http://bugs.winehq.org/show_bug.cgi?id=16328
--- Comment #128 from Warren Dumortier nwarrenfl@gmail.com 2009-12-31 09:41:12 --- Isn't there any option in the config file or some commandline parameter to specify cores to GTA IV?
Thanks for sharing, but it can be done using the system monitor too (on KDE at least), will try it ASAP.