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-rwxr-xr-xtools/testing/selftests/rcutorture/bin/torture.sh503
1 files changed, 503 insertions, 0 deletions
diff --git a/tools/testing/selftests/rcutorture/bin/torture.sh b/tools/testing/selftests/rcutorture/bin/torture.sh
new file mode 100755
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+++ b/tools/testing/selftests/rcutorture/bin/torture.sh
@@ -0,0 +1,503 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Run a series of torture tests, intended for overnight or
+# longer timeframes, and also for large systems.
+#
+# Usage: torture.sh [ options ]
+#
+# Copyright (C) 2020 Facebook, Inc.
+#
+# Authors: Paul E. McKenney <paulmck@kernel.org>
+
+scriptname=$0
+args="$*"
+
+RCUTORTURE="`pwd`/tools/testing/selftests/rcutorture"; export RCUTORTURE
+PATH=${RCUTORTURE}/bin:$PATH; export PATH
+. functions.sh
+
+TORTURE_ALLOTED_CPUS="`identify_qemu_vcpus`"
+MAKE_ALLOTED_CPUS=$((TORTURE_ALLOTED_CPUS*2))
+HALF_ALLOTED_CPUS=$((TORTURE_ALLOTED_CPUS/2))
+if test "$HALF_ALLOTED_CPUS" -lt 1
+then
+ HALF_ALLOTED_CPUS=1
+fi
+VERBOSE_BATCH_CPUS=$((TORTURE_ALLOTED_CPUS/16))
+if test "$VERBOSE_BATCH_CPUS" -lt 2
+then
+ VERBOSE_BATCH_CPUS=0
+fi
+
+# Configurations/scenarios.
+configs_rcutorture=
+configs_locktorture=
+configs_scftorture=
+kcsan_kmake_args=
+
+# Default compression, duration, and apportionment.
+compress_concurrency="`identify_qemu_vcpus`"
+duration_base=10
+duration_rcutorture_frac=7
+duration_locktorture_frac=1
+duration_scftorture_frac=2
+
+# "yes" or "no" parameters
+do_allmodconfig=yes
+do_rcutorture=yes
+do_locktorture=yes
+do_scftorture=yes
+do_rcuscale=yes
+do_refscale=yes
+do_kvfree=yes
+do_kasan=yes
+do_kcsan=no
+do_clocksourcewd=yes
+do_rt=yes
+
+# doyesno - Helper function for yes/no arguments
+function doyesno () {
+ if test "$1" = "$2"
+ then
+ echo yes
+ else
+ echo no
+ fi
+}
+
+usage () {
+ echo "Usage: $scriptname optional arguments:"
+ echo " --compress-concurrency concurrency"
+ echo " --configs-rcutorture \"config-file list w/ repeat factor (3*TINY01)\""
+ echo " --configs-locktorture \"config-file list w/ repeat factor (10*LOCK01)\""
+ echo " --configs-scftorture \"config-file list w/ repeat factor (2*CFLIST)\""
+ echo " --do-all"
+ echo " --do-allmodconfig / --do-no-allmodconfig"
+ echo " --do-clocksourcewd / --do-no-clocksourcewd"
+ echo " --do-kasan / --do-no-kasan"
+ echo " --do-kcsan / --do-no-kcsan"
+ echo " --do-kvfree / --do-no-kvfree"
+ echo " --do-locktorture / --do-no-locktorture"
+ echo " --do-none"
+ echo " --do-rcuscale / --do-no-rcuscale"
+ echo " --do-rcutorture / --do-no-rcutorture"
+ echo " --do-refscale / --do-no-refscale"
+ echo " --do-rt / --do-no-rt"
+ echo " --do-scftorture / --do-no-scftorture"
