Messages in this thread |  | | | Date | Fri, 6 Jul 2001 17:41:16 -0300 (BRST) | | From | Rik van Riel <> | | Subject | Re: Strange thread behaviour on 8-way x86 machine |
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On Fri, 6 Jul 2001, Sasha Pachev wrote: > On Friday 06 July 2001 13:24, Rik van Riel wrote: > > On Fri, 6 Jul 2001, Sasha Pachev wrote: > > > > > Upon further investigation and testing, it turned out that the kernel was > not > > > at fault - the problem was high mutex contention, which caused frequent > > > context switches, and the idle CPU was apparently from the scheduler > waiting > > > for the original CPU to become available too often. > > > > > > On a side note, it would be nice if a process could communicate > > > to the kernel that it would rather run on the first available > > > CPU than wait for the perfect one to become available. > > > > The kernel already does this. > > Thanks for the info. Would you mind proving a one line pointer > on how to tell this to the kernel?
It always does this, by default. AFAIK you cannot turn it off.
Rik -- Executive summary of a recent Microsoft press release: "we are concerned about the GNU General Public License (GPL)"
http://www.surriel.com/ http://www.conectiva.com/ http://distro.conectiva.com/
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