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author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-10 20:03:45 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-10 20:03:45 -0800 |
commit | c32809521de5b31699a33379183848b0c7628f28 (patch) | |
tree | 6879856f5a75059dfcb843a3449d1847be006ec2 /tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc | |
parent | Merge tag 'trace-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace (diff) | |
parent | ftracetest: Add --verbose option for showing echo output (diff) | |
download | linux-dev-c32809521de5b31699a33379183848b0c7628f28.tar.xz linux-dev-c32809521de5b31699a33379183848b0c7628f28.zip |
Merge tag 'ftracetest-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull ftrace self-test updates from Steven Rostedt:
"Updates for the ftrace self tests:
- Added kprobes on ftrace testcase
- Sort test cases
- Add file to hold helper functions
- Use logfile name supported by busybox's mktemp
- Clear trace buffer after running kprobe test
- Fix show descriptions when run on dash shell
- Add --verbose option for showing echo output"
* tag 'ftracetest-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
ftracetest: Add --verbose option for showing echo output
ftracetest: Fix to show descriptions on dash
ftracetest: Add basic event tracing test cases
ftracetest: Clear trace buffer after running kprobe testcases
ftracetest: Use logfile name supported by busybox's mktemp
ftracetest: Add a couple of ftrace test cases
ftracetest: Add functions file that holds helper functions
ftracetest: Sort testcases
ftracetest: Add kprobes on ftrace testcase
Diffstat (limited to 'tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc')
-rw-r--r-- | tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc b/tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc new file mode 100644 index 000000000000..655c415b6e7f --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/event/subsystem-enable.tc @@ -0,0 +1,53 @@ +#!/bin/sh +# description: event tracing - enable/disable with subsystem level files + +do_reset() { + echo > set_event + clear_trace +} + +fail() { #msg + do_reset + echo $1 + exit -1 +} + +if [ ! -f set_event -o ! -d events/sched ]; then + echo "event tracing is not supported" + exit_unsupported +fi + +reset_tracer +do_reset + +echo 'sched:*' > set_event +usleep 1 + +count=`cat 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 + +do_reset + +echo 1 > events/sched/enable +usleep 1 + +count=`cat 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 + +do_reset + +echo 0 > events/sched/enable +usleep 1 + +count=`cat 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 + +do_reset + +exit 0 |