+ echo " --duration [ <minutes> | <hours>h | <days>d ]"
+ echo " --kcsan-kmake-arg kernel-make-arguments"
+ exit 1
+}
+
+while test $# -gt 0
+do
+ case "$1" in
+ --compress-concurrency)
+ checkarg --compress-concurrency "(concurrency level)" $# "$2" '^[0-9][0-9]*$' '^error'
+ compress_concurrency=$2
+ shift
+ ;;
+ --config-rcutorture|--configs-rcutorture)
+ checkarg --configs-rcutorture "(list of config files)" "$#" "$2" '^[^/]\+$' '^--'
+ configs_rcutorture="$configs_rcutorture $2"
+ shift
+ ;;
+ --config-locktorture|--configs-locktorture)
+ checkarg --configs-locktorture "(list of config files)" "$#" "$2" '^[^/]\+$' '^--'
+ configs_locktorture="$configs_locktorture $2"
+ shift
+ ;;
+ --config-scftorture|--configs-scftorture)
+ checkarg --configs-scftorture "(list of config files)" "$#" "$2" '^[^/]\+$' '^--'
+ configs_scftorture="$configs_scftorture $2"
+ shift
+ ;;
+ --do-all|--doall)
+ do_allmodconfig=yes
+ do_rcutorture=yes
+ do_locktorture=yes
+ do_scftorture=yes
+ do_rcuscale=yes
+ do_refscale=yes
+ do_rt=yes
+ do_kvfree=yes
+ do_kasan=yes
+ do_kcsan=yes
+ do_clocksourcewd=yes
+ ;;
+ --do-allmodconfig|--do-no-allmodconfig)
+ do_allmodconfig=`doyesno "$1" --do-allmodconfig`
+ ;;
+ --do-clocksourcewd|--do-no-clocksourcewd)
+ do_clocksourcewd=`doyesno "$1" --do-clocksourcewd`
+ ;;
+ --do-kasan|--do-no-kasan)
+ do_kasan=`doyesno "$1" --do-kasan`
+ ;;
+ --do-kcsan|--do-no-kcsan)
+ do_kcsan=`doyesno "$1" --do-kcsan`
+ ;;
+ --do-kvfree|--do-no-kvfree)
+ do_kvfree=`doyesno "$1" --do-kvfree`
+ ;;
+ --do-locktorture|--do-no-locktorture)
+ do_locktorture=`doyesno "$1" --do-locktorture`
+ ;;
+ --do-none|--donone)
+ do_allmodconfig=no
+ do_rcutorture=no
+ do_locktorture=no
+ do_scftorture=no
+ do_rcuscale=no
+ do_refscale=no
+ do_rt=no
+ do_kvfree=no
+ do_kasan=no
+ do_kcsan=no
+ do_clocksourcewd=no
+ ;;
+ --do-rcuscale|--do-no-rcuscale)
+ do_rcuscale=`doyesno "$1" --do-rcuscale`
+ ;;
+ --do-rcutorture|--do-no-rcutorture)
+ do_rcutorture=`doyesno "$1" --do-rcutorture`
+ ;;
+ --do-refscale|--do-no-refscale)
+ do_refscale=`doyesno "$1" --do-refscale`
+ ;;
+ --do-rt|--do-no-rt)
+ do_rt=`doyesno "$1" --do-rt`
+ ;;
+ --do-scftorture|--do-no-scftorture)
+ do_scftorture=`doyesno "$1" --do-scftorture`
+ ;;
+ --duration)
+ checkarg --duration "(minutes)" $# "$2" '^[0-9][0-9]*\(m\|h\|d\|\)$' '^error'
+ mult=1
+ if echo "$2" | grep -q 'm$'
+ then
+ mult=1
+ elif echo "$2" | grep -q 'h$'
+ then
+ mult=60
+ elif echo "$2" | grep -q 'd$'
+ then
+ mult=1440
+ fi
+ ts=`echo $2 | sed -e 's/[smhd]$//'`
+ duration_base=$(($ts*mult))
+ shift
+ ;;
+ --kcsan-kmake-arg|--kcsan-kmake-args)
+ checkarg --kcsan-kmake-arg "(kernel make arguments)" $# "$2" '.*' '^error$'
+ kcsan_kmake_args="`echo "$kcsan_kmake_args $2" | sed -e 's/^ *//' -e 's/ *$//'`"
