All of lore.kernel.org
 help / color / mirror / Atom feed
From: Mike Galbraith <efault@gmx.de>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
	linux-rt-users <linux-rt-users@vger.kernel.org>
Subject: Re: [ANNOUNCE] 3.0.4-rt13
Date: Mon, 12 Sep 2011 10:43:46 +0200	[thread overview]
Message-ID: <1315817026.21927.27.camel@marge.simson.net> (raw)
In-Reply-To: <1315814733.21927.16.camel@marge.simson.net>

Splitting ksoftirqd was somewhat useful.  Seems somebody is firing off
tasklets heftily, at least that's always current when the throttle kicks
in and saves the day.

(tip-rt13 UV100 box)

[   40.701221] ioatdma 0000:00:16.7: enabling device (0000 -> 0002)
[   40.701239] ioatdma 0000:00:16.7: PCI INT D -> GSI 46 (level, low) -> IRQ 46
[   40.701281] ioatdma 0000:00:16.7: setting latency timer to 64
[   40.701696] ioatdma 0000:00:16.7: irq 128 for MSI/MSI-X
[   40.951009] RT: throttling CPU25
[   40.951013] RT: Danger!  (sirq-tasklet/25) is potential runaway.
[   40.951016] sched: RT throttling activated
[   40.951019] RT: throttling CPU26
[   40.951026] RT: Danger!  (sirq-tasklet/26) is potential runaway.
[   40.960010] RT: throttling CPU13
[   40.960013] RT: Danger!  (sirq-tasklet/13) is potential runaway.
[   41.000014] RT: throttling CPU13
[   41.000014] RT: throttling CPU25
[   41.000014] RT: throttling CPU26
[   41.656925] Adding 1959924k swap on /dev/sda2.  Priority:-1 extents:1 across:1959924k 
[   41.950011] RT: throttling CPU25
[   41.950013] RT: Danger!  (sirq-tasklet/25) is potential runaway.
[   41.950024] RT: throttling CPU30
[   41.950031] RT: Danger!  (sirq-tasklet/30) is potential runaway.
[   41.951010] RT: throttling CPU21
[   41.951014] RT: Danger!  (sirq-tasklet/21) is potential runaway.
[   42.000014] RT: throttling CPU13



      reply	other threads:[~2011-09-12  8:43 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-10  9:12 [ANNOUNCE] 3.0.4-rt13 Thomas Gleixner
2011-09-10 14:53 ` Madovsky
2011-09-10 17:27 ` Rolando Martins
2011-09-11 10:35 ` Mike Galbraith
2011-09-11 10:35   ` Mike Galbraith
2011-09-11 17:01   ` Mike Galbraith
2011-09-12  7:24     ` Thomas Gleixner
2011-09-12  8:59   ` Peter Zijlstra
2011-09-12  9:05     ` Mike Galbraith
2011-09-12 13:52     ` Mike Galbraith
2011-09-12 14:53       ` Mike Galbraith
2011-09-13 13:36         ` Peter Zijlstra
2011-09-13 15:17           ` Mike Galbraith
2011-09-13 15:08         ` Peter Zijlstra
2011-09-13 15:28           ` Mike Galbraith
2011-09-13 16:13             ` Peter Zijlstra
2011-09-21 10:17               ` rt14: strace -> migrate_disable_atomic imbalance Mike Galbraith
2011-09-21 17:01                 ` Peter Zijlstra
2011-09-21 18:50                 ` Peter Zijlstra
2011-09-21 18:50                   ` Peter Zijlstra
2011-09-22  4:46                   ` Mike Galbraith
2011-09-22  6:31                     ` Peter Zijlstra
2011-09-22  8:38                 ` Peter Zijlstra
2011-09-22 10:00                 ` Peter Zijlstra
2011-09-22 10:00                   ` Peter Zijlstra
2011-09-22 11:55                   ` Mike Galbraith
2011-09-22 12:09                     ` Peter Zijlstra
2011-09-22 13:42                       ` Mike Galbraith
2011-09-22 14:05                         ` Mike Galbraith
2011-09-22 15:20                           ` Peter Zijlstra
2011-09-22 14:34                         ` Peter Zijlstra
2011-09-22 14:38                           ` Mike Galbraith
2011-09-22 14:41                             ` Mike Galbraith
2011-09-22 14:41                             ` Peter Zijlstra
2011-09-22 14:46                               ` Mike Galbraith
2011-09-22 14:46                                 ` Mike Galbraith
2011-09-22 11:31                 ` Peter Zijlstra
2011-09-22 11:46                 ` Peter Zijlstra
2011-09-22 11:46                   ` Peter Zijlstra
2011-09-22 14:52                   ` Oleg Nesterov
2011-09-22 15:13                     ` Peter Zijlstra
2011-09-14  9:57             ` [PATCH -rt] ipc/sem: Rework semaphore wakeups Peter Zijlstra
2011-09-14 13:02               ` Mike Galbraith
2011-09-14 18:48               ` Manfred Spraul
2011-09-14 19:23                 ` Peter Zijlstra
2011-09-15 17:04                   ` Manfred Spraul
2011-09-12 10:04   ` [ANNOUNCE] 3.0.4-rt13 Peter Zijlstra
2011-09-12 11:33     ` Mike Galbraith
2011-09-11 18:14 ` Mike Galbraith
2011-09-12  7:33   ` Thomas Gleixner
2011-09-12  8:05     ` Mike Galbraith
2011-09-12  8:43       ` Mike Galbraith [this message]

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=1315817026.21927.27.camel@marge.simson.net \
    --to=efault@gmx.de \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-rt-users@vger.kernel.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.