From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robert Schwebel Subject: Re: Question regarding pthread_cond_wait/pthread_cond_signal latencies Date: Sun, 22 May 2011 20:37:23 +0200 Message-ID: <20110522183722.GF13029@pengutronix.de> References: <1305886116.10494.30.camel@laika> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Cc: linux-rt-users@vger.kernel.org To: Pedro Gonnet Return-path: Received: from metis.ext.pengutronix.de ([92.198.50.35]:42362 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751086Ab1EVShY (ORCPT ); Sun, 22 May 2011 14:37:24 -0400 Content-Disposition: inline In-Reply-To: <1305886116.10494.30.camel@laika> Sender: linux-rt-users-owner@vger.kernel.org List-ID: Pedro, On Fri, May 20, 2011 at 11:08:36AM +0100, Pedro Gonnet wrote: > The library uses pthreads (plus some OpenMP for some simple loops) and > uses pthread_cond_wait and pthread_cond_signal to coordinate a group > of worker threads. Are you aware of this: http://sourceware.org/bugzilla/show_bug.cgi?id=11588 rsc -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |