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SubjectRe: [PATCH 0/4] perf: Add new macros for mem_hops field
Em Mon, Dec 06, 2021 at 02:47:45PM +0530, Kajol Jain escreveu:
> Patchset adds new macros for mem_hops field which can be
> used to represent remote-node, socket and board level details.
>
> Currently the code had macro for HOPS_0, which corresponds
> to data coming from another core but same node.
> Add new macros for HOPS_1 to HOPS_3 to represent
> remote-node, socket and board level data.
>
> For ex: Encodings for mem_hops fields with L2 cache:

I checked and this hasn't hit mainstream, is it already merged on a tree
where this is slated to be submitted in the next window? If so please
let me know which one so that I can merge it on perf/core.

- Arnaldo

> L2 - local L2
> L2 | REMOTE | HOPS_0 - remote core, same node L2
> L2 | REMOTE | HOPS_1 - remote node, same socket L2
> L2 | REMOTE | HOPS_2 - remote socket, same board L2
> L2 | REMOTE | HOPS_3 - remote board L2
>
> Patch 1 & 2 adds tool and kernel side changes to add new macros for
> mem_hops field
>
> Patch 3 add data source encodings for power10 and older platforms
> to represent data based on newer composite PERF_MEM_LVLNUM* fields
>
> Patch 4 add data source encodings with proper sub_index used to
> represent memory/cache level data for power10 platform.
>
> Kajol Jain (4):
> perf: Add new macros for mem_hops field
> tools/perf: Add new macros for mem_hops field
> powerpc/perf: Add encodings to represent data based on newer composite
> PERF_MEM_LVLNUM* fields
> powerpc/perf: Add data source encodings for power10 platform
>
> arch/powerpc/perf/isa207-common.c | 60 ++++++++++++++++++++-------
> include/uapi/linux/perf_event.h | 5 ++-
> tools/include/uapi/linux/perf_event.h | 5 ++-
> tools/perf/util/mem-events.c | 29 ++++++++-----
> 4 files changed, 71 insertions(+), 28 deletions(-)
>
> --
> 2.27.0

--

- Arnaldo

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