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ftrace: fix comm on function trace output

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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>
This commit is contained in:
Steven Rostedt
2008-05-12 21:21:00 +02:00
committed by Thomas Gleixner
parent 4fcdae83ce
commit 25b0b44a1c
4 changed files with 15 additions and 3 deletions
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2
kernel/trace/trace_functions.c
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@@ -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)