* Peter Zijlstra <pet...@infradead.org> wrote: > On Wed, Jun 26, 2013 at 11:37:13AM +0200, Ingo Molnar wrote: > > Would be very nice to randomize the sampling rate, by randomizing the > > intervals within a 1% range or so - perf tooling will probably recognize > > the different weights. > > You're suggesting adding noise to the regular kernel tick?
No, to the perf interval (which I assumed Mike was using to profile this?) - although slightly randomizing the kernel tick might make sense as well, especially if it's hrtimer driven and reprogrammed anyway. I might have gotten it all wrong though ... Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/