Add markers into the wakeup code, to allow the tracer to record wakeup timings. Signed-off-by: Steven Rostedt --- kernel/sched.c | 8 ++++++++ 1 file changed, 8 insertions(+) Index: linux-mcount.git/kernel/sched.c =================================================================== --- linux-mcount.git.orig/kernel/sched.c 2008-01-25 21:47:21.000000000 -0500 +++ linux-mcount.git/kernel/sched.c 2008-01-25 21:47:30.000000000 -0500 @@ -1885,6 +1885,10 @@ static int try_to_wake_up(struct task_st out_activate: #endif /* CONFIG_SMP */ + trace_mark(kernel_sched_wakeup, + "p %p rq->curr %p", + p, rq->curr); + schedstat_inc(p, se.nr_wakeups); if (sync) schedstat_inc(p, se.nr_wakeups_sync); @@ -2026,6 +2030,10 @@ void fastcall wake_up_new_task(struct ta p->sched_class->task_new(rq, p); inc_nr_running(p, rq); } + trace_mark(kernel_sched_wakeup_new, + "p %p rq->curr %p", + p, rq->curr); + check_preempt_curr(rq, p); #ifdef CONFIG_SMP if (p->sched_class->task_wake_up) -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/