On Sat, 19 Nov 2016, Piotr Gregor wrote: > Hi John, Clark, > > Recently I observed jitter of > 100 000 during tests of virtualized system. > In that case 30 years would change into 0.3 year which is not as much. > The jitter depends on the hardware/software you test, what if someone > deliberately wishes to measure jitter of more than this or he is just > out of luck and gets huge values? > Also, the limit will change if the type of average changes, but if it > is calculated in the way I proposed, it will always work. > Apart from this, since the benign possibility exists - why not to fix this > if the fix is easy. > I already explained why. Everytime you do a floating point long division you are potentially accumulating small errors. Something is terribly wrong if you are getting a diff of greater than 100,000, if that really is true you need to fix it right away instead of run cyclictest for a long period of time. John> -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
