diff options
| author | Alexander Shishkin <alexander.shishkin@linux.intel.com> | 2016-03-04 15:42:47 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-03-31 10:30:43 +0200 |
| commit | af5bb4ed1254a378b6028c09e58bdcc1cd9bf5b3 (patch) | |
| tree | 06478f4db9a7a52783a90447c227ba2e9afeb389 /arch/x86/events/intel/pt.c | |
| parent | 95ff4ca26c492fc1ed7751f5dd7ab7674b54f4e0 (diff) | |
perf/ring_buffer: Document AUX API usage
In order to ensure safe AUX buffer management, we rely on the assumption
that pmu::stop() stops its ongoing AUX transaction and not just the hw.
This patch documents this requirement for the perf_aux_output_{begin,end}()
APIs.
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@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: vince@deater.net
Link: http://lkml.kernel.org/r/1457098969-21595-4-git-send-email-alexander.shishkin@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/events/intel/pt.c')
0 files changed, 0 insertions, 0 deletions