Messages in this thread | | | Date | Tue, 26 May 1998 10:11:28 +0100 (BST) | From | Riley Williams <> | Subject | Re: Cyrix 6x86MX and Centaur C6 CPUs in 2.1.102 |
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Hi there.
>>> Yes, but for all the chips produced up to now it is equal, and >>> for later chips we may decide based on the chip revision / >>> manufacturer and if needed apply a TSC per sec / CPU clocks per >>> sec ratio for the respective chip to get the correct CPU frequency.
>> Do we need to have such ugliness in the kernel? I know no reason >> for calculating CPU clock rate in the kernel as apposed to the TSC >> frequency which is really needed when you want to use the TSC for >> measuring real time.
> Actually, I don't find it that ugly. And, it's true that we don't > need it, however many users might find it useful to see what > frequency their CPU is running on, since many BIOSes don't either > report it, or report wrong values.
> And since there are not any processors for which TSC speed is > different from their clock, and I doubt there will be, and since we > need to measure the TSC speed anyway, I think its worth it to > append it to the CPU string in the bootup messages and put it into > /proc/cpu.
Perhaps this could be added as a set of configuration options based on the processor selected?
Best wishes from Riley.
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