From 4025ea4024c271cc0d993b8641249dce33a63fcc Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Thu, 9 Apr 2015 18:53:41 +0300 Subject: [PATCH] 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 Acked-by: Jiri Olsa Cc: David Ahern Cc: Frederic Weisbecker Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/r/1428594864-29309-2-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/header.c | 14 ++++++++++++++ tools/perf/util/header.h | 1 + 2 files changed, 15 insertions(+) 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, }; -- 2.30.2