On Fri, 12 May 2017, Marcelo Tosatti wrote: > > What exactly is the issue you are seeing and want to address? I think we > > have similar aims and as far as I know the current situation is already > > good enough for what you may need. You may just not be aware of how to > > configure this. > > I want to disable vmstat worker thread completly from an isolated CPU. > Because it adds overhead to a latency target, target which > the lower the better. NOHZ already does that. I wanted to know what your problem is that you see. The latency issue has already been solved as far as I can tell . Please tell me why the existing solutions are not sufficient for you. > > I doubt that doing inline updates will do much good compared to what we > > already have and what the dataplan mode can do. > > Can the dataplan mode disable vmstat worker thread completly on a given > CPU? That already occurs when you call quiet_vmstat() and is used by the NOHZ logic. Configure that correctly and you should be fine. -- 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
