From: Ingo Molnar <mingo@elte.hu>
To: Tim Bird <tim.bird@am.sony.com>, Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: "Steven Rostedt" <rostedt@goodmis.org>,
"Frederic Weisbecker" <fweisbec@gmail.com>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
"linux kernel" <linux-kernel@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.arm.linux.org.uk>
Subject: Re: How to use a different sched_clock() for ftrace on omap?
Date: Thu, 7 May 2009 10:51:16 +0200 [thread overview]
Message-ID: <20090507085116.GC19133@elte.hu> (raw)
In-Reply-To: <4A022333.8030200@am.sony.com>
* Tim Bird <tim.bird@am.sony.com> wrote:
> Hi all,
>
> I've worked up a replacement sched_clock for ftrace on my omap
> platform. The current sched_clock, based on the 32K timer, has low
> resolution and doesn't provide very useful results.
hm, why dont you replace the real sched_clock() with it? High
resolution sched_clock() gives (much!) better scheduling, better
fairness, etc.
Ingo
next prev parent reply other threads:[~2009-05-07 8:51 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-06 23:54 How to use a different sched_clock() for ftrace on omap? Tim Bird
2009-05-07 0:34 ` Ryan Mallon
2009-05-07 8:51 ` Ingo Molnar [this message]
2009-05-07 13:56 ` Steven Rostedt
2009-05-07 13:59 ` Ingo Molnar
[not found] <cyZbZ-7Eg-9@gated-at.bofh.it>
2009-05-07 14:08 ` Kevin Hilman
2009-05-07 17:19 ` Tim Bird
2009-05-07 17:34 ` Kevin Hilman
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=20090507085116.GC19133@elte.hu \
--to=mingo@elte.hu \
--cc=a.p.zijlstra@chello.nl \
--cc=fweisbec@gmail.com \
--cc=linux-arm-kernel@lists.arm.linux.org.uk \
--cc=linux-kernel@vger.kernel.org \
--cc=rostedt@goodmis.org \
--cc=tim.bird@am.sony.com \
--cc=u.kleine-koenig@pengutronix.de \
/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.