linux-kernel - [PATCH 22/56] perf tools: Add perf_event__fprintf_attr

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Date:	Tue,  6 Oct 2015 21:55:01 +0200
From:	Jiri Olsa <jolsa@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	"Liang, Kan" <kan.liang@...el.com>
Subject: [PATCH 22/56] perf tools: Add perf_event__fprintf_attr_update function

To display attr_update event for raw dump.

Link: http://lkml.kernel.org/n/tip-ch2nor544486ppvwscqg55ik@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/perf/util/header.c | 25 +++++++++++++++++++++++++
 tools/perf/util/header.h |  1 +
 2 files changed, 26 insertions(+)

diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 2009f1fd1188..f35e8355cb1f 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -2760,6 +2760,31 @@ perf_event__synthesize_attr_update_name(struct perf_tool *tool,
 	return err;
 }
 
+size_t perf_event__fprintf_attr_update(union perf_event *event, FILE *fp)
+{
+	struct attr_update_event *ev = &event->attr_update;
+	size_t ret;
+
+	ret = fprintf(fp, "\n... id:    %" PRIu64 "\n", ev->id);
+
+	switch (ev->type) {
+	case PERF_ATTR_UPDATE__SCALE:
+		ret += fprintf(fp, "... scale: %f\n", ev->scale);
+		break;
+	case PERF_ATTR_UPDATE__UNIT:
+		ret += fprintf(fp, "... unit:  %s\n", ev->str);
+		break;
+	case PERF_ATTR_UPDATE__NAME:
+		ret += fprintf(fp, "... name:  %s\n", ev->str);
+		break;
+	default:
+		ret += fprintf(fp, "... unknown type\n");
+		break;
+	}
+
+	return ret;
+}
+
 int perf_event__synthesize_attrs(struct perf_tool *tool,
 				   struct perf_session *session,
 				   perf_event__handler_t process)
diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
index cb538ade38d3..d39fd61db4c0 100644
--- a/tools/perf/util/header.h
+++ b/tools/perf/util/header.h
@@ -119,6 +119,7 @@ int perf_event__process_attr(struct perf_tool *tool, union perf_event *event,
 int perf_event__process_attr_update(struct perf_tool *tool __maybe_unused,
 				    union perf_event *event,
 				    struct perf_evlist **pevlist);
+size_t perf_event__fprintf_attr_update(union perf_event *event, FILE *fp);
 
 int perf_event__synthesize_tracing_data(struct perf_tool *tool,
 					int fd, struct perf_evlist *evlist,
-- 
2.4.3

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