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perf/core: Keep AUX flags in the output handle

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In preparation for adding more flags to perf AUX records, introduce a
separate API for setting the flags for a session, rather than appending
more bool arguments to perf_aux_output_end. This allows to set each
flag at the time a corresponding condition is detected, instead of
tracking it in each driver's private state.

Signed-off-by: Will Deacon <will.deacon@arm.com>
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/20170220133352.17995-3-alexander.shishkin@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Will Deacon 2017-02-20 15:33:50 +02:00 • committed by Ingo Molnar
parent ed827adb00
commit f4c0b0aa58
10 changed files with 56 additions and 49 deletions
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2
include/linux/coresight.h
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@ -201,7 +201,7 @@ struct coresight_ops_sink {
void *sink_config);
unsigned long (*reset_buffer)(struct coresight_device *csdev,
struct perf_output_handle *handle,
void *sink_config, bool *lost);
void *sink_config);
void (*update_buffer)(struct coresight_device *csdev,
struct perf_output_handle *handle,
void *sink_config);