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Robert Hancock wrote: >>>> Actually, we need to ask the CPU/System makers to provide a system wide > Generally user mode code should just be using gettimeofday. When the TSC > is usable as a sane time source, the kernel will use it. When it's not, > it will use something else like the HPET, ACPI PM Timer or (at last > resort) the PIT, in increasing degrees of slowness. > But gettimeofday is much too expensive compared to RDTSC. Wink - 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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