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On Mon, May 09, 2005 at 03:09:33PM -0400, Joe Seigh wrote: [ . . . ] > *** The per cpu times are in jiffies rounded off from some higher > resolution value. > This means that for n time counters, you may have to wait up to n jiffies > for > at least one round up to occur. It would be nicer to have the higher > resolution > value or even better a per processor number of interrupts to allow more > flexibility > and finer granularity in polling intervals. You can use smp_call_function() to invoke a function on each of the other CPUs. The implementations of smp_call_function() use inter-processor interrupts, which should suffice, but you can always make the called function just execute a memory barrier. Thanx, Paul - 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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