Re: [PATCH] perf/core: introduce context per CPU event list

From: Peter Zijlstra
Date: Thu Nov 10 2016 - 03:34:14 EST




Yes this is a problem, but no this cannot be done. We can't have per-cpu
storage per task. That rapidly explodes.

Mark is looking at replacing this stuff with an rb-tree for big-little,
that would also allow improving this I think.