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authorSteven Rostedt <rostedt@goodmis.org>2008-05-12 21:21:00 +0200
committerThomas Gleixner <tglx@linutronix.de>2008-05-23 21:52:12 +0200
commit25b0b44a1c732ccfc58095cdd8438955a0a19fff (patch)
tree68d2577cc12d6fc6cf14508cdf2ce8fbbf85032b /kernel/trace/trace_functions.c
parent4fcdae83cebda24b519a89d3dd976081fff1ca80 (diff)
downloadop-kernel-dev-25b0b44a1c732ccfc58095cdd8438955a0a19fff.zip
op-kernel-dev-25b0b44a1c732ccfc58095cdd8438955a0a19fff.tar.gz
ftrace: fix comm on function trace output
In cleaning up of the sched_switch code, the function trace recording of task comms was removed. This patch adds back the recording of comms for function trace. The output of ftrace now has the task comm instead of <...>. Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/trace/trace_functions.c')
-rw-r--r--kernel/trace/trace_functions.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/trace/trace_functions.c b/kernel/trace/trace_functions.c
index 4165d34..0a08465 100644
--- a/kernel/trace/trace_functions.c
+++ b/kernel/trace/trace_functions.c
@@ -29,12 +29,14 @@ static void function_reset(struct trace_array *tr)
static void start_function_trace(struct trace_array *tr)
{
function_reset(tr);
+ atomic_inc(&trace_record_cmdline_enabled);
tracing_start_function_trace();
}
static void stop_function_trace(struct trace_array *tr)
{
tracing_stop_function_trace();
+ atomic_dec(&trace_record_cmdline_enabled);
}
static void function_trace_init(struct trace_array *tr)
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