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author | Namhyung Kim <namhyung@kernel.org> | 2014-11-06 11:04:29 +0900 |
---|---|---|
committer | Steven Rostedt <rostedt@goodmis.org> | 2014-11-06 08:39:39 -0500 |
commit | ce1ac64b930a9f702cc89af590728df6b345ab31 (patch) | |
tree | 6099d357102dbd729d544440a68d505ceb3ecab4 /tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc | |
parent | 347e0e46b1515165ec3e2786ff5bee31eb778bb5 (diff) | |
download | linux-ce1ac64b930a9f702cc89af590728df6b345ab31.tar.bz2 |
ftracetest: Clear trace buffer after running kprobe testcases
The kprobe testcases create, use and delete dynamic events during the
test but didn't clear the trace buffer so it'll leave the result after
it finishes.
# ./ftracetest
...
# cat trace
# tracer: nop
#
# entries-in-buffer/entries-written: 2/2 #P:12
#
# _-----=> irqs-off
# / _----=> need-resched
# | / _---=> hardirq/softirq
# || / _--=> preempt-depth
# ||| / delay
# TASK-PID CPU# |||| TIMESTAMP FUNCTION
# | | | |||| | |
ftracetest-26474 [009] d..1 79417.143782: Unknown type 1099
ftracetest-26498 [009] d..1 79417.208034: Unknown type 1101
Link: http://lkml.kernel.org/r/1415239470-28705-2-git-send-email-namhyung@kernel.org
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc')
-rw-r--r-- | tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc | 1 |
1 files changed, 1 insertions, 0 deletions
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 b55c84003587..d8c7bb6581fe 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc @@ -11,3 +11,4 @@ echo 1 > events/kprobes/myevent/enable echo > kprobe_events && exit 1 # this must fail echo 0 > events/kprobes/myevent/enable echo > kprobe_events # this must succeed +clear_trace |