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author | Masami Hiramatsu <mhiramat@kernel.org> | 2018-11-05 18:05:26 +0900 |
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committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2018-12-10 12:22:44 -0500 |
commit | dbc3f042fbc8d75392b128af0eafbcf357733dd6 (patch) | |
tree | 5665db6614b56049a429f59a381e63e360ba2f94 /tools/testing/selftests/ftrace/test.d/dynevent/add_remove_synth.tc | |
parent | tracing: Add generic event-name based remove event method (diff) | |
download | wireguard-linux-dbc3f042fbc8d75392b128af0eafbcf357733dd6.tar.xz wireguard-linux-dbc3f042fbc8d75392b128af0eafbcf357733dd6.zip |
selftests/ftrace: Add testcases for dynamic event
Add common testcases for dynamic_events interface.
- Add/remove kprobe events via dynamic_events
- Add/remove synthetic events via dynamic_events
- Selective clear events (clear events other interfaces)
- Genelic clear events ("!LINE" syntax)
Link: http://lkml.kernel.org/r/154140872590.17322.10394440849261743052.stgit@devbox
Reviewed-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Tested-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'tools/testing/selftests/ftrace/test.d/dynevent/add_remove_synth.tc')
-rw-r--r-- | tools/testing/selftests/ftrace/test.d/dynevent/add_remove_synth.tc | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_synth.tc b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_synth.tc new file mode 100644 index 000000000000..62b77b5941d0 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_synth.tc @@ -0,0 +1,27 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Generic dynamic event - add/remove synthetic events + +[ -f dynamic_events ] || exit_unsupported + +grep -q "s:\[synthetic/\]" README || exit_unsupported + +echo 0 > events/enable +echo > dynamic_events + +echo "s:latency1 u64 lat; pid_t pid;" >> dynamic_events +echo "s:latency2 u64 lat; pid_t pid;" >> dynamic_events + +grep -q latency1 dynamic_events +grep -q latency2 dynamic_events +test -d events/synthetic/latency1 +test -d events/synthetic/latency2 + +echo "-:synthetic/latency2" >> dynamic_events + +grep -q latency1 dynamic_events +! grep -q latency2 dynamic_events + +echo > dynamic_events + +clear_trace |