Messages in this thread | | | Date | Wed, 13 Dec 2017 08:15:19 -0800 | From | Tejun Heo <> | Subject | Re: [RFC] Sharing PMU counters across compatible events |
| |
Hello, Jiri.
On Wed, Dec 13, 2017 at 11:18:07AM +0100, Jiri Olsa wrote: > so I can see this to be useful for HW conters only, because > of limited number of regs > > as for the higher level on which this could be implemented I > see some pitfals with event rotations as Peter mentioned and > task/cpu contexts scheduling.. while the hw-level implementation > seems pretty straight forward
Heh, yeah, maybe.
> I'll test the code and let's see ;-)
Thanks. I'll think more about it and see whether this can be evolved into something useable.
Thanks.
-- tejun
| |