Messages in this thread |  | | From | Christoph Rohland <> | Subject | Re: Error in x86 CPU capabilities starting with test5/6 | Date | 17 Nov 2000 13:51:11 +0100 |
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Hi Alan,
On Fri, 17 Nov 2000, Alan Cox wrote: > Even checking the cpuinfo for the TSC should be done with care, and > its far far better to use gettimeofday unless doing very tiny > timings (eg for optimising code paths)
gettimeofday is _way_ to slow for a lot of every day uses. So applications will use rdtsc until we have some really fast (non-syscall) way to have high resolution time diffs.
Greetings Christoph
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