On Mon, 2015-10-05 at 02:57 +0200, Carlos E. R. wrote:
On 2015-10-04 14:51, Mike Galbraith wrote:
On Sun, 2015-10-04 at 22:29 +1100, Basil Chupin wrote:
Further discussion in this thread shows that people may notice the difference in performance because of this change - so, for Chrissake, why make the change? Leave the CONFIG_HZ=1000 alone.
We decided to leave PREEMPT alone, because that really will make a difference for some. Tick frequency is another matter entirely.
Tick frequency was a major factor in the old O(1) scheduler, as that determined scheduling granularity given competing tasks of equal priority, but that has not been the case for a very long time. CFS does
I remember old discussions, perhaps by xine devs, that the tick frequency has some influence on these multimedia applications.
I don't see how, userspace defines HZ = 100. -Mike -- To unsubscribe, e-mail: opensuse-kernel+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse-kernel+owner@opensuse.org