From: Jens Axboe <axboe@kernel.dk>
To: Vasu Kulkarni <vasu.kulkarni@gmail.com>, fio@vger.kernel.org
Subject: Re: runtime resets eta after countdown
Date: Mon, 21 Apr 2014 10:50:21 -0600 [thread overview]
Message-ID: <53554C4D.60706@kernel.dk> (raw)
In-Reply-To: <F73CB16A-07C1-4E7B-AD65-2045F7538FBF@gmail.com>
On 04/20/2014 11:08 AM, Vasu Kulkarni wrote:
> I see the following issue with my testing, runtime always resets eta to some higher number after countdown to 0
>
> [randon_rw1]
> rw=randrw
> iodepth=8
> runtime=24
> ioengine=sync
> filename=/dev/mapper/mpathdeo:/dev/mapper/mpathdep
>
>
> or
>
> [randon_rw1]
> rw=randrw
> iodepth=4
> runtime=24
> ioengine=sync
> filename=/dev/mapper/mpathdeo
> filename=/dev/mapper/mpathdep
>
> both devices have 8 paths
>
> mpathdep (23035376338373633) dm-7 FUSIONIO,ION LUN
> size=382G features='3 queue_if_no_path pg_init_retries 50' hwhandler='1 alua' wp=rw
> |-+- policy='queue-length 0' prio=130 status=active
> | |- 0:0:1:5 sdk 8:160 active ready running
> | |- 1:0:1:5 sdl 8:176 active ready running
> | |- 1:0:0:5 sdaa 65:160 active ready running
> | `- 0:0:0:5 sdab 65:176 active ready running
> `-+- policy='queue-length 0' prio=1 status=enabled
> |- 1:0:2:5 sdar 66:176 active ready running
> |- 0:0:2:5 sdas 66:192 active ready running
> |- 0:0:3:5 sdbi 67:192 active ready running
> `- 1:0:3:5 sdbh 67:176 active ready running
> mpathdeo (26361306637636532) dm-6 FUSIONIO,ION LUN
> size=345G features='3 queue_if_no_path pg_init_retries 50' hwhandler='1 alua' wp=rw
> |-+- policy='queue-length 0' prio=130 status=active
> | |- 0:0:2:4 sdap 66:144 active ready running
> | |- 1:0:2:4 sdaq 66:160 active ready running
> | |- 1:0:3:4 sdbf 67:144 active ready running
> | `- 0:0:3:4 sdbg 67:160 active ready running
> `-+- policy='queue-length 0' prio=1 status=enabled
> |- 1:0:1:4 sdj 8:144 active ready running
> |- 0:0:1:4 sdi 8:128 active ready running
> |- 0:0:0:4 sdy 65:128 active ready running
> `- 1:0:0:4 sdz 65:144 active ready running
>
>
> runtime gradually decreases from 24 seconds to 1 seconds and then eta is reset back to 4hours, if there is only one device the runtime works properly
Just tried this with current fio -git, and it seems to work fine. Counts
down from 24s to 0, then quits and displays results. Can you try and
download the latest snapshot and re-test?
http://brick.kernel.dk/snaps/fio-git-latest.tar.gz
--
Jens Axboe
next prev parent reply other threads:[~2014-04-21 16:50 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-20 17:08 runtime resets eta after countdown Vasu Kulkarni
2014-04-20 17:39 ` Carl Zwanzig
2014-04-21 16:40 ` Vasu Kulkarni
2014-04-21 16:50 ` Jens Axboe [this message]
2014-04-21 18:56 ` Vasu Kulkarni
2014-04-22 16:22 ` Vasu Kulkarni
2014-04-22 22:12 ` Jens Axboe
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