In response to Dinesh Nair <[EMAIL PROTECTED]>: > On Sun, 18 Nov 2007 12:29:32 +0200, Manolis Kiagias wrote: > > > Wojciech Puchar wrote: > > > i have machune with intel's CPU with hyperthreading. > > > > > > it is detected right, but only first thread is ever used. > > > > > > top shows at least 50% idle no matter what i run! > > > > > > what's wrong? > > To enable hyperthreading, try setting the following in /etc/sysctl.conf: > > > > machdep.hyperthreading_allowed=1 > > > > and reboot (or execute sysctl machdep.hyperthreading_allowed=1 by hand). > > would an SMP kernel be required to properly use hyperthreading, or would > just the above sysctl setting be enough ?
The SMP kernel is required as well. -- Bill Moran http://www.potentialtech.com _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
