Re: RFC: documentation of the autogroup feature [v2]

From: Michael Kerrisk (man-pages)
Date: Fri Nov 25 2016 - 08:05:07 EST


On 11/25/2016 01:52 PM, Afzal Mohammed wrote:
> Hi,
>
> On Thu, Nov 24, 2016 at 10:41:29PM +0100, Michael Kerrisk (man-pages) wrote:
>
>> Suppose that there are two autogroups competing for the same
>> CPU. The first group contains ten CPU-bound processes from a
>> kernel build started with make -j10. The other contains a sinâ
>> gle CPU-bound process: a video player. The effect of autoâ
>> grouping is that the two groups will each receive half of the
>> CPU cycles. That is, the video player will receive 50% of the
>> CPU cycles, rather just 9% of the cycles, which would likely
> ^^^^
> than ?
>
> Regards
> afzal

Thanks, Afzal. Fixed!

Cheers,

Michael

>
>> lead to degraded video playback. Or to put things another way:
>> an autogroup that contains a large number of CPU-bound proâ
>> cesses does not end up overwhelming the CPU at the expense of
>> the other jobs on the system.
>


--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/