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Date: Tue, 16 Dec 2008 08:57:24 +0100 From: Peter Zijlstra <peterz@...radead.org> To: Ingo Molnar <mingo@...e.hu> Cc: Jason Baron <jbaron@...hat.com>, Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>, linux-kernel <linux-kernel@...r.kernel.org>, Steven Rostedt <srostedt@...hat.com> Subject: Re: sched: trace: update trace_sched_wakeup() On Tue, 2008-12-16 at 08:07 +0100, Peter Zijlstra wrote: > Add the information needed to distinguish 'real' wakeups from 'false' > wakeups. I don't seem to be doing so well this morning... Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl> Thanks Dhaval! > --- > include/trace/sched.h | 4 ++-- > kernel/sched.c | 2 +- > kernel/trace/trace_sched_switch.c | 2 +- > kernel/trace/trace_sched_wakeup.c | 2 +- > 4 files changed, 5 insertions(+), 5 deletions(-) > > diff --git a/include/trace/sched.h b/include/trace/sched.h > index 9b2854a..a0861d2 100644 > --- a/include/trace/sched.h > +++ b/include/trace/sched.h > @@ -17,8 +17,8 @@ DECLARE_TRACE(sched_wait_task, > TPARGS(rq, p)); > > DECLARE_TRACE(sched_wakeup, > - TPPROTO(struct rq *rq, struct task_struct *p), > - TPARGS(rq, p)); > + TPPROTO(struct rq *rq, struct task_struct *p, int success), > + TPARGS(rq, p, success)); > > DECLARE_TRACE(sched_wakeup_new, > TPPROTO(struct rq *rq, struct task_struct *p), > diff --git a/kernel/sched.c b/kernel/sched.c > index 0eff15b..953ded9 100644 > --- a/kernel/sched.c > +++ b/kernel/sched.c > @@ -2329,7 +2329,7 @@ out_activate: > success = 1; > > out_running: > - trace_sched_wakeup(rq, p); > + trace_sched_wakeup(rq, p, success); > check_preempt_curr(rq, p, sync); > > p->state = TASK_RUNNING; > diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c > index 8633905..d4db564 100644 > --- a/kernel/trace/trace_sched_switch.c > +++ b/kernel/trace/trace_sched_switch.c > @@ -49,7 +49,7 @@ probe_sched_switch(struct rq *__rq, struct task_struct *prev, > } > > static void > -probe_sched_wakeup(struct rq *__rq, struct task_struct *wakee) > +probe_sched_wakeup(struct rq *__rq, struct task_struct *wakee, int success) > { > struct trace_array_cpu *data; > unsigned long flags; > diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c > index 0067b49..43586b6 100644 > --- a/kernel/trace/trace_sched_wakeup.c > +++ b/kernel/trace/trace_sched_wakeup.c > @@ -211,7 +211,7 @@ static void wakeup_reset(struct trace_array *tr) > } > > static void > -probe_wakeup(struct rq *rq, struct task_struct *p) > +probe_wakeup(struct rq *rq, struct task_struct *p, int success) > { > int cpu = smp_processor_id(); > unsigned long flags; > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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