From: Felipe Contreras <felipe.contreras@gmail.com>
To: Michal Hocko <mhocko@suse.cz>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Mel Gorman <mgorman@suse.de>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Rik van Riel <riel@redhat.com>
Subject: Re: Interactivity regression since v3.11 in mm/vmscan.c
Date: Fri, 6 Jun 2014 07:27:08 -0500 [thread overview]
Message-ID: <CAMP44s2ExpR2OdvsiPVe9bdKdRYgsjEsXCfExTjQ_-eGMzvgKg@mail.gmail.com> (raw)
In-Reply-To: <20140605133747.GB2942@dhcp22.suse.cz>
On Thu, Jun 5, 2014 at 8:37 AM, Michal Hocko <mhocko@suse.cz> wrote:
> We had a similar report for opensuse. The common part was that there was
> an IO to a slow USB device going on.
Actually I've managed to narrow down my synthetic test, and all I need
is to copy a big file, and it even happens reading and writing to the
SSD (although the stall is less severe).
Here's the test:
http://pastie.org/9264124
Just pass a big file as the first argument.
I don't have much memory in this machine, so I guess running out of
memory is the trigger.
--
Felipe Contreras
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next prev parent reply other threads:[~2014-06-06 12:27 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-05 11:33 Interactivity regression since v3.11 in mm/vmscan.c Felipe Contreras
2014-06-05 13:37 ` Michal Hocko
2014-06-05 14:00 ` Felipe Contreras
2014-06-06 9:16 ` Michal Hocko
2014-06-06 10:33 ` Felipe Contreras
2014-06-06 11:03 ` Michal Hocko
2014-06-06 12:54 ` Felipe Contreras
2014-06-06 23:11 ` Felipe Contreras
2014-06-09 7:53 ` Michal Hocko
2014-06-09 10:02 ` Felipe Contreras
2014-06-06 12:27 ` Felipe Contreras [this message]
-- strict thread matches above, loose matches on Subject: below --
2014-06-06 9:58 zhdxzx
2014-06-06 10:24 ` Felipe Contreras
2014-06-07 12:35 zhdxzx
2014-06-07 15:23 ` Felipe Contreras
2014-06-07 18:24 ` Linus Torvalds
2014-06-08 21:33 ` Linus Torvalds
2014-06-09 12:58 ` Mel Gorman
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