Re: [PATCH v2 0/4] Utilization estimation (util_est) for FAIR tasks

From: Peter Zijlstra
Date: Wed Dec 13 2017 - 11:04:15 EST


On Tue, Dec 05, 2017 at 05:10:14PM +0000, Patrick Bellasi wrote:
> With this feature enabled, the measured overhead is in the range of ~1%
> on the same HW/SW test configuration.

That's quite a lot; did you look where that comes from?