lkml.org 
[lkml]   [2007]   [Apr]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] i386 tsc: remove xtime_lock'ing around cpufreq notifier
On Thu, 12 Apr 2007 10:43:03 -0700
Jeremy Fitzhardinge <jeremy@goop.org> wrote:

> Andrew Morton wrote:
> > hm. People (ab)use sched_clock() for all sorts of things nowadays. I wouldn't
> > do anything to degrade it just on behalf of printk-timestamping.
> >
>
> printk was the only non-scheduler-ish use I could find. Are there others?
>

blktrace. I've seen a couple of trace/debug-style things which use
sched_clock for timestamping event collection. I think lttng does exotic
things with TSCs, performing private skew correction, although that might
have changed now.
-
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: 2007-04-12 19:59    [W:0.109 / U:0.264 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site