linux-kernel - [PATCH 3/3] perf: mark a dso if it's used

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Date:	Mon,  6 Aug 2012 14:01:59 +0400
From:	Andrew Vagin <avagin@...nvz.org>
To:	linux-kernel@...r.kernel.org
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Subject: [PATCH 3/3] perf: mark a dso if it's used

Otherwise they will be not written in an output file.

Signed-off-by: Andrew Vagin <avagin@...nvz.org>
---
 tools/perf/builtin-inject.c |   11 +++++++++--
 tools/perf/util/build-id.c  |    2 +-
 tools/perf/util/build-id.h  |    5 +++++
 3 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
index 247f41c..cb2fd77 100644
--- a/tools/perf/builtin-inject.c
+++ b/tools/perf/builtin-inject.c
@@ -14,6 +14,7 @@
 
 #include "util/parse-options.h"
 #include "util/trace-event.h"
+#include "util/build-id.h"
 
 
 static char		const *input_name	= "-";
@@ -281,13 +282,17 @@ static int perf_event__sched_stat(struct perf_tool *tool,
 
 		event_sw = &ent->event[0];
 		perf_session__parse_sample(session, event_sw, &sample_sw);
+
 		sample_sw.period = sample->period;
 		sample_sw.time = sample->time;
 		perf_session__synthesize_sample(session, event_sw, &sample_sw);
+
+		build_id__mark_dso_hit(tool, event_sw, &sample_sw, evsel, machine);
 		perf_event__repipe(tool, event_sw, &sample_sw, machine);
 		return 0;
 	}
 
+	build_id__mark_dso_hit(tool, event, sample, evsel, machine);
 	perf_event__repipe(tool, event, sample, machine);
 
 	return 0;
@@ -321,12 +326,14 @@ static int __cmd_inject(void)
 
 	signal(SIGINT, sig_handler);
 
-	if (inject_build_ids) {
+	if (inject_build_ids || inject_sched_stat) {
 		perf_inject.sample	 = perf_event__inject_buildid;
 		perf_inject.mmap	 = perf_event__repipe_mmap;
 		perf_inject.fork	 = perf_event__repipe_task;
 		perf_inject.tracing_data = perf_event__repipe_tracing_data;
-	} else if (inject_sched_stat) {
+	}
+
+	if (inject_sched_stat) {
 		perf_inject.sample	= perf_event__sched_stat;
 		perf_inject.ordered_samples = true;
 	}
diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index fd9a594..9ce0e11 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -16,7 +16,7 @@
 #include "session.h"
 #include "tool.h"
 
-static int build_id__mark_dso_hit(struct perf_tool *tool __used,
+int build_id__mark_dso_hit(struct perf_tool *tool __used,
 				  union perf_event *event,
 				  struct perf_sample *sample __used,
 				  struct perf_evsel *evsel __used,
diff --git a/tools/perf/util/build-id.h b/tools/perf/util/build-id.h
index a993ba8..032a968 100644
--- a/tools/perf/util/build-id.h
+++ b/tools/perf/util/build-id.h
@@ -7,4 +7,9 @@ extern struct perf_tool build_id__mark_dso_hit_ops;
 
 char *dso__build_id_filename(struct dso *self, char *bf, size_t size);
 
+int build_id__mark_dso_hit(struct perf_tool *tool __used,
+				  union perf_event *event,
+				  struct perf_sample *sample __used,
+				  struct perf_evsel *evsel __used,
+				  struct machine *machine);
 #endif
-- 
1.7.1

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