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RTLA fixes for v7.2

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- Fix timerlat top actions triggering on signal
 
   Fix a bug in RTLA's timerlat top actions feature where on-threshold
   actions are triggered on any signal, regardless of whether a latency
   spike had actually occurred during the measurement.
 
   The return retval was checked for non-zero to do actions. But if a
   signal came in, it returns a negative and actions were being
   incorrectly triggered when they should not have been.
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Merge tag 'trace-tools-v7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull RTLA fix from Steven Rostedt:

 - Fix timerlat top actions triggering on signal

   Fix a bug in RTLA's timerlat top actions feature where on-threshold
   actions are triggered on any signal, regardless of whether a latency
   spike had actually occurred during the measurement.

   The return retval was checked for non-zero to do actions. But if a
   signal came in, it returns a negative and actions were being
   incorrectly triggered when they should not have been.

* tag 'trace-tools-v7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  rtla/timerlat_top: Fix on-threshold actions firing on signal
This commit is contained in:
Linus Torvalds 2026-07-31 13:25:45 -07:00
commit ce6ce829c8
1 changed files with 1 additions and 1 deletions
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2
tools/tracing/rtla/src/timerlat_top.c
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@ -536,7 +536,7 @@ timerlat_top_bpf_main_loop(struct osnoise_tool *tool)
if (!params->quiet)
timerlat_print_stats(tool);
if (wait_retval != 0) {
if (wait_retval > 0) {
/* Stopping requested by tracer */
retval = common_threshold_handler(tool);
if (retval)