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Message-Id: <1420721547-26470-2-git-send-email-adrian.hunter@intel.com>
Date: Thu, 8 Jan 2015 14:52:05 +0200
From: Adrian Hunter <adrian.hunter@...el.com>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>,
linux-kernel@...r.kernel.org, David Ahern <dsahern@...il.com>,
Frederic Weisbecker <fweisbec@...il.com>,
Jiri Olsa <jolsa@...hat.com>,
Namhyung Kim <namhyung@...il.com>,
Paul Mackerras <paulus@...ba.org>,
Stephane Eranian <eranian@...gle.com>
Subject: [PATCH V4 01/23] perf header: Add Instruction Tracing feature
Add a feature to indicate that a perf.data file
contains Instruction Tracing data.
Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
---
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 b20e40c..0fe5301 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_itrace(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)
{
@@ -1163,6 +1170,12 @@ static void print_branch_stack(struct perf_header *ph __maybe_unused,
fprintf(fp, "# contains samples with branch stack\n");
}
+static void print_itrace(struct perf_header *ph __maybe_unused,
+ int fd __maybe_unused, FILE *fp)
+{
+ fprintf(fp, "# contains Instruction Traces\n");
+}
+
static void print_pmu_mappings(struct perf_header *ph, int fd __maybe_unused,
FILE *fp)
{
@@ -1873,6 +1886,7 @@ 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_ITRACE, itrace),
};
struct header_print_data {
diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
index 3bb90ac..990edcf 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_ITRACE,
HEADER_LAST_FEATURE,
HEADER_FEAT_BITS = 256,
};
--
1.9.1
--
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