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AJvYcCULLcQz/ArzjsJJirylSKfbsmhk1h2FBDJEYPM2l4l0kdUzzTQj6tzjNtLfJ0PwRkKDqqMn55Mhdb4s5gY=@vger.kernel.org X-Gm-Message-State: AOJu0Yz0LL35dpocnLXuQ+8cBtIfCq3ClNKQfE/SlB/7M8TvNnMlum2y LZ4d2aD2jnCcxzzMhjI6BS0acFl6FQU7Eq2+iR0HQBHf651pWZmVXwwAQ05qLV3bkbyEtjWtMtr 9h3zr7w== X-Google-Smtp-Source: AGHT+IEYlgs/V2F/Aoj+pbdeOvGuquRFfNPybrBK44Ua6MKMX5mUoZiZ1vNXICCo8jUP4hj+0QFM6lTQ0dhC X-Received: from irogers.svl.corp.google.com ([2620:15c:2c5:11:acc7:bda:7167:18d8]) (user=irogers job=sendgmr) by 2002:a25:acd7:0:b0:e24:a28e:9399 with SMTP id 3f1490d57ef6-e337e3878cfmr1276.4.1730996458511; Thu, 07 Nov 2024 08:20:58 -0800 (PST) Date: Thu, 7 Nov 2024 08:20:35 -0800 In-Reply-To: <20241107162035.52206-1-irogers@google.com> Message-Id: <20241107162035.52206-9-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20241107162035.52206-1-irogers@google.com> X-Mailer: git-send-email 2.47.0.199.ga7371fff76-goog Subject: [PATCH v2 8/8] perf pmu: Move pmu_metrics_table__find and remove ARM override From: Ian Rogers To: John Garry , Will Deacon , James Clark , Mike Leach , Leo Yan , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Kan Liang , Paul Walmsley , Palmer Dabbelt , Albert Ou , Huacai Chen , Bibo Mao , Athira Rajeev , Ben Zong-You Xie , Alexandre Ghiti , Sandipan Das , Benjamin Gray , Xu Yang , Ravi Bangoria , "=?UTF-8?q?Cl=C3=A9ment=20Le=20Goffic?=" , Yicong Yang , "Masami Hiramatsu (Google)" , Dima Kogan , "Dr. David Alan Gilbert" , linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Move pmu_metrics_table__find to the jevents.py generated pmu-events.c and remove indirection override for ARM. The movement removes perf_pmu__find_metrics_table that exists to enable the ARM override. The ARM override isn't necessary as just the CPUID, not PMU, is used in the metric table lookup. On non-ARM the CPU argument is just ignored for the CPUID, for ARM -1 is passed so that the CPUID for the first logical CPU is read. Signed-off-by: Ian Rogers --- tools/perf/arch/arm64/util/pmu.c | 20 -------------------- tools/perf/pmu-events/empty-pmu-events.c | 10 ++++------ tools/perf/pmu-events/jevents.py | 10 ++++------ tools/perf/pmu-events/pmu-events.h | 2 +- tools/perf/util/pmu.c | 5 ----- tools/perf/util/pmu.h | 1 - 6 files changed, 9 insertions(+), 39 deletions(-) diff --git a/tools/perf/arch/arm64/util/pmu.c b/tools/perf/arch/arm64/util/= pmu.c index a0964b191fcb..895fb0d0610c 100644 --- a/tools/perf/arch/arm64/util/pmu.c +++ b/tools/perf/arch/arm64/util/pmu.c @@ -1,29 +1,9 @@ // SPDX-License-Identifier: GPL-2.0 =20 -#include -#include "../../../util/cpumap.h" -#include "../../../util/header.h" #include "../../../util/pmu.h" #include "../../../util/pmus.h" #include "../../../util/tool_pmu.h" #include -#include - -const struct pmu_metrics_table *pmu_metrics_table__find(void) -{ - struct perf_pmu *pmu; - - /* Metrics aren't currently supported on heterogeneous Arm systems */ - if (perf_pmus__num_core_pmus() > 1) - return NULL; - - /* Doesn't matter which one here because they'll all be the same */ - pmu =3D perf_pmus__find_core_pmu(); - if (pmu) - return perf_pmu__find_metrics_table(pmu); - - return NULL; -} =20 u64 tool_pmu__cpu_slots_per_cycle(void) { diff --git a/tools/perf/pmu-events/empty-pmu-events.c b/tools/perf/pmu-even= ts/empty-pmu-events.c index 17306e316a3c..1c7a2cfa321f 