[ntp:questions] Re: linux system clock egregiously slow!
dave-gnus at bfnet.com
Thu Jan 22 04:07:19 UTC 2004
>> It says about 149MHz, which is what I expect.
Hal> Does the MIPS cycle counter count every other cycle? If so, I'd
Hal> expect 150 rather than 149. How close is your "which is what I
Hal> expect"? Is it within a few PPM, or is it off enough to explain
Hal> what you are seeing?
It is actually 149605480. I haven't done the math in a while, but
taking our actual CPU clock frequency into account it is within a few
PPM of two instruction cycles per counter increment. Whereas the
linux system clock is closer to 800PPM slow!
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