From: Andreas Schwab <schwab@linux-m68k.org>
To: Michael Schmitz <schmitzmic@gmail.com>
Cc: Mikael Pettersson <mikpelinux@gmail.com>,
Linux/m68k <linux-m68k@vger.kernel.org>
Subject: Re: [3.13 regression] kswapd0 and ksoftirqd/0 CPU hogs
Date: Wed, 01 Apr 2015 18:11:36 +0200 [thread overview]
Message-ID: <87sicjltfr.fsf@igel.home> (raw)
In-Reply-To: <CAOmrzkK7vXueZ4SYSr49DAZDZn5cVkm=6rYUn6GJq4cvXLSmew@mail.gmail.com> (Michael Schmitz's message of "Tue, 31 Mar 2015 14:16:27 +1300")
Michael Schmitz <schmitzmic@gmail.com> writes:
> has anyone found a solution to this one?
>
> 3.18-rc5 has kswapd0 hogging the CPU - haven't seen ksoftirqd0 yet.
> Unpacking a large tarball tends to trigger this for me.
The only workaround I have is to drop caches regularily
(/proc/sys/vm/drop_caches) when MemFree is getting low. All my OBS
build workers are stable running 3.11.6 with this workaround.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
prev parent reply other threads:[~2015-04-01 16:11 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-06 11:38 [3.13 regression] kswapd0 and ksoftirqd/0 CPU hogs Mikael Pettersson
2014-06-06 11:43 ` Geert Uytterhoeven
2014-06-06 13:11 ` Mikael Pettersson
2014-06-07 13:22 ` Mikael Pettersson
2014-06-11 8:20 ` Mikael Pettersson
2014-06-11 8:45 ` Andreas Schwab
2014-07-01 11:43 ` Mikael Pettersson
2015-03-31 1:16 ` Michael Schmitz
2015-03-31 13:19 ` Mikael Pettersson
2015-04-01 3:08 ` Michael Schmitz
2015-04-01 4:45 ` Finn Thain
2015-04-01 5:21 ` Michael Schmitz
2015-04-06 21:25 ` Michael Schmitz
2015-04-07 0:06 ` Finn Thain
2015-04-07 5:38 ` Michael Schmitz
2016-02-21 17:06 ` Mikael Pettersson
2016-02-21 19:31 ` Michael Schmitz
2016-02-22 10:01 ` Geert Uytterhoeven
2016-03-06 7:21 ` Mikael Pettersson
2016-03-06 8:54 ` Geert Uytterhoeven
2016-03-06 9:20 ` Mikael Pettersson
2016-04-13 18:57 ` Mikael Pettersson
2016-05-31 4:52 ` Finn Thain
2016-05-31 10:06 ` Mikael Pettersson
2016-05-31 10:21 ` Geert Uytterhoeven
2016-05-31 10:39 ` John Paul Adrian Glaubitz
2016-05-31 10:41 ` Geert Uytterhoeven
2016-06-01 6:36 ` Mikael Pettersson
2015-04-01 16:11 ` Andreas Schwab [this message]
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