lkml.org 
[lkml]   [2007]   [Jun]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 3/5] lockstat: core infrastructure
From
Date
On Fri, 2007-06-01 at 09:11 -0700, Daniel Walker wrote:
> On Fri, 2007-06-01 at 17:52 +0200, Peter Zijlstra wrote:

> > The whole issue is that you don't have any control over what clocksource
> > you'll end up with. If it so happens that pmtimer gets selected your
> > whole box will crawl if its used liberaly, like the patch under
> > discussion does.
>
> You can have control over it, which I think the whole point of this
> discussion ..

No you don't, clocksource will gladly discard the TSC when its not found
stable enough (the majority of the systems today). While it would be
good enough for sched_clock().



-
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: 2007-06-01 20:47    [W:0.084 / U:0.192 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site