2013/1/29 Steven Rostedt <rost...@goodmis.org>: > On Mon, 2013-01-28 at 19:02 -0500, Steven Rostedt wrote: > >> I've ran these through some basic tests and I don't see any issues. But >> why did you drop the 'comment' patch that you had in v6? >> >> Acked-by: Steven Rostedt <rost...@goodmis.org> >> > > I'm sorry but I need to un-Ack. Due to a test machine setup error, I've > been testing the same config over and over and not other configs. > > Everything works great up until I enabled the dynamic tick and force > context tracking. > > User time seems to be pretty much the same, but the kernel time is > screwed: > > For all my other tests (I finally tested other configs and without your > patches) I had my kernel time test report something like this: > > [root@bxtest ~]# time /work/c/kernelspin 10 > > real 0m10.001s > user 0m1.114s > sys 0m8.886s > > > But after enabling the force context_tracking I get this: > > [root@bxtest ~]# time /work/c/kernelspin 10 > > real 0m10.001s > user 0m3.769s > sys 0m6.203s > > > Consistently. All the other runs always had a 1.X 8.X ratio. This seems > to give 3.7x 6.2x ratio consistently. Maybe it's more accurate then the > others. Or something else is broken. > > I'll look deeper into it.
Please send me your kernelspin so I can test as well. Thanks. > > -- Steve > > -- 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/
