From: Simon Kirby <sim@hostway.ca>
To: NeilBrown <neilb@suse.de>
Cc: Gu Zheng <guz.fnst@cn.fujitsu.com>, linux-raid@vger.kernel.org
Subject: Re: [neilb@suse.de: Re: MD request counter broken on 4.0-rc5 RAID1]
Date: Thu, 2 Apr 2015 12:54:29 -0700 [thread overview]
Message-ID: <20150402195429.GA24657@hostway.ca> (raw)
In-Reply-To: <20150401220725.53ee8f99@notabene.brown>
On Wed, Apr 01, 2015 at 10:07:25PM +1100, NeilBrown wrote:
> On Wed, 1 Apr 2015 15:39:47 +0800 Gu Zheng <guz.fnst@cn.fujitsu.com> wrote:
>
> > Hi Neil,
> > One question about md io stats account:
> > I find that we just accounting disk_stats.sectors[rw] and disk_stats.ios[rw] at
> > md_make_request, but I did not find accounting disk_stats.ticks[rw], do not we
> > need it? or I missed something?
>
> No, I don't think you are missing anything. md doesn't track 'ticks' - and
> no-one has ever complained.
Hmm, yes, I guess "working" before was "0% utilization". :)
Simon-
prev parent reply other threads:[~2015-04-02 19:54 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20150325173346.GF8519@hostway.ca>
2015-04-01 7:39 ` [neilb@suse.de: Re: MD request counter broken on 4.0-rc5 RAID1] Gu Zheng
2015-04-01 11:07 ` NeilBrown
2015-04-02 19:54 ` Simon Kirby [this message]
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