+ shift
+ ;;
+ *)
+ echo Unknown argument $1
+ usage
+ ;;
+ esac
+ shift
+done
+
+ds="`date +%Y.%m.%d-%H.%M.%S`-torture"
+startdate="`date`"
+starttime="`get_starttime`"
+
+T=/tmp/torture.sh.$$
+trap 'rm -rf $T' 0 2
+mkdir $T
+
+echo " --- " $scriptname $args | tee -a $T/log
+echo " --- Results directory: " $ds | tee -a $T/log
+
+# Calculate rcutorture defaults and apportion time
+if test -z "$configs_rcutorture"
+then
+ configs_rcutorture=CFLIST
+fi
+duration_rcutorture=$((duration_base*duration_rcutorture_frac/10))
+if test "$duration_rcutorture" -eq 0
+then
+ echo " --- Zero time for rcutorture, disabling" | tee -a $T/log
+ do_rcutorture=no
+fi
+
+# Calculate locktorture defaults and apportion time
+if test -z "$configs_locktorture"
+then
+ configs_locktorture=CFLIST
+fi
+duration_locktorture=$((duration_base*duration_locktorture_frac/10))
+if test "$duration_locktorture" -eq 0
+then
+ echo " --- Zero time for locktorture, disabling" | tee -a $T/log
+ do_locktorture=no
+fi
+
+# Calculate scftorture defaults and apportion time
+if test -z "$configs_scftorture"
+then
+ configs_scftorture=CFLIST
+fi
+duration_scftorture=$((duration_base*duration_scftorture_frac/10))
+if test "$duration_scftorture" -eq 0
+then
+ echo " --- Zero time for scftorture, disabling" | tee -a $T/log
+ do_scftorture=no
+fi
+
+touch $T/failures
+touch $T/successes
+
+# torture_one - Does a single kvm.sh run.
+#
+# Usage:
+# torture_bootargs="[ kernel boot arguments ]"
+# torture_one flavor [ kvm.sh arguments ]
+#
+# Note that "flavor" is an arbitrary string. Supply --torture if needed.
+# Note that quoting is problematic. So on the command line, pass multiple
+# values with multiple kvm.sh argument instances.
+function torture_one {
+ local cur_bootargs=
+ local boottag=
+
+ echo " --- $curflavor:" Start `date` | tee -a $T/log
+ if test -n "$torture_bootargs"
+ then
+ boottag="--bootargs"
+ cur_bootargs="$torture_bootargs"
+ fi
+ "$@" $boottag "$cur_bootargs" --datestamp "$ds/results-$curflavor" > $T/$curflavor.out 2>&1
+ retcode=$?
+ resdir="`grep '^Results directory: ' $T/$curflavor.out | tail -1 | sed -e 's/^Results directory: //'`"
+ if test -z "$resdir"
+ then
+ cat $T/$curflavor.out | tee -a $T/log
+ echo retcode=$retcode | tee -a $T/log
+ fi
+ if test "$retcode" == 0
+ then
+ echo "$curflavor($retcode)" $resdir >> $T/successes
+ else
+ echo "$curflavor($retcode)" $resdir >> $T/failures
+ fi
+}
+
+# torture_set - Does a set of tortures with and without KASAN and KCSAN.
+#
+# Usage:
+# torture_bootargs="[ kernel boot arguments ]"
+# torture_set flavor [ kvm.sh arguments ]
+#
+# Note that "flavor" is an arbitrary string that does not affect kvm.sh
+# in any way. So also supply --torture if you need something other than
+# the default.
+function torture_set {
+ local cur_kcsan_kmake_args=
+ local kcsan_kmake_tag=
+ local flavor=$1
+ shift
+ curflavor=$flavor
+ torture_one "$@"
+ if test "$do_kasan" = "yes"
+ then
+ curflavor=${flavor}-kasan
+ torture_one "$@" --kasan
+ fi
+ if test "$do_kcsan" = "yes"
+ then
+ curflavor=${flavor}-kcsan
+ if test -n "$kcsan_kmake_args"
+ then
+ kcsan_kmake_tag="--kmake-args"
+ cur_kcsan_kmake_args="$kcsan_kmake_args"
+ fi
+ torture_one "$@" --kconfig "CONFIG_DEBUG_LOCK_ALLOC=y CONFIG_PROVE_LOCKING=y" $kcsan_kmake_tag $cur_kcsan_kmake_args --kcsan
+ fi
+}
+
+# make allmodconfig
+if test "$do_allmodconfig" = "yes"
+then
+ echo " --- allmodconfig:" Start `date` | tee -a $T/log
+ amcdir="tools/testing/selftests/rcutorture/res/$ds/allmodconfig"
+ mkdir -p "$amcdir"
+ echo " --- make clean" > "$amcdir/Make.out" 2>&1
+ make -j$MAKE_ALLOTED_CPUS clean >> "$amcdir/Make.out" 2>&1
+ echo " --- make allmodconfig" >> "$amcdir/Make.out" 2>&1
+ cp .config $amcdir
+ make -j$MAKE_ALLOTED_CPUS allmodconfig >> "$amcdir/Make.out" 2>&1
+ echo " --- make " >> "$amcdir/Make.out" 2>&1
+ make -j$MAKE_ALLOTED_CPUS >> "$amcdir/Make.out" 2>&1
+ retcode="$?"
+ echo $retcode > "$amcdir/Make.exitcode"
+ if test "$retcode" == 0
+ then
+ echo "allmodconfig($retcode)" $amcdir >> $T/successes
+ else
+ echo "allmodconfig($retcode)" $amcdir >> $T/failures
+ fi
+fi
+
+# --torture rcu
+if test "$do_rcutorture" = "yes"
+then
+ torture_bootargs="rcupdate.rcu_cpu_stall_suppress_at_boot=1 torture.disable_onoff_at_boot rcupdate.rcu_task_stall_timeout=30000"
+ torture_set "rcutorture" tools/testing/selftests/rcutorture/bin/kvm.sh --allcpus --duration "$duration_rcutorture" --configs "$configs_rcutorture" --trust-make
+fi
+
+if test "$do_locktorture" = "yes"
+then
+ torture_bootargs="torture.disable_onoff_at_boot"
+ torture_set "locktorture" tools/testing/selftests/rcutorture/bin/kvm.sh --torture lock --allcpus --duration "$duration_locktorture" --configs "$configs_locktorture" --trust-make
+fi
+
+if test "$do_scftorture" = "yes"
+then
+ torture_bootargs="scftorture.nthreads=$HALF_ALLOTED_CPUS torture.disable_onoff_at_boot csdlock_debug=1"
+ torture_set "scftorture" tools/testing/selftests/rcutorture/bin/kvm.sh --torture scf --allcpus --duration "$duration_scftorture" --configs "$configs_scftorture" --kconfig "CONFIG_NR_CPUS=$HALF_ALLOTED_CPUS" --memory 2G --trust-make
+fi
+
+if test "$do_rt" = "yes"
+then
+ # With all post-boot grace periods forced to normal.
+ torture_bootargs="rcupdate.rcu_cpu_stall_suppress_at_boot=1 torture.disable_onoff_at_boot rcupdate.rcu_task_stall_timeout=30000 rcupdate.rcu_normal=1"
+ torture_set "rcurttorture" tools/testing/selftests/rcutorture/bin/kvm.sh --allcpus --duration "$duration_rcutorture" --configs "TREE03" --trust-make
+
+ # With all post-boot grace periods forced to expedited.
