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Message-ID: <20241108025535.wfhke3btch5af4fu@hippo>
Date: Fri, 8 Nov 2024 10:55:35 +0800
From: Xu Yang <xu.yang_2@....com>
To: Ian Rogers <irogers@...gle.com>
Cc: John Garry <john.g.garry@...cle.com>, Will Deacon <will@...nel.org>,
James Clark <james.clark@...aro.org>,
Mike Leach <mike.leach@...aro.org>, Leo Yan <leo.yan@...ux.dev>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Namhyung Kim <namhyung@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...nel.org>,
Adrian Hunter <adrian.hunter@...el.com>,
Kan Liang <kan.liang@...ux.intel.com>,
Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>,
Huacai Chen <chenhuacai@...nel.org>, Bibo Mao <maobibo@...ngson.cn>,
Athira Rajeev <atrajeev@...ux.vnet.ibm.com>,
Ben Zong-You Xie <ben717@...estech.com>,
Alexandre Ghiti <alexghiti@...osinc.com>,
Sandipan Das <sandipan.das@....com>,
Benjamin Gray <bgray@...ux.ibm.com>,
Ravi Bangoria <ravi.bangoria@....com>,
Clément Le Goffic <clement.legoffic@...s.st.com>,
Yicong Yang <yangyicong@...ilicon.com>,
"Masami Hiramatsu (Google)" <mhiramat@...nel.org>,
Dima Kogan <dima@...retsauce.net>,
"Dr. David Alan Gilbert" <linux@...blig.org>,
linux-arm-kernel@...ts.infradead.org,
linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v2 0/8] Refactor cpuid and metric table lookup code
On Thu, Nov 07, 2024 at 08:20:27AM -0800, Ian Rogers wrote:
> Xu Yang <xu.yang_2@....com> reported issues with the system metric
> lookup:
> https://lore.kernel.org/linux-perf-users/20241106085441.3945502-1-xu.yang_2@nxp.com/
> These patches remove a lot of the logic relating CPUIDs to PMUs so
> that the PMU isn't part of the question when finding a metric table.
> For time reasons, it doesn't go as far as allowing system metrics
> without a metric table as a metric table is needed for metrics to
> refer to other metrics, and the refactoring of that resolution is a
> hassle.
For this patchset:
Tested-by: Xu Yang <xu.yang_2@....com>
Thanks,
Xu Yang
>
> Ian Rogers (7):
> perf header: Move is_cpu_online to numa bench
> perf header: Refactor get_cpuid to take a CPU for ARM
> perf arm64 header: Use cpu argument in get_cpuid
> perf header: Avoid transitive PMU includes
> perf header: Pass a perf_cpu rather than a PMU to get_cpuid_str
> perf jevents: Add map_for_cpu
> perf pmu: Move pmu_metrics_table__find and remove ARM override
>
> Xu Yang (1):
> perf jevents: fix breakage when do perf stat on system metric
>
> tools/perf/arch/arm64/util/arm-spe.c | 14 +---
> tools/perf/arch/arm64/util/header.c | 73 ++++++++++-----------
> tools/perf/arch/arm64/util/pmu.c | 20 ------
> tools/perf/arch/loongarch/util/header.c | 4 +-
> tools/perf/arch/powerpc/util/header.c | 4 +-
> tools/perf/arch/riscv/util/header.c | 4 +-
> tools/perf/arch/s390/util/header.c | 6 +-
> tools/perf/arch/x86/util/auxtrace.c | 3 +-
> tools/perf/arch/x86/util/header.c | 5 +-
> tools/perf/bench/numa.c | 53 +++++++++++++++
> tools/perf/builtin-kvm.c | 4 +-
> tools/perf/pmu-events/empty-pmu-events.c | 39 ++++++-----
> tools/perf/pmu-events/jevents.py | 39 ++++++-----
> tools/perf/pmu-events/pmu-events.h | 2 +-
> tools/perf/tests/expr.c | 5 +-
> tools/perf/util/env.c | 4 +-
> tools/perf/util/expr.c | 6 +-
> tools/perf/util/header.c | 82 ++++++++----------------
> tools/perf/util/header.h | 23 +++----
> tools/perf/util/pmu.c | 25 --------
> tools/perf/util/pmu.h | 2 -
> tools/perf/util/probe-event.c | 1 +
> 22 files changed, 189 insertions(+), 229 deletions(-)
>
> --
> 2.47.0.199.ga7371fff76-goog
>
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