Re: [Bugme-new] [Bug 12562] New: High overhead while switching orsynchronizing threads on different cores

From: Peter Zijlstra
Date: Mon Feb 02 2009 - 03:55:37 EST


On Mon, 2009-02-02 at 09:52 +0100, Mike Galbraith wrote:
> On Mon, 2009-02-02 at 09:33 +0100, Thomas Pilarski wrote:
> > Am Montag, den 02.02.2009, 09:19 +0100 schrieb Peter Zijlstra:
> > > I suppose you'll have to go bug the glibc people about their random()
> > > implementation.
> >
> > Yes, I will.
>
> Finding the below was easy enough...

Ah, that was a good clue, apparently all you need to so it use
random_r() and provide your own state and all should be well.

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