FIELD="filename" +EPROBE="eprobe_open" +OPTIONS="file=+0(\$filename):ustring" +echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events + +grep -q "$EPROBE" dynamic_events +test -d events/eprobes/$EPROBE + +echo 1 > events/eprobes/$EPROBE/enable +ls +echo 0 > events/eprobes/$EPROBE/enable + +content=`grep '^ *ls-' trace | grep 'file='` +nocontent=`grep '^ *ls-' trace | grep 'file=' | grep -v -e '"/' -e '"."' -e '(fault)' ` || true + +if [ -z "$content" ]; then + exit_fail +fi + +if [ ! -z "$nocontent" ]; then + exit_fail +fi + +echo "-:$EPROBE" >> dynamic_events + +! grep -q "$EPROBE" dynamic_events +! test -d events/eprobes/$EPROBE + +# test various ways to remove the probe (already tested with just event name) + +# With group name +echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events +grep -q "$EPROBE" dynamic_events +test -d events/eprobes/$EPROBE +echo "-:eprobes/$EPROBE" >> dynamic_events +! grep -q "$EPROBE" dynamic_events +! test -d events/eprobes/$EPROBE + +# With group name and system/event +echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events +grep -q "$EPROBE" dynamic_events +test -d events/eprobes/$EPROBE +echo "-:eprobes/$EPROBE $SYSTEM/$EVENT" >> dynamic_events +! grep -q "$EPROBE" dynamic_events +! test -d events/eprobes/$EPROBE + +# With just event name and system/event +echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events +grep -q "$EPROBE" dynamic_events +test -d events/eprobes/$EPROBE +echo "-:$EPROBE $SYSTEM/$EVENT" >> dynamic_events +! grep -q "$EPROBE" dynamic_events +! test -d events/eprobes/$EPROBE + +# With just event name and system/event and options +echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events +grep -q "$EPROBE" dynamic_events +test -d events/eprobes/$EPROBE +echo "-:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events +! grep -q "$EPROBE" dynamic_events +! test -d events/eprobes/$EPROBE + +# With group name and system/event and options +echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events +grep -q "$EPROBE" dynamic_events +test -d events/eprobes/$EPROBE +echo "-:eprobes/$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events +! grep -q "$EPROBE" dynamic_events +! test -d events/eprobes/$EPROBE + +# Finally make sure what is in the dynamic_events file clears it too +echo "e:$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events +LINE=`sed -e '/$EPROBE/s/^e/-/' < dynamic_events` +test -d events/eprobes/$EPROBE +echo "-:eprobes/$EPROBE $SYSTEM/$EVENT $OPTIONS" >> dynamic_events +! grep -q "$EPROBE" dynamic_events +! test -d events/eprobes/$EPROBE + +if grep -q "e\[:\[<group>/]\[<event>]]" README; then + echo "e:mygroup/ $SYSTEM/$EVENT $OPTIONS" >> dynamic_events + test -d events/mygroup + echo "-:mygroup/" >> dynamic_events + ! test -d events/mygroup +fi + +clear_trace diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_fprobe.tc b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_fprobe.tc new file mode 100644 index 000000000000..dc25bcf4f9e2 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_fprobe.tc @@ -0,0 +1,26 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Generic dynamic event - add/remove fprobe events +# requires: dynamic_events "f[:[<group>/][<event>]] <func-name>[%return] [<args>]":README + +echo 0 > events/enable +echo > dynamic_events + +PLACE=$FUNCTION_FORK + +echo "f:myevent1 $PLACE" >> dynamic_events +echo "f:myevent2 $PLACE%return" >> dynamic_events + +grep -q myevent1 dynamic_events +grep -q myevent2 dynamic_events +test -d events/fprobes/myevent1 +test -d events/fprobes/myevent2 + +echo "-:myevent2" >> dynamic_events + +grep -q myevent1 dynamic_events +! grep -q myevent2 dynamic_events + +echo > dynamic_events + +clear_trace diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_kprobe.tc b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_kprobe.tc index c6d8387dbbb8..13d43f40a6fc 100644 --- a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_kprobe.tc +++ b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_kprobe.tc @@ -1,16 +1,12 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Generic dynamic event - add/remove kprobe events - -[ -f dynamic_events ] || exit_unsupported - -grep -q "place: \[<module>:\]<symbol>" README || exit_unsupported -grep -q "place (kretprobe): \[<module>:\]<symbol>" README || exit_unsupported +# requires: dynamic_events "place: [<module>:]<symbol>":README "place (kretprobe): [<module>:]<symbol>":README echo 0 > events/enable echo > dynamic_events -PLACE=_do_fork +PLACE=$FUNCTION_FORK echo "p:myevent1 $PLACE" >> dynamic_events echo "r:myevent2 $PLACE" >> dynamic_events @@ -27,4 +23,11 @@ grep -q myevent1 dynamic_events echo > dynamic_events +if grep -q "p\[:\[<group>/]\[<event>]]" README; then + echo "p:mygroup/ $PLACE" >> dynamic_events + test -d events/mygroup + echo "-:mygroup/" >> dynamic_events + ! test -d events/mygroup +fi + clear_trace diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_synth.tc b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_synth.tc index 62b77b5941d0..2b94611e1a28 100644 --- a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_synth.tc +++ b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_synth.tc @@ -1,10 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Generic dynamic event - add/remove synthetic events - -[ -f dynamic_events ] || exit_unsupported - -grep -q "s:\[synthetic/\]" README || exit_unsupported +# requires: dynamic_events "s:[synthetic/]":README echo 0 > events/enable echo > dynamic_events diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_tprobe.tc b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_tprobe.tc new file mode 100644 index 000000000000..155792eaeee5 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_tprobe.tc @@ -0,0 +1,27 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Generic dynamic event - add/remove tracepoint probe events +# requires: dynamic_events "t[:[<group>/][<event>]] <tracepoint> [<args>]":README + +echo 0 > events/enable +echo > dynamic_events + +TRACEPOINT1=kmem_cache_alloc +TRACEPOINT2=kmem_cache_free + +echo "t:myevent1 $TRACEPOINT1" >> dynamic_events +echo "t:myevent2 $TRACEPOINT2" >> dynamic_events + +grep -q myevent1 dynamic_events +grep -q myevent2 dynamic_events +test -d events/tracepoints/myevent1 +test -d events/tracepoints/myevent2 + +echo "-:myevent2" >> dynamic_events + +grep -q myevent1 dynamic_events +! grep -q myevent2 dynamic_events + +echo > dynamic_events + +clear_trace diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/clear_select_events.tc b/tools/testing/selftests/ftrace/test.d/dynevent/clear_select_events.tc index e0842109cb57..3a0e2885fff5 100644 --- a/tools/testing/selftests/ftrace/test.d/dynevent/clear_select_events.tc +++ b/tools/testing/selftests/ftrace/test.d/dynevent/clear_select_events.tc @@ -1,21 +1,12 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Generic dynamic event - selective clear (compatibility) - -[ -f dynamic_events ] || exit_unsupported - -grep -q "place: \[<module>:\]<symbol>" README || exit_unsupported -grep -q "place (kretprobe): \[<module>:\]<symbol>" README || exit_unsupported - -grep -q "s:\[synthetic/\]" README || exit_unsupported - -[ -f synthetic_events ] || exit_unsupported -[ -f kprobe_events ] || exit_unsupported +# requires: dynamic_events kprobe_events synthetic_events "place: [<module>:]<symbol>":README "place (kretprobe): [<module>:]<symbol>":README "s:[synthetic/]":README echo 0 > events/enable echo > dynamic_events -PLACE=_do_fork +PLACE=$FUNCTION_FORK setup_events() { echo "p:myevent1 $PLACE" >> dynamic_events diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/eprobes_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/dynevent/eprobes_syntax_errors.tc new file mode 100644 index 000000000000..4f5e8c665156 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/eprobes_syntax_errors.tc @@ -0,0 +1,29 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Event probe event parser error log check +# requires: dynamic_events events/syscalls/sys_enter_openat "<attached-group>.<attached-event> [<args>]":README error_log + +check_error() { # command-with-error-pos-by-^ + ftrace_errlog_check 'event_probe' "$1" 'dynamic_events' +} + +check_error 'e ^a.' # NO_EVENT_INFO +check_error 'e ^.b' # NO_EVENT_INFO +check_error 'e ^a.b' # BAD_ATTACH_EVENT +check_error 'e syscalls/sys_enter_openat ^foo' # BAD_ATTACH_ARG +check_error 'e:^/bar syscalls/sys_enter_openat' # NO_GROUP_NAME +check_error 'e:^12345678901234567890123456789012345678901234567890123456789012345/bar syscalls/sys_enter_openat' # GROUP_TOO_LONG + +check_error 'e:^foo.1/bar syscalls/sys_enter_openat' # BAD_GROUP_NAME +check_error 'e:^ syscalls/sys_enter_openat' # NO_EVENT_NAME +check_error 'e:foo/^12345678901234567890123456789012345678901234567890123456789012345 syscalls/sys_enter_openat' # EVENT_TOO_LONG +check_error 'e:foo/^bar.1 syscalls/sys_enter_openat' # BAD_EVENT_NAME + +check_error 'e:foo/bar syscalls/sys_enter_openat arg=^dfd' # BAD_FETCH_ARG +check_error 'e:foo/bar syscalls/sys_enter_openat ^arg=$foo' # BAD_ATTACH_ARG + +if grep -q '<attached-group>\.<attached-event>.*\[if <filter>\]' README; then + check_error 'e:foo/bar syscalls/sys_enter_openat if ^' # NO_EP_FILTER +fi + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/fprobe_args_vfs.tc b/tools/testing/selftests/ftrace/test.d/dynevent/fprobe_args_vfs.tc new file mode 100644 index 000000000000..c6a9d2466a71 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/fprobe_args_vfs.tc @@ -0,0 +1,41 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Fprobe event VFS type argument +# requires: dynamic_events "%pd/%pD":README "f[:[<group>/][<event>]] <func-name>[%return] [<args>]":README + + +: "Test argument %pd with name for fprobe" +echo 'f:testprobe dput name=$arg1:%pd' > dynamic_events +echo 1 > events/fprobes/testprobe/enable +grep -q "1" events/fprobes/testprobe/enable +echo 0 > events/fprobes/testprobe/enable +grep "dput" trace | grep -q "enable" +echo "" > dynamic_events +echo "" > trace + +: "Test argument %pd without name for fprobe" +echo 'f:testprobe dput $arg1:%pd' > dynamic_events +echo 1 > events/fprobes/testprobe/enable +grep -q "1" events/fprobes/testprobe/enable +echo 0 > events/fprobes/testprobe/enable +grep "dput" trace | grep -q "enable" +echo "" > dynamic_events +echo "" > trace + +: "Test argument %pD with name for fprobe" +echo 'f:testprobe vfs_read name=$arg1:%pD' > dynamic_events +echo 1 > events/fprobes/testprobe/enable +grep -q "1" events/fprobes/testprobe/enable +echo 0 > events/fprobes/testprobe/enable +grep "vfs_read" trace | grep -q "enable" +echo "" > dynamic_events +echo "" > trace + +: "Test argument %pD without name for fprobe" +echo 'f:testprobe vfs_read $arg1:%pD' > dynamic_events +echo 1 > events/fprobes/testprobe/enable +grep -q "1" events/fprobes/testprobe/enable +echo 0 > events/fprobes/testprobe/enable +grep "vfs_read" trace | grep -q "enable" +echo "" > dynamic_events +echo "" > trace diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/fprobe_entry_arg.tc b/tools/testing/selftests/ftrace/test.d/dynevent/fprobe_entry_arg.tc new file mode 100644 index 000000000000..1e251ce2998e --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/fprobe_entry_arg.tc @@ -0,0 +1,18 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Function return probe entry argument access +# requires: dynamic_events 'f[:[<group>/][<event>]] <func-name>':README 'kernel return probes support:':README + +echo 'f:tests/myevent1 vfs_open arg=$arg1' >> dynamic_events +echo 'f:tests/myevent2 vfs_open%return arg=$arg1' >> dynamic_events + +echo 1 > events/tests/enable + +echo > trace +cat trace > /dev/null + +streq() { + test $1 = $2 +} + +streq `grep -A 1 -m 1 myevent1 trace | sed -r 's/^.*(arg=.*)/\1/' ` diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/fprobe_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/dynevent/fprobe_syntax_errors.tc new file mode 100644 index 000000000000..61877d166451 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/fprobe_syntax_errors.tc @@ -0,0 +1,123 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Fprobe event parser error log check +# requires: dynamic_events "f[:[<group>/][<event>]] <func-name>[%return] [<args>]":README + +check_error() { # command-with-error-pos-by-^ + ftrace_errlog_check 'trace_fprobe' "$1" 'dynamic_events' +} + +case `uname -m` in +x86_64|i[3456]86) + REG=%ax ;; +aarch64) + REG=%x0 ;; +*) + REG=%r0 ;; +esac + +check_error 'f^100 vfs_read' # MAXACT_NO_KPROBE +check_error 'f^1a111 vfs_read' # BAD_MAXACT +check_error 'f^100000 vfs_read' # MAXACT_TOO_BIG + +check_error 'f ^non_exist_func' # BAD_PROBE_ADDR (enoent) +check_error 'f ^vfs_read+10' # BAD_PROBE_ADDR +check_error 'f:^/bar vfs_read' # NO_GROUP_NAME +check_error 'f:^12345678901234567890123456789012345678901234567890123456789012345/bar vfs_read' # GROUP_TOO_LONG + +check_error 'f:^foo.1/bar vfs_read' # BAD_GROUP_NAME +check_error 'f:^ vfs_read' # NO_EVENT_NAME +check_error 'f:foo/^12345678901234567890123456789012345678901234567890123456789012345 vfs_read' # EVENT_TOO_LONG +check_error 'f:foo/^bar.1 vfs_read' # BAD_EVENT_NAME + +check_error 'f vfs_read ^$stack10000' # BAD_STACK_NUM + +check_error 'f vfs_read ^$arg10000' # BAD_ARG_NUM + +if !grep -q 'kernel return probes support:' README; then +check_error 'f vfs_read $retval ^$arg1' # BAD_VAR +fi +check_error 'f vfs_read ^$none_var' # BAD_VAR +check_error 'f vfs_read ^'$REG # BAD_VAR + +check_error 'f vfs_read ^@12345678abcde' # BAD_MEM_ADDR +check_error 'f vfs_read ^@+10' # FILE_ON_KPROBE + +grep -q "imm-value" README && \ +check_error 'f vfs_read arg1=\^x' # BAD_IMM +grep -q "imm-string" README && \ +check_error 'f vfs_read arg1=\"abcd^' # IMMSTR_NO_CLOSE + +check_error 'f vfs_read ^+0@0)' # DEREF_NEED_BRACE +check_error 'f vfs_read ^+0ab1(@0)' # BAD_DEREF_OFFS +check_error 'f vfs_read +0(+0(@0^)' # DEREF_OPEN_BRACE + +if grep -A1 "fetcharg:" README | grep -q '\$comm' ; then +check_error 'f vfs_read +0(^$comm)' # COMM_CANT_DEREF +fi + +check_error 'f vfs_read ^&1' # BAD_FETCH_ARG + + +# We've introduced this limitation with array support +if grep -q ' <type>\\\[<array-size>\\\]' README; then +check_error 'f vfs_read +0(^+0(+0(+0(+0(+0(+0(+0(+0(+0(+0(+0(+0(+0(@0))))))))))))))' # TOO_MANY_OPS? +check_error 'f vfs_read +0(@11):u8[10^' # ARRAY_NO_CLOSE +check_error 'f vfs_read +0(@11):u8[10]^a' # BAD_ARRAY_SUFFIX +check_error 'f vfs_read +0(@11):u8[^10a]' # BAD_ARRAY_NUM +check_error 'f vfs_read +0(@11):u8[^256]' # ARRAY_TOO_BIG +fi + +check_error 'f vfs_read @11:^unknown_type' # BAD_TYPE +check_error 'f vfs_read $stack0:^string' # BAD_STRING +check_error 'f vfs_read @11:^b10@a/16' # BAD_BITFIELD + +check_error 'f vfs_read ^arg123456789012345678901234567890=@11' # ARG_NAME_TOO_LOG +check_error 'f vfs_read ^=@11' # NO_ARG_NAME +check_error 'f vfs_read ^var.1=@11' # BAD_ARG_NAME +check_error 'f vfs_read var1=@11 ^var1=@12' # USED_ARG_NAME +check_error 'f vfs_read ^+1234567(+1234567(+1234567(+1234567(+1234567(+1234567(@1234))))))' # ARG_TOO_LONG +check_error 'f vfs_read arg1=^' # NO_ARG_BODY + + +# multiprobe errors +if grep -q "Create/append/" README && grep -q "imm-value" README; then +echo "f:fprobes/testevent $FUNCTION_FORK" > dynamic_events +check_error '^f:fprobes/testevent do_exit%return' # DIFF_PROBE_TYPE + +# Explicitly use printf "%s" to not interpret \1 +printf "%s" "f:fprobes/testevent $FUNCTION_FORK abcd=\\1" > dynamic_events +check_error "f:fprobes/testevent $FUNCTION_FORK ^bcd=\\1" # DIFF_ARG_TYPE +check_error "f:fprobes/testevent $FUNCTION_FORK ^abcd=\\1:u8" # DIFF_ARG_TYPE +check_error "f:fprobes/testevent $FUNCTION_FORK ^abcd=\\\"foo\"" # DIFF_ARG_TYPE +check_error "^f:fprobes/testevent $FUNCTION_FORK abcd=\\1" # SAME_PROBE +fi + +# %return suffix errors +check_error 'f vfs_read^%hoge' # BAD_ADDR_SUFFIX + +# BTF arguments errors +if grep -q "<argname>" README; then +check_error 'f vfs_read args=^$arg*' # BAD_VAR_ARGS +check_error 'f vfs_read +0(^$arg*)' # BAD_VAR_ARGS +check_error 'f vfs_read $arg* ^$arg*' # DOUBLE_ARGS +if !grep -q 'kernel return probes support:' README; then +check_error 'f vfs_read%return ^$arg*' # NOFENTRY_ARGS +fi +check_error 'f vfs_read ^hoge' # NO_BTFARG +check_error 'f kfree ^$arg10' # NO_BTFARG (exceed the number of parameters) +check_error 'f kfree%return ^$retval' # NO_RETVAL + +if grep -qF "<argname>[->field[->field|.field...]]" README ; then +check_error 'f vfs_read%return $retval->^foo' # NO_PTR_STRCT +check_error 'f vfs_read file->^foo' # NO_BTF_FIELD +check_error 'f vfs_read file^-.foo' # BAD_HYPHEN +check_error 'f vfs_read ^file:string' # BAD_TYPE4STR +fi + +else +check_error 'f vfs_read ^$arg*' # NOSUP_BTFARG +check_error 't kfree ^$arg*' # NOSUP_BTFARG +fi + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/generic_clear_event.tc b/tools/testing/selftests/ftrace/test.d/dynevent/generic_clear_event.tc index 901922e97878..d3e138e8377f 100644 --- a/tools/testing/selftests/ftrace/test.d/dynevent/generic_clear_event.tc +++ b/tools/testing/selftests/ftrace/test.d/dynevent/generic_clear_event.tc @@ -1,18 +1,12 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Generic dynamic event - generic clear event - -[ -f dynamic_events ] || exit_unsupported - -grep -q "place: \[<module>:\]<symbol>" README || exit_unsupported -grep -q "place (kretprobe): \[<module>:\]<symbol>" README || exit_unsupported - -grep -q "s:\[synthetic/\]" README || exit_unsupported +# requires: dynamic_events "place: [<module>:]<symbol>":README "place (kretprobe): [<module>:]<symbol>":README "s:[synthetic/]":README echo 0 > events/enable echo > dynamic_events -PLACE=_do_fork +PLACE=$FUNCTION_FORK setup_events() { echo "p:myevent1 $PLACE" >> dynamic_events diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/test_duplicates.tc b/tools/testing/selftests/ftrace/test.d/dynevent/test_duplicates.tc new file mode 100644 index 000000000000..5f72abe6fa79 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/test_duplicates.tc @@ -0,0 +1,38 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Generic dynamic event - check if duplicate events are caught +# requires: dynamic_events "e[:[<group>/][<event>]] <attached-group>.<attached-event> [<args>]":README events/syscalls/sys_enter_openat + +echo 0 > events/enable + +HAVE_KPROBES=0 + +if [ -f kprobe_events ]; then + HAVE_KPROBES=1 +fi + +clear_dynamic_events + +# first create dynamic events for eprobes and kprobes. + +echo 'e:egroup/eevent syscalls/sys_enter_openat file=+0($filename):ustring' >> dynamic_events + +# Test eprobe for same eprobe, existing kprobe and existing event +! echo 'e:egroup/eevent syscalls/sys_enter_openat file=+0($filename):ustring' >> dynamic_events +! echo 'e:syscalls/sys_enter_open syscalls/sys_enter_openat file=+0($filename):ustring' >> dynamic_events + +if [ $HAVE_KPROBES -eq 1 ]; then + echo 'p:kgroup/kevent vfs_open file=+0($arg2)' >> dynamic_events + ! echo 'e:kgroup/kevent syscalls/sys_enter_openat file=+0($filename):ustring' >> dynamic_events + +# Test kprobe for same kprobe, existing eprobe and existing event + ! echo 'p:kgroup/kevent vfs_open file=+0($arg2)' >> dynamic_events + ! echo 'p:egroup/eevent vfs_open file=+0($arg2)' >> dynamic_events + ! echo 'p:syscalls/sys_enter_open vfs_open file=+0($arg2)' >> dynamic_events + + echo '-:kgroup/kevent' >> dynamic_events +fi + +echo '-:egroup/eevent' >> dynamic_events + +clear_trace diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/tprobe_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/dynevent/tprobe_syntax_errors.tc new file mode 100644 index 000000000000..da117b8f1d12 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/tprobe_syntax_errors.tc @@ -0,0 +1,82 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Tracepoint probe event parser error log check +# requires: dynamic_events "t[:[<group>/][<event>]] <tracepoint> [<args>]":README + +check_error() { # command-with-error-pos-by-^ + ftrace_errlog_check 'trace_fprobe' "$1" 'dynamic_events' +} + +check_error 't^100 kfree' # BAD_MAXACT_TYPE + +check_error 't ^non_exist_tracepoint' # NO_TRACEPOINT +check_error 't:^/bar kfree' # NO_GROUP_NAME +check_error 't:^12345678901234567890123456789012345678901234567890123456789012345/bar kfree' # GROUP_TOO_LONG + +check_error 't:^foo.1/bar kfree' # BAD_GROUP_NAME +check_error 't:^ kfree' # NO_EVENT_NAME +check_error 't:foo/^12345678901234567890123456789012345678901234567890123456789012345 kfree' # EVENT_TOO_LONG +check_error 't:foo/^bar.1 kfree' # BAD_EVENT_NAME + +check_error 't kfree ^$retval' # RETVAL_ON_PROBE +check_error 't kfree ^$stack10000' # BAD_STACK_NUM + +check_error 't kfree ^$arg10000' # BAD_ARG_NUM + +check_error 't kfree ^$none_var' # BAD_VAR +check_error 't kfree ^%rax' # BAD_VAR + +check_error 't kfree ^@12345678abcde' # BAD_MEM_ADDR +check_error 't kfree ^@+10' # FILE_ON_KPROBE + +grep -q "imm-value" README && \ +check_error 't kfree arg1=\^x' # BAD_IMM +grep -q "imm-string" README && \ +check_error 't kfree arg1=\"abcd^' # IMMSTR_NO_CLOSE + +check_error 't kfree ^+0@0)' # DEREF_NEED_BRACE +check_error 't kfree ^+0ab1(@0)' # BAD_DEREF_OFFS +check_error 't kfree +0(+0(@0^)' # DEREF_OPEN_BRACE + +if grep -A1 "fetcharg:" README | grep -q '\$comm' ; then +check_error 't kfree +0(^$comm)' # COMM_CANT_DEREF +fi + +check_error 't kfree ^&1' # BAD_FETCH_ARG + + +# We've introduced this limitation with array support +if grep -q ' <type>\\\[<array-size>\\\]' README; then +check_error 't kfree +0(^+0(+0(+0(+0(+0(+0(+0(+0(+0(+0(+0(+0(+0(@0))))))))))))))' # TOO_MANY_OPS? +check_error 't kfree +0(@11):u8[10^' # ARRAY_NO_CLOSE +check_error 't kfree +0(@11):u8[10]^a' # BAD_ARRAY_SUFFIX +check_error 't kfree +0(@11):u8[^10a]' # BAD_ARRAY_NUM +check_error 't kfree +0(@11):u8[^256]' # ARRAY_TOO_BIG +fi + +check_error 't kfree @11:^unknown_type' # BAD_TYPE +check_error 't kfree $stack0:^string' # BAD_STRING +check_error 't kfree @11:^b10@a/16' # BAD_BITFIELD + +check_error 't kfree ^arg123456789012345678901234567890=@11' # ARG_NAME_TOO_LOG +check_error 't kfree ^=@11' # NO_ARG_NAME +check_error 't kfree ^var.1=@11' # BAD_ARG_NAME +check_error 't kfree var1=@11 ^var1=@12' # USED_ARG_NAME +check_error 't kfree ^+1234567(+1234567(+1234567(+1234567(+1234567(+1234567(@1234))))))' # ARG_TOO_LONG +check_error 't kfree arg1=^' # NO_ARG_BODY + + +# multiprobe errors +if grep -q "Create/append/" README && grep -q "imm-value" README; then +echo "t:tracepoint/testevent kfree" > dynamic_events +check_error '^f:tracepoint/testevent kfree' # DIFF_PROBE_TYPE + +# Explicitly use printf "%s" to not interpret \1 +printf "%s" "t:tracepoints/testevent kfree abcd=\\1" > dynamic_events +check_error "t:tracepoints/testevent kfree ^bcd=\\1" # DIFF_ARG_TYPE +check_error "t:tracepoints/testevent kfree ^abcd=\\1:u8" # DIFF_ARG_TYPE +check_error "t:tracepoints/testevent kfree ^abcd=\\\"foo\"" # DIFF_ARG_TYPE +check_error "^t:tracepoints/testevent kfree abcd=\\1" # SAME_PROBE +fi + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/event/event-enable.tc b/tools/testing/selftests/ftrace/test.d/event/event-enable.tc index dfb0d5122f7b..cfe5bd2d4267 100644 --- a/tools/testing/selftests/ftrace/test.d/event/event-enable.tc +++ b/tools/testing/selftests/ftrace/test.d/event/event-enable.tc @@ -1,6 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event tracing - enable/disable with event level files +# requires: set_event events/sched # flags: instance do_reset() { @@ -13,11 +14,6 @@ fail() { #msg exit_fail } -if [ ! -f set_event -o ! -d events/sched ]; then - echo "event tracing is not supported" - exit_unsupported -fi - echo 'sched:sched_switch' > set_event yield diff --git a/tools/testing/selftests/ftrace/test.d/event/event-no-pid.tc b/tools/testing/selftests/ftrace/test.d/event/event-no-pid.tc index f0f366f18d0c..9933ed24f901 100644 --- a/tools/testing/selftests/ftrace/test.d/event/event-no-pid.tc +++ b/tools/testing/selftests/ftrace/test.d/event/event-no-pid.tc @@ -1,6 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event tracing - restricts events based on pid notrace filtering +# requires: set_event events/sched set_event_pid set_event_notrace_pid # flags: instance do_reset() { @@ -56,15 +57,9 @@ enable_events() { echo 1 > tracing_on } -if [ ! -f set_event -o ! -d events/sched ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f set_event_pid -o ! -f set_event_notrace_pid ]; then - echo "event pid notrace filtering is not supported" - exit_unsupported -fi +other_task() { + sleep .001 || usleep 1 || sleep 1 +} echo 0 > options/event-fork @@ -103,6 +98,9 @@ child=$! echo "child = $child" wait $child +# Be sure some other events will happen for small systems (e.g. 1 core) +other_task + echo 0 > tracing_on cnt=`count_pid $mypid` diff --git a/tools/testing/selftests/ftrace/test.d/event/event-pid.tc b/tools/testing/selftests/ftrace/test.d/event/event-pid.tc index f9cb214220b1..7f5f97dffdc3 100644 --- a/tools/testing/selftests/ftrace/test.d/event/event-pid.tc +++ b/tools/testing/selftests/ftrace/test.d/event/event-pid.tc @@ -1,6 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event tracing - restricts events based on pid +# requires: set_event set_event_pid events/sched # flags: instance do_reset() { @@ -16,16 +17,6 @@ fail() { #msg exit_fail } -if [ ! -f set_event -o ! -d events/sched ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f set_event_pid ]; then - echo "event pid filtering is not supported" - exit_unsupported -fi - echo 0 > options/event-fork echo 1 > events/sched/sched_switch/enable diff --git a/tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc b/tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc index 83a8c571e93a..b7c8f29c09a9 100644 --- a/tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc +++ b/tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc @@ -1,6 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event tracing - enable/disable with subsystem level files +# requires: set_event events/sched/enable # flags: instance do_reset() { @@ -13,16 +14,11 @@ fail() { #msg exit_fail } -if [ ! -f set_event -o ! -d events/sched ]; then - echo "event tracing is not supported" - exit_unsupported -fi - echo 'sched:*' > set_event yield -count=`cat trace | grep -v ^# | awk '{ print $5 }' | sort -u | wc -l` +count=`head -n 100 trace | grep -v ^# | awk '{ print $5 }' | sort -u | wc -l` if [ $count -lt 3 ]; then fail "at least fork, exec and exit events should be recorded" fi @@ -33,7 +29,7 @@ echo 1 > events/sched/enable yield -count=`cat trace | grep -v ^# | awk '{ print $5 }' | sort -u | wc -l` +count=`head -n 100 trace | grep -v ^# | awk '{ print $5 }' | sort -u | wc -l` if [ $count -lt 3 ]; then fail "at least fork, exec and exit events should be recorded" fi @@ -44,7 +40,7 @@ echo 0 > events/sched/enable yield -count=`cat trace | grep -v ^# | awk '{ print $5 }' | sort -u | wc -l` +count=`head -n 100 trace | grep -v ^# | awk '{ print $5 }' | sort -u | wc -l` if [ $count -ne 0 ]; then fail "any of scheduler events should not be recorded" fi diff --git a/tools/testing/selftests/ftrace/test.d/event/toplevel-enable.tc b/tools/testing/selftests/ftrace/test.d/event/toplevel-enable.tc index 84d7bda08d2a..93c10ea42a68 100644 --- a/tools/testing/selftests/ftrace/test.d/event/toplevel-enable.tc +++ b/tools/testing/selftests/ftrace/test.d/event/toplevel-enable.tc @@ -1,6 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event tracing - enable/disable with top level files +# requires: available_events set_event events/enable do_reset() { echo > set_event @@ -12,11 +13,6 @@ fail() { #msg exit_fail } -if [ ! -f available_events -o ! -f set_event -o ! -d events ]; then - echo "event tracing is not supported" - exit_unsupported -fi - echo '*:*' > set_event yield diff --git a/tools/testing/selftests/ftrace/test.d/filter/event-filter-function.tc b/tools/testing/selftests/ftrace/test.d/filter/event-filter-function.tc new file mode 100644 index 000000000000..118247b8dd84 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/filter/event-filter-function.tc @@ -0,0 +1,85 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: event filter function - test event filtering on functions +# requires: set_event events/kmem/kmem_cache_free/filter +# flags: instance + +fail() { #msg + echo $1 + exit_fail +} + +sample_events() { + echo 1 > events/kmem/kmem_cache_free/enable + echo 1 > tracing_on + ls > /dev/null + echo 0 > tracing_on + echo 0 > events/kmem/kmem_cache_free/enable +} + +echo 0 > tracing_on +echo 0 > events/enable + +echo "Get the most frequently calling function" +echo > trace +sample_events + +target_func=`cat trace | grep -o 'call_site=\([^+]*\)' | sed 's/call_site=//' | sort | uniq -c | sort | tail -n 1 | sed 's/^[ 0-9]*//'` +if [ -z "$target_func" ]; then + exit_fail +fi +echo > trace + +echo "Test event filter function name" +echo "call_site.function == $target_func" > events/kmem/kmem_cache_free/filter + +sample_events +max_retry=10 +while [ `grep kmem_cache_free trace| wc -l` -eq 0 ]; do +sample_events +max_retry=$((max_retry - 1)) +if [ $max_retry -eq 0 ]; then + exit_fail +fi +done + +hitcnt=`grep kmem_cache_free trace| grep $target_func | wc -l` +misscnt=`grep kmem_cache_free trace| grep -v $target_func | wc -l` + +if [ $hitcnt -eq 0 ]; then + exit_fail +fi + +if [ $misscnt -gt 0 ]; then + exit_fail +fi + +address=`grep " ${target_func}\$" /proc/kallsyms | cut -d' ' -f1` + +echo "Test event filter function address" +echo "call_site.function == 0x$address" > events/kmem/kmem_cache_free/filter +echo > trace +sample_events +max_retry=10 +while [ `grep kmem_cache_free trace| wc -l` -eq 0 ]; do +sample_events +max_retry=$((max_retry - 1)) +if [ $max_retry -eq 0 ]; then + exit_fail +fi +done + +hitcnt=`grep