From: Peter Zijlstra <peterz@infradead.org>
To: Daniel Bristot de Oliveira <bristot@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>,
Ingo Molnar <mingo@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
Juri Lelli <juri.lelli@arm.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
LKML <linux-kernel@vger.kernel.org>,
linux-rt-users <linux-rt-users@vger.kernel.org>
Subject: Re: [PATCH V2 3/3] sched/deadline: Tracepoints for deadline scheduler
Date: Tue, 29 Mar 2016 17:16:49 +0200 [thread overview]
Message-ID: <20160329151649.GA12845@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <14f6caa05f73ceba69eff035ac542cad671552b3.1459182044.git.bristot@redhat.com>
On Mon, Mar 28, 2016 at 01:50:51PM -0300, Daniel Bristot de Oliveira wrote:
> @@ -733,7 +738,9 @@ static void update_curr_dl(struct rq *rq)
>
> throttle:
> if (dl_runtime_exceeded(dl_se) || dl_se->dl_yielded) {
> + trace_sched_deadline_yield(&rq->curr->dl);
> dl_se->dl_throttled = 1;
> + trace_sched_deadline_throttle(dl_se);
This is just really very sad.
> __dequeue_task_dl(rq, curr, 0);
> if (unlikely(dl_se->dl_boosted || !start_dl_timer(curr)))
> enqueue_task_dl(rq, curr, ENQUEUE_REPLENISH);
> @@ -910,6 +917,7 @@ enqueue_dl_entity(struct sched_dl_entity *dl_se,
> static void dequeue_dl_entity(struct sched_dl_entity *dl_se)
> {
> __dequeue_dl_entity(dl_se);
> + trace_sched_deadline_block(dl_se);
> }
And that's just not going to happen.
next prev parent reply other threads:[~2016-03-29 15:16 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-28 16:50 [PATCH V2 0/3] Tracepoints for deadline scheduler Daniel Bristot de Oliveira
2016-03-28 16:50 ` [PATCH V2 1/3] tracing: Add __print_ns_to_secs() and __print_ns_without_secs() helpers Daniel Bristot de Oliveira
2016-03-28 16:50 ` [PATCH V2 2/3] sched: Move deadline container_of() helper functions into sched.h Daniel Bristot de Oliveira
2016-03-28 16:50 ` [PATCH V2 3/3] sched/deadline: Tracepoints for deadline scheduler Daniel Bristot de Oliveira
2016-03-29 15:16 ` Peter Zijlstra [this message]
2016-03-29 15:57 ` Steven Rostedt
2016-03-29 16:04 ` Peter Zijlstra
2016-03-29 17:10 ` Steven Rostedt
2016-03-29 20:11 ` Peter Zijlstra
2016-03-29 20:29 ` Steven Rostedt
2016-03-29 20:46 ` Peter Zijlstra
2016-03-29 20:57 ` Daniel Bristot de Oliveira
2016-03-29 21:03 ` Peter Zijlstra
2016-03-29 21:49 ` Steven Rostedt
2016-03-29 17:37 ` Daniel Bristot de Oliveira
2016-03-29 18:10 ` Steven Rostedt
2016-03-29 16:10 ` Daniel Bristot de Oliveira
2016-03-29 17:13 ` Steven Rostedt
2016-03-29 19:12 ` Daniel Bristot de Oliveira
2016-03-29 19:25 ` Steven Rostedt
2016-03-31 5:19 ` Juri Lelli
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160329151649.GA12845@twins.programming.kicks-ass.net \
--to=peterz@infradead.org \
--cc=acme@redhat.com \
--cc=bristot@redhat.com \
--cc=juri.lelli@arm.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rt-users@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=rostedt@goodmis.org \
--cc=tglx@linutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.