100644 --- a/tools/perf/pmu-events/empty-pmu-events.c +++ b/tools/perf/pmu-events/empty-pmu-events.c @@ -587,14 +587,12 @@ const struct pmu_events_table *perf_pmu__find_events_= table(struct perf_pmu *pmu) return NULL; } =20 -const struct pmu_metrics_table *perf_pmu__find_metrics_table(struct perf_p= mu *pmu) +const struct pmu_metrics_table *pmu_metrics_table__find(void) { - const struct pmu_events_map *map =3D map_for_pmu(pmu); - - if (!map) - return NULL; + struct perf_cpu cpu =3D {-1}; + const struct pmu_events_map *map =3D map_for_cpu(cpu); =20 - return &map->metric_table; + return map ? &map->metric_table : NULL; } =20 const struct pmu_events_table *find_core_events_table(const char *arch, co= nst char *cpuid) diff --git a/tools/perf/pmu-events/jevents.py b/tools/perf/pmu-events/jeven= ts.py index e44b72e56ac3..d781a377757a 100755 --- a/tools/perf/pmu-events/jevents.py +++ b/tools/perf/pmu-events/jevents.py @@ -1103,14 +1103,12 @@ const struct pmu_events_table *perf_pmu__find_event= s_table(struct perf_pmu *pmu) return NULL; } =20 -const struct pmu_metrics_table *perf_pmu__find_metrics_table(struct perf_p= mu *pmu) +const struct pmu_metrics_table *pmu_metrics_table__find(void) { - const struct pmu_events_map *map =3D map_for_pmu(pmu); - - if (!map) - return NULL; + struct perf_cpu cpu =3D {-1}; + const struct pmu_events_map *map =3D map_for_cpu(cpu); =20 - return &map->metric_table; + return map ? &map->metric_table : NULL; } =20 const struct pmu_events_table *find_core_events_table(const char *arch, co= nst char *cpuid) diff --git a/tools/perf/pmu-events/pmu-events.h b/tools/perf/pmu-events/pmu= -events.h index 5435ad92180c..675562e6f770 100644 --- a/tools/perf/pmu-events/pmu-events.h +++ b/tools/perf/pmu-events/pmu-events.h @@ -103,7 +103,7 @@ int pmu_metrics_table__for_each_metric(const struct pmu= _metrics_table *table, pm void *data); =20 const struct pmu_events_table *perf_pmu__find_events_table(struct perf_pmu= *pmu); -const struct pmu_metrics_table *perf_pmu__find_metrics_table(struct perf_p= mu *pmu); +const struct pmu_metrics_table *pmu_metrics_table__find(void); const struct pmu_events_table *find_core_events_table(const char *arch, co= nst char *cpuid); const struct pmu_metrics_table *find_core_metrics_table(const char *arch, = const char *cpuid); int pmu_for_each_core_event(pmu_event_iter_fn fn, void *data); diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 514cb865f57b..45838651b361 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -818,11 +818,6 @@ static int is_sysfs_pmu_core(const char *name) return file_available(path); } =20 -__weak const struct pmu_metrics_table *pmu_metrics_table__find(void) -{ - return perf_pmu__find_metrics_table(NULL); -} - /** * Return the length of the PMU name not including the suffix for uncore P= MUs. * diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h index fba3fc608b64..7b3e71194e49 100644 --- a/tools/perf/util/pmu.h +++ b/tools/perf/util/pmu.h @@ -260,7 +260,6 @@ void perf_pmu__arch_init(struct perf_pmu *pmu); void pmu_add_cpu_aliases_table(struct perf_pmu *pmu, const struct pmu_events_table *table); =20 -const struct pmu_metrics_table *pmu_metrics_table__find(void); bool pmu_uncore_identifier_match(const char *compat, const char *id); =20 int perf_pmu__convert_scale(const char *scale, char **end, double *sval); --=20 2.47.0.199.ga7371fff76-goog