Re: [patch] O(1) scheduler-H6/H7 and nice +19

Ed Tomlinson (tomlins@cam.org)
Mon, 14 Jan 2002 20:37:30 -0500


On January 13, 2002 10:45 pm, Davide Libenzi wrote:
> On Sun, 13 Jan 2002, Ed Tomlinson wrote:
> > With pre3+H7, kernel compiles still take 40% longer with a setiathome
> > process running at nice +19. This is _not_ the case with the old
> > scheduler.
>
> Did you try to set MIN_TIMESLICE to 10 ( sched.h ) ?make bzImage with setiathome running nice +19

This makes things a worst - note the decreased cpu utilizaton...

make bzImage 424.33s user 32.21s system 48% cpu 15:48.69 total

What is this telling us?

Ed Tomlinson

>>make bzImage 391.11s user 30.85s system 62% cpu 11:17.37 total
>>
>>make bzImage alone
>>
>>make bzImage 397.33s user 32.14s system 92% cpu 7:43.58 total
>>
>>Notice the large difference in run times...

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/