From: Chris Friesen <cfriesen@nortel.com>
To: Robert Hancock <hancockr@shaw.ca>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: question on 2.4 scheduler, threads, and priority inversion
Date: Tue, 19 Apr 2005 17:38:27 -0600 [thread overview]
Message-ID: <42659673.9080901@nortel.com> (raw)
In-Reply-To: <426594B1.9000307@shaw.ca>
Robert Hancock wrote:
> I believe that in the old LinuxThreads implementation the manager thread
> is the one that handles all signals, so it may need its priority
> increased as well. NPTL threads likely handle this much better (there is
> no manager thread).
Some experimenting leads me to believe that both the main thread and the
manager thread must be of higher priority than the cpu hogging thread,
otherwise priority inversion issues occur.
I was fairly shocked that even a "kill -9" failed to work though...
Chris
next prev parent reply other threads:[~2005-04-19 23:39 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <3V45v-tx-39@gated-at.bofh.it>
2005-04-19 23:30 ` question on 2.4 scheduler, threads, and priority inversion Robert Hancock
2005-04-19 23:38 ` Chris Friesen [this message]
2005-04-19 16:46 Chris Friesen
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