linux-kernel - [GIT PULL] tracing fixes

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Message-ID: <20090417010145.GA7394@elte.hu>
Date:	Fri, 17 Apr 2009 03:01:45 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: [GIT PULL] tracing fixes

Linus,

Please pull the latest tracing-fixes-for-linus git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git tracing-fixes-for-linus

 Thanks,

	Ingo

------------------>
Zhaolei (2):
      tracing: Fix power tracer header
      tracing: Fix branch tracer header


 kernel/trace/trace_branch.c |    8 ++++++++
 kernel/trace/trace_power.c  |    7 +++++++
 2 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c
index ad8c22e..8333715 100644
--- a/kernel/trace/trace_branch.c
+++ b/kernel/trace/trace_branch.c
@@ -155,6 +155,13 @@ static enum print_line_t trace_branch_print(struct trace_iterator *iter,
 	return TRACE_TYPE_HANDLED;
 }
 
+static void branch_print_header(struct seq_file *s)
+{
+	seq_puts(s, "#           TASK-PID    CPU#    TIMESTAMP  CORRECT"
+		"  FUNC:FILE:LINE\n");
+	seq_puts(s, "#              | |       |          |         |   "
+		"    |\n");
+}
 
 static struct trace_event trace_branch_event = {
 	.type		= TRACE_BRANCH,
@@ -169,6 +176,7 @@ static struct tracer branch_trace __read_mostly =
 #ifdef CONFIG_FTRACE_SELFTEST
 	.selftest	= trace_selftest_startup_branch,
 #endif /* CONFIG_FTRACE_SELFTEST */
+	.print_header	= branch_print_header,
 };
 
 __init static int init_branch_tracer(void)
diff --git a/kernel/trace/trace_power.c b/kernel/trace/trace_power.c
index bae791e..1184397 100644
--- a/kernel/trace/trace_power.c
+++ b/kernel/trace/trace_power.c
@@ -186,6 +186,12 @@ static enum print_line_t power_print_line(struct trace_iterator *iter)
 	return TRACE_TYPE_UNHANDLED;
 }
 
+static void power_print_header(struct seq_file *s)
+{
+	seq_puts(s, "#   TIMESTAMP      STATE  EVENT\n");
+	seq_puts(s, "#       |            |      |\n");
+}
+
 static struct tracer power_tracer __read_mostly =
 {
 	.name		= "power",
@@ -194,6 +200,7 @@ static struct tracer power_tracer __read_mostly =
 	.stop		= stop_power_trace,
 	.reset		= power_trace_reset,
 	.print_line	= power_print_line,
+	.print_header	= power_print_header,
 };
 
 static int init_power_trace(void)
--
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