On Thu, Dec 14, 2017 at 03:14:00PM -0600, Christopher Lameter wrote: > On Thu, 14 Dec 2017, Mathieu Desnoyers wrote: > > > If we port this concept to kernel-space (as I start to understand > > would be your wish), then a simple pointer store to the current > > task_struct would suffice. > > Certainly such a port would be beneficial for non x86 archs. > > But my company has extensive user space code that maintains a lot of > counters and does other tricks to get full performance out of the > hardware. Such a mechanism would also be good from user space. Why keep > the good stuff only inside the kernel?
Mathieu's proposal is for userspace, _only_ userspace.
