perf/x86/intel/pt: Add support for pause / resume

Browse source

Prevent tracing to start if aux_paused.

Implement support for PERF_EF_PAUSE / PERF_EF_RESUME. When aux_paused, stop
tracing. When not aux_paused, only start tracing if it isn't currently
meant to be stopped.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Link: https://lkml.kernel.org/r/20241022155920.17511-4-adrian.hunter@intel.com

...

This commit is contained in:

Adrian Hunter 2024-10-22 18:59:09 +03:00 • committed by Peter Zijlstra

parent 18d92bb57c

commit 08c7454ceb

2 changed files with 74 additions and 3 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

73

arch/x86/events/intel/pt.c

View file

4

arch/x86/events/intel/pt.h

View file