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authorLinus Torvalds <torvalds@linux-foundation.org>2021-07-09 11:15:09 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-07-09 11:15:09 -0700
commit5a7f7fc5ddbbf9bf63eaa8cb9a0d254ab984f3d6 (patch)
tree65ec468e9d6623b338e6bbf19f0973a37eca9f9e /tools/testing/selftests/ftrace
parentMerge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost (diff)
parentftrace: Use list_move instead of list_del/list_add (diff)
downloadlinux-dev-5a7f7fc5ddbbf9bf63eaa8cb9a0d254ab984f3d6.tar.xz
linux-dev-5a7f7fc5ddbbf9bf63eaa8cb9a0d254ab984f3d6.zip
Merge tag 'trace-v5.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fix and cleanup from Steven Rostedt: "Tracing fix for histograms and a clean up in ftrace: - Fixed a bug that broke the .sym-offset modifier and added a test to make sure nothing breaks it again. - Replace a list_del/list_add() with a list_move()" * tag 'trace-v5.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: ftrace: Use list_move instead of list_del/list_add tracing/selftests: Add tests to test histogram sym and sym-offset modifiers tracing/histograms: Fix parsing of "sym-offset" modifier
Diffstat (limited to 'tools/testing/selftests/ftrace')
-rw-r--r--tools/testing/selftests/ftrace/test.d/trigger/trigger-hist.tc18
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist.tc
index 2950bfbc6fce..adae72665500 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist.tc
@@ -39,6 +39,24 @@ grep "parent_comm: $COMM" events/sched/sched_process_fork/hist > /dev/null || \
reset_trigger
+echo "Test histogram with sym modifier"
+
+echo 'hist:keys=call_site.sym' > events/kmem/kmalloc/trigger
+for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
+grep '{ call_site: \[[0-9a-f][0-9a-f]*\] [_a-zA-Z][_a-zA-Z]* *}' events/kmem/kmalloc/hist > /dev/null || \
+ fail "sym modifier on kmalloc call_site did not work"
+
+reset_trigger
+
+echo "Test histogram with sym-offset modifier"
+
+echo 'hist:keys=call_site.sym-offset' > events/kmem/kmalloc/trigger
+for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
+grep '{ call_site: \[[0-9a-f][0-9a-f]*\] [_a-zA-Z][_a-zA-Z]*+0x[0-9a-f][0-9a-f]*' events/kmem/kmalloc/hist > /dev/null || \
+ fail "sym-offset modifier on kmalloc call_site did not work"
+
+reset_trigger
+
echo "Test histogram with sort key"
echo 'hist:keys=parent_pid,child_pid:sort=child_pid.ascending' > events/sched/sched_process_fork/trigger