From: Jens Axboe <jaxboe@fusionio.com>
To: linux-btrace@vger.kernel.org
Subject: Re: [patch,resend] blkparse: fix up incorrect pc write completion
Date: Wed, 03 Aug 2011 13:06:42 +0000 [thread overview]
Message-ID: <4E3947E2.2040508@fusionio.com> (raw)
In-Reply-To: <x49y5zbso36.fsf@segfault.boston.devel.redhat.com>
On 2011-08-02 19:46, Jeff Moyer wrote:
> Hi,
>
> I noticed in some traces that I was seeing summaries like the following:
>
> Total (sde):
> Reads Queued: 76, 304KiB Writes Queued: 16,384, 1,048MiB
> Read Dispatches: 76, 304KiB Write Dispatches: 2,210, 1,048MiB
> Reads Requeued: 0 Writes Requeued: 0
> Reads Completed: 76, 304KiB Writes Completed: 2,210, 1,048MiB
> Read Merges: 0, 0KiB Write Merges: 14,174, 907,136KiB
> PC Reads Queued: 0, 0KiB PC Writes Queued: 0, 0KiB
> PC Read Disp.: 4, 0KiB PC Write Disp.: 0, 0KiB
> PC Reads Req.: 0 PC Writes Req.: 0
> PC Reads Compl.: 4 PC Writes Compl.: 2,210
> IO unplugs: 2,124 Timer unplugs: 0
>
> Note how there were no PC Writes dispatched, but there were 2210
> completed. It turns out to be a minor typo in the code. The attached
> patch fixes the reporting for me.
>
> Cheers,
> Jeff
>
> Signed-off-by: Jeff Moyer <jmoyer@redhat.com>
>
> ---
>
> Jens, any reason this hasn't been merged?
Nope, thanks for the resend (and the fix) - applied!
--
Jens Axboe
prev parent reply other threads:[~2011-08-03 13:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-02 17:46 [patch,resend] blkparse: fix up incorrect pc write completion count Jeff Moyer
2011-08-03 13:06 ` Jens Axboe [this message]
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