From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: linux-os@analogic.com
Cc: Andreas Schwab <schwab@suse.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Possible spin-problem in nanosleep()
Date: Thu, 23 Jun 2005 22:42:31 +0100 [thread overview]
Message-ID: <1119546715.17066.20.camel@localhost.localdomain> (raw)
In-Reply-To: <Pine.LNX.4.61.0506231058560.16531@chaos.analogic.com>
For most platforms the scheduler measured busy/idle time is from the
timer tick. That means its sampled so you are limited to accurate
information on sleep/wake changes occuring at 1/2 the clock rate or
less.
Alan
next prev parent reply other threads:[~2005-06-23 21:53 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-23 12:18 Richard B. Johnson
2005-06-23 12:33 ` Andreas Schwab
2005-06-23 12:46 ` Richard B. Johnson
2005-06-23 15:09 ` Richard B. Johnson
2005-06-23 21:42 ` Alan Cox [this message]
2005-06-24 11:42 ` Richard B. Johnson
2005-06-26 17:18 ` Alan Cox
2005-06-26 18:14 ` Mike Galbraith
[not found] <4iz0p-5fH-7@gated-at.bofh.it>
2005-06-23 23:39 ` Robert Hancock
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=1119546715.17066.20.camel@localhost.localdomain \
--to=alan@lxorguk.ukuu.org.uk \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-os@analogic.com \
--cc=schwab@suse.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®