On Wed, 2015-05-06 at 08:52 +0200, Mike Galbraith wrote: > On Tue, 2015-05-05 at 23:06 -0700, Paul E. McKenney wrote: > > > > 100000000 * stat() on isolated cpu > > > > > > NO_HZ_FULL off inactive housekeeper nohz_full > > > real 0m14.266s 0m14.367s 0m20.427s 0m27.921s > > > user 0m1.756s 0m1.553s 0m1.976s 0m10.447s > > > sys 0m12.508s 0m12.769s 0m18.400s 0m17.464s > > > (real) 1.000 1.007 1.431 1.957 > > > > Does the attached patch help at all? > > nohz_full > 0m27.073s > 0m9.423s > 0m17.602s > > Not a complete retest, and a pull in between, but I'd say that's a no.
(well, a second is a nice "at all", just not a _huge_ "at all";) -- 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/
