From: Jens Axboe <axboe@kernel.dk>
To: shoichi.sawada@toshiba.co.jp, fio@vger.kernel.org
Cc: yoshihiro7.tsuchiya@toshiba.co.jp
Subject: Re: Fix runtime of terse output
Date: Wed, 23 Dec 2015 09:03:09 -0700 [thread overview]
Message-ID: <567AC5BD.8060600@kernel.dk> (raw)
In-Reply-To: <64F25A0F43FA9948AF74033DC846D09D6B730876@TGXML313.toshiba.local>
On 12/22/2015 01:16 AM, shoichi.sawada@toshiba.co.jp wrote:
> Hi,
>
> When I used fio with option of '--status-interval=1 --minimal' and 'random_distribution=zipf:1.2',
> 'runtime' of 2nd line was 18446744073709551345.
> This value is -271 in int_64.
>
> This is because 'runtime' was subtracted in function '__show_running_run_stats'.
> If 'td->io_bytes' is 0 when this function was called,
> and 'td->io_bytes' is not 0 when '__show_run_stats' returned,
> 'runtime' is subtracted by 'rt' even though 'runtime' have not added.
>
> I fixed the problem by applying this patch to fio-2.2.13.
Thanks, applied.
--
Jens Axboe
prev parent reply other threads:[~2015-12-23 16:03 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-22 8:16 Fix runtime of terse output shoichi.sawada
2015-12-23 16:03 ` Jens Axboe [this message]
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