From: Jens Axboe <axboe@kernel.dk>
To: weiping zhang <zhangweiping@didichuxing.com>
Cc: linux-block@vger.kernel.org
Subject: Re: [PATCH] blk-mq-debugfs: add mapping show for hw queue to cpu
Date: Wed, 12 Jul 2017 10:57:37 -0600 [thread overview]
Message-ID: <d9e4984e-07f1-c1bd-07be-4e0a4b2a71df@kernel.dk> (raw)
In-Reply-To: <20170712165400.GA9696@localhost.didichuxing.com>
On 07/12/2017 10:54 AM, weiping zhang wrote:
> A mapping show as following:
>
> hctx cpus
> hctx0 0 1
> hctx1 2
> hctx2 3
> hctx3 4 5
We already have that information in the /sys/block/<dev>/mq/X/cpu_list
where X is the hardware queue number. Why do we need it in debugfs as
well, presented differently?
--
Jens Axboe
next prev parent reply other threads:[~2017-07-12 16:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-12 16:54 [PATCH] blk-mq-debugfs: add mapping show for hw queue to cpu weiping zhang
2017-07-12 16:57 ` Jens Axboe [this message]
2017-07-12 17:13 ` weiping zhang
2017-07-12 17:25 ` Jens Axboe
2017-07-13 14:09 ` weiping zhang
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