kmem_cache_free trace| grep $target_func | wc -l` +misscnt=`grep kmem_cache_free trace| grep -v $target_func | wc -l` + +if [ $hitcnt -eq 0 ]; then + exit_fail +fi + +if [ $misscnt -gt 0 ]; then + exit_fail +fi + +reset_events_filter + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter-stack.tc b/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter-stack.tc index f59853857ad2..cf3ea42b12b0 100644 --- a/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter-stack.tc +++ b/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter-stack.tc @@ -1,17 +1,11 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: ftrace - function graph filters with stack tracer +# requires: stack_trace set_ftrace_filter function_graph:tracer # Make sure that function graph filtering works, and is not # affected by other tracers enabled (like stack tracer) -if ! grep -q function_graph available_tracers; then - echo "no function graph tracer configured" - exit_unsupported -fi - -check_filter_file set_ftrace_filter - do_reset() { if [ -e /proc/sys/kernel/stack_tracer_enabled ]; then echo 0 > /proc/sys/kernel/stack_tracer_enabled @@ -37,12 +31,6 @@ fi echo function_graph > current_tracer -if [ ! -f stack_trace ]; then - echo "Stack tracer not configured" - do_reset - exit_unsupported; -fi - echo "Now testing with stack tracer" echo 1 > /proc/sys/kernel/stack_tracer_enabled diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter.tc b/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter.tc index d610f47edd90..b3ccdaec2a61 100644 --- a/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter.tc +++ b/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter.tc @@ -1,16 +1,10 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: ftrace - function graph filters +# requires: set_ftrace_filter function_graph:tracer # Make sure that function graph filtering works -if ! grep -q function_graph available_tracers; then - echo "no function graph tracer configured" - exit_unsupported -fi - -check_filter_file set_ftrace_filter - fail() { # msg echo $1 exit_fail diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-retval.tc b/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-retval.tc new file mode 100644 index 000000000000..e34c0bdef3ed --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-retval.tc @@ -0,0 +1,44 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: ftrace - function graph print function return value +# requires: options/funcgraph-retval options/funcgraph-retval-hex function_graph:tracer + +# Make sure that funcgraph-retval works + +fail() { # msg + echo $1 + exit_fail +} + +disable_tracing +clear_trace + +# get self PID, can not use $$, because it is PPID +read PID _ < /proc/self/stat + +[ -f set_ftrace_filter ] && echo proc_reg_write > set_ftrace_filter +[ -f set_ftrace_pid ] && echo ${PID} > set_ftrace_pid +echo function_graph > current_tracer +echo 1 > options/funcgraph-retval + +set +e +enable_tracing +echo > /proc/interrupts +disable_tracing +set -e + +: "Test printing the error code in signed decimal format" +echo 0 > options/funcgraph-retval-hex +count=`cat trace | grep 'proc_reg_write' | grep '= -5' | wc -l` +if [ $count -eq 0 ]; then + fail "Return value can not be printed in signed decimal format" +fi + +: "Test printing the error code in hexadecimal format" +echo 1 > options/funcgraph-retval-hex +count=`cat trace | grep 'proc_reg_write' | grep 'fffffffb' | wc -l` +if [ $count -eq 0 ]; then + fail "Return value can not be printed in hexadecimal format" +fi + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc index 28936f434ee5..4b994b6df5ac 100644 --- a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc @@ -1,16 +1,10 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: ftrace - function glob filters +# requires: set_ftrace_filter function:tracer # Make sure that function glob matching filter works. -if ! grep -q function available_tracers; then - echo "no function tracer configured" - exit_unsupported -fi - -check_filter_file set_ftrace_filter - disable_tracing clear_trace diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-notrace-pid.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-notrace-pid.tc index 71db68a7975f..80541964b927 100644 --- a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-notrace-pid.tc +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-notrace-pid.tc @@ -1,22 +1,11 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: ftrace - function pid notrace filters +# requires: set_ftrace_notrace_pid set_ftrace_filter function:tracer # flags: instance # Make sure that function pid matching filter with notrace works. -if ! grep -q function available_tracers; then - echo "no function tracer configured" - exit_unsupported -fi - -if [ ! -f set_ftrace_notrace_pid ]; then - echo "set_ftrace_notrace_pid not found? Is function tracer not set?" - exit_unsupported -fi - -check_filter_file set_ftrace_filter - do_function_fork=1 if [ ! -f options/function-fork ]; then @@ -50,7 +39,7 @@ do_test() { disable_tracing echo do_execve* > set_ftrace_filter - echo *do_fork >> set_ftrace_filter + echo $FUNCTION_FORK >> set_ftrace_filter echo $PID > set_ftrace_notrace_pid echo function > current_tracer diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc index d58403c4b7cd..2f7211254529 100644 --- a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc @@ -1,23 +1,12 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: ftrace - function pid filters +# requires: set_ftrace_pid set_ftrace_filter function:tracer # flags: instance # Make sure that function pid matching filter works. # Also test it on an instance directory -if ! grep -q function available_tracers; then - echo "no function tracer configured" - exit_unsupported -fi - -if [ ! -f set_ftrace_pid ]; then - echo "set_ftrace_pid not found? Is function tracer not set?" - exit_unsupported -fi - -check_filter_file set_ftrace_filter - do_function_fork=1 if [ ! -f options/function-fork ]; then @@ -50,7 +39,7 @@ do_test() { disable_tracing echo do_execve* > set_ftrace_filter - echo *do_fork >> set_ftrace_filter + echo $FUNCTION_FORK >> set_ftrace_filter echo $PID > set_ftrace_pid echo function > current_tracer diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc index b2aff786c1a2..191d116b7883 100644 --- a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc @@ -1,13 +1,12 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: ftrace - stacktrace filter command +# requires: set_ftrace_filter # flags: instance -check_filter_file set_ftrace_filter +echo $FUNCTION_FORK:stacktrace >> set_ftrace_filter -echo _do_fork:stacktrace >> set_ftrace_filter - -grep -q "_do_fork:stacktrace:unlimited" set_ftrace_filter +grep -q "$FUNCTION_FORK:stacktrace:unlimited" set_ftrace_filter (echo "forked"; sleep 1) diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_cpumask.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_cpumask.tc index 71fa3f49e35e..0c6cf7725110 100644 --- a/tools/testing/selftests/ftrace/test.d/ftrace/func_cpumask.tc +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_cpumask.tc @@ -1,6 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: ftrace - function trace with cpumask +# requires: function:tracer if ! which nproc ; then nproc() { @@ -15,11 +16,6 @@ if [ $NP -eq 1 ] ;then exit_unresolved fi -if ! grep -q "function" available_tracers ; then - echo "Function trace is not enabled" - exit_unsupported -fi - ORIG_CPUMASK=`cat tracing_cpumask` do_reset() { diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc index e9b1fd534e96..2ad7d4b501cc 100644 --- a/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc @@ -3,15 +3,14 @@ # description: ftrace - test for function event triggers # flags: instance # +# The triggers are set within the set_ftrace_filter file +# requires: set_ftrace_filter +# # Ftrace allows to add triggers to functions, such as enabling or disabling # tracing, enabling or disabling trace events, or recording a stack trace # within the ring buffer. # # This test is designed to test event triggers -# - -# The triggers are set within the set_ftrace_filter file -check_filter_file set_ftrace_filter do_reset() { reset_ftrace_filter @@ -39,11 +38,18 @@ cnt_trace() { test_event_enabled() { val=$1 + check_times=10 # wait for 10 * SLEEP_TIME at most - e=`cat $EVENT_ENABLE` - if [ "$e" != $val ]; then - fail "Expected $val but found $e" - fi + while [ $check_times -ne 0 ]; do + e=`cat $EVENT_ENABLE` + if [ "$e" = $val ]; then + return 0 + fi + sleep $SLEEP_TIME + check_times=$((check_times - 1)) + done + + fail "Expected $val but found $e" } run_enable_disable() { @@ -86,7 +92,7 @@ run_enable_disable() { echo $check_disable > $EVENT_ENABLE done sleep $SLEEP_TIME - echo " make sure it's still works" + echo " make sure it still works" test_event_enabled $check_enable_star reset_ftrace_filter diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_hotplug.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_hotplug.tc new file mode 100644 index 000000000000..ccfbfde3d942 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_hotplug.tc @@ -0,0 +1,42 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0-or-later +# description: ftrace - function trace across cpu hotplug +# requires: function:tracer + +if ! which nproc ; then + nproc() { + ls -d /sys/devices/system/cpu/cpu[0-9]* | wc -l + } +fi + +NP=`nproc` + +if [ $NP -eq 1 ] ;then + echo "We cannot test cpu hotplug in UP environment" + exit_unresolved +fi + +# Find online cpu +for i in /sys/devices/system/cpu/cpu[1-9]*; do + if [ -f $i/online ] && [ "$(cat $i/online)" = "1" ]; then + cpu=$i + break + fi +done + +if [ -z "$cpu" ]; then + echo "We cannot test cpu hotplug with a single cpu online" + exit_unresolved +fi + +echo 0 > tracing_on +echo > trace + +: "Set $(basename $cpu) offline/online with function tracer enabled" +echo function > current_tracer +echo 1 > tracing_on +(echo 0 > $cpu/online) +(echo "forked"; sleep 1) +(echo 1 > $cpu/online) +echo 0 > tracing_on +echo nop > current_tracer diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_mod_trace.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_mod_trace.tc index 1a4b4a442d33..37c8feb9078b 100644 --- a/tools/testing/selftests/ftrace/test.d/ftrace/func_mod_trace.tc +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_mod_trace.tc @@ -1,8 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: ftrace - function trace on module - -check_filter_file set_ftrace_filter +# requires: set_ftrace_filter : "mod: allows to filter a non exist function" echo 'non_exist_func:mod:non_exist_module' > set_ftrace_filter diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_profile_stat.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_profile_stat.tc index 0d501058aa75..4daeffb02fd8 100644 --- a/tools/testing/selftests/ftrace/test.d/ftrace/func_profile_stat.tc +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_profile_stat.tc @@ -1,8 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: ftrace - function profiling - -[ ! -f function_profile_enabled ] && exit_unsupported +# requires: function_profile_enabled : "Enable function profile" echo 1 > function_profile_enabled diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_profiler.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_profiler.tc index a3dadb6b93b4..1dbd766c0cd2 100644 --- a/tools/testing/selftests/ftrace/test.d/ftrace/func_profiler.tc +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_profiler.tc @@ -1,6 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: ftrace - function profiler with function tracing +# requires: function_profile_enabled set_ftrace_filter function_graph:tracer # There was a bug after a rewrite of the ftrace infrastructure that # caused the function_profiler not to be able to run with the function @@ -13,17 +14,6 @@ # This test triggers those bugs on those kernels. # # We need function_graph and profiling to to run this test -if ! grep -q function_graph available_tracers; then - echo "no function graph tracer configured" - exit_unsupported; -fi - -check_filter_file set_ftrace_filter - -if [ ! -f function_profile_enabled ]; then - echo "function_profile_enabled not found, function profiling enabled?" - exit_unsupported -fi fail() { # mesg echo $1 diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_set_ftrace_file.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_set_ftrace_file.tc index 70bad441fa7d..073a748b9380 100644 --- a/tools/testing/selftests/ftrace/test.d/ftrace/func_set_ftrace_file.tc +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_set_ftrace_file.tc @@ -2,6 +2,9 @@ # SPDX-License-Identifier: GPL-2.0 # description: ftrace - test reading of set_ftrace_filter # +# The triggers are set within the set_ftrace_filter file +# requires: set_ftrace_filter +# # The set_ftrace_filter file of ftrace is used to list functions as well as # triggers (probes) attached to functions. The code to read this file is not # straight forward and has had various bugs in the past. This test is designed @@ -9,9 +12,6 @@ # file in various ways (cat vs dd). # -# The triggers are set within the set_ftrace_filter file -check_filter_file set_ftrace_filter - fail() { # mesg echo $1 exit_fail @@ -19,7 +19,7 @@ fail() { # mesg FILTER=set_ftrace_filter FUNC1="schedule" -FUNC2="do_softirq" +FUNC2="sched_tick" ALL_FUNCS="#### all functions enabled ####" diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_stack_tracer.