linux-kernel - Re: [PATCH] fs/proc: introduce /proc/stat2 file

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Date:   Wed, 7 Nov 2018 23:44:42 -0800
From:   Davidlohr Bueso <dave@...olabs.net>
To:     Dave Chinner <david@...morbit.com>
Cc:     Miklos Szeredi <miklos@...redi.hu>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Daniel Colascione <dancol@...gle.com>, longman@...hat.com,
        linux-fsdevel@...r.kernel.org,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Davidlohr Bueso <dbueso@...e.de>
Subject: Re: [PATCH] fs/proc: introduce /proc/stat2 file

On Wed, 07 Nov 2018, Davidlohr Bueso wrote:
>I have not looked at how filesystems tune the batch size, but it would certainly be worth
>looking into methinks.

nm this part, percpu_counter_batch is not tunable. It would
still probably be acceptable (famous last words) to at least
move the bottleneck in question to percpu_counter api.

Thanks,
Davidlohr