On Thu, 26 Mar 2015 09:39:23 +0900 Namhyung Kim <[email protected]> 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 <[email protected]> > Cc: Tom Zanussi <[email protected]> > Signed-off-by: Namhyung Kim <[email protected]> > --- Hmm, this breaks when frame pointers are not enabled. I may come up with something though. -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

