From: Robert Hancock <hancockr@shaw.ca>
To: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Possible spin-problem in nanosleep()
Date: Thu, 23 Jun 2005 17:39:13 -0600 [thread overview]
Message-ID: <42BB4821.8040308@shaw.ca> (raw)
In-Reply-To: <4iz0p-5fH-7@gated-at.bofh.it>
Richard B. Johnson wrote:
> Is this a known problem? Is it going to be fixed? In a possibly
> related note, the following:
>
> main()
> {
> for(;;)
> sched_yield();
> }
>
> .... is shown to be spinning, by 'top' not sleeping. This, even though
> it is giving up its quantum continuously.
If no other processes are runnable, this will still use 100% of the CPU.
--
Robert Hancock Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@nospamshaw.ca
Home Page: http://www.roberthancock.com/
next parent reply other threads:[~2005-06-23 23:42 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4iz0p-5fH-7@gated-at.bofh.it>
2005-06-23 23:39 ` Robert Hancock [this message]
2005-06-23 12:18 Possible spin-problem in nanosleep() 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
2005-06-24 11:42 ` Richard B. Johnson
2005-06-26 17:18 ` Alan Cox
2005-06-26 18:14 ` Mike Galbraith
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