* Cooling the cache
@ 2006-10-31 17:12 Olivier Galibert
2006-10-31 17:23 ` Jörn Engel
0 siblings, 1 reply; 3+ messages in thread
From: Olivier Galibert @ 2006-10-31 17:12 UTC (permalink / raw)
To: Hack inc.
In order to measure reliably some worst-case latencies, is there a way
to have the system (cleanly) drop as much as possible of its
page/directory cache? Being able to specify which device would be a
plus ;-)
OG.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Cooling the cache
2006-10-31 17:12 Cooling the cache Olivier Galibert
@ 2006-10-31 17:23 ` Jörn Engel
2006-10-31 20:39 ` Olivier Galibert
0 siblings, 1 reply; 3+ messages in thread
From: Jörn Engel @ 2006-10-31 17:23 UTC (permalink / raw)
To: Olivier Galibert, Hack inc.
On Tue, 31 October 2006 18:12:04 +0100, Olivier Galibert wrote:
>
> In order to measure reliably some worst-case latencies, is there a way
> to have the system (cleanly) drop as much as possible of its
> page/directory cache? Being able to specify which device would be a
> plus ;-)
grep -A5 drop_caches Documentation/filesystems/proc.txt
Jörn
--
Joern's library part 9:
http://www.scl.ameslab.gov/Publications/Gus/TwelveWays.html
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Cooling the cache
2006-10-31 17:23 ` Jörn Engel
@ 2006-10-31 20:39 ` Olivier Galibert
0 siblings, 0 replies; 3+ messages in thread
From: Olivier Galibert @ 2006-10-31 20:39 UTC (permalink / raw)
To: Jörn Engel; +Cc: Hack inc.
On Tue, Oct 31, 2006 at 06:23:10PM +0100, Jörn Engel wrote:
> On Tue, 31 October 2006 18:12:04 +0100, Olivier Galibert wrote:
> >
> > In order to measure reliably some worst-case latencies, is there a way
> > to have the system (cleanly) drop as much as possible of its
> > page/directory cache? Being able to specify which device would be a
> > plus ;-)
>
> grep -A5 drop_caches Documentation/filesystems/proc.txt
Excellent, thanks.
OG.
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2006-10-31 20:39 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2006-10-31 17:12 Cooling the cache Olivier Galibert
2006-10-31 17:23 ` Jörn Engel
2006-10-31 20:39 ` Olivier Galibert
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox