Messages in this thread | | | Date | Tue, 15 Apr 2014 15:13:11 +0200 | From | Peter Zijlstra <> | Subject | Re: [RFC PATCHC 0/3] sched/idle : find the idlest cpu with cpuidle info |
| |
On Tue, Apr 01, 2014 at 11:05:16AM +0200, Vincent Guittot wrote: > >> We are working on a bench which can generate middle load pattern with > >> idle CPUs but it's not available yet. In the mean time, one bench that > >> plays with idle time is cyclictest, it will not give you performance > >> results but only scheduling latency which might be what you are > >> looking for. > > > > > > Yeah, thanks. I believe I know what is in the rt-tests package :) > > > > What I meant is what kind of values would you like to see with this patchset > > ? > > IIUC, you patch tries to improve the wake up latency of a task by > selecting the CPUs with the shallowest C-state, so this metrics seems > to be a good candidate
cyclic-test might be too regular to really measure anything though.
| |