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Going back to that mysterious idle time fluctuation problem, I just noticed something interesting here: > With hashvec, (64K buckets)> > real user sys > 29.62 23.87 3.02 > 28.80 24.16 3.07 > 50.95 24.11 3.04 > 28.17 23.95 3.20 > 61.21 23.89 3.16 > 28.61 23.88 3.30 > > With vmalloc (64K buckets) > > real user sys > 29.67 23.98 2.88 > 28.35 23.96 3.13 > 52.29 24.16 2.89 > 28.39 24.07 2.97 > 65.13 24.08 3.01 > 28.08 24.02 3.16 Look, the real time artifacts show up in the same places in the two different runs. There was a reboot before each run. There is a sync before and after each trial. Each trial was initiated by hand, so this isn't about something else going on in the machine at the same time. Got to be a clue in there somewhere. Regards, Daniel - 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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