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| author | Adrian Hunter | 2015-04-09 17:53:41 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo | 2015-04-29 15:37:49 +0200 |
| commit | 4025ea4024c271cc0d993b8641249dce33a63fcc (patch) | |
| tree | 6e7ef1d0f6125bec0f3b7442dcf50d7205f57bfe /tools | |
| parent | perf data: Fix signedness of value (diff) | |
| download | kernel-qcow2-linux-4025ea4024c271cc0d993b8641249dce33a63fcc.tar.gz kernel-qcow2-linux-4025ea4024c271cc0d993b8641249dce33a63fcc.tar.xz kernel-qcow2-linux-4025ea4024c271cc0d993b8641249dce33a63fcc.zip | |
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>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/header.c | 14 | ||||
| -rw-r--r-- | tools/perf/util/header.h | 1 |
2 files changed, 15 insertions, 0 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 918fd8ae2d80..589c28028379 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -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 { diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index 3bb90ac172a1..d4d57962c591 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -30,6 +30,7 @@ enum { HEADER_BRANCH_STACK, HEADER_PMU_MAPPINGS, HEADER_GROUP_DESC, + HEADER_AUXTRACE, HEADER_LAST_FEATURE, HEADER_FEAT_BITS = 256, }; |