+ torture_bootargs="rcupdate.rcu_cpu_stall_suppress_at_boot=1 torture.disable_onoff_at_boot rcupdate.rcu_task_stall_timeout=30000 rcupdate.rcu_expedited=1"
+ torture_set "rcurttorture-exp" tools/testing/selftests/rcutorture/bin/kvm.sh --allcpus --duration "$duration_rcutorture" --configs "TREE03" --trust-make
+fi
+
+if test "$do_refscale" = yes
+then
+ primlist="`grep '\.name[ ]*=' kernel/rcu/refscale.c | sed -e 's/^[^"]*"//' -e 's/".*$//'`"
+else
+ primlist=
+fi
+for prim in $primlist
+do
+ torture_bootargs="refscale.scale_type="$prim" refscale.nreaders=$HALF_ALLOTED_CPUS refscale.loops=10000 refscale.holdoff=20 torture.disable_onoff_at_boot"
+ torture_set "refscale-$prim" tools/testing/selftests/rcutorture/bin/kvm.sh --torture refscale --allcpus --duration 5 --kconfig "CONFIG_TASKS_TRACE_RCU=y CONFIG_NR_CPUS=$HALF_ALLOTED_CPUS" --bootargs "verbose_batched=$VERBOSE_BATCH_CPUS torture.verbose_sleep_frequency=8 torture.verbose_sleep_duration=$VERBOSE_BATCH_CPUS" --trust-make
+done
+
+if test "$do_rcuscale" = yes
+then
+ primlist="`grep '\.name[ ]*=' kernel/rcu/rcuscale.c | sed -e 's/^[^"]*"//' -e 's/".*$//'`"
+else
+ primlist=
+fi
+for prim in $primlist
+do
+ torture_bootargs="rcuscale.scale_type="$prim" rcuscale.nwriters=$HALF_ALLOTED_CPUS rcuscale.holdoff=20 torture.disable_onoff_at_boot"
+ torture_set "rcuscale-$prim" tools/testing/selftests/rcutorture/bin/kvm.sh --torture rcuscale --allcpus --duration 5 --kconfig "CONFIG_TASKS_TRACE_RCU=y CONFIG_NR_CPUS=$HALF_ALLOTED_CPUS" --trust-make
+done
+
+if test "$do_kvfree" = "yes"
+then
+ torture_bootargs="rcuscale.kfree_rcu_test=1 rcuscale.kfree_nthreads=16 rcuscale.holdoff=20 rcuscale.kfree_loops=10000 torture.disable_onoff_at_boot"
+ torture_set "rcuscale-kvfree" tools/testing/selftests/rcutorture/bin/kvm.sh --torture rcuscale --allcpus --duration 10 --kconfig "CONFIG_NR_CPUS=$HALF_ALLOTED_CPUS" --memory 2G --trust-make
+fi
+
+if test "$do_clocksourcewd" = "yes"
+then
+ torture_bootargs="rcupdate.rcu_cpu_stall_suppress_at_boot=1 torture.disable_onoff_at_boot rcupdate.rcu_task_stall_timeout=30000"
+ torture_set "clocksourcewd-1" tools/testing/selftests/rcutorture/bin/kvm.sh --allcpus --duration 45s --configs TREE03 --kconfig "CONFIG_TEST_CLOCKSOURCE_WATCHDOG=y" --trust-make
+
+ torture_bootargs="rcupdate.rcu_cpu_stall_suppress_at_boot=1 torture.disable_onoff_at_boot rcupdate.rcu_task_stall_timeout=30000 clocksource.max_cswd_read_retries=1"
+ torture_set "clocksourcewd-2" tools/testing/selftests/rcutorture/bin/kvm.sh --allcpus --duration 45s --configs TREE03 --kconfig "CONFIG_TEST_CLOCKSOURCE_WATCHDOG=y" --trust-make
+
+ # In case our work is already done...
