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perf/core: Check sample_type in perf_sample_save_brstack
authorYabin Cui <yabinc@google.com>
Wed, 15 May 2024 19:36:09 +0000 (12:36 -0700)
committerIngo Molnar <mingo@kernel.org>
Tue, 19 Nov 2024 08:23:42 +0000 (09:23 +0100)
commitfaac6f105ef169e2e5678c14e1ffebf2a7d780b6
treec16e4ff16f3e89e6b58192f93e850733ac9f2ebdtree | snapshot
parentf226805bc5f60adf03783d8e4cbfe303ccecd64ecommit | diff
perf/core: Check sample_type in perf_sample_save_brstack

Check sample_type in perf_sample_save_brstack() to prevent
saving branch stack data when it isn't required.

Suggested-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Yabin Cui <yabinc@google.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Ian Rogers <irogers@google.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240515193610.2350456-4-yabinc@google.com
arch/x86/events/amd/core.c diff | blob | blame | history
arch/x86/events/core.c diff | blob | blame | history
arch/x86/events/intel/ds.c diff | blob | blame | history
include/linux/perf_event.h diff | blob | blame | history
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