From: Michal Hocko <mhocko@kernel.org>
To: Chris Edwards <chris.edwards@otago.ac.nz>
Cc: "linux-mm@kvack.org" <linux-mm@kvack.org>,
Johannes Weiner <hannes@cmpxchg.org>
Subject: Re: Paging out when free memory is low but not exhausted (and available memory remains high)
Date: Fri, 24 Jan 2020 11:28:10 +0100 [thread overview]
Message-ID: <20200124102810.GQ29276@dhcp22.suse.cz> (raw)
In-Reply-To: <20200124100423.GP29276@dhcp22.suse.cz>
On Fri 24-01-20 11:04:25, Michal Hocko wrote:
[...]
> $ awk '{diff=$1-prev; if (prev&&diff) printf "%d %d %d\n", NR, $1, diff; prev=$1}' pswpout
> 30 392136 2000
> 31 395513 3377
> 32 399132 3619
> 33 403101 3969
> 34 407211 4110
> 35 410812 3601
> 36 414120 3308
> 37 418119 3999
> 38 422116 3997
> 39 424154 2038
> 40 428110 3956
>
> So the swappout started around 18:25:00
Sorry, this should have been 18:25:29
$ sed '1,29d' vmstat-log.txt | head -n1
time 18:25:29
I hope I haven't misprocessed other data but a quick check suggests that
s ok.
--
Michal Hocko
SUSE Labs
next prev parent reply other threads:[~2020-01-24 10:28 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-22 0:40 Paging out when free memory is low but not exhausted (and available memory remains high) Chris Edwards
2020-01-23 12:31 ` Michal Hocko
2020-01-24 5:43 ` Chris Edwards
2020-01-24 10:04 ` Michal Hocko
2020-01-24 10:28 ` Michal Hocko [this message]
2020-01-27 10:06 ` Johannes Weiner
2020-01-28 3:22 ` Chris Edwards
2020-01-28 4:58 ` Chris Edwards
2020-01-28 7:19 ` Chris Edwards
2020-01-29 11:36 ` Chris Edwards
2020-01-29 13:39 ` Michal Hocko
2020-01-29 16:39 ` Johannes Weiner
2020-02-02 22:56 ` Chris Edwards
2020-02-10 8:50 ` Michal Hocko
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