[GIT PULL] tracing fixes

From: Ingo Molnar
Date: Thu Apr 16 2009 - 21:02:23 EST


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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