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_stack_tracer.tc index 51e9e80bc0e6..61264e422699 100644 --- a/tools/testing/selftests/ftrace/test.d/ftrace/func_stack_tracer.tc +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_stack_tracer.tc @@ -1,15 +1,9 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: ftrace - Max stack tracer +# requires: stack_trace stack_trace_filter # Test the basic function of max-stack usage tracing -if [ ! -f stack_trace ]; then - echo "Max stack tracer is not supported - please make CONFIG_STACK_TRACER=y" - exit_unsupported -fi - -check_filter_file stack_trace_filter - echo > stack_trace_filter echo 0 > stack_max_size echo 1 > /proc/sys/kernel/stack_tracer_enabled diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc index 3ed173f2944a..aee22289536b 100644 --- a/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc @@ -3,6 +3,9 @@ # description: ftrace - test for function traceon/off triggers # flags: instance # +# The triggers are set within the set_ftrace_filter file +# requires: set_ftrace_filter +# # Ftrace allows to add triggers to functions, such as enabling or disabling # tracing, enabling or disabling trace events, or recording a stack trace # within the ring buffer. @@ -10,9 +13,6 @@ # This test is designed to test enabling and disabling tracing triggers # -# The triggers are set within the set_ftrace_filter file -check_filter_file set_ftrace_filter - fail() { # mesg echo $1 exit_fail diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc b/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc index 021c03fd885d..6c190620db47 100644 --- a/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc +++ b/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc @@ -1,19 +1,15 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: ftrace - test tracing error log support +# event tracing is currently the only ftrace tracer that uses the +# tracing error_log, hence this check +# requires: set_event error_log fail() { #msg echo $1 exit_fail } -# event tracing is currently the only ftrace tracer that uses the -# tracing error_log, hence this check -if [ ! -f set_event ]; then - echo "event tracing is not supported" - exit_unsupported -fi - ftrace_errlog_check 'event filter parse error' '((sig >= 10 && sig < 15) || dsig ^== 17) && comm != bash' 'events/signal/signal_generate/filter' exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/functions b/tools/testing/selftests/ftrace/test.d/functions index 61a3c7e2634d..779f3e62ec90 100644 --- a/tools/testing/selftests/ftrace/test.d/functions +++ b/tools/testing/selftests/ftrace/test.d/functions @@ -1,10 +1,3 @@ -check_filter_file() { # check filter file introduced by dynamic ftrace - if [ ! -f "$1" ]; then - echo "$1 not found? Is dynamic ftrace not set?" - exit_unsupported - fi -} - clear_trace() { # reset trace output echo > trace } @@ -90,6 +83,27 @@ clear_synthetic_events() { # reset all current synthetic events done } +clear_dynamic_events() { # reset all current dynamic events + again=1 + stop=1 + # loop mulitple times as some events require other to be removed first + while [ $again -eq 1 ]; do + stop=$((stop+1)) + # Prevent infinite loops + if [ $stop -gt 10 ]; then + break; + fi + again=2 + grep -v '^#' dynamic_events| + while read line; do + del=`echo $line | sed -e 's/^.\([^ ]*\).*/-\1/'` + if ! echo "$del" >> dynamic_events; then + again=1 + fi + done + done +} + initialize_ftrace() { # Reset ftrace to initial-state # As the initial state, ftrace will be set to nop tracer, # no events, no triggers, no filters, no function filters, @@ -100,6 +114,7 @@ initialize_ftrace() { # Reset ftrace to initial-state reset_events_filter reset_ftrace_filter disable_events + clear_dynamic_events [ -f set_event_pid ] && echo > set_event_pid [ -f set_ftrace_pid ] && echo > set_ftrace_pid [ -f set_ftrace_notrace ] && echo > set_ftrace_notrace @@ -109,22 +124,70 @@ initialize_ftrace() { # Reset ftrace to initial-state [ -f uprobe_events ] && echo > uprobe_events [ -f synthetic_events ] && echo > synthetic_events [ -f snapshot ] && echo 0 > snapshot + +# Stop tracing while reading the trace file by default, to prevent +# the test results while checking it and to avoid taking a long time +# to check the result. + [ -f options/pause-on-trace ] && echo 1 > options/pause-on-trace + clear_trace enable_tracing } +finish_ftrace() { + initialize_ftrace +# And recover it to default. + [ -f options/pause-on-trace ] && echo 0 > options/pause-on-trace +} + +check_requires() { # Check required files and tracers + for i in "$@" ; do + p=${i%:program} + r=${i%:README} + t=${i%:tracer} + if [ $p != $i ]; then + if ! which $p ; then + echo "Required program $p is not found." + exit_unresolved + fi + elif [ $t != $i ]; then + if ! grep -wq $t available_tracers ; then + echo "Required tracer $t is not configured." + exit_unsupported + fi + elif [ "$r" != "$i" ]; then + if ! grep -Fq "$r" README ; then + echo "Required feature pattern \"$r\" is not in README." + exit_unsupported + fi + elif [ ! -e $i ]; then + echo "Required feature interface $i doesn't exist." + exit_unsupported + fi + done +} + LOCALHOST=127.0.0.1 yield() { ping $LOCALHOST -c 1 || sleep .001 || usleep 1 || sleep 1 } +# The fork function in the kernel was renamed from "_do_fork" to +# "kernel_fork". As older tests should still work with older kernels +# as well as newer kernels, check which version of fork is used on this +# kernel so that the tests can use the fork function for the running kernel. +FUNCTION_FORK=`(if grep '\bkernel_clone\b' /proc/kallsyms > /dev/null; then + echo kernel_clone; else echo '_do_fork'; fi)` + +# Since probe event command may include backslash, explicitly use printf "%s" +# to NOT interpret it. ftrace_errlog_check() { # err-prefix command-with-error-pos-by-^ command-file - pos=$(echo -n "${2%^*}" | wc -c) # error position - command=$(echo "$2" | tr -d ^) + pos=$(printf "%s" "${2%^*}" | wc -c) # error position + command=$(printf "%s" "$2" | tr -d ^) echo "Test command: $command" echo > error_log - (! echo "$command" >> "$3" ) 2> /dev/null + (! printf "%s" "$command" >> "$3" ) 2> /dev/null grep "$1: error:" -A 3 error_log N=$(tail -n 1 error_log | wc -c) # " Command: " and "^\n" => 13 diff --git a/tools/testing/selftests/ftrace/test.d/instances/instance-event.tc b/tools/testing/selftests/ftrace/test.d/instances/instance-event.tc index 4fa0f79144f4..42422e425107 100644 --- a/tools/testing/selftests/ftrace/test.d/instances/instance-event.tc +++ b/tools/testing/selftests/ftrace/test.d/instances/instance-event.tc @@ -1,11 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Test creation and deletion of trace instances while setting an event - -if [ ! -d instances ] ; then - echo "no instance directory with this kernel" - exit_unsupported; -fi +# requires: instances fail() { # mesg rmdir foo 2>/dev/null @@ -43,7 +39,7 @@ instance_read() { instance_set() { while :; do - echo 1 > foo/events/sched/sched_switch + echo 1 > foo/events/sched/sched_switch/enable done 2> /dev/null } diff --git a/tools/testing/selftests/ftrace/test.d/instances/instance.tc b/tools/testing/selftests/ftrace/test.d/instances/instance.tc index b84651283bf3..607521d2592b 100644 --- a/tools/testing/selftests/ftrace/test.d/instances/instance.tc +++ b/tools/testing/selftests/ftrace/test.d/instances/instance.tc @@ -1,11 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Test creation and deletion of trace instances - -if [ ! -d instances ] ; then - echo "no instance directory with this kernel" - exit_unsupported; -fi +# requires: instances fail() { # mesg rmdir x y z 2>/dev/null diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/add_and_remove.tc b/tools/testing/selftests/ftrace/test.d/kprobe/add_and_remove.tc index bb1eb5a7c64e..2428a3ed78c9 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/add_and_remove.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/add_and_remove.tc @@ -1,10 +1,9 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Kprobe dynamic event - adding and removing +# requires: kprobe_events -[ -f kprobe_events ] || exit_unsupported # this is configurable - -echo p:myevent _do_fork > kprobe_events +echo p:myevent $FUNCTION_FORK > kprobe_events grep myevent kprobe_events test -d events/kprobes/myevent echo > kprobe_events diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc b/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc index 442c1a8c5edf..010a8b1d6c1d 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc @@ -1,10 +1,9 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Kprobe dynamic event - busy event check +# requires: kprobe_events -[ -f kprobe_events ] || exit_unsupported - -echo p:myevent _do_fork > kprobe_events +echo p:myevent $FUNCTION_FORK > kprobe_events test -d events/kprobes/myevent echo 1 > events/kprobes/myevent/enable echo > kprobe_events && exit_fail # this must fail diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc index bcdecf80a8f1..a96a1dc7014f 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc @@ -1,16 +1,15 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Kprobe dynamic event with arguments +# requires: kprobe_events -[ -f kprobe_events ] || exit_unsupported # this is configurable - -echo 'p:testprobe _do_fork $stack $stack0 +0($stack)' > kprobe_events +echo "p:testprobe $FUNCTION_FORK \$stack \$stack0 +0(\$stack)" > kprobe_events grep testprobe kprobe_events | grep -q 'arg1=\$stack arg2=\$stack0 arg3=+0(\$stack)' test -d events/kprobes/testprobe echo 1 > events/kprobes/testprobe/enable ( echo "forked") -grep testprobe trace | grep '_do_fork' | \ +grep testprobe trace | grep "$FUNCTION_FORK" | \ grep -q 'arg1=0x[[:xdigit:]]* arg2=0x[[:xdigit:]]* arg3=0x[[:xdigit:]]*$' echo 0 > events/kprobes/testprobe/enable diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_char.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_char.tc new file mode 100644 index 000000000000..e21c9c27ece4 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_char.tc @@ -0,0 +1,60 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Kprobe event char type argument +# requires: kprobe_events + +case `uname -m` in +x86_64) + ARG1=%di +;; +i[3456]86) + ARG1=%ax +;; +aarch64) + ARG1=%x0 +;; +arm*) + ARG1=%r0 +;; +ppc64*) + ARG1=%r3 +;; +ppc*) + ARG1=%r3 +;; +s390*) + ARG1=%r2 +;; +mips*) + ARG1=%r4 +;; +loongarch*) + ARG1=%r4 +;; +riscv*) + ARG1=%a0 +;; +*) + echo "Please implement other architecture here" + exit_untested +esac + +: "Test get argument (1)" +if grep -q eventfs_create_dir available_filter_functions; then + DIR_NAME="eventfs_create_dir" +elif grep -q eventfs_add_dir available_filter_functions; then + DIR_NAME="eventfs_add_dir" +else + DIR_NAME="tracefs_create_dir" +fi +echo "p:testprobe ${DIR_NAME} arg1=+0(${ARG1}):char" > kprobe_events +echo 1 > events/kprobes/testprobe/enable +echo "p:test $FUNCTION_FORK" >> kprobe_events +grep -qe "testprobe.* arg1='t'" trace + +echo 0 > events/kprobes/testprobe/enable +: "Test get argument (2)" +echo "p:testprobe ${DIR_NAME} arg1=+0(${ARG1}):char arg2=+0(${ARG1}):char[4]" > kprobe_events +echo 1 > events/kprobes/testprobe/enable +echo "p:test $FUNCTION_FORK" >> kprobe_events +grep -qe "testprobe.* arg1='t' arg2={'t','e','s','t'}" trace diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_comm.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_comm.tc index 15c1f70fcaf9..a053ee2e7d77 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_comm.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_comm.tc @@ -1,12 +1,11 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Kprobe event with comm arguments - -[ -f kprobe_events ] || exit_unsupported # this is configurable +# requires: kprobe_events grep -A1 "fetcharg:" README | grep -q "\$comm" || exit_unsupported # this is too old -echo 'p:testprobe _do_fork comm=$comm ' > kprobe_events +echo "p:testprobe $FUNCTION_FORK comm=\$comm " > kprobe_events grep testprobe kprobe_events | grep -q 'comm=$comm' test -d events/kprobes/testprobe diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_string.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_string.tc index 46e7744f8358..93217d459556 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_string.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_string.tc @@ -1,8 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Kprobe event string type argument - -[ -f kprobe_events ] || exit_unsupported # this is configurable +# requires: kprobe_events case `uname -m` in x86_64) @@ -23,21 +22,40 @@ ppc64*) ppc*) ARG1=%r3 ;; +s390*) + ARG1=%r2 +;; +mips*) + ARG1=%r4 +;; +loongarch*) + ARG1=%r4 +;; +riscv*) + ARG1=%a0 +;; *) echo "Please implement other architecture here" exit_untested esac : "Test get argument (1)" -echo "p:testprobe tracefs_create_dir arg1=+0(${ARG1}):string" > kprobe_events +if grep -q eventfs_create_dir available_filter_functions; then + DIR_NAME="eventfs_create_dir" +elif grep -q eventfs_add_dir available_filter_functions; then + DIR_NAME="eventfs_add_dir" +else + DIR_NAME="tracefs_create_dir" +fi +echo "p:testprobe ${DIR_NAME} arg1=+0(${ARG1}):string" > kprobe_events echo 1 > events/kprobes/testprobe/enable -echo "p:test _do_fork" >> kprobe_events +echo "p:test $FUNCTION_FORK" >> kprobe_events grep -qe "testprobe.* arg1=\"test\"" trace echo 0 > events/kprobes/testprobe/enable : "Test get argument (2)" -echo "p:testprobe tracefs_create_dir arg1=+0(${ARG1}):string arg2=+0(${ARG1}):string" > kprobe_events +echo "p:testprobe ${DIR_NAME} arg1=+0(${ARG1}):string arg2=+0(${ARG1}):string" > kprobe_events echo 1 > events/kprobes/testprobe/enable -echo "p:test _do_fork" >> kprobe_events +echo "p:test $FUNCTION_FORK" >> kprobe_events grep -qe "testprobe.* arg1=\"test\" arg2=\"test\"" trace diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_symbol.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_symbol.tc index 2b6dd33f9076..717130ed4feb 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_symbol.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_symbol.tc @@ -1,8 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Kprobe event symbol argument - -[ -f kprobe_events ] || exit_unsupported # this is configurable +# requires: kprobe_events SYMBOL="linux_proc_banner" @@ -15,12 +14,12 @@ elif ! grep "$SYMBOL\$" /proc/kallsyms; then fi : "Test get basic types symbol argument" -echo "p:testprobe_u _do_fork arg1=@linux_proc_banner:u64 arg2=@linux_proc_banner:u32 arg3=@linux_proc_banner:u16 arg4=@linux_proc_banner:u8" > kprobe_events -echo "p:testprobe_s _do_fork arg1=@linux_proc_banner:s64 arg2=@linux_proc_banner:s32 arg3=@linux_proc_banner:s16 arg4=@linux_proc_banner:s8" >> kprobe_events +echo "p:testprobe_u $FUNCTION_FORK arg1=@linux_proc_banner:u64 arg2=@linux_proc_banner:u32 arg3=@linux_proc_banner:u16 arg4=@linux_proc_banner:u8" > kprobe_events +echo "p:testprobe_s $FUNCTION_FORK arg1=@linux_proc_banner:s64 arg2=@linux_proc_banner:s32 arg3=@linux_proc_banner:s16 arg4=@linux_proc_banner:s8" >> kprobe_events if grep -q "x8/16/32/64" README; then - echo "p:testprobe_x _do_fork arg1=@linux_proc_banner:x64 arg2=@linux_proc_banner:x32 arg3=@linux_proc_banner:x16 arg4=@linux_proc_banner:x8" >> kprobe_events + echo "p:testprobe_x $FUNCTION_FORK arg1=@linux_proc_banner:x64 arg2=@linux_proc_banner:x32 arg3=@linux_proc_banner:x16 arg4=@linux_proc_banner:x8" >> kprobe_events fi -echo "p:testprobe_bf _do_fork arg1=@linux_proc_banner:b8@4/32" >> kprobe_events +echo "p:testprobe_bf $FUNCTION_FORK arg1=@linux_proc_banner:b8@4/32" >> kprobe_events echo 1 > events/kprobes/enable (echo "forked") echo 0 > events/kprobes/enable @@ -28,7 +27,7 @@ grep "testprobe_[usx]:.* arg1=.* arg2=.* arg3=.* arg4=.*" trace grep "testprobe_bf:.* arg1=.*" trace : "Test get string symbol argument" -echo "p:testprobe_str _do_fork arg1=@linux_proc_banner:string" > kprobe_events +echo "p:testprobe_str $FUNCTION_FORK arg1=@linux_proc_banner:string" > kprobe_events echo 1 > events/kprobes/enable (echo "forked") echo 0 > events/kprobes/enable diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_syntax.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_syntax.tc index 6f0f19953193..8f1292ad80ff 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_syntax.