Re: [RFC PATCH v1 2/2] proc: add /proc/<pid>/thread_state

[Ingo Molnar]

* Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:

> On Thu, Nov 08, 2018 at 07:32:46AM +0100, Ingo Molnar wrote:
> > 
> > * Aubrey Li <aubrey.li@xxxxxxxxx> wrote:
> > 
> > > Expose the per-task cpu specific thread state value, it's helpful
> > > for userland to classify and schedule the tasks by different policies
> > 
> > That's pretty vague - what exactly would use this information? I'm sure 
> > you have a usecase in mind - could you please describe it?
> 
> Yeah, "thread_state" is a pretty terrible name for this. The use-case is
> detectoring which tasks use AVX3 such that a userspace component (think
> job scheduler) can cluster them together.

I'd prefer the kernel to do such clustering...

Thanks,

	Ingo