CPU frequency detection error?
Tz-Huan Huang
tzhuan at csie.org
Sun Mar 9 09:07:19 UTC 2008
Hi,
I have a IBM x3550 running 7-stable.
The CPU is
CPU: Intel(R) Xeon(R) CPU E5345 @ 2.33GHz (11368.47-MHz K8-class CPU)
Origin = "GenuineIntel" Id = 0x6fb Stepping = 11
Features=0xbfebfbff<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,HTT,TM,PBE>
Features2=0x4e3bd<SSE3,RSVD2,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,DCA>
AMD Features=0x20100800<SYSCALL,NX,LM>
AMD Features2=0x1<LAHF>
Cores per package: 4
But the dev.cpu.0 shows
dev.cpu.0.freq: 11311
dev.cpu.0.freq_levels: 11311/-1 9897/-1 8483/-1 7069/-1 5655/-1
4241/-1 2827/-1 1413/-1
The max frequency 11311 (11.3GHz?) is far larger than it should be (2.33GHz).
It causes something wrong on this system, for example:
[huan at cml2 ~]$ time sleep 1
real 0m4.929s
user 0m0.000s
sys 0m0.000s
Any suggestion? Thanks a lot~
Tz-Huan
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