linux-kernel - [PATCH 09/21] perf tools: Introduce event_format_

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Message-Id: <1423688955-8094-10-git-send-email-acme@kernel.org>
Date:	Wed, 11 Feb 2015 18:09:03 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Borislav Petkov <bp@...e.de>, David Ahern <dsahern@...il.com>,
	Don Zickus <dzickus@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>, Mike Galbraith <efault@....de>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: [PATCH 09/21] perf tools: Introduce event_format__fprintf method

From: Arnaldo Carvalho de Melo <acme@...hat.com>

The existing one, event_format__print() uses stdout unconditionally,
and 'perf trace' needs to use it to format into a file that may have
been set by the user, i.e. 'trace -o file.output'.

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Borislav Petkov <bp@...e.de>
Cc: David Ahern <dsahern@...il.com>
Cc: Don Zickus <dzickus@...hat.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Mike Galbraith <efault@....de>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Cc: Steven Rostedt <rostedt@...dmis.org>
Link: http://lkml.kernel.org/n/tip-7l0mgm91hwg0bby00s5pse8r@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/trace-event-parse.c | 12 +++++++++---
 tools/perf/util/trace-event.h       |  3 +++
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
index c36636fd825b..25d6c737be3e 100644
--- a/tools/perf/util/trace-event-parse.c
+++ b/tools/perf/util/trace-event-parse.c
@@ -112,8 +112,8 @@ unsigned long long read_size(struct event_format *event, void *ptr, int size)
 	return pevent_read_number(event->pevent, ptr, size);
 }
 
-void event_format__print(struct event_format *event,
-			 int cpu, void *data, int size)
+void event_format__fprintf(struct event_format *event,
+			   int cpu, void *data, int size, FILE *fp)
 {
 	struct pevent_record record;
 	struct trace_seq s;
@@ -125,10 +125,16 @@ void event_format__print(struct event_format *event,
 
 	trace_seq_init(&s);
 	pevent_event_info(&s, event, &record);
-	trace_seq_do_printf(&s);
+	trace_seq_do_fprintf(&s, fp);
 	trace_seq_destroy(&s);
 }
 
+void event_format__print(struct event_format *event,
+			 int cpu, void *data, int size)
+{
+	return event_format__fprintf(event, cpu, data, size, stdout);
+}
+
 void parse_proc_kallsyms(struct pevent *pevent,
 			 char *file, unsigned int size __maybe_unused)
 {
diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h
index 52aaa19e1eb1..356629a30ca9 100644
--- a/tools/perf/util/trace-event.h
+++ b/tools/perf/util/trace-event.h
@@ -23,6 +23,9 @@ trace_event__tp_format(const char *sys, const char *name);
 
 int bigendian(void);
 
+void event_format__fprintf(struct event_format *event,
+			   int cpu, void *data, int size, FILE *fp);
+
 void event_format__print(struct event_format *event,
 			 int cpu, void *data, int size);
 
-- 
1.9.3

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