Re: 2.2.0pre4 detects a "166193960 Hz processor"

George (greerga@nidhogg.ham.muohio.edu)
Fri, 8 Jan 1999 13:44:00 -0500 (EST)


On 7 Jan 1999, Anders Melchiorsen wrote:

>Helge Hafting <helge.hafting@daldata.no> writes:
>
>> > In short, looks fine to me. Maybe not pretty, but hey, who reads bootup
>> > messages anyway?
>>
>> I like it. If it is measured with such high precision, why not
>> show it? :-)
>
>It isn't. The last four digits seem rather random here.

Here too.

Jan 5 06:21:30 moving kernel: Detected 232105767 Hz processor.
Jan 5 06:21:30 moving kernel: ..... CPU clock speed is 232.1054 MHz.
Jan 6 19:39:00 moving kernel: Detected 232109944 Hz processor.
Jan 6 19:39:00 moving kernel: ..... CPU clock speed is 232.1054 MHz.
Jan 6 19:51:13 moving kernel: Detected 232108565 Hz processor.
Jan 6 19:51:13 moving kernel: ..... CPU clock speed is 232.1071 MHz.
Jan 6 19:55:01 moving kernel: Detected 232107862 Hz processor.
Jan 6 19:55:01 moving kernel: ..... CPU clock speed is 232.1078 MHz.
Jan 7 18:48:29 moving kernel: Detected 232108000 Hz processor.
Jan 7 18:48:29 moving kernel: ..... CPU clock speed is 232.1068 MHz.
Jan 7 18:55:06 moving kernel: Detected 232106181 Hz processor.
Jan 7 18:55:06 moving kernel: ..... CPU clock speed is 232.1075 MHz.
Jan 8 07:02:22 moving kernel: Detected 232109681 Hz processor.
Jan 8 07:02:22 moving kernel: ..... CPU clock speed is 232.1070 MHz.

The TSC and APIC disagree, but the APIC appears to be more stable.

-George

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