linux-kernel - Re: [PATCH v3 0/4] Add mem_hops field in perf_mem_data

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Message-ID: <YW1C5okzq/1BSLQy@hirez.programming.kicks-ass.net>
Date:   Mon, 18 Oct 2021 11:48:22 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Michael Ellerman <mpe@...erman.id.au>
Cc:     Kajol Jain <kjain@...ux.ibm.com>, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org, mingo@...hat.com, acme@...nel.org,
        jolsa@...nel.org, namhyung@...nel.org, ak@...ux.intel.com,
        linux-perf-users@...r.kernel.org, maddy@...ux.ibm.com,
        atrajeev@...ux.vnet.ibm.com, rnsastry@...ux.ibm.com,
        yao.jin@...ux.intel.com, ast@...nel.org, daniel@...earbox.net,
        songliubraving@...com, kan.liang@...ux.intel.com,
        mark.rutland@....com, alexander.shishkin@...ux.intel.com,
        paulus@...ba.org
Subject: Re: [PATCH v3 0/4] Add mem_hops field in perf_mem_data_src structure

On Mon, Oct 18, 2021 at 02:46:18PM +1100, Michael Ellerman wrote:
> Peter Zijlstra <peterz@...radead.org> writes:
> > On Wed, Oct 06, 2021 at 07:36:50PM +0530, Kajol Jain wrote:
> >
> >> Kajol Jain (4):
> >>   perf: Add comment about current state of PERF_MEM_LVL_* namespace and
> >>     remove an extra line
> >>   perf: Add mem_hops field in perf_mem_data_src structure
> >>   tools/perf: Add mem_hops field in perf_mem_data_src structure
> >>   powerpc/perf: Fix data source encodings for L2.1 and L3.1 accesses
> >> 
> >>  arch/powerpc/perf/isa207-common.c     | 26 +++++++++++++++++++++-----
> >>  arch/powerpc/perf/isa207-common.h     |  2 ++
> >>  include/uapi/linux/perf_event.h       | 19 ++++++++++++++++---
> >>  tools/include/uapi/linux/perf_event.h | 19 ++++++++++++++++---
> >>  tools/perf/util/mem-events.c          | 20 ++++++++++++++++++--
> >>  5 files changed, 73 insertions(+), 13 deletions(-)
> >
> > Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>
> >
> > How do we want this routed? Shall I take it, or does Michael want it in
> > the Power tree?
> 
> It's mostly non-powerpc, so I think you should take it.
> 
> There's a slim chance we could end up with a conflict in the powerpc
> part, but that's no big deal.

Sure thing, into perf/core it goes. Thanks!