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

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Message-ID: <20181030231506.fy3oix75rifimevv@linux-r8p5>
Date:   Tue, 30 Oct 2018 16:15:06 -0700
From:   Davidlohr Bueso <dave@...olabs.net>
To:     Vito Caputo <vcaputo@...garu.com>
Cc:     Waiman Long <longman@...hat.com>, akpm@...ux-foundation.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        Davidlohr Bueso <dbueso@...e.de>
Subject: Re: [PATCH] fs/proc: introduce /proc/stat2 file

On Tue, 30 Oct 2018, Vito Caputo wrote:

>If you create /proc/stat2 to omit interrupts, do we then create
>/proc/stat3 to omit CPUs when just interrupts are of interest to the
>application running on a 256-cpu machine?

Be real, this is a bogus argument. As mentioned, stat2 is named as such
because it's a replacement for a better common case, not some random increment.

Thanks,
Davidlohr