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Commit 4025ea40 authored by Adrian Hunter's avatar Adrian Hunter Committed by Arnaldo Carvalho de Melo
Browse files

perf header: Add AUX area tracing feature 



Add a feature to indicate that a perf.data file contains AUX area data.

Signed-off-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Acked-by: default avatarJiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1428594864-29309-2-git-send-email-adrian.hunter@intel.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent d4ae4213

tools/perf/util/header.c

+14 −0
Original line number Diff line number Diff line
@@ -869,6 +869,13 @@ static int write_branch_stack(int fd __maybe_unused, 
	return 0;

}



static int write_auxtrace(int fd __maybe_unused,

			  struct perf_header *h __maybe_unused,

			  struct perf_evlist *evlist __maybe_unused)

{

	return 0;

}



static void print_hostname(struct perf_header *ph, int fd __maybe_unused,

			   FILE *fp)

{
@@ -1151,6 +1158,12 @@ static void print_branch_stack(struct perf_header *ph __maybe_unused, 
	fprintf(fp, "# contains samples with branch stack\n");

}



static void print_auxtrace(struct perf_header *ph __maybe_unused,

			   int fd __maybe_unused, FILE *fp)

{

	fprintf(fp, "# contains AUX area data (e.g. instruction trace)\n");

}



static void print_pmu_mappings(struct perf_header *ph, int fd __maybe_unused,

			       FILE *fp)

{
@@ -1861,6 +1874,7 @@ static const struct feature_ops feat_ops[HEADER_LAST_FEATURE] = { 
	FEAT_OPA(HEADER_BRANCH_STACK,	branch_stack),

	FEAT_OPP(HEADER_PMU_MAPPINGS,	pmu_mappings),

	FEAT_OPP(HEADER_GROUP_DESC,	group_desc),

	FEAT_OPA(HEADER_AUXTRACE,	auxtrace),

};



struct header_print_data {

tools/perf/util/header.h

+1 −0
Original line number Diff line number Diff line
@@ -30,6 +30,7 @@ enum { 
	HEADER_BRANCH_STACK,

	HEADER_PMU_MAPPINGS,

	HEADER_GROUP_DESC,

	HEADER_AUXTRACE,

	HEADER_LAST_FEATURE,

	HEADER_FEAT_BITS	= 256,

};