perf pmu-events: Hide pmu_events_map

Move usage of the table to pmu-events.c so it may be hidden. By
abstracting the table the implementation can later be changed.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20220812230949.683239-8-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

3 files changed, 14 insertions, 37 deletions

diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
index 3c3510744dab..8d994539d6ea 100644
--- a/tools/perf/util/metricgroup.c
+++ b/tools/perf/util/metricgroup.c
@@ -502,14 +502,14 @@ struct metricgroup_print_sys_idata {
 	bool details;
 };
 
-typedef int (*metricgroup_sys_event_iter_fn)(const struct pmu_event *pe, void *);
-
 struct metricgroup_iter_data {
-	metricgroup_sys_event_iter_fn fn;
+	pmu_event_iter_fn fn;
 	void *data;
 };
 
-static int metricgroup__sys_event_iter(const struct pmu_event *pe, void *data)
+static int metricgroup__sys_event_iter(const struct pmu_event *pe,
+				       const struct pmu_event *table __maybe_unused,
+				       void *data)
 {
 	struct metricgroup_iter_data *d = data;
 	struct perf_pmu *pmu = NULL;
@@ -522,13 +522,15 @@ static int metricgroup__sys_event_iter(const struct pmu_event *pe, void *data)
 		if (!pmu->id || strcmp(pmu->id, pe->compat))
 			continue;
 
-		return d->fn(pe, d->data);
+		return d->fn(pe, table, d->data);
 	}
 
 	return 0;
 }
 
-static int metricgroup__print_sys_event_iter(const struct pmu_event *pe, void *data)
+static int metricgroup__print_sys_event_iter(const struct pmu_event *pe,
+					     const struct pmu_event *table __maybe_unused,
+					     void *data)
 {
 	struct metricgroup_print_sys_idata *d = data;
 
@@ -1101,6 +1103,7 @@ static int add_metric(struct list_head *metric_list,
 }
 
 static int metricgroup__add_metric_sys_event_iter(const struct pmu_event *pe,
+						  const struct pmu_event *table __maybe_unused,
 						  void *data)
 {
 	struct metricgroup_add_iter_data *d = data;
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 7874d67485ac..f117324eb5f0 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -690,7 +690,7 @@ static int is_arm_pmu_core(const char *name)
 	return file_available(path);
 }
 
-static char *perf_pmu__getcpuid(struct perf_pmu *pmu)
+char *perf_pmu__getcpuid(struct perf_pmu *pmu)
 {
 	char *cpuid;
 	static bool printed;
@@ -710,34 +710,6 @@ static char *perf_pmu__getcpuid(struct perf_pmu *pmu)
 	return cpuid;
 }
 
-const struct pmu_event *perf_pmu__find_table(struct perf_pmu *pmu)
-{
-	const struct pmu_event *table = NULL;
-	char *cpuid = perf_pmu__getcpuid(pmu);
-	int i;
-
-	/* on some platforms which uses cpus map, cpuid can be NULL for
-	 * PMUs other than CORE PMUs.
-	 */
-	if (!cpuid)
-		return NULL;
-
-	i = 0;
-	for (;;) {
-		const struct pmu_events_map *map = &pmu_events_map[i++];
-
-		if (!map->table)
-			break;
-
-		if (!strcmp_cpuid_str(map->cpuid, cpuid)) {
-			table = map->table;
-			break;
-		}
-	}
-	free(cpuid);
-	return table;
-}
-
 __weak const struct pmu_event *pmu_events_table__find(void)
 {
 	return perf_pmu__find_table(NULL);
@@ -874,7 +846,9 @@ struct pmu_sys_event_iter_data {
 	struct perf_pmu *pmu;
 };
 
-static int pmu_add_sys_aliases_iter_fn(const struct pmu_event *pe, void *data)
+static int pmu_add_sys_aliases_iter_fn(const struct pmu_event *pe,
+				       const struct pmu_event *table __maybe_unused,
+				       void *data)
 {
 	struct pmu_sys_event_iter_data *idata = data;
 	struct perf_pmu *pmu = idata->pmu;
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
index d535a98c5998..f0aba1e462fa 100644
--- a/tools/perf/util/pmu.h
+++ b/tools/perf/util/pmu.h
@@ -128,7 +128,7 @@ struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu);
 void pmu_add_cpu_aliases_table(struct list_head *head, struct perf_pmu *pmu,
 			       const struct pmu_event *table);
 
-const struct pmu_event *perf_pmu__find_table(struct perf_pmu *pmu);
+char *perf_pmu__getcpuid(struct perf_pmu *pmu);
 const struct pmu_event *pmu_events_table__find(void);
 bool pmu_uncore_alias_match(const char *pmu_name, const char *name);
 void perf_pmu_free_alias(struct perf_pmu_alias *alias);