+ if test "$do_rcutorture" != "yes"
+ then
+ torture_bootargs="rcupdate.rcu_cpu_stall_suppress_at_boot=1 torture.disable_onoff_at_boot rcupdate.rcu_task_stall_timeout=30000"
+ torture_set "clocksourcewd-3" tools/testing/selftests/rcutorture/bin/kvm.sh --allcpus --duration 45s --configs TREE03 --trust-make
+ fi
+fi
+
+echo " --- " $scriptname $args
+echo " --- " Done `date` | tee -a $T/log
+ret=0
+nsuccesses=0
+echo SUCCESSES: | tee -a $T/log
+if test -s "$T/successes"
+then
+ cat "$T/successes" | tee -a $T/log
+ nsuccesses="`wc -l "$T/successes" | awk '{ print $1 }'`"
+fi
+nfailures=0
+echo FAILURES: | tee -a $T/log
+if test -s "$T/failures"
+then
+ awk < "$T/failures" -v sq="'" '{ print "echo " sq $0 sq; print "sed -e " sq "1,/^ --- .* Test summary:$/d" sq " " $2 "/log | grep Summary: | sed -e " sq "s/^[^S]*/ /" sq; }' | sh | tee -a $T/log | tee "$T/failuresum"
+ nfailures="`wc -l "$T/failures" | awk '{ print $1 }'`"
+ grep "^ Summary: " "$T/failuresum" |
+ grep -v '^ Summary: Bugs: [0-9]* (all bugs kcsan)$' > "$T/nonkcsan"
+ if test -s "$T/nonkcsan"
+ then
+ nonkcsanbug="yes"
+ fi
+ ret=2
+fi
+if test "$do_kcsan" = "yes"
+then
+ TORTURE_KCONFIG_KCSAN_ARG=1 tools/testing/selftests/rcutorture/bin/kcsan-collapse.sh tools/testing/selftests/rcutorture/res/$ds > tools/testing/selftests/rcutorture/res/$ds/kcsan.sum
+fi
+echo Started at $startdate, ended at `date`, duration `get_starttime_duration $starttime`. | tee -a $T/log
+echo Summary: Successes: $nsuccesses Failures: $nfailures. | tee -a $T/log
+if test -z "$nonkcsanbug" && test -s "$T/failuresum"
+then
+ echo " All bugs were KCSAN failures."
+fi
+tdir="`cat $T/successes $T/failures | head -1 | awk '{ print $NF }' | sed -e 's,/[^/]\+/*$,,'`"
+if test -n "$tdir" && test $compress_concurrency -gt 0
+then
+ # KASAN vmlinux files can approach 1GB in size, so compress them.
+ echo Looking for K[AC]SAN files to compress: `date` > "$tdir/log-xz" 2>&1
+ find "$tdir" -type d -name '*-k[ac]san' -print > $T/xz-todo
+ ncompresses=0
+ batchno=1
+ if test -s $T/xz-todo
+ then
+ for i in `cat $T/xz-todo`
+ do
+ find $i -name 'vmlinux*' -print
+ done | wc -l | awk '{ print $1 }' > $T/xz-todo-count
+ n2compress="`cat $T/xz-todo-count`"
+ echo Size before compressing $n2compress files: `du -sh $tdir | awk '{ print $1 }'` `date` 2>&1 | tee -a "$tdir/log-xz" | tee -a $T/log
+ for i in `cat $T/xz-todo`
+ do
+ echo Compressing vmlinux files in ${i}: `date` >> "$tdir/log-xz" 2>&1
+ for j in $i/*/vmlinux
+ do
+ xz "$j" >> "$tdir/log-xz" 2>&1 &
+ ncompresses=$((ncompresses+1))
+ if test $ncompresses -ge $compress_concurrency
+ then
+ echo Waiting for batch $batchno of $ncompresses compressions `date` | tee -a "$tdir/log-xz" | tee -a $T/log
+ wait
+ ncompresses=0
+ batchno=$((batchno+1))
+ fi
+ done
+ done
+ if test $ncompresses -gt 0
+ then
+ echo Waiting for final batch $batchno of $ncompresses compressions `date` | tee -a "$tdir/log-xz" | tee -a $T/log
+ fi
+ wait
+ echo Size after compressing $n2compress files: `du -sh $tdir | awk '{ print $1 }'` `date` 2>&1 | tee -a "$tdir/log-xz" | tee -a $T/log
+ echo Total duration `get_starttime_duration $starttime`. | tee -a $T/log
+ else
+ echo No compression needed: `date` >> "$tdir/log-xz" 2>&1
+ fi
+fi
+if test -n "$tdir"
+then
+ cp $T/log "$tdir"
+fi
+exit $ret