Hello, Peter. On Tue, Dec 12, 2017 at 11:37:36PM +0100, Peter Zijlstra wrote: > That would be a fairly massive change from how perf works today. And the > obvious pain point would be changing the per-cpu event set, which would > mean recomputing all possible combinations of task sets. > > Also note that each context (cpu,task) is allowed to have more events > than fit on the PMU, at which point we'll start rotating events. Do we > also pre-compute all possible rotation sets? > > Just not quite seeing this..
Yeah, right. Will think more about it Thanks. -- tejun
