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
prev parent reply other threads:[~2011-09-12 8:43 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-10 9:12 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 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
2011-09-22 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 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 11:31 ` 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]
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