On Thu, Apr 28, 2016 at 09:43:31PM -0700, David Carrillo-Cisneros wrote: > This hook allows architecture specific code to be called at the end of > the task switch and after perf_events' context switch but before the > scheduler lock is released. > > The specific use case in this series is to avoid multiple writes to a slow > MSR until all functions which modify such register in task switch have > finished.
Yeah, no. This really need way more justification. Why can't you use the regular perf sched-in stuff for CQM?
