Messages in this thread | | | Date | Mon, 13 Apr 2015 18:06:06 -0400 | From | Steven Rostedt <> | Subject | Re: [PATCH] tracing: Increase stack skip on event trigger |
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On Thu, 26 Mar 2015 09:39:23 +0900 Namhyung Kim <namhyung@kernel.org> wrote:
> When 'stacktrace' trigger is used for event tracing, it should skip 4 > functions instead of 3. Otherwise it'll contain ftrace_raw_event_XXX > like below: > > # echo stacktrace > events/sched/sched_switch/trigger > # tail trace > => rcu_gp_kthread > => kthread > => ret_from_fork > ksoftirqd/0-3 [000] d..3 53.343993: <stack trace> > => ftrace_raw_event_sched_switch > => __schedule > => schedule > => smpboot_thread_fn > => kthread > => ret_from_fork > > Reported-by: Minchan Kim <minchan@kernel.org> > Cc: Tom Zanussi <tom.zanussi@linux.intel.com> > Signed-off-by: Namhyung Kim <namhyung@kernel.org> > ---
Hmm, this breaks when frame pointers are not enabled.
I may come up with something though.
-- Steve
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