From: Andi Kleen <ak@suse.de>
To: Adrian Bunk <bunk@stusta.de>
Cc: Zachary Amsden <zach@vmware.com>, Andrew Morton <akpm@osdl.org>,
xen-devel@lists.xensource.com,
Christoph Hellwig <hch@infradead.org>, Jack Lo <jlo@vmware.com>,
Greg KH <greg@kroah.com>, Rusty Russell <rusty@rustcorp.com.au>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Chris Wright <chrisw@sous-sol.org>,
virtualization@lists.osdl.org, Linus Torvalds <torvalds@osdl.org>,
James.Bottomley@steeleye.com, pazke@donpac.ru
Subject: Re: A proposal - binary
Date: Sat, 5 Aug 2006 13:57:09 +0200 [thread overview]
Message-ID: <200608051357.09432.ak@suse.de> (raw)
In-Reply-To: <20060805104735.GS25692@stusta.de>
> Has anyone measured the performance impact of rutime CLOCK_TICK_RATE
> switching (since this will no longer allow some compile time
> optimizations in jiffies.h)?
SUSE shipped a kernel briefly that had runtime switchable jiffies
and there were some benchmarks done and they didn't show noticeable
slowdown.
But with hr timers it should be pretty much obsolete anyways.
-Andi
WARNING: multiple messages have this Message-ID (diff)
From: Andi Kleen <ak@suse.de>
To: Adrian Bunk <bunk@stusta.de>
Cc: Zachary Amsden <zach@vmware.com>,
Chris Wright <chrisw@sous-sol.org>, Greg KH <greg@kroah.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linus Torvalds <torvalds@osdl.org>, Andrew Morton <akpm@osdl.org>,
Christoph Hellwig <hch@infradead.org>,
Rusty Russell <rusty@rustcorp.com.au>, Jack Lo <jlo@vmware.com>,
virtualization@lists.osdl.org, xen-devel@lists.xensource.com,
James.Bottomley@steeleye.com, pazke@donpac.ru
Subject: Re: A proposal - binary
Date: Sat, 5 Aug 2006 13:57:09 +0200 [thread overview]
Message-ID: <200608051357.09432.ak@suse.de> (raw)
In-Reply-To: <20060805104735.GS25692@stusta.de>
> Has anyone measured the performance impact of rutime CLOCK_TICK_RATE
> switching (since this will no longer allow some compile time
> optimizations in jiffies.h)?
SUSE shipped a kernel briefly that had runtime switchable jiffies
and there were some benchmarks done and they didn't show noticeable
slowdown.
But with hr timers it should be pretty much obsolete anyways.
-Andi
next prev parent reply other threads:[~2006-08-05 11:57 UTC|newest]
Thread overview: 115+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-03 10:14 A proposal - binary Zachary Amsden
2006-08-03 11:16 ` Arjan van de Ven
2006-08-03 12:16 ` Antonio Vargas
2006-08-03 15:17 ` Rik van Riel
2006-08-03 16:05 ` Chris Wright
2006-08-03 17:57 ` Zachary Amsden
2006-08-03 18:29 ` Antonio Vargas
2006-08-03 18:47 ` Zachary Amsden
2006-08-03 18:08 ` Zachary Amsden
2006-08-03 19:03 ` Greg KH
2006-08-03 19:14 ` Zachary Amsden
2006-08-03 19:36 ` Greg KH
2006-08-03 19:56 ` Dave Jones
2006-08-03 19:59 ` Greg KH
2006-08-03 20:25 ` Options depending on STANDALONE Adrian Bunk
2006-08-03 20:28 ` Greg KH
2006-08-03 20:41 ` Dave Jones
2006-08-03 23:40 ` [v4l-dvb-maintainer] " Trent Piepho
2006-08-05 10:51 ` Adrian Bunk
2006-08-06 11:18 ` Oliver Endriss
2006-08-13 16:36 ` Adrian Bunk
2006-08-14 21:15 ` Trent Piepho
2006-08-27 21:45 ` Adrian Bunk
2006-08-03 19:48 ` A proposal - binary linux-os (Dick Johnson)
2006-08-04 6:13 ` Jan Engelhardt
2006-08-03 21:03 ` Alan Cox
2006-08-03 13:21 ` Alan Cox
2006-08-03 20:29 ` Willy Tarreau
2006-08-03 21:12 ` Alan Cox
