Re: SD scheduler testing hitch

On Sat, 2007-04-07 at 19:17 +0200, Mike Galbraith wrote:

> I lowered the time to 500us, and ran at nice -10.. it starves tenpercent
> here every time.  (ran as taskset -c 1 nice -n -10 ./fairtest)  The
> starving 10% duty cycle task has trouble getting 1% CPU.

Hmm.  Playing with it some more today, it still happens, but it's not
very repeatable.  Something is odd.  I wonder if any SD using readers
will try it.

	-Mike

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

---

• Follow-Ups:
  • Re: SD scheduler testing hitch
    • From: "Dmitry Adamushko" <[email protected]>

• References:
  • Re: [PATCH] [sched] redundant reschedule when set_user_nice() boosts a prio of a task from the "expired" array
    • From: Andrew Morton <[email protected]>
  • Re: [PATCH] [sched] redundant reschedule when set_user_nice() boosts a prio of a task from the "expired" array
    • From: Ingo Molnar <[email protected]>
  • SD scheduler testing hitch
    • From: Mike Galbraith <[email protected]>
  • Re: SD scheduler testing hitch
    • From: Mike Galbraith <[email protected]>

• Prev by Date: task migration problem
• Next by Date: Re: [PATCH] timekeeping: drop irq-context clocksource polling
• Previous by thread: Re: SD scheduler testing hitch
• Next by thread: Re: SD scheduler testing hitch
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]