git.kernel.dk Git - linux-block.git/commit

author	Adrian Hunter <adrian.hunter@intel.com>
	Tue, 22 Oct 2024 15:59:09 +0000 (18:59 +0300)
committer	Peter Zijlstra <peterz@infradead.org>
	Tue, 5 Nov 2024 11:55:44 +0000 (12:55 +0100)
commit	08c7454ceb948d773fcd0ff7b6fb9c315e2f801a
tree	72d43d5ff1edee0aeb59c8c3b0e728be8b1734c0	tree
parent	18d92bb57c39504d9da11c6ef604f58eb1d5a117	commit \| diff

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

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

arch/x86/events/intel/pt.c		diff \| blob \| blame \| history
arch/x86/events/intel/pt.h		diff \| blob \| blame \| history