linux-kernel - [tip:perf/core] tools lib traceevent: Introduce trace_seq_do

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Date:	Wed, 18 Feb 2015 10:26:38 -0800
From:	tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	tglx@...utronix.de, rostedt@...dmis.org, eranian@...gle.com,
	bp@...e.de, fweisbec@...il.com, dzickus@...hat.com, efault@....de,
	hpa@...or.com, mingo@...nel.org, adrian.hunter@...el.com,
	peterz@...radead.org, acme@...hat.com,
	linux-kernel@...r.kernel.org, namhyung@...nel.org,
	dsahern@...il.com, jolsa@...hat.com
Subject: [tip:perf/core] tools lib traceevent:
  Introduce trace_seq_do_fprintf function

Commit-ID:  402bb4e6ec6507ccbb2e556d7996bbc989db7f27
Gitweb:     http://git.kernel.org/tip/402bb4e6ec6507ccbb2e556d7996bbc989db7f27
Author:     Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Tue, 3 Feb 2015 12:44:09 -0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Fri, 6 Feb 2015 11:46:37 +0100

tools lib traceevent: Introduce trace_seq_do_fprintf function

So that we can specify a FILE object where to direct the formatted
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-a49bhdrx8851f04hppn8bqxq@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/lib/traceevent/event-parse.h |  2 ++
 tools/lib/traceevent/trace-seq.c   | 13 +++++++++----
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h
index 7a3873f..5b4efc0 100644
--- a/tools/lib/traceevent/event-parse.h
+++ b/tools/lib/traceevent/event-parse.h
@@ -22,6 +22,7 @@
 
 #include <stdbool.h>
 #include <stdarg.h>
+#include <stdio.h>
 #include <regex.h>
 #include <string.h>
 
@@ -91,6 +92,7 @@ extern int trace_seq_putc(struct trace_seq *s, unsigned char c);
 
 extern void trace_seq_terminate(struct trace_seq *s);
 
+extern int trace_seq_do_fprintf(struct trace_seq *s, FILE *fp);
 extern int trace_seq_do_printf(struct trace_seq *s);
 
 
diff --git a/tools/lib/traceevent/trace-seq.c b/tools/lib/traceevent/trace-seq.c
index ec3bd16..292dc9f 100644
--- a/tools/lib/traceevent/trace-seq.c
+++ b/tools/lib/traceevent/trace-seq.c
@@ -231,19 +231,24 @@ void trace_seq_terminate(struct trace_seq *s)
 	s->buffer[s->len] = 0;
 }
 
-int trace_seq_do_printf(struct trace_seq *s)
+int trace_seq_do_fprintf(struct trace_seq *s, FILE *fp)
 {
 	TRACE_SEQ_CHECK(s);
 
 	switch (s->state) {
 	case TRACE_SEQ__GOOD:
-		return printf("%.*s", s->len, s->buffer);
+		return fprintf(fp, "%.*s", s->len, s->buffer);
 	case TRACE_SEQ__BUFFER_POISONED:
-		puts("Usage of trace_seq after it was destroyed");
+		fprintf(fp, "%s\n", "Usage of trace_seq after it was destroyed");
 		break;
 	case TRACE_SEQ__MEM_ALLOC_FAILED:
-		puts("Can't allocate trace_seq buffer memory");
+		fprintf(fp, "%s\n", "Can't allocate trace_seq buffer memory");
 		break;
 	}
 	return -1;
 }
+
+int trace_seq_do_printf(struct trace_seq *s)
+{
+	return trace_seq_do_fprintf(s, stdout);
+}
--
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