From: Rafael R. Pappalardo (rafapa_at_us.es)
Date: Mon Jan 16 2006 - 16:42:52 CET
From: "Rafael R. Pappalardo" <rafapa@us.es> Date: Mon, 16 Jan 2006 16:42:52 +0100 Message-Id: <200601161642.52345.rafapa@us.es> Subject: Re: [suse-sles-e] SLES uses only one CPU
On Monday 16 January 2006 16:31, Steffen Wirth wrote:
> Hi :)
>
> SLES uses only one Prozessor from my 2 cpus (2cpus == 4 processors [
> Dual Xeon 3 Ghz]).
> I am currently test the system ans has a task that has 99% of CPU, but
> overall only 25%
> An example is here: http://lnx-support.de/pub/cpu.jpg
>
> But all 4 prozessors are identified:
>
> oracle01:~ # cat /proc/cpuinfo
> processor : 0
> vendor_id : GenuineIntel
> cpu family : 15
> model : 4
> model name : Intel(R) Xeon(TM) CPU 3.00GHz
> stepping : 3
> cpu MHz : 2992.640
> cache size : 2048 KB
> physical id : 0
> siblings : 2
> core id : 0
> cpu cores : 1
> fpu : yes
> fpu_exception : yes
> cpuid level : 5
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
> mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall
> nx lm pni monit
> or ds_cpl cid cmpxchg16b
> bogomips : 5914.62
> clflush size : 64
> cache_alignment : 128
> address sizes : 36 bits physical, 48 bits virtual
> power management:
>
> processor : 1
> vendor_id : GenuineIntel
> cpu family : 15
> model : 4
> model name : Intel(R) Xeon(TM) CPU 3.00GHz
> stepping : 3
> cpu MHz : 2992.640
> cache size : 2048 KB
> physical id : 3
> siblings : 2
> core id : 3
> cpu cores : 1
> fpu : yes
> fpu_exception : yes
> cpuid level : 5
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
> mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall
> nx lm pni monit
> or ds_cpl cid cmpxchg16b
> bogomips : 5980.16
> clflush size : 64
> cache_alignment : 128
> address sizes : 36 bits physical, 48 bits virtual
> power management:
>
> processor : 2
> vendor_id : GenuineIntel
> cpu family : 15
> model : 4
> model name : Intel(R) Xeon(TM) CPU 3.00GHz
> stepping : 3
> cpu MHz : 2992.640
> cache size : 2048 KB
> physical id : 0
> siblings : 2
> core id : 0
> cpu cores : 1
> fpu : yes
> fpu_exception : yes
> cpuid level : 5
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
> mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall
> nx lm pni monit
> or ds_cpl cid cmpxchg16b
> bogomips : 5980.16
> clflush size : 64
> cache_alignment : 128
> address sizes : 36 bits physical, 48 bits virtual
> power management:
>
> processor : 3
> vendor_id : GenuineIntel
> cpu family : 15
> model : 4
> model name : Intel(R) Xeon(TM) CPU 3.00GHz
> stepping : 3
> cpu MHz : 2992.640
> cache size : 2048 KB
> physical id : 3
> siblings : 2
> core id : 3
> cpu cores : 1
> fpu : yes
> fpu_exception : yes
> cpuid level : 5
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
> mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall
> nx lm pni monit
> or ds_cpl cid cmpxchg16b
> bogomips : 5980.16
> clflush size : 64
> cache_alignment : 128
> address sizes : 36 bits physical, 48 bits virtual
> power management:
>
> Why SLES use not all?
Maybe the application is not parallelized. Did you compiled it from source?
-- Dr. Rafael R. Pappalardo Physical Chemistry Dept., Univ. de Sevilla (Spain) e-mail: rafapa@us.es --------------------------------------------------------------------- To unsubscribe, e-mail: suse-sles-e-unsubscribe@suse.com For additional commands, e-mail: suse-sles-e-help@suse.com
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