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_syntax.tc @@ -1,10 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Kprobe event argument syntax - -[ -f kprobe_events ] || exit_unsupported # this is configurable - -grep "x8/16/32/64" README > /dev/null || exit_unsupported # version issue +# requires: kprobe_events "x8/16/32/64":README PROBEFUNC="vfs_read" GOODREG= @@ -35,6 +32,22 @@ ppc*) GOODREG=%r3 BADREG=%msr ;; +s390*) + GOODREG=%r2 + BADREG=%s2 +;; +mips*) + GOODREG=%r4 + BADREG=%r12 +;; +loongarch*) + GOODREG=%r4 + BADREG=%r12 +;; +riscv*) + GOODREG=%a0 + BADREG=%a8 +;; *) echo "Please implement other architecture here" exit_untested diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc index 81490ecaaa92..25b7708eb559 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc @@ -1,13 +1,10 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Kprobes event arguments with types - -[ -f kprobe_events ] || exit_unsupported # this is configurable - -grep "x8/16/32/64" README > /dev/null || exit_unsupported # version issue +# requires: kprobe_events "x8/16/32/64":README gen_event() { # Bitsize - echo "p:testprobe _do_fork \$stack0:s$1 \$stack0:u$1 \$stack0:x$1 \$stack0:b4@4/$1" + echo "p:testprobe $FUNCTION_FORK \$stack0:s$1 \$stack0:u$1 \$stack0:x$1 \$stack0:b4@4/$1" } check_types() { # s-type u-type x-type bf-type width diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_user.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_user.tc index 0f60087583d8..d25d01a19778 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_user.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_user.tc @@ -1,22 +1,24 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Kprobe event user-memory access +# requires: kprobe_events '$arg<N>':README -[ -f kprobe_events ] || exit_unsupported # this is configurable - -grep -q '\$arg<N>' README || exit_unresolved # depends on arch grep -A10 "fetcharg:" README | grep -q 'ustring' || exit_unsupported grep -A10 "fetcharg:" README | grep -q '\[u\]<offset>' || exit_unsupported :;: "user-memory access syntax and ustring working on user memory";: echo 'p:myevent do_sys_open path=+0($arg2):ustring path2=+u0($arg2):string' \ > kprobe_events +echo 'p:myevent2 do_sys_openat2 path=+0($arg2):ustring path2=+u0($arg2):string' \ + >> kprobe_events grep myevent kprobe_events | \ grep -q 'path=+0($arg2):ustring path2=+u0($arg2):string' echo 1 > events/kprobes/myevent/enable +echo 1 > events/kprobes/myevent2/enable echo > /dev/null echo 0 > events/kprobes/myevent/enable +echo 0 > events/kprobes/myevent2/enable grep myevent trace | grep -q 'path="/dev/null" path2="/dev/null"' diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_vfs.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_vfs.tc new file mode 100644 index 000000000000..21a54be6894c --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_vfs.tc @@ -0,0 +1,40 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Kprobe event VFS type argument +# requires: kprobe_events "%pd/%pD":README + +: "Test argument %pd with name" +echo 'p:testprobe dput name=$arg1:%pd' > kprobe_events +echo 1 > events/kprobes/testprobe/enable +grep -q "1" events/kprobes/testprobe/enable +echo 0 > events/kprobes/testprobe/enable +grep "dput" trace | grep -q "enable" +echo "" > kprobe_events +echo "" > trace + +: "Test argument %pd without name" +echo 'p:testprobe dput $arg1:%pd' > kprobe_events +echo 1 > events/kprobes/testprobe/enable +grep -q "1" events/kprobes/testprobe/enable +echo 0 > events/kprobes/testprobe/enable +grep "dput" trace | grep -q "enable" +echo "" > kprobe_events +echo "" > trace + +: "Test argument %pD with name" +echo 'p:testprobe vfs_read name=$arg1:%pD' > kprobe_events +echo 1 > events/kprobes/testprobe/enable +grep -q "1" events/kprobes/testprobe/enable +echo 0 > events/kprobes/testprobe/enable +grep "vfs_read" trace | grep -q "enable" +echo "" > kprobe_events +echo "" > trace + +: "Test argument %pD without name" +echo 'p:testprobe vfs_read $arg1:%pD' > kprobe_events +echo 1 > events/kprobes/testprobe/enable +grep -q "1" events/kprobes/testprobe/enable +echo 0 > events/kprobes/testprobe/enable +grep "vfs_read" trace | grep -q "enable" +echo "" > kprobe_events +echo "" > trace diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_eventname.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_eventname.tc index 3ff236719b6e..ba19b81cef39 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_eventname.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_eventname.tc @@ -1,8 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Kprobe event auto/manual naming - -[ -f kprobe_events ] || exit_unsupported # this is configurable +# requires: kprobe_events :;: "Add an event on function without name" ;: @@ -31,7 +30,8 @@ find_dot_func() { fi grep " [tT] .*\.isra\..*" /proc/kallsyms | cut -f 3 -d " " | while read f; do - if grep -s $f available_filter_functions; then + cnt=`grep -s $f available_filter_functions | wc -l`; + if [ $cnt -eq 1 ]; then echo $f break fi diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc index df5072815b87..5556292601a4 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc @@ -1,37 +1,33 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Kprobe dynamic event with function tracer - -[ -f kprobe_events ] || exit_unsupported # this is configurable -grep "function" available_tracers || exit_unsupported # this is configurable - -check_filter_file set_ftrace_filter +# requires: kprobe_events stack_trace_filter function:tracer # prepare echo nop > current_tracer -echo _do_fork > set_ftrace_filter -echo 'p:testprobe _do_fork' > kprobe_events +echo $FUNCTION_FORK > set_ftrace_filter +echo "p:testprobe $FUNCTION_FORK" > kprobe_events # kprobe on / ftrace off echo 1 > events/kprobes/testprobe/enable echo > trace ( echo "forked") grep testprobe trace -! grep '_do_fork <-' trace +! grep "$FUNCTION_FORK <-" trace # kprobe on / ftrace on echo function > current_tracer echo > trace ( echo "forked") grep testprobe trace -grep '_do_fork <-' trace +grep "$FUNCTION_FORK <-" trace # kprobe off / ftrace on echo 0 > events/kprobes/testprobe/enable echo > trace ( echo "forked") ! grep testprobe trace -grep '_do_fork <-' trace +grep "$FUNCTION_FORK <-" trace # kprobe on / ftrace on echo 1 > events/kprobes/testprobe/enable @@ -39,11 +35,11 @@ echo function > current_tracer echo > trace ( echo "forked") grep testprobe trace -grep '_do_fork <-' trace +grep "$FUNCTION_FORK <-" trace # kprobe on / ftrace off echo nop > current_tracer echo > trace ( echo "forked") grep testprobe trace -! grep '_do_fork <-' trace +! grep "$FUNCTION_FORK <-" trace diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_insn_boundary.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_insn_boundary.tc new file mode 100644 index 000000000000..4f7cc318f331 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_insn_boundary.tc @@ -0,0 +1,19 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0-or-later +# Copyright (C) 2023 Akanksha J N, IBM corporation +# description: Register multiple kprobe events in a function +# requires: kprobe_events + +for i in `seq 0 255`; do + echo p $FUNCTION_FORK+${i} >> kprobe_events || continue +done + +cat kprobe_events >> $testlog + +echo 1 > events/kprobes/enable +( echo "forked" ) +echo 0 > events/kprobes/enable +echo > kprobe_events +echo "Waiting for unoptimizing & freeing" +sleep 5 +echo "Done" diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_module.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_module.tc index d861bd776c5e..7e74ee11edf9 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_module.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_module.tc @@ -1,8 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Kprobe dynamic event - probing module - -[ -f kprobe_events ] || exit_unsupported # this is configurable +# requires: kprobe_events rmmod trace-printk ||: if ! modprobe trace-printk ; then diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_multiprobe.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_multiprobe.tc index 44494bac86d1..f0d5b7777ed7 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_multiprobe.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_multiprobe.tc @@ -1,13 +1,10 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Create/delete multiprobe on kprobe event - -[ -f kprobe_events ] || exit_unsupported - -grep -q "Create/append/" README || exit_unsupported +# requires: kprobe_events "Create/append/":README # Choose 2 symbols for target -SYM1=_do_fork +SYM1=$FUNCTION_FORK SYM2=do_exit EVENT_NAME=kprobes/testevent diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_non_uniq_symbol.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_non_uniq_symbol.tc new file mode 100644 index 000000000000..bc9514428dba --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_non_uniq_symbol.tc @@ -0,0 +1,13 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Test failure of registering kprobe on non unique symbol +# requires: kprobe_events + +SYMBOL='name_show' + +# We skip this test on kernel where SYMBOL is unique or does not exist. +if [ "$(grep -c -E "[[:alnum:]]+ t ${SYMBOL}" /proc/kallsyms)" -le '1' ]; then + exit_unsupported +fi + +! echo "p:test_non_unique ${SYMBOL}" > kprobe_events diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_opt_types.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_opt_types.tc new file mode 100644 index 000000000000..9f5d99328086 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_opt_types.tc @@ -0,0 +1,34 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0-or-later +# Copyright (C) 2023 Akanksha J N, IBM corporation +# description: Register/unregister optimized probe +# requires: kprobe_events + +case `uname -m` in +x86_64) +;; +arm*) +;; +ppc*) +;; +*) + echo "Please implement other architecture here" + exit_unsupported +esac + +DEFAULT=$(cat /proc/sys/debug/kprobes-optimization) +echo 1 > /proc/sys/debug/kprobes-optimization +for i in `seq 0 255`; do + echo "p:testprobe $FUNCTION_FORK+${i}" > kprobe_events || continue + echo 1 > events/kprobes/enable || continue + (echo "forked") + PROBE=$(grep $FUNCTION_FORK /sys/kernel/debug/kprobes/list) + echo 0 > events/kprobes/enable + echo > kprobe_events + if echo $PROBE | grep -q OPTIMIZED; then + echo "$DEFAULT" > /proc/sys/debug/kprobes-optimization + exit_pass + fi +done +echo "$DEFAULT" > /proc/sys/debug/kprobes-optimization +exit_unresolved diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc index ef1e9bafb098..a16c6a6f6055 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc @@ -1,17 +1,14 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Kprobe event parser error log check - -[ -f kprobe_events ] || exit_unsupported # this is configurable - -[ -f error_log ] || exit_unsupported +# requires: kprobe_events error_log check_error() { # command-with-error-pos-by-^ ftrace_errlog_check 'trace_kprobe' "$1" 'kprobe_events' } if grep -q 'r\[maxactive\]' README; then -check_error 'p^100 vfs_read' # MAXACT_NO_KPROBE +check_error 'p^100 vfs_read' # BAD_MAXACT_TYPE check_error 'r^1a111 vfs_read' # BAD_MAXACT check_error 'r^100000 vfs_read' # MAXACT_TOO_BIG fi @@ -24,7 +21,7 @@ check_error 'p:^/bar vfs_read' # NO_GROUP_NAME check_error 'p:^12345678901234567890123456789012345678901234567890123456789012345/bar vfs_read' # GROUP_TOO_LONG check_error 'p:^foo.1/bar vfs_read' # BAD_GROUP_NAME -check_error 'p:foo/^ vfs_read' # NO_EVENT_NAME +check_error 'p:^ vfs_read' # NO_EVENT_NAME check_error 'p:foo/^12345678901234567890123456789012345678901234567890123456789012345 vfs_read' # EVENT_TOO_LONG check_error 'p:foo/^bar.1 vfs_read' # BAD_EVENT_NAME @@ -89,13 +86,37 @@ esac # multiprobe errors if grep -q "Create/append/" README && grep -q "imm-value" README; then -echo 'p:kprobes/testevent _do_fork' > kprobe_events +echo "p:kprobes/testevent $FUNCTION_FORK" > kprobe_events check_error '^r:kprobes/testevent do_exit' # DIFF_PROBE_TYPE -echo 'p:kprobes/testevent _do_fork abcd=\1' > kprobe_events -check_error 'p:kprobes/testevent _do_fork ^bcd=\1' # DIFF_ARG_TYPE -check_error 'p:kprobes/testevent _do_fork ^abcd=\1:u8' # DIFF_ARG_TYPE -check_error 'p:kprobes/testevent _do_fork ^abcd=\"foo"' # DIFF_ARG_TYPE -check_error '^p:kprobes/testevent _do_fork abcd=\1' # SAME_PROBE + +# Explicitly use printf "%s" to not interpret \1 +printf "%s" "p:kprobes/testevent $FUNCTION_FORK abcd=\\1" > kprobe_events +check_error "p:kprobes/testevent $FUNCTION_FORK ^bcd=\\1" # DIFF_ARG_TYPE +check_error "p:kprobes/testevent $FUNCTION_FORK ^abcd=\\1:u8" # DIFF_ARG_TYPE +check_error "p:kprobes/testevent $FUNCTION_FORK ^abcd=\\\"foo\"" # DIFF_ARG_TYPE +check_error "^p:kprobes/testevent $FUNCTION_FORK abcd=\\1" # SAME_PROBE +fi + +# %return suffix errors +if grep -q "place (kretprobe): .*%return.*" README; then +check_error 'p vfs_read^%hoge' # BAD_ADDR_SUFFIX +check_error 'p ^vfs_read+10%return' # BAD_RETPROBE +fi + +# BTF arguments errors +if grep -q "<argname>" README; then +check_error 'p vfs_read args=^$arg*' # BAD_VAR_ARGS +check_error 'p vfs_read +0(^$arg*)' # BAD_VAR_ARGS +check_error 'p vfs_read $arg* ^$arg*' # DOUBLE_ARGS +if !grep -q 'kernel return probes support:' README; then +check_error 'r vfs_read ^$arg*' # NOFENTRY_ARGS +fi +check_error 'p vfs_read+8 ^$arg*' # NOFENTRY_ARGS +check_error 'p vfs_read ^hoge' # NO_BTFARG +check_error 'p kfree ^$arg10' # NO_BTFARG (exceed the number of parameters) +check_error 'r kfree ^$retval' # NO_RETVAL +else +check_error 'p vfs_read ^$arg*' # NOSUP_BTFARG fi exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_args.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_args.tc index ac9ab4a12e53..197cc2afd404 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_args.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_args.tc @@ -1,18 +1,17 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Kretprobe dynamic event with arguments - -[ -f kprobe_events ] || exit_unsupported # this is configurable +# requires: kprobe_events # Add new kretprobe event -echo 'r:testprobe2 _do_fork $retval' > kprobe_events +echo "r:testprobe2 $FUNCTION_FORK \$retval" > kprobe_events grep testprobe2 kprobe_events | grep -q 'arg1=\$retval' test -d events/kprobes/testprobe2 echo 1 > events/kprobes/testprobe2/enable ( echo "forked") -cat trace | grep testprobe2 | grep -q '<- _do_fork' +cat trace | grep testprobe2 | grep -q "<- $FUNCTION_FORK" echo 0 > events/kprobes/testprobe2/enable echo '-:testprobe2' >> kprobe_events diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_entry_arg.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_entry_arg.tc new file mode 100644 index 000000000000..e50470b53164 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_entry_arg.tc @@ -0,0 +1,18 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Kretprobe entry argument access +# requires: kprobe_events 'kernel return probes support:':README + +echo 'p:myevent1 vfs_open arg=$arg1' >> kprobe_events +echo 'r:myevent2 vfs_open arg=$arg1' >> kprobe_events + +echo 1 > events/kprobes/enable + +echo > trace +cat trace > /dev/null + +streq() { + test $1 = $2 +} + +streq `grep -A 1 -m 1 myevent1 trace | sed -r 's/^.