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authorMasami Hiramatsu (Google) <mhiramat@kernel.org>2025-11-12 22:13:01 +0900
committerShuah Khan <skhan@linuxfoundation.org>2025-11-19 15:55:14 -0700
commita2f7990d330937a204b86b9cafbfef82f87a8693 (patch)
tree1fca73ae7682e85fec1908481e79c585aff98d04 /tools
parenta1ca238936aee3898216f6f7b2f91771aa858504 (diff)
downloadnet-a2f7990d330937a204b86b9cafbfef82f87a8693.tar.gz
selftests: tracing: Update fprobe selftest for ftrace based fprobe
Since the ftrace fprobe is both fgraph and ftrace based implemented, the selftest needs to be updated. This does not count the actual number of lines, but just check the differences. Link: https://lore.kernel.org/r/176295318112.431538.11780280333728368327.stgit@devnote2 Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Diffstat (limited to 'tools')
-rw-r--r--tools/testing/selftests/ftrace/test.d/dynevent/add_remove_fprobe.tc18
1 files changed, 4 insertions, 14 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_fprobe.tc b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_fprobe.tc
index 2506f464811b76..47067a5e3cb03c 100644
--- a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_fprobe.tc
+++ b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_fprobe.tc
@@ -28,25 +28,21 @@ test -d events/fprobes/myevent1
test -d events/fprobes/myevent2
echo 1 > events/fprobes/myevent1/enable
-# Make sure the event is attached and is the only one
+# Make sure the event is attached.
grep -q $PLACE enabled_functions
cnt=`cat enabled_functions | wc -l`
-if [ $cnt -ne $((ocnt + 1)) ]; then
+if [ $cnt -eq $ocnt ]; then
exit_fail
fi
echo 1 > events/fprobes/myevent2/enable
-# It should till be the only attached function
-cnt=`cat enabled_functions | wc -l`
-if [ $cnt -ne $((ocnt + 1)) ]; then
- exit_fail
-fi
+cnt2=`cat enabled_functions | wc -l`
echo 1 > events/fprobes/myevent3/enable
# If the function is different, the attached function should be increased
grep -q $PLACE2 enabled_functions
cnt=`cat enabled_functions | wc -l`
-if [ $cnt -ne $((ocnt + 2)) ]; then
+if [ $cnt -eq $cnt2 ]; then
exit_fail
fi
@@ -56,12 +52,6 @@ echo "-:myevent2" >> dynamic_events
grep -q myevent1 dynamic_events
! grep -q myevent2 dynamic_events
-# should still have 2 left
-cnt=`cat enabled_functions | wc -l`
-if [ $cnt -ne $((ocnt + 2)) ]; then
- exit_fail
-fi
-
echo 0 > events/fprobes/enable
echo > dynamic_events