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| author | Alexander Shishkin <alexander.shishkin@linux.intel.com> | 2019-10-25 17:08:35 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-11-13 11:06:16 +0100 |
| commit | 25e8920b301c133aeaa9f57d81295bf4ac78e17b (patch) | |
| tree | 46f7dea6e4e34e272035bf8a20081aa58ce6cde0 /arch/x86/events/intel/pt.h | |
| parent | 8e105a1fc2a02d78698834974083c980d2e5b513 (diff) | |
| download | linux-25e8920b301c133aeaa9f57d81295bf4ac78e17b.tar.bz2 | |
perf/x86/intel/pt: Add sampling support
Add AUX sampling support to the PT PMU: implement an NMI-safe callback
that takes a snapshot of the buffer without touching the event states.
This is done for PT events that don't use PMIs, that is, snapshot mode
(RO mapping of the AUX area).
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: adrian.hunter@intel.com
Cc: mathieu.poirier@linaro.org
Link: https://lkml.kernel.org/r/20191025140835.53665-4-alexander.shishkin@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/events/intel/pt.h')
0 files changed, 0 insertions, 0 deletions