linux-kernel - Re: [PATCH V4 11/12] blktrace: add an option to allow displying cgroup path

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Message-ID: <209b9d5e-291c-882f-5116-53ad9c6eee2b@fb.com>
Date:   Wed, 28 Jun 2017 10:41:14 -0600
From:   Jens Axboe <axboe@...com>
To:     Shaohua Li <shli@...nel.org>, <linux-kernel@...r.kernel.org>,
        <linux-block@...r.kernel.org>
CC:     <tj@...nel.org>, <gregkh@...uxfoundation.org>, <hch@....de>,
        <rostedt@...dmis.org>, <lizefan@...wei.com>, <Kernel-team@...com>,
        Shaohua Li <shli@...com>
Subject: Re: [PATCH V4 11/12] blktrace: add an option to allow displying
 cgroup path

On 06/28/2017 10:30 AM, Shaohua Li wrote:
> From: Shaohua Li <shli@...com>
> 
> By default we output cgroup id in blktrace. This adds an option to
> display cgroup path. Since get cgroup path is a relativly heavy
> operation, we don't enable it by default.
> 
> with the option enabled, blktrace will output something like this:
> dd-1353  [007] d..2   293.015252:   8,0   /test/level  D   R 24 + 8 [dd]

Typo in your subject, "displaying".

-- 
Jens Axboe