Flexible I/O Tester development
 help / color / mirror / Atom feed
From: Jens Axboe <axboe@kernel.dk>
To: "Bill Hooper (whooper)" <whooper@micron.com>
Cc: Josh Carter <public@joshcarter.com>,
	"fio@vger.kernel.org" <fio@vger.kernel.org>
Subject: Re: Formats for log files
Date: Mon, 20 Feb 2012 20:20:16 +0100	[thread overview]
Message-ID: <4F429CF0.5010702@kernel.dk> (raw)
In-Reply-To: <4F429798.2020506@kernel.dk>

On 2012-02-20 19:57, Jens Axboe wrote:
> On 2012-02-20 18:17, Bill Hooper (whooper) wrote:
>>> -----Original Message-----
>>> From: fio-owner@vger.kernel.org [mailto:fio-owner@vger.kernel.org] On
>>> Behalf Of Jens Axboe
>>> Sent: Monday, February 20, 2012 1:08 AM
>>> To: Josh Carter
>>> Cc: fio@vger.kernel.org; Bill Hooper (whooper)
>>> Subject: Re: Formats for log files
>>>
>>> On 02/16/2012 08:46 PM, Josh Carter wrote:
>>>> Hi Bill,
>>>>
>>>> Looking at the code, I believe you're correct, the bandwidth logging
>>>> for mixed loads isn't right. While read and write logs are kept
>>>> separate, only one direction's log will get flushed on each interval.
>>>> Instead, fio should flush both directions.
>>>>
>>>> I'm attaching a patch. Jens: could you take a look at this? I've
>>>> tested both mixed and single-direction workloads, seems to work fine.
>>>
>>> Patch looks good, applied. Thanks!
>>>
>>> --
>>> Jens Axboe
>>>
>>> --
>>> To unsubscribe from this list: send the line "unsubscribe fio" in
>>> the body of a message to majordomo@vger.kernel.org
>>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>>
>> I did test the patch from Josh and it appears to work correctly. I
>> noticed that the issue also exists in the iops and latency logging. I
>> was able to use the code Josh provided to correct the iops logging. I
>> did not spend any time attempting to correct the latency logging
>> issue, although I suspect the fix is similar to the others. Could
>> someone take a deeper look into this?
> 
> Can you send what you have? I can fix up the rest.

I committed a fix for the IOPS logging. The latency logging is per-IO,
so it should work fine as-is.

-- 
Jens Axboe


      reply	other threads:[~2012-02-20 19:20 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-15 21:42 Formats for log files Bill Hooper (whooper)
2012-02-16  1:26 ` Josh Carter
2012-02-16 17:33   ` Bill Hooper (whooper)
     [not found]     ` <B53FFA03-CFB4-46BB-882A-602F045FAF24@joshcarter.com>
     [not found]       ` <8C39003C166535489D52AF2C9D8C58BC1A316DBD@NTXBOIMBX04.micron.com>
2012-02-16 19:46         ` Josh Carter
2012-02-20  9:08           ` Jens Axboe
2012-02-20 17:17             ` Bill Hooper (whooper)
2012-02-20 18:57               ` Jens Axboe
2012-02-20 19:20                 ` Jens Axboe [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4F429CF0.5010702@kernel.dk \
    --to=axboe@kernel.dk \
    --cc=fio@vger.kernel.org \
    --cc=public@joshcarter.com \
    --cc=whooper@micron.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox