Re: [RFC] Add a new generic system call which has better performance, to get /proc data, than existing mechanisms

From: Greg KH
Date: Sat Nov 19 2022 - 03:49:44 EST


On Fri, Nov 18, 2022 at 11:12:02AM -0800, Anjali Kulkarni wrote:
> Hi Greg,
> I was looking up your readfile() system call and this seems something
> useful to us - is this something expected to go into mainline any time
> soon?

Can you test it to see if it actually helps your workload? All of the
ones I played with were just very minor improvements or lots in the
noise.

Also, look into using io_uring as that can probably do the same thing,
right?

thanks,

greg k-h