linux-kernel - RE: Random high CPU utilization in blk-mq with the none scheduler

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Date:   Sat, 11 Dec 2021 18:54:58 +0000
From:   Dexuan Cui <decui@...rosoft.com>
To:     Jens Axboe <axboe@...nel.dk>,
        "'ming.lei@...hat.com'" <ming.lei@...hat.com>,
        'Christoph Hellwig' <hch@....de>,
        "'linux-block@...r.kernel.org'" <linux-block@...r.kernel.org>
CC:     Long Li <longli@...rosoft.com>,
        "Michael Kelley (LINUX)" <mikelley@...rosoft.com>,
        "'linux-kernel@...r.kernel.org'" <linux-kernel@...r.kernel.org>
Subject: RE: Random high CPU utilization in blk-mq with the none scheduler

> From: Jens Axboe <axboe@...nel.dk>
> Sent: Saturday, December 11, 2021 6:21 AM
> 
> Sorry, can you do:
> 
> # perf report -g --no-children
> 
> instead?

Attached.

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