Re: BogoMIPS

[Jean-Bernard EMOND <jbemond@free.fr>]

Admar Schoonen a écrit :
> On Wed, Sep 13, 2006 at 04:35:14PM +0200, Daniel Liikamaa wrote:
> > Does anyone know why the BogoMIPS value on my SunBlade 100 is shown as
> > 11.11 instead of the correct value, when running a 2.6.x kernel?
> > This is not Debian specific at all, I had the same problem under
> > Gentoo... Just wondering what causes it.
>
> $ cat /proc/cpuinfo
> cpu             : TI UltraSparc IIe (Hummingbird)
> fpu             : UltraSparc IIe integrated FPU
> promlib         : Version 3 Revision 17
> prom            : 4.17.1
> type            : sun4u
> ncpus probed    : 1
> ncpus active    : 1
> D$ parity tl1   : 0
> I$ parity tl1   : 0
> Cpu0Bogo        : 1001.47
> Cpu0ClkTck      : 000000001debe980
> MMU Type        : Spitfire
>
> running stock 2.6.16-2-sparc64
>
> What is your cpu frequency? Is it still 500 MHz?
>
> BTW: linux-image-2.6.17-2-sparc64 would not boot up on my blade 100; it stops
> just before it should initialize the framebuffer). Anyone else with this
> problem? (Or with a blade 100 which does run 2.6.17?)
>
> Admar
~1000 Bogo It's very light...

On 4 Xeon I find this :

shyrka:~/sbin# cat /proc/cpuinfo
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 15
model           : 2
model name      : Intel(R) Xeon(TM) CPU 2.40GHz
stepping        : 9
cpu MHz         : 2399.779
cache size      : 512 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     : 2
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 pbe cid
bogomips        : 4751.36

processor       : 1
vendor_id       : GenuineIntel
cpu family      : 15
model           : 2
model name      : Intel(R) Xeon(TM) CPU 2.40GHz
stepping        : 9
cpu MHz         : 2399.779
cache size      : 512 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     : 2
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 pbe cid
bogomips        : 4784.12

processor       : 2
vendor_id       : GenuineIntel
cpu family      : 15
model           : 2
model name      : Intel(R) Xeon(TM) CPU 2.40GHz
stepping        : 9
cpu MHz         : 2399.779
cache size      : 512 KB
physical id     : 3
siblings        : 2
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
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 pbe cid
bogomips        : 4784.12

processor       : 3
vendor_id       : GenuineIntel
cpu family      : 15
model           : 2
model name      : Intel(R) Xeon(TM) CPU 2.40GHz
stepping        : 9
cpu MHz         : 2399.779
cache size      : 512 KB
physical id     : 3
siblings        : 2
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
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 pbe cid
bogomips        : 4784.12