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| author | Yordan Karadzhov (VMware) <y.karadz@gmail.com> | 2021-04-15 21:18:50 +0300 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2021-04-15 14:50:01 -0400 |
| commit | f689e4f280b69cd7341743c2ecacd1b13528a0d8 (patch) | |
| tree | 37f7ddc7a540119de90efc4671abc93ecabd48e2 /kernel/trace/trace_selftest.c | |
| parent | eaa7a897206ac5bfa7da3f647686209ada1984d0 (diff) | |
tracing: Define new ftrace event "func_repeats"
The event aims to consolidate the function tracing record in the cases
when a single function is called number of times consecutively.
while (cond)
do_func();
This may happen in various scenarios (busy waiting for example).
The new ftrace event can be used to show repeated function events with
a single event and save space on the ring buffer
Link: https://lkml.kernel.org/r/20210415181854.147448-3-y.karadz@gmail.com
Signed-off-by: Yordan Karadzhov (VMware) <y.karadz@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_selftest.c')
0 files changed, 0 insertions, 0 deletions