Peter Zijlstra writes:
> On Tue, Sep 14, 2021 at 08:40:38PM +1000, Michael Ellerman wrote:
>> Peter Zijlstra writes:
>
>> > I'm thinking we ought to keep hops as steps along the NUMA fabric, with
>> > 0 hops being the local node. That only gets us:
>> >
>> > L2, remote=0, hops=HOPS_0 -- our L2
>
On Tue, Sep 14, 2021 at 08:40:38PM +1000, Michael Ellerman wrote:
> Peter Zijlstra writes:
> > I'm thinking we ought to keep hops as steps along the NUMA fabric, with
> > 0 hops being the local node. That only gets us:
> >
> > L2, remote=0, hops=HOPS_0 -- our L2
> > L2, remote=1, hops=HOPS_0 --
Peter Zijlstra writes:
> On Thu, Sep 09, 2021 at 10:45:54PM +1000, Michael Ellerman wrote:
>
>> > The 'new' composite doesnt have a hops field because the hardware that
>> > nessecitated that change doesn't report it, but we could easily add a
>> > field there.
>> >
>> > Suppose we add, mem_hops:3
On Thu, Sep 09, 2021 at 10:45:54PM +1000, Michael Ellerman wrote:
> > The 'new' composite doesnt have a hops field because the hardware that
> > nessecitated that change doesn't report it, but we could easily add a
> > field there.
> >
> > Suppose we add, mem_hops:3 (would 6 hops be too small?) an
Peter Zijlstra writes:
> On Wed, Sep 08, 2021 at 05:17:53PM +1000, Michael Ellerman wrote:
>> Kajol Jain writes:
>
>> > diff --git a/include/uapi/linux/perf_event.h
>> > b/include/uapi/linux/perf_event.h
>> > index f92880a15645..030b3e990ac3 100644
>> > --- a/include/uapi/linux/perf_event.h
>> >
On Wed, Sep 08, 2021 at 05:17:53PM +1000, Michael Ellerman wrote:
> Kajol Jain writes:
> > diff --git a/include/uapi/linux/perf_event.h
> > b/include/uapi/linux/perf_event.h
> > index f92880a15645..030b3e990ac3 100644
> > --- a/include/uapi/linux/perf_event.h
> > +++ b/include/uapi/linux/perf_ev
Kajol Jain writes:
> Add couple of new macros to represent onchip L2 and onchip L3 accesses.
It would be "on chip". But I think this needs much more explanation,
this is a generic header so these definitions need to make sense, and
have an understood meaning, across all architectures.
I think mo
