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| author | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2021-07-07 18:14:51 +0200 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2021-07-08 19:01:51 +0200 |
| commit | fa73514d5e620c2bb48b63e1dd509ce0942c39cf (patch) | |
| tree | f9d8f64e6e48a143c6232a73fd7437ec9cc96abd /tools/testing | |
| parent | tracing/histograms: Fix parsing of "sym-offset" modifier (diff) | |
| download | linux-fa73514d5e620c2bb48b63e1dd509ce0942c39cf.tar.xz linux-fa73514d5e620c2bb48b63e1dd509ce0942c39cf.zip | |
tracing/selftests: Add tests to test histogram sym and sym-offset modifiers
Add a test to the tracing selftests that will catch if the .sym or
.sym-offset modifiers break in the future.
Link: https://lkml.kernel.org/r/20210707121451.101a1002@oasis.local.home
Acked-by: Tom Zanussi <zanussi@kernel.org>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'tools/testing')
| -rw-r--r-- | tools/testing/selftests/ftrace/test.d/trigger/trigger-hist.tc | 18 |
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 |