From: Dru <andru@treshna.com>
To: Con Kolivas <kernel@kolivas.org>
Cc: linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: PROBLEM: Preemptible kernel makes mpg123 skip a lot under 2.6.0-testing7 and very high load average under low usage.
Date: Fri, 17 Oct 2003 14:36:52 +1300 [thread overview]
Message-ID: <3F8F47B4.3000307@treshna.com> (raw)
In-Reply-To: <200310152344.29920.kernel@kolivas.org>
Con Kolivas wrote:
>Hi.
>
>I quote from your output:
>
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
>22953 andru 15 0 10100 5316 9464 S 3.7 0.6 2:02.39 mpg123
> 1067 root 5 -10 595m 58m 539m S 3.3 6.6 391:41.29 XFree86
> 1176 andru 15 0 47488 26m 13m S 1.0 3.0 11:52.32 gnome-terminal
>25063 root 17 0 2004 1096 1792 R 0.7 0.1 0:00.03 top
>
>The kernel is now tuned to give much more priority to reniced tasks and it is
>not recommended to run your X server nice -10. This is the cause of your
>problem as X is starving your audio application. Some distributions do this
>by default to get around the limitations of the old cpu scheduler not being
>able to make X smooth enough at nice 0. This hack/workaround is no longer
>recommended for 2.6 kernels. You will find nice performance of X at nice 0
>now and audio will not skip when the nice value of X is the same as your
>audio application.
>
>Con
>
>
Your right about the X server. I've reniced it and changed its init
scripts to run it at a priority of 0
and it runs smoothly now without problems.
next prev parent reply other threads:[~2003-10-17 1:37 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-15 13:44 PROBLEM: Preemptible kernel makes mpg123 skip a lot under 2.6.0-testing7 and very high load average under low usage Con Kolivas
2003-10-17 1:36 ` Dru [this message]
2003-11-06 23:02 ` Dru
-- strict thread matches above, loose matches on Subject: below --
2003-10-15 12:29 Dru
2003-10-15 16:58 ` Robert Love
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=3F8F47B4.3000307@treshna.com \
--to=andru@treshna.com \
--cc=kernel@kolivas.org \
--cc=linux-kernel@vger.kernel.org \
/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.