*(arg=.*)/\1/' ` diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_maxactive.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_maxactive.tc index 8e05b178519a..4f0b268c1233 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_maxactive.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_maxactive.tc @@ -1,9 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Kretprobe dynamic event with maxactive - -[ -f kprobe_events ] || exit_unsupported # this is configurable -grep -q 'r\[maxactive\]' README || exit_unsupported # this is older version +# requires: kprobe_events 'r[maxactive]':README # Test if we successfully reject unknown messages if echo 'a:myprobeaccept inet_csk_accept' > kprobe_events; then false; else true; fi diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_return_suffix.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_return_suffix.tc new file mode 100644 index 000000000000..f07bd15cc033 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_return_suffix.tc @@ -0,0 +1,21 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Kretprobe %%return suffix test +# requires: kprobe_events '<symbol>[+<offset>]%return':README + +# Test for kretprobe by "r" +echo 'r:myprobeaccept vfs_read' > kprobe_events +RESULT1=`cat kprobe_events` + +# Test for kretprobe by "%return" +echo 'p:myprobeaccept vfs_read%return' > kprobe_events +RESULT2=`cat kprobe_events` + +if [ "$RESULT1" != "$RESULT2" ]; then + echo "Error: %return suffix didn't make a return probe." + echo "r-command: $RESULT1" + echo "%return: $RESULT2" + exit_fail +fi + +echo > kprobe_events diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc b/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc index 6e3dbe5f96b7..be754f5bcf79 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/multiple_kprobes.tc @@ -1,8 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Register/unregister many kprobe events - -[ -f kprobe_events ] || exit_unsupported # this is configurable +# requires: kprobe_events # ftrace fentry skip size depends on the machine architecture. # Currently HAVE_KPROBES_ON_FTRACE defined on x86 and powerpc64le @@ -26,6 +25,8 @@ if [ $L -ne 256 ]; then exit_fail fi +cat kprobe_events >> $testlog + echo 1 > events/kprobes/enable echo 0 > events/kprobes/enable echo > kprobe_events diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/probepoint.tc b/tools/testing/selftests/ftrace/test.d/kprobe/probepoint.tc index a902aa0aaabc..68425987a5dd 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/probepoint.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/probepoint.tc @@ -1,8 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Kprobe events - probe points - -[ -f kprobe_events ] || exit_unsupported # this is configurable +# requires: kprobe_events TARGET_FUNC=tracefs_create_dir @@ -22,7 +21,7 @@ set_offs() { # prev target next # We have to decode symbol addresses to get correct offsets. # If the offset is not an instruction boundary, it cause -EILSEQ. -set_offs `grep -A1 -B1 ${TARGET_FUNC} /proc/kallsyms | cut -f 1 -d " " | xargs` +set_offs `grep -v __pfx_ /proc/kallsyms | grep -A1 -B1 ${TARGET_FUNC} | cut -f 1 -d " " | xargs` UINT_TEST=no # printf "%x" -1 returns (unsigned long)-1. diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/profile.tc b/tools/testing/selftests/ftrace/test.d/kprobe/profile.tc index 0384b525cdee..34fb89b0c61f 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/profile.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/profile.tc @@ -1,11 +1,10 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 -# description: Kprobe dynamic event - adding and removing - -[ -f kprobe_events ] || exit_unsupported # this is configurable +# description: Kprobe profile +# requires: kprobe_events ! grep -q 'myevent' kprobe_profile -echo p:myevent _do_fork > kprobe_events +echo "p:myevent $FUNCTION_FORK" > kprobe_events grep -q 'myevent[[:space:]]*0[[:space:]]*0$' kprobe_profile echo 1 > events/kprobes/myevent/enable ( echo "forked" ) diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/uprobe_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/kprobe/uprobe_syntax_errors.tc index 14229d5778a0..c817158b99db 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/uprobe_syntax_errors.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/uprobe_syntax_errors.tc @@ -1,10 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Uprobe event parser error log check - -[ -f uprobe_events ] || exit_unsupported # this is configurable - -[ -f error_log ] || exit_unsupported +# requires: uprobe_events error_log check_error() { # command-with-error-pos-by-^ ftrace_errlog_check 'trace_uprobe' "$1" 'uprobe_events' @@ -20,4 +17,15 @@ check_error 'p /bin/sh:10(10)^a' # BAD_REFCNT_SUFFIX check_error 'p /bin/sh:10 ^@+ab' # BAD_FILE_OFFS check_error 'p /bin/sh:10 ^@symbol' # SYM_ON_UPROBE +# %return suffix error +if grep -q "place (uprobe): .*%return.*" README; then +check_error 'p /bin/sh:10^%hoge' # BAD_ADDR_SUFFIX +check_error 'p /bin/sh:10(10)^%return' # BAD_REFCNT_SUFFIX +fi + +# symstr is not supported by uprobe +if grep -q ".*symstr.*" README; then +check_error 'p /bin/sh:10 $stack0:^symstr' # BAD_TYPE +fi + exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/preemptirq/irqsoff_tracer.tc b/tools/testing/selftests/ftrace/test.d/preemptirq/irqsoff_tracer.tc index 2b82c80edf69..ba1038953873 100644 --- a/tools/testing/selftests/ftrace/test.d/preemptirq/irqsoff_tracer.tc +++ b/tools/testing/selftests/ftrace/test.d/preemptirq/irqsoff_tracer.tc @@ -1,6 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: test for the preemptirqsoff tracer +# requires: preemptoff:tracer irqsoff:tracer MOD=preemptirq_delay_test @@ -27,9 +28,6 @@ unres() { #msg modprobe $MOD || unres "$MOD module not available" rmmod $MOD -grep -q "preemptoff" available_tracers || unsup "preemptoff tracer not enabled" -grep -q "irqsoff" available_tracers || unsup "irqsoff tracer not enabled" - reset_tracer # Simulate preemptoff section for half a second couple of times @@ -48,10 +46,10 @@ cat trace grep -q "tracer: preemptoff" trace || fail # Check the end of the section -egrep -q "5.....us : <stack trace>" trace || fail +grep -E -q "5.....us : <stack trace>" trace || fail # Check for 500ms of latency -egrep -q "latency: 5..... us" trace || fail +grep -E -q "latency: 5..... us" trace || fail reset_tracer @@ -71,10 +69,10 @@ cat trace grep -q "tracer: irqsoff" trace || fail # Check the end of the section -egrep -q "5.....us : <stack trace>" trace || fail +grep -E -q "5.....us : <stack trace>" trace || fail # Check for 500ms of latency -egrep -q "latency: 5..... us" trace || fail +grep -E -q "latency: 5..... us" trace || fail reset_tracer exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/template b/tools/testing/selftests/ftrace/test.d/template index e1a5d14c4eaf..2cd8947edf72 100644 --- a/tools/testing/selftests/ftrace/test.d/template +++ b/tools/testing/selftests/ftrace/test.d/template @@ -1,6 +1,10 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: %HERE DESCRIBE WHAT THIS DOES% +# requires: %HERE LIST THE REQUIRED FILES, TRACERS OR README-STRINGS% +# The required tracer needs :tracer suffix, e.g. function:tracer +# The required README string needs :README suffix, e.g. "x8/16/32/64":README +# and the README string is treated as a fixed-string instead of regexp pattern. # you have to add ".tc" extention for your testcase file # Note that all tests are run with "errexit" option. diff --git a/tools/testing/selftests/ftrace/test.d/tracer/wakeup.tc b/tools/testing/selftests/ftrace/test.d/tracer/wakeup.tc index b0893d7edda3..e8f0fac9a110 100644 --- a/tools/testing/selftests/ftrace/test.d/tracer/wakeup.tc +++ b/tools/testing/selftests/ftrace/test.d/tracer/wakeup.tc @@ -1,16 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Test wakeup tracer - -if ! which chrt ; then - echo "chrt is not found. This test requires nice command." - exit_unresolved -fi - -if ! grep -wq "wakeup" available_tracers ; then - echo "wakeup tracer is not supported" - exit_unsupported -fi +# requires: wakeup:tracer chrt:program echo wakeup > current_tracer echo 1 > tracing_on diff --git a/tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc b/tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc index b9b6669a623b..79807656785b 100644 --- a/tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc +++ b/tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc @@ -1,16 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Test wakeup RT tracer - -if ! which chrt ; then - echo "chrt is not found. This test requires chrt command." - exit_unresolved -fi - -if ! grep -wq "wakeup_rt" available_tracers ; then - echo "wakeup_rt tracer is not supported" - exit_unsupported -fi +# requires: wakeup_rt:tracer chrt:program echo wakeup_rt > current_tracer echo 1 > tracing_on diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-action-hist-xfail.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-action-hist-xfail.tc index 3f2aee115f6e..1590d6bfb857 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-action-hist-xfail.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-action-hist-xfail.tc @@ -1,24 +1,13 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event trigger - test inter-event histogram trigger expected fail actions +# requires: set_event snapshot "snapshot()":README fail() { #msg echo $1 exit_fail } -if [ ! -f set_event ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f snapshot ]; then - echo "snapshot is not supported" - exit_unsupported -fi - -grep -q "snapshot()" README || exit_unsupported # version issue - echo "Test expected snapshot action failure" echo 'hist:keys=comm:onmatch(sched.sched_wakeup).snapshot()' >> events/sched/sched_waking/trigger && exit_fail diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-field-variable-support.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-field-variable-support.tc index 77be6e1f6e7b..04c5dd7d0acc 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-field-variable-support.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-field-variable-support.tc @@ -1,22 +1,13 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event trigger - test field variable support +# requires: set_event synthetic_events events/sched/sched_process_fork/hist ping:program fail() { #msg echo $1 exit_fail } -if [ ! -f set_event ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f synthetic_events ]; then - echo "synthetic event is not supported" - exit_unsupported -fi - echo "Test field variable support" echo 'wakeup_latency u64 lat; pid_t pid; int prio; char comm[16]' > synthetic_events diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-inter-event-combined-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-inter-event-combined-hist.tc index f3eb8aacec0e..f7447d800899 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-inter-event-combined-hist.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-inter-event-combined-hist.tc @@ -1,22 +1,13 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event trigger - test inter-event combined histogram trigger +# requires: set_event synthetic_events events/sched/sched_process_fork/hist ping:program fail() { #msg echo $1 exit_fail } -if [ ! -f set_event ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f synthetic_events ]; then - echo "synthetic event is not supported" - exit_unsupported -fi - echo "Test create synthetic event" echo 'waking_latency u64 lat pid_t pid' > synthetic_events @@ -34,12 +25,12 @@ echo 'wakeup_latency u64 lat pid_t pid' >> synthetic_events echo 'hist:keys=pid:ts1=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_wakeup/trigger echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts1:onmatch(sched.sched_wakeup).wakeup_latency($wakeup_lat,next_pid) if next_comm=="ping"' > events/sched/sched_switch/trigger -echo 'waking+wakeup_latency u64 lat; pid_t pid' >> synthetic_events -echo 'hist:keys=pid,lat:sort=pid,lat:ww_lat=$waking_lat+$wakeup_lat:onmatch(synthetic.wakeup_latency).waking+wakeup_latency($ww_lat,pid)' >> events/synthetic/wakeup_latency/trigger -echo 'hist:keys=pid,lat:sort=pid,lat' >> events/synthetic/waking+wakeup_latency/trigger +echo 'waking_plus_wakeup_latency u64 lat; pid_t pid' >> synthetic_events +echo 'hist:keys=pid,lat:sort=pid,lat:ww_lat=$waking_lat+$wakeup_lat:onmatch(synthetic.wakeup_latency).waking_plus_wakeup_latency($ww_lat,pid)' >> events/synthetic/wakeup_latency/trigger +echo 'hist:keys=pid,lat:sort=pid,lat' >> events/synthetic/waking_plus_wakeup_latency/trigger ping $LOCALHOST -c 3 -if ! grep -q "pid:" events/synthetic/waking+wakeup_latency/hist; then +if ! grep -q "pid:" events/synthetic/waking_plus_wakeup_latency/hist; then fail "Failed to create combined histogram" fi diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-multi-actions-accept.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-multi-actions-accept.tc index d281f056f980..3ad6e3fd8ac9 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-multi-actions-accept.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-multi-actions-accept.tc @@ -1,22 +1,13 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event trigger - test multiple actions on hist trigger +# requires: set_event synthetic_events events/sched/sched_process_fork/hist fail() { #msg echo $1 exit_fail } -if [ ! -f set_event ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f synthetic_events ]; then - echo "synthetic event is not supported" - exit_unsupported -fi - echo "Test multiple actions on hist trigger" echo 'wakeup_latency u64 lat; pid_t pid' >> synthetic_events TRIGGER1=events/sched/sched_wakeup/trigger diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onchange-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onchange-action-hist.tc index c80007aa9f86..91339c130832 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onchange-action-hist.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onchange-action-hist.tc @@ -1,19 +1,13 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event trigger - test inter-event histogram trigger onchange action +# requires: set_event "onchange(var)":README ping:program fail() { #msg echo $1 exit_fail } -if [ ! -f set_event ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -grep -q "onchange(var)" README || exit_unsupported # version issue - echo "Test onchange action" echo 'hist:keys=comm:newprio=prio:onchange($newprio).save(comm,prio) if comm=="ping"' >> events/sched/sched_waking/trigger diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-action-hist.tc index a708f0e7858a..d645abcf11c4 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-action-hist.