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[Bug nptl/4274] Performance issue: pthread_cond_signal() causes three context switches instead of one
- From: "jakub at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: 28 Aug 2007 12:53:23 -0000
- Subject: [Bug nptl/4274] Performance issue: pthread_cond_signal() causes three context switches instead of one
- References: <20070325101629.4274.bart.vanassche@gmail.com>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From jakub at redhat dot com 2007-08-28 12:53 -------
If you want to avoid that, simply don't call pthread_cond_signal with the
mutex held.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=4274
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