How many CPUs do I have?
Leon Stringer
leon.stringer at ntlworld.com
Thu Feb 3 11:18:55 UTC 2005
Hi,
I've got a system with FC3 on that I can't easily get inside of.
Yesterday the kernel crashed (apparently when I reconnected a network
cable).
So I updated the kernel RPM from 2.6.9 to 2.6.10. I chose the SMP
version but now wonder if that's correct. On Windows some new Pentiums -
those with hyper-threading I believe - show as two processors in Task
Manager. /proc/cpuinfo shows two processors but top only shows 1.
So my questions are:
1. How many CPUs do I have? (See line from top and /proc/cpuinfo below).
2. Is there a problem running the SMP kernel package (e.g kernel-
smp-2.6.10-1.741_FC3.i686.rpm) on a single CPU system?
3. Would hyper-threading benefit from the SMP package?
Thanks in advance for any help,
Leon...
---
/proc/cpuinfo:
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 3
model name : Intel(R) Pentium(R) 4 CPU 3.00GHz
stepping : 3
cpu MHz : 2995.275
cache size : 1024 KB
physical id : 0
siblings : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat
pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe pni monitor ds_cpl
cid
bogomips : 5931.00
processor : 1
vendor_id : GenuineIntel
cpu family : 15
model : 3
model name : Intel(R) Pentium(R) 4 CPU 3.00GHz
stepping : 3
cpu MHz : 2995.275
cache size : 1024 KB
physical id : 0
siblings : 2
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat
pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe pni monitor ds_cpl
cid
bogomips : 5980.16
CPU line from top:
Cpu(s): 0.0% us, 0.0% sy, 0.0% ni, 100.0% id, 0.0% wa, 0.0% hi,
0.0% si
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