lkml.org 
[lkml]   [2001]   [Dec]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Scheduler Cleanup
On Wed, Dec 05, 2001 at 03:44:42PM -0800, Davide Libenzi wrote:
> Anyway me too have verified an increased latency with sched_yield() test
> and next days I'm going to try the real one with the cycle counter
> sampler.
> I've a suspect, but i've to see the disassembly of schedule() before
> talking :)

One thing to note is that possible acquisition of the runqueue
lock was reintroduced in sys_sched_yield(). From looking at
the code, it seems the purpose was to ?add fairness? in the case
of multiple yielders. Is that correct Ingo?

--
Mike
-
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/

\
 
 \ /
  Last update: 2005-03-22 13:18    [W:0.090 / U:1.040 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site