Messages in this thread | | | Date | Tue, 8 Jan 2019 02:49:01 +0300 | From | Alexey Dobriyan <> | Subject | Re: [PATCH 0/2] /proc/stat: Reduce irqs counting performance overhead |
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On Mon, Jan 07, 2019 at 05:41:28PM -0500, Daniel Colascione wrote: > There should be a general-purpose way for /proc file readers to tell > the kernel which bits of information interest them on a particular read > syscall sequence or particular open(2) or something.
This opens a pandora box full of ioctls. /proc supports ioctls on files which aren't /proc/$PID and /proc/sys/* though.
So people made a mess with allegedly easy text files and now they continue to make even more mess adding ioctls on top.
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