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perf header: Add AUX area tracing feature 

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

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Jiri 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: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2015-04-09 18:53:41 +03:00 committed by Arnaldo Carvalho de Melo
parent d4ae421392
commit 4025ea4024
2 changed files with 15 additions and 0 deletions
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14
tools/perf/util/header.c
View File

@ -869,6 +869,13 @@ static int write_branch_stack(int fd __maybe_unused,
return 0; 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, static void print_hostname(struct perf_header *ph, int fd __maybe_unused,
FILE *fp) 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"); 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, static void print_pmu_mappings(struct perf_header *ph, int fd __maybe_unused,
FILE *fp) FILE *fp)
{ {
@ -1861,6 +1874,7 @@ static const struct feature_ops feat_ops[HEADER_LAST_FEATURE] = {
FEAT_OPA(HEADER_BRANCH_STACK, branch_stack), FEAT_OPA(HEADER_BRANCH_STACK, branch_stack),
FEAT_OPP(HEADER_PMU_MAPPINGS, pmu_mappings), FEAT_OPP(HEADER_PMU_MAPPINGS, pmu_mappings),
FEAT_OPP(HEADER_GROUP_DESC, group_desc), FEAT_OPP(HEADER_GROUP_DESC, group_desc),
FEAT_OPA(HEADER_AUXTRACE, auxtrace),
}; };
struct header_print_data { struct header_print_data {

1
tools/perf/util/header.h
View File

@ -30,6 +30,7 @@ enum {
HEADER_BRANCH_STACK, HEADER_BRANCH_STACK,
HEADER_PMU_MAPPINGS, HEADER_PMU_MAPPINGS,
HEADER_GROUP_DESC, HEADER_GROUP_DESC,
HEADER_AUXTRACE,
HEADER_LAST_FEATURE, HEADER_LAST_FEATURE,
HEADER_FEAT_BITS = 256, HEADER_FEAT_BITS = 256,
}; };