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-action-hist.tc @@ -1,22 +1,13 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event trigger - test inter-event histogram trigger onmatch action +# requires: set_event synthetic_events events/sched/sched_process_fork/hist ping:program fail() { #msg echo $1 exit_fail } -if [ ! -f set_event ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f synthetic_events ]; then - echo "synthetic event is not supported" - exit_unsupported -fi - echo "Test create synthetic event" echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-onmax-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-onmax-action-hist.tc index dfce6932d8be..c369247efb35 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-onmax-action-hist.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-onmax-action-hist.tc @@ -1,22 +1,13 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event trigger - test inter-event histogram trigger onmatch-onmax action +# requires: set_event synthetic_events events/sched/sched_process_fork/hist ping:program fail() { #msg echo $1 exit_fail } -if [ ! -f set_event ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f synthetic_events ]; then - echo "synthetic event is not supported" - exit_unsupported -fi - echo "Test create synthetic event" echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmax-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmax-action-hist.tc index 0035995c2194..e28dc5f11b2b 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmax-action-hist.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmax-action-hist.tc @@ -1,22 +1,13 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event trigger - test inter-event histogram trigger onmax action +# requires: set_event synthetic_events events/sched/sched_process_fork/hist ping:program fail() { #msg echo $1 exit_fail } -if [ ! -f set_event ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f synthetic_events ]; then - echo "synthetic event is not supported" - exit_unsupported -fi - echo "Test create synthetic event" echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc index f546c1b66a9b..147967e86584 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc @@ -1,26 +1,13 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event trigger - test inter-event histogram trigger snapshot action +# requires: set_event snapshot events/sched/sched_process_fork/hist "onchange(var)":README "snapshot()":README ping:program fail() { #msg echo $1 exit_fail } -if [ ! -f set_event ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f snapshot ]; then - echo "snapshot is not supported" - exit_unsupported -fi - -grep -q "onchange(var)" README || exit_unsupported # version issue - -grep -q "snapshot()" README || exit_unsupported # version issue - echo "Test snapshot action" echo 1 > events/sched/enable diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-eprobe.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-eprobe.tc new file mode 100644 index 000000000000..c2a8ab01e13b --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-eprobe.tc @@ -0,0 +1,53 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: event trigger - test inter-event histogram trigger eprobe on synthetic event +# requires: dynamic_events synthetic_events events/syscalls/sys_enter_openat/hist "e[:[<group>/][<event>]] <attached-group>.<attached-event> [<args>]":README + +echo 0 > events/enable + +clear_dynamic_events + +SYSTEM="syscalls" +START="sys_enter_openat" +END="sys_exit_openat" +FIELD="filename" +SYNTH="synth_open" +EPROBE="eprobe_open" + +echo "$SYNTH unsigned long filename; long ret;" > synthetic_events +echo "hist:keys=common_pid:__arg__1=$FIELD" > events/$SYSTEM/$START/trigger +echo "hist:keys=common_pid:filename=\$__arg__1,ret=ret:onmatch($SYSTEM.$START).trace($SYNTH,\$filename,\$ret)" > events/$SYSTEM/$END/trigger + +echo "e:$EPROBE synthetic/$SYNTH file=+0(\$filename):ustring ret=\$ret:s64" >> dynamic_events + +grep -q "$SYNTH" dynamic_events +grep -q "$EPROBE" dynamic_events +test -d events/synthetic/$SYNTH +test -d events/eprobes/$EPROBE + +echo 1 > events/eprobes/$EPROBE/enable +ls +echo 0 > events/eprobes/$EPROBE/enable + +content=`grep '^ *ls-' trace | grep 'file='` +nocontent=`grep '^ *ls-' trace | grep 'file=' | grep -v -e '"/' -e '"."'` || true + +if [ -z "$content" ]; then + exit_fail +fi + +if [ ! -z "$nocontent" ]; then + exit_fail +fi + +echo "-:$EPROBE" >> dynamic_events +echo '!'"hist:keys=common_pid:filename=\$__arg__1,ret=ret:onmatch($SYSTEM.$START).trace($SYNTH,\$filename,\$ret)" > events/$SYSTEM/$END/trigger +echo '!'"hist:keys=common_pid:__arg__1=$FIELD" > events/$SYSTEM/$START/trigger +echo '!'"$SYNTH u64 filename; s64 ret;" >> synthetic_events + +! grep -q "$SYNTH" dynamic_events +! grep -q "$EPROBE" dynamic_events +! test -d events/synthetic/$SYNTH +! test -d events/eprobes/$EPROBE + +clear_trace diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-createremove.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-createremove.tc index df44b14724a4..a152b558b40a 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-createremove.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-createremove.tc @@ -1,22 +1,13 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event trigger - test synthetic event create remove +# requires: set_event synthetic_events fail() { #msg echo $1 exit_fail } -if [ ! -f set_event ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f synthetic_events ]; then - echo "synthetic event is not supported" - exit_unsupported -fi - echo "Test create synthetic event" echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-dynstring.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-dynstring.tc new file mode 100644 index 000000000000..174376ddbc6c --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-dynstring.tc @@ -0,0 +1,31 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: event trigger - test inter-event histogram trigger trace action with dynamic string param +# requires: set_event synthetic_events events/sched/sched_process_exec/hist "' >> synthetic_events":README ping:program + +fail() { #msg + echo $1 + exit_fail +} + +echo "Test create synthetic event" + +echo 'ping_test_latency u64 lat; char filename[]' > synthetic_events +if [ ! -d events/synthetic/ping_test_latency ]; then + fail "Failed to create ping_test_latency synthetic event" +fi + +echo "Test create histogram for synthetic event using trace action and dynamic strings" +echo "Test histogram dynamic string variables,simple expression support and trace action" + +echo 'hist:key=pid:filenamevar=filename:ts0=common_timestamp.usecs' > events/sched/sched_process_exec/trigger +echo 'hist:key=pid:lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_process_exec).ping_test_latency($lat,$filenamevar) if comm == "ping"' > events/sched/sched_process_exit/trigger +echo 'hist:keys=filename,lat:sort=filename,lat' > events/synthetic/ping_test_latency/trigger + +ping $LOCALHOST -c 5 + +if ! grep -q "ping" events/synthetic/ping_test_latency/hist; then + fail "Failed to create dynamic string trace action inter-event histogram" +fi + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-stack-legacy.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-stack-legacy.tc new file mode 100644 index 000000000000..d0cd91a93069 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-stack-legacy.tc @@ -0,0 +1,24 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: event trigger - test inter-event histogram trigger trace action with dynamic string param (legacy stack) +# requires: set_event synthetic_events events/sched/sched_process_exec/hist "long[] stack' >> synthetic_events":README + +fail() { #msg + echo $1 + exit_fail +} + +echo "Test create synthetic event with stack" + +# Test the old stacktrace keyword (for backward compatibility) +echo 's:wake_lat pid_t pid; u64 delta; unsigned long[] stack;' > dynamic_events +echo 'hist:keys=next_pid:ts=common_timestamp.usecs,st=stacktrace if prev_state == 1||prev_state == 2' >> events/sched/sched_switch/trigger +echo 'hist:keys=prev_pid:delta=common_timestamp.usecs-$ts,s=$st:onmax($delta).trace(wake_lat,prev_pid,$delta,$s)' >> events/sched/sched_switch/trigger +echo 1 > events/synthetic/wake_lat/enable +sleep 1 + +if ! grep -q "=>.*sched" trace; then + fail "Failed to create synthetic event with stack" +fi + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-stack.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-stack.tc new file mode 100644 index 000000000000..8f1cc9a86a06 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-stack.tc @@ -0,0 +1,23 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: event trigger - test inter-event histogram trigger trace action with dynamic string param +# requires: set_event synthetic_events events/sched/sched_process_exec/hist "can be any field, or the special string 'common_stacktrace'":README + +fail() { #msg + echo $1 + exit_fail +} + +echo "Test create synthetic event with stack" + +echo 's:wake_lat pid_t pid; u64 delta; unsigned long[] stack;' > dynamic_events +echo 'hist:keys=next_pid:ts=common_timestamp.usecs,st=common_stacktrace if prev_state == 1||prev_state == 2' >> events/sched/sched_switch/trigger +echo 'hist:keys=prev_pid:delta=common_timestamp.usecs-$ts,s=$st:onmax($delta).trace(wake_lat,prev_pid,$delta,$s)' >> events/sched/sched_switch/trigger +echo 1 > events/synthetic/wake_lat/enable +sleep 1 + +if ! grep -q "=>.*sched" trace; then + fail "Failed to create synthetic event with stack" +fi + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-syntax.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-syntax.tc index 88e6c3f43006..366f1f3ad906 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-syntax.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-syntax.tc @@ -1,6 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event trigger - test synthetic_events syntax parser +# requires: set_event synthetic_events do_reset() { reset_trigger @@ -14,16 +15,6 @@ fail() { #msg exit_fail } -if [ ! -f set_event ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f synthetic_events ]; then - echo "synthetic event is not supported" - exit_unsupported -fi - reset_tracer do_reset @@ -41,6 +32,10 @@ grep "myevent[[:space:]]u64 var1" synthetic_events # it is not possible to add same name event ! echo "myevent u64 var2" >> synthetic_events +# make sure !synthetic event doesn't require a field +echo "!myevent" >> synthetic_events +echo "myevent u64 var1" >> synthetic_events + # Non-append open will cleanup all events and add new one echo "myevent u64 var2" > synthetic_events @@ -75,6 +70,12 @@ grep "myevent[[:space:]]unsigned long var" synthetic_events echo "myevent char var[10]" > synthetic_events grep "myevent[[:space:]]char\[10\] var" synthetic_events +if grep -q 'long\[\]' README; then + # test stacktrace type + echo "myevent unsigned long[] var" > synthetic_events + grep "myevent[[:space:]]unsigned long\[\] var" synthetic_events +fi + do_reset exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic_event_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic_event_syntax_errors.tc new file mode 100644 index 000000000000..b927ee54c02d --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic_event_syntax_errors.tc @@ -0,0 +1,38 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: event trigger - test synthetic_events syntax parser errors +# requires: synthetic_events error_log "' >> synthetic_events":README + +check_error() { # command-with-error-pos-by-^ + ftrace_errlog_check 'synthetic_events' "$1" 'synthetic_events' +} + +check_dyn_error() { # command-with-error-pos-by-^ + ftrace_errlog_check 'synthetic_events' "$1" 'dynamic_events' +} + +check_error 'myevent ^chr arg' # INVALID_TYPE +check_error 'myevent ^unsigned arg' # INCOMPLETE_TYPE + +check_error 'myevent char ^str]; int v' # BAD_NAME +check_error '^mye-vent char str[]' # BAD_NAME +check_error 'myevent char ^st-r[]' # BAD_NAME + +check_error 'myevent char str;^[]' # INVALID_FIELD +check_error 'myevent char str; ^int' # INVALID_FIELD + +check_error 'myevent char ^str[; int v' # INVALID_ARRAY_SPEC +check_error 'myevent char ^str[kdjdk]' # INVALID_ARRAY_SPEC +check_error 'myevent char ^str[257]' # INVALID_ARRAY_SPEC + +check_error '^mye;vent char str[]' # INVALID_CMD +check_error '^myevent ; char str[]' # INVALID_CMD +check_error '^myevent; char str[]' # INVALID_CMD +check_error '^myevent ;char str[]' # INVALID_CMD +check_error '^; char str[]' # INVALID_CMD +check_error '^;myevent char str[]' # INVALID_CMD +check_error '^myevent' # INVALID_CMD + +check_dyn_error '^s:junk/myevent char str[' # INVALID_DYN_CMD + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-trace-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-trace-action-hist.tc index 8021d60aafec..d7312047ce28 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-trace-action-hist.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-trace-action-hist.tc @@ -1,24 +1,13 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event trigger - test inter-event histogram trigger trace action +# requires: set_event synthetic_events events/sched/sched_process_fork/hist "trace(<synthetic_event>":README ping:program fail() { #msg echo $1 exit_fail } -if [ ! -f set_event ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f synthetic_events ]; then - echo "synthetic event is not supported" - exit_unsupported -fi - -grep -q "trace(<synthetic_event>" README || exit_unsupported # version issue - echo "Test create synthetic event" echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc index eddb51e1fbf7..c226acee74bf 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc @@ -1,6 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event trigger - test event enable/disable trigger +# requires: set_event events/sched/sched_process_fork/trigger # flags: instance fail() { #msg @@ -8,16 +9,6 @@ fail() { #msg exit_fail } -if [ ! -f set_event -o ! -d events/sched ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f events/sched/sched_process_fork/trigger ]; then - echo "event trigger is not supported" - exit_unsupported -fi - FEATURE=`grep enable_event events/sched/sched_process_fork/trigger` if [ -z "$FEATURE" ]; then echo "event enable/disable trigger is not supported" diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc index 2dcc2296ebdd..d9a198cb0f81 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc @@ -1,6 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event trigger - test trigger filter +# requires: set_event events/sched/sched_process_fork/trigger # flags: instance fail() { #msg @@ -8,16 +9,6 @@ fail() { #msg exit_fail } -if [ ! -f set_event -o ! -d events/sched ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f events/sched/sched_process_fork/trigger ]; then - echo "event trigger is not supported" - exit_unsupported -fi - echo "Test trigger filter" echo 1 > tracing_on echo 'traceoff if child_pid == 0' > events/sched/sched_process_fork/trigger diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-expressions.