Ingo Molnar wrote: >> How reliable does it need to be? All we need is to measure "about 10 >> seconds"; if we can't get that out of it, how can it be good for >> anything else? >> > > sched_clock(), as its name suggests it, is meant for the scheduler's > use. The scheduler generally only needs to measure time when the CPU is > busy - not across idle periods. So sched_clock() can (and will) break > across certain types of ACPI idle methods. >
Doesn't that mean it will mis-measure process idle times? Is that a problem? J - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/