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ftrace: add thread comm to function graph tracer

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Impact: enhancement to function graph tracer

Export the trace_find_cmdline so the function graph tracer can
use it to print the comms of the threads.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Steven Rostedt
2008-11-26 00:16:26 -05:00
committed by Ingo Molnar
parent e53a6319cc
commit 660c7f9be9
3 changed files with 18 additions and 6 deletions
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kernel/trace/trace.c
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@@ -804,7 +804,7 @@ static void trace_save_cmdline(struct task_struct *tsk)
spin_unlock(&trace_cmdline_lock);
}
static char *trace_find_cmdline(int pid)
char *trace_find_cmdline(int pid)
{
char *cmdline = "<...>";
unsigned map;