2006-08-03 21:27 ` Zachary Amsden
2006-08-03 15:35 ` Rik van Riel
2006-08-03 18:36 ` Zachary Amsden
2006-08-05 10:45 ` Pavel Machek
2006-08-06 22:45 ` Zachary Amsden
2006-08-06 22:59 ` Greg KH
2006-08-08 0:12 ` Pavel Machek
2006-08-08 0:42 ` Zachary Amsden
2006-08-09 7:43 ` Pavel Machek
2006-08-03 19:06 ` Greg KH
2006-08-03 19:26 ` Zachary Amsden
2006-08-03 20:01 ` Greg KH
2006-08-03 21:41 ` Zachary Amsden
2006-08-03 22:33 ` Alan Cox
2006-08-03 22:30 ` Greg KH
2006-08-03 22:49 ` Zachary Amsden
2006-08-03 22:31 ` Zachary Amsden
2006-08-03 23:30 ` Alan Cox
2006-08-03 23:40 ` Zachary Amsden
2006-08-04 10:21 ` Alan Cox
2006-08-04 14:34 ` Theodore Tso
2006-08-05 0:06 ` Paul Mackerras
2006-08-04 8:56 ` Christoph Hellwig
2006-08-04 2:52 ` Jeremy Fitzhardinge
2006-08-04 2:52 ` Jeremy Fitzhardinge
2006-08-04 4:18 ` Andrew Morton
2006-08-04 5:04 ` Rusty Russell
2006-08-04 5:04 ` Rusty Russell
2006-08-04 5:53 ` Andrew Morton
2006-08-04 7:04 ` Rusty Russell
2006-08-04 7:04 ` Rusty Russell
2006-08-04 7:21 ` Andrew Morton
2006-08-04 8:29 ` Rusty Russell
2006-08-04 8:29 ` Rusty Russell
2006-08-04 16:57 ` David Lang
2006-08-04 18:38 ` Jeremy Fitzhardinge
2006-08-04 18:46 ` Antonio Vargas
2006-08-04 19:06 ` David Lang
2006-08-04 19:26 ` Arjan van de Ven
2006-08-04 19:45 ` David Lang
2006-08-04 20:11 ` Jeremy Fitzhardinge
2006-08-04 20:31 ` David Lang
2006-08-04 21:26 ` Jeremy Fitzhardinge
2006-08-04 21:40 ` Bill Rugolsky Jr.
2006-08-04 22:00 ` Arjan van de Ven
2006-08-04 22:45 ` David Lang
2006-08-04 19:45 ` Jeff Dike
2006-08-04 19:49 ` David Lang
2006-08-04 21:46 ` Jeff Dike
2006-08-04 22:40 ` David Lang
2006-08-04 5:40 ` Chris Wright
2006-08-04 5:40 ` Chris Wright
2006-08-04 6:28 ` Antonio Vargas
2006-08-04 7:01 ` Chris Wright
2006-08-04 7:01 ` Chris Wright
2006-08-04 7:19 ` Antonio Vargas
2006-08-04 7:37 ` Chris Wright
2006-08-04 7:37 ` Chris Wright
2006-08-04 18:34 ` Chris Wright
2006-08-04 18:34 ` Chris Wright
2006-08-04 20:41 ` Zachary Amsden
2006-08-04 20:41 ` Zachary Amsden
2006-08-04 20:52 ` Chris Wright
2006-08-04 20:52 ` Chris Wright
2006-08-04 21:26 ` Alan Cox
2006-08-04 21:26 ` Alan Cox
2006-08-05 1:14 ` James Bottomley
2006-08-05 5:37 ` Zachary Amsden
2006-08-05 5:37 ` Zachary Amsden
2006-08-05 10:42 ` Adrian Bunk
2006-08-05 11:50 ` Alan Cox
2006-08-05 11:50 ` Alan Cox
2006-08-04 22:01 ` Andi Kleen
2006-08-04 22:01 ` Andi Kleen
2006-08-04 22:39 ` Zachary Amsden
2006-08-04 22:39 ` Zachary Amsden
2006-08-04 22:52 ` Andi Kleen
2006-08-04 22:52 ` Andi Kleen
2006-08-04 22:43 ` David Lang
2006-08-05 10:47 ` Adrian Bunk
2006-08-05 10:47 ` Adrian Bunk
2006-08-05 11:57 ` Andi Kleen [this message]
2006-08-05 11:57 ` Andi Kleen
2006-08-05 1:30 ` James Bottomley
2006-08-05 4:33 ` Zachary Amsden
2006-08-05 4:33 ` Zachary Amsden
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=200608051357.09432.ak@suse.de \
--to=ak@suse.de \
--cc=James.Bottomley@steeleye.com \
--cc=akpm@osdl.org \
--cc=bunk@stusta.de \
--cc=chrisw@sous-sol.org \
--cc=greg@kroah.com \
--cc=hch@infradead.org \
--cc=jlo@vmware.com \
--cc=linux-kernel@vger.kernel.org \
--cc=pazke@donpac.ru \
--cc=rusty@rustcorp.com.au \
--cc=torvalds@osdl.org \
--cc=virtualization@lists.osdl.org \
--cc=xen-devel@lists.xensource.com \
--cc=zach@vmware.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.