On Wed, Aug 29, 2018 at 10:51:42AM +0200, Vincent Guittot wrote: > Scaling the utilization of CPUs with irq util_avg in schedutil doesn't give > any benefit and just waste CPU cycles when irq time is not accounted but > only steal time. > Add an internal _scale_irq_capacity() for scale_rt_capacity but scale > cpu utilization in schedutil only if we are accounting irq time.
This makes a mess of things; also it doesn't really do what it says. Even if we have CONFIG_IRQ_TIME_ACCOUNTING, that doesn't mean we do it, just that it is capable.
