On 11/10/10 11:56, Ivan Klymenko wrote: > Hello! People. > > Who can explain the purpose of sysctl variable kern.smp.topology? > What does it affect? > > It may take such values: > 1 -Dual core with no sharing. > 2 -No topology, all cpus are equal. > 3 -Dual core with shared L2. > 4 -quad core, shared l3 among each package, private l2. > 5 -quad core, 2 dualcore parts on each package share l2. > 6 -Single-core 2xHTT > 7 -quad core with a shared l3, 8 threads sharing L2. > default-Default, ask the system what it wants. > > Does it make sense to set its value manually, if I know that my CPU Core2Duo? > How to do this, select a value? > > I not found this explanation in any of the official guides ...
Short answer is: you should not have to touch it, ever. Long answer: it's used mostly for testing ULE and debugging topology-related problems. It's even less relevant in recent kernels (9, 8-stable) where a better topology parser has been committed. _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[email protected]"
