On Sun, 2005-04-03 at 07:46 +0530, Arun Srinivas wrote: > I attached the 'dmesg' output because there it shows that my kernel > recogonized 2 cpu's.As said earlier , are they treated as 2 physical cpu's > or logical cpu's? >
As I said, they are logical [snip] > > > available > > > Apr 2 17:43:12 kulick2 kernel: CPU#1: Thermal monitoring enabled > > > Apr 2 17:43:12 kulick2 kernel: CPU1: Intel(R) Pentium(R) 4 CPU 3.00GHz > > > stepping 09 > > > Apr 2 17:43:12 kulick2 kernel: Total of 2 processors activated > >(11911.16 > > > BogoMIPS). > > > Apr 2 17:43:12 kulick2 kernel: cpu_sibling_map[0] = 1 > > > Apr 2 17:43:12 kulick2 kernel: cpu_sibling_map[1] = 0 > > > >Here you see that you have two CPUs. 0 is the sibling of 1 and 1 to 0. > >This just shows that you have HT. If you were to have a dual xeon, then > >you would see 4 CPUs and two pairs. > > > >-- Steve > > > I'll elaborate more. This says that you have a single CPU with hyperthreading. That's what the siblings mean. That they share a single physical CPU. -- Steve - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/