Messages in this thread |  | | | From | Joerg Platte <> | | Subject | cpuinfo shows wrong MHz value | | Date | Sat, 14 Feb 2009 22:17:48 +0100 |
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I'm running kernel 2.6.28.4 and /proc/cpuinfo and powertop and vmware are unable to detect the correct speed (1.6 GHz) of the processor:
cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 1 model name : Intel(R) Pentium(R) 4 CPU 1.60GHz stepping : 2 cpu MHz : 13000.000 cache size : 256 KB 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 pebs bts bogomips : 3197.21 clflush size : 64 power management:
According to dmesg the kernel detects the CPU correctly during bootup:
Enabling fast FPU save and restore... done. Enabling unmasked SIMD FPU exception support... done. Initializing CPU#0 PID hash table entries: 4096 (order: 12, 16384 bytes) TSC: PIT calibration matches PMTIMER. 1 loops Detected 1598.609 MHz processor.
IIRC this behavior started some kernels ago, I can't remember which kernel it was. Is it possible that the ACPI information is wrong?
regards, Jörg -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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