(2014/11/06 11:04), Namhyung Kim wrote: > 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 > > Signed-off-by: Namhyung Kim <namhy...@kernel.org>
Acked-by: Masami Hiramatsu <masami.hiramatsu...@hitachi.com> Thank you! > --- > tools/testing/selftests/ftrace/test.d/kprobe/add_and_remove.tc | 1 + > tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc | 1 + > tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc | 1 + > tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_args.tc | 1 + > 4 files changed, 4 insertions(+) > > 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 1b8b665ab2b3..a5a426211129 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 > @@ -9,3 +9,4 @@ echo p:myevent do_fork > kprobe_events > grep myevent kprobe_events > test -d events/kprobes/myevent > echo > kprobe_events > +clear_trace > 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 > 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 a603d3f8db7b..c45ee2761354 100644 > --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc > +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc > @@ -12,5 +12,6 @@ echo 1 > events/kprobes/testprobe/enable > ( echo "forked") > echo 0 > events/kprobes/testprobe/enable > echo "-:testprobe" >> kprobe_events > +clear_trace > test -d events/kprobes/testprobe && exit 1 || 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 283c29e7f7c4..31717985acc7 100644 > --- a/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_args.tc > +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_args.tc > @@ -12,4 +12,5 @@ echo 1 > events/kprobes/testprobe2/enable > ( echo "forked") > echo 0 > events/kprobes/testprobe2/enable > echo '-:testprobe2' >> kprobe_events > +clear_trace > test -d events/kprobes/testprobe2 && exit 1 || exit 0 > -- Masami HIRAMATSU Software Platform Research Dept. Linux Technology Research Center Hitachi, Ltd., Yokohama Research Laboratory E-mail: masami.hiramatsu...@hitachi.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
