aboutsummaryrefslogtreecommitdiffstats
path: root/tools/testing/selftests
diff options
context:
space:
mode:
authorNamhyung Kim <namhyung@kernel.org>2014-11-06 11:04:29 +0900
committerSteven Rostedt <rostedt@goodmis.org>2014-11-06 08:39:39 -0500
commitce1ac64b930a9f702cc89af590728df6b345ab31 (patch)
tree6099d357102dbd729d544440a68d505ceb3ecab4 /tools/testing/selftests
parentftracetest: Use logfile name supported by busybox's mktemp (diff)
downloadlinux-dev-ce1ac64b930a9f702cc89af590728df6b345ab31.tar.xz
linux-dev-ce1ac64b930a9f702cc89af590728df6b345ab31.zip
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')
-rw-r--r--tools/testing/selftests/ftrace/test.d/kprobe/add_and_remove.tc1
-rw-r--r--tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc1
-rw-r--r--tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args.tc1
-rw-r--r--tools/testing/selftests/ftrace/test.d/kprobe/kretprobe_args.tc1
4 files changed, 4 insertions, 0 deletions
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