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-expressions.tc new file mode 100644 index 000000000000..05ffba299dbf --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-expressions.tc @@ -0,0 +1,63 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: event trigger - test histogram expression parsing +# requires: set_event events/sched/sched_process_fork/trigger events/sched/sched_process_fork/hist error_log "<var1>=<field|var_ref|numeric_literal>":README + + +fail() { #msg + echo $1 + exit_fail +} + +test_hist_expr() { # test_name expression expected_val + trigger="events/sched/sched_process_fork/trigger" + + reset_trigger_file $trigger + + echo "Test hist trigger expressions - $1" + + echo "hist:keys=common_pid:x=$2" > $trigger + + for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done + + actual=`grep -o 'x=[[:digit:]]*' $trigger | awk -F= '{ print $2 }'` + + if [ $actual != $3 ]; then + fail "Failed hist trigger expression evaluation: Expression: $2 Expected: $3, Actual: $actual" + fi + + reset_trigger_file $trigger +} + +check_error() { # test_name command-with-error-pos-by-^ + trigger="events/sched/sched_process_fork/trigger" + + echo "Test hist trigger expressions - $1" + ftrace_errlog_check 'hist:sched:sched_process_fork' "$2" $trigger +} + +test_hist_expr "Variable assignment" "123" "123" + +test_hist_expr "Subtraction not associative" "16-8-4-2" "2" + +test_hist_expr "Division not associative" "64/8/4/2" "1" + +test_hist_expr "Same precedence operators (+,-) evaluated left to right" "16-8+4+2" "14" + +test_hist_expr "Same precedence operators (*,/) evaluated left to right" "4*3/2*2" "12" + +test_hist_expr "Multiplication evaluated before addition/subtraction" "4+3*2-2" "8" + +test_hist_expr "Division evaluated before addition/subtraction" "4+6/2-2" "5" + +# err pos for "too many subexpressions" is dependent on where +# the last subexpression was detected. This can vary depending +# on how the expression tree was generated. +check_error "Too many subexpressions" 'hist:keys=common_pid:x=32+^10*3/20-4' +check_error "Too many subexpressions" 'hist:keys=common_pid:x=^1+2+3+4+5' + +check_error "Unary minus not supported in subexpression" 'hist:keys=common_pid:x=-(^1)+2' + +check_error "Division by zero" 'hist:keys=common_pid:x=3/^0' + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc index fab4431639d3..717898894ef7 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc @@ -1,6 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event trigger - test histogram modifiers +# requires: set_event events/sched/sched_process_fork/trigger events/sched/sched_process_fork/hist # flags: instance fail() { #msg @@ -8,21 +9,6 @@ fail() { #msg exit_fail } -if [ ! -f set_event -o ! -d events/sched ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f events/sched/sched_process_fork/trigger ]; then - echo "event trigger is not supported" - exit_unsupported -fi - -if [ ! -f events/sched/sched_process_fork/hist ]; then - echo "hist trigger is not supported" - exit_unsupported -fi - echo "Test histogram with execname modifier" echo 'hist:keys=common_pid.execname' > events/sched/sched_process_fork/trigger @@ -54,7 +40,7 @@ grep "id: \(unknown_\|sys_\)" events/raw_syscalls/sys_exit/hist > /dev/null || \ reset_trigger -echo "Test histgram with log2 modifier" +echo "Test histogram with log2 modifier" echo 'hist:keys=bytes_req.log2' > events/kmem/kmalloc/trigger for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-syntax-errors.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-syntax-errors.tc index d44087a2f3d1..52cfe7828e8a 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-syntax-errors.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-syntax-errors.tc @@ -1,23 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event trigger - test histogram parser errors - -if [ ! -f set_event -o ! -d events/kmem ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f events/kmem/kmalloc/trigger ]; then - echo "event trigger is not supported" - exit_unsupported -fi - -if [ ! -f events/kmem/kmalloc/hist ]; then - echo "hist trigger is not supported" - exit_unsupported -fi - -[ -f error_log ] || exit_unsupported +# requires: set_event events/kmem/kmalloc/trigger events/kmem/kmalloc/hist error_log check_error() { # command-with-error-pos-by-^ ftrace_errlog_check 'hist:kmem:kmalloc' "$1" 'events/kmem/kmalloc/trigger' diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist.tc index 177e8d4c4744..adae72665500 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist.tc @@ -1,6 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event trigger - test histogram trigger +# requires: set_event events/sched/sched_process_fork/trigger events/sched/sched_process_fork/hist # flags: instance fail() { #msg @@ -8,22 +9,7 @@ fail() { #msg exit_fail } -if [ ! -f set_event -o ! -d events/sched ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f events/sched/sched_process_fork/trigger ]; then - echo "event trigger is not supported" - exit_unsupported -fi - -if [ ! -f events/sched/sched_process_fork/hist ]; then - echo "hist trigger is not supported" - exit_unsupported -fi - -echo "Test histogram basic tigger" +echo "Test histogram basic trigger" echo 'hist:keys=parent_pid:vals=child_pid' > events/sched/sched_process_fork/trigger for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done @@ -53,6 +39,24 @@ grep "parent_comm: $COMM" events/sched/sched_process_fork/hist > /dev/null || \ reset_trigger +echo "Test histogram with sym modifier" + +echo 'hist:keys=call_site.sym' > events/kmem/kmalloc/trigger +for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done +grep '{ call_site: \[[0-9a-f][0-9a-f]*\] [_a-zA-Z][_a-zA-Z]* *}' events/kmem/kmalloc/hist > /dev/null || \ + fail "sym modifier on kmalloc call_site did not work" + +reset_trigger + +echo "Test histogram with sym-offset modifier" + +echo 'hist:keys=call_site.sym-offset' > events/kmem/kmalloc/trigger +for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done +grep '{ call_site: \[[0-9a-f][0-9a-f]*\] [_a-zA-Z][_a-zA-Z]*+0x[0-9a-f][0-9a-f]*' events/kmem/kmalloc/hist > /dev/null || \ + fail "sym-offset modifier on kmalloc call_site did not work" + +reset_trigger + echo "Test histogram with sort key" echo 'hist:keys=parent_pid,child_pid:sort=child_pid.ascending' > events/sched/sched_process_fork/trigger diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-multihist.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-multihist.tc index 68ff3f45c720..7129b52da947 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-multihist.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-multihist.tc @@ -1,6 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event trigger - test multiple histogram triggers +# requires: set_event events/sched/sched_process_fork/trigger events/sched/sched_process_fork/hist # flags: instance fail() { #msg @@ -8,21 +9,6 @@ fail() { #msg exit_fail } -if [ ! -f set_event -o ! -d events/sched ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f events/sched/sched_process_fork/trigger ]; then - echo "event trigger is not supported" - exit_unsupported -fi - -if [ ! -f events/sched/sched_process_fork/hist ]; then - echo "hist trigger is not supported" - exit_unsupported -fi - echo "Test histogram multiple triggers" echo 'hist:keys=parent_pid:vals=child_pid' > events/sched/sched_process_fork/trigger diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc index ac738500d17f..33f5bdee387f 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc @@ -1,27 +1,13 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event trigger - test snapshot-trigger +# requires: set_event events/sched/sched_process_fork/trigger snapshot fail() { #msg echo $1 exit_fail } -if [ ! -f set_event -o ! -d events/sched ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f events/sched/sched_process_fork/trigger ]; then - echo "event trigger is not supported" - exit_unsupported -fi - -if [ ! -f snapshot ]; then - echo "snapshot is not supported" - exit_unsupported -fi - FEATURE=`grep snapshot events/sched/sched_process_fork/trigger` if [ -z "$FEATURE" ]; then echo "snapshot trigger is not supported" diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc index 398c05c4d2a7..320ea9b3c6cd 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc @@ -1,29 +1,20 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event trigger - test stacktrace-trigger +# requires: set_event events/sched/sched_process_fork/trigger fail() { #msg echo $1 exit_fail } -if [ ! -f set_event -o ! -d events/sched ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f events/sched/sched_process_fork/trigger ]; then - echo "event trigger is not supported" - exit_unsupported -fi - FEATURE=`grep stacktrace events/sched/sched_process_fork/trigger` if [ -z "$FEATURE" ]; then echo "stacktrace trigger is not supported" exit_unsupported fi -echo "Test stacktrace tigger" +echo "Test stacktrace trigger" echo 0 > trace echo 0 > options/stacktrace echo 'stacktrace' > events/sched/sched_process_fork/trigger diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-hist.tc index ab6bedb25736..68f3af9d9910 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-hist.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-hist.tc @@ -1,6 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: trace_marker trigger - test histogram trigger +# requires: set_event events/ftrace/print/trigger events/ftrace/print/hist # flags: instance fail() { #msg @@ -8,27 +9,7 @@ fail() { #msg exit_fail } -if [ ! -f set_event ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -d events/ftrace/print ]; then - echo "event trace_marker is not supported" - exit_unsupported -fi - -if [ ! -f events/ftrace/print/trigger ]; then - echo "event trigger is not supported" - exit_unsupported -fi - -if [ ! -f events/ftrace/print/hist ]; then - echo "hist trigger is not supported" - exit_unsupported -fi - -echo "Test histogram trace_marker tigger" +echo "Test histogram trace_marker trigger" echo 'hist:keys=common_pid' > events/ftrace/print/trigger for i in `seq 1 10` ; do echo "hello" > trace_marker; done diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-snapshot.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-snapshot.tc index df246e505af7..27da2dba9b9e 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-snapshot.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-snapshot.tc @@ -1,6 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: trace_marker trigger - test snapshot trigger +# requires: set_event snapshot events/ftrace/print/trigger # flags: instance fail() { #msg @@ -8,26 +9,6 @@ fail() { #msg exit_fail } -if [ ! -f set_event ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f snapshot ]; then - echo "snapshot is not supported" - exit_unsupported -fi - -if [ ! -d events/ftrace/print ]; then - echo "event trace_marker is not supported" - exit_unsupported -fi - -if [ ! -f events/ftrace/print/trigger ]; then - echo "event trigger is not supported" - exit_unsupported -fi - test_trace() { file=$1 x=$2 @@ -46,7 +27,7 @@ test_trace() { done } -echo "Test snapshot trace_marker tigger" +echo "Test snapshot trace_marker trigger" echo 'snapshot' > events/ftrace/print/trigger diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-synthetic-kernel.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-synthetic-kernel.tc index 18b4d1c2807e..531139f41e94 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-synthetic-kernel.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-synthetic-kernel.tc @@ -1,6 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: trace_marker trigger - test histogram with synthetic event against kernel event +# requires: set_event synthetic_events events/sched/sched_waking events/ftrace/print/trigger events/ftrace/print/hist # flags: fail() { #msg @@ -8,36 +9,6 @@ fail() { #msg exit_fail } -if [ ! -f set_event ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f synthetic_events ]; then - echo "synthetic events not supported" - exit_unsupported -fi - -if [ ! -d events/ftrace/print ]; then - echo "event trace_marker is not supported" - exit_unsupported -fi - -if [ ! -d events/sched/sched_waking ]; then - echo "event sched_waking is not supported" - exit_unsupported -fi - -if [ ! -f events/ftrace/print/trigger ]; then - echo "event trigger is not supported" - exit_unsupported -fi - -if [ ! -f events/ftrace/print/hist ]; then - echo "hist trigger is not supported" - exit_unsupported -fi - echo "Test histogram kernel event to trace_marker latency histogram trigger" echo 'latency u64 lat' > synthetic_events diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-synthetic.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-synthetic.tc index dd262d6d0db6..cc99cbb06d5e 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-synthetic.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-synthetic.tc @@ -1,6 +1,7 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: trace_marker trigger - test histogram with synthetic event +# requires: set_event synthetic_events events/ftrace/print/trigger events/ftrace/print/hist # flags: fail() { #msg @@ -8,31 +9,6 @@ fail() { #msg exit_fail } -if [ ! -f set_event ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f synthetic_events ]; then - echo "synthetic events not supported" - exit_unsupported -fi - -if [ ! -d events/ftrace/print ]; then - echo "event trace_marker is not supported" - exit_unsupported -fi - -if [ ! -f events/ftrace/print/trigger ]; then - echo "event trigger is not supported" - exit_unsupported -fi - -if [ ! -f events/ftrace/print/hist ]; then - echo "hist trigger is not supported" - exit_unsupported -fi - echo "Test histogram trace_marker to trace_marker latency histogram trigger" echo 'latency u64 lat' > synthetic_events diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc index d5d2dcbc9cab..9ca04678f4da 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc @@ -1,22 +1,13 @@ #!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: event trigger - test traceon/off trigger +# requires: set_event events/sched/sched_process_fork/trigger fail() { #msg echo $1 exit_fail } -if [ ! -f set_event -o ! -d events/sched ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f events/sched/sched_process_fork/trigger ]; then - echo "event trigger is not supported" - exit_unsupported -fi - echo "Test traceoff trigger" echo 1 > tracing_on echo 'traceoff' > events/sched/sched_process_fork/trigger |