From: Jens Axboe <axboe@kernel.dk>
To: "Matias Bjørling" <m@bjorling.me>, "Shaohua Li" <shli@kernel.org>
Cc: "Sam Bradshaw (sbradshaw)" <sbradshaw@micron.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] block: per-cpu counters for in-flight IO accounting
Date: Wed, 04 Jun 2014 14:08:46 -0600 [thread overview]
Message-ID: <538F7CCE.3050508@kernel.dk> (raw)
In-Reply-To: <CAOu_J6nRZuktyozjychkLOA+1zwct2+7KPUxfNAghVOOOBfi+g@mail.gmail.com>
On 06/04/2014 05:29 AM, Matias Bjørling wrote:
> It's in
>
> blk_io_account_start
> part_round_stats
> part_round_state_single
> part_in_flight
>
> I like the granularity idea.
And similarly from blk_io_account_done() - which makes it even worse,
since it at both ends of the IO chain.
--
Jens Axboe
next prev parent reply other threads:[~2014-06-04 20:08 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-09 9:17 [PATCH] block: small performance optimization Matias Bjørling
2014-05-09 9:17 ` [PATCH] block: per-cpu counters for in-flight IO accounting Matias Bjørling
2014-05-09 14:12 ` Jens Axboe
2014-05-09 16:41 ` Jens Axboe
2014-05-30 12:11 ` Shaohua Li
2014-05-30 13:49 ` Jens Axboe
2014-06-04 10:39 ` Shaohua Li
2014-06-04 11:29 ` Matias Bjørling
2014-06-04 20:08 ` Jens Axboe [this message]
2014-06-05 2:09 ` Shaohua Li
2014-06-05 2:16 ` Jens Axboe
2014-06-05 2:33 ` Shaohua Li
2014-06-05 2:42 ` Jens Axboe
2014-06-04 14:29 ` Jens Axboe
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