[PATCH v3 14/17] perf pmu-events: Hide the pmu_events

From: Ian Rogers
Date: Fri Jul 29 2022 - 03:45:28 EST


Hide that the pmu_event structs are an array with a new wrapper struct.

Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
tools/perf/arch/arm64/util/pmu.c | 2 +-
tools/perf/pmu-events/empty-pmu-events.c | 44 ++++++++++++----------
tools/perf/pmu-events/jevents.py | 47 +++++++++++++-----------
tools/perf/pmu-events/pmu-events.h | 12 +++---
tools/perf/tests/expand-cgroup.c | 2 +-
tools/perf/tests/parse-metric.c | 2 +-
tools/perf/tests/pmu-events.c | 16 ++++----
tools/perf/util/metricgroup.c | 42 ++++++++++-----------
tools/perf/util/metricgroup.h | 5 +--
tools/perf/util/pmu.c | 10 ++---
tools/perf/util/pmu.h | 4 +-
tools/perf/util/s390-sample-raw.c | 6 +--
12 files changed, 101 insertions(+), 91 deletions(-)

diff --git a/tools/perf/arch/arm64/util/pmu.c b/tools/perf/arch/arm64/util/pmu.c
index 646af8603227..149fb334b40b 100644
--- a/tools/perf/arch/arm64/util/pmu.c
+++ b/tools/perf/arch/arm64/util/pmu.c
@@ -3,7 +3,7 @@
#include "../../../util/cpumap.h"
#include "../../../util/pmu.h"

-const struct pmu_event *pmu_events_map__find(void)
+const struct pmu_events_table *pmu_events_map__find(void)
{
struct perf_pmu *pmu = NULL;

diff --git a/tools/perf/pmu-events/empty-pmu-events.c b/tools/perf/pmu-events/empty-pmu-events.c
index bee1967baa2b..5ed8c0aa4817 100644
--- a/tools/perf/pmu-events/empty-pmu-events.c
+++ b/tools/perf/pmu-events/empty-pmu-events.c
@@ -176,6 +176,10 @@ static const struct pmu_event pme_test_soc_cpu[] = {
},
};

+/* Struct used to make the PMU event table implementation opaque to callers. */
+struct pmu_events_table {
+ const struct pmu_event *entries;
+};

/*
* Map a CPU to its table of PMU events. The CPU is identified by the
@@ -188,7 +192,7 @@ static const struct pmu_event pme_test_soc_cpu[] = {
struct pmu_events_map {
const char *arch;
const char *cpuid;
- const struct pmu_event *table;
+ const struct pmu_events_table table;
};

/*
@@ -199,12 +203,12 @@ static const struct pmu_events_map pmu_events_map[] = {
{
.arch = "testarch",
.cpuid = "testcpu",
- .table = pme_test_soc_cpu,
+ .table = { pme_test_soc_cpu },
},
{
.arch = 0,
.cpuid = 0,
- .table = 0,
+ .table = { 0 },
},
};

@@ -234,23 +238,23 @@ static const struct pmu_event pme_test_soc_sys[] = {

struct pmu_sys_events {
const char *name;
- const struct pmu_event *table;
+ const struct pmu_events_table table;
};

static const struct pmu_sys_events pmu_sys_event_tables[] = {
{
- .table = pme_test_soc_sys,
+ .table = { pme_test_soc_sys },
.name = "pme_test_soc_sys",
},
{
- .table = 0
+ .table = { 0 }
},
};

-int pmu_events_table_for_each_event(const struct pmu_event *table, pmu_event_iter_fn fn,
+int pmu_events_table_for_each_event(const struct pmu_events_table *table, pmu_event_iter_fn fn,
void *data)
{
- for (const struct pmu_event *pe = &table[0];
+ for (const struct pmu_event *pe = &table->entries[0];
pe->name || pe->metric_group || pe->metric_name;
pe++) {
int ret = fn(pe, table, data);
@@ -261,9 +265,9 @@ int pmu_events_table_for_each_event(const struct pmu_event *table, pmu_event_ite
return 0;
}

-const struct pmu_event *perf_pmu__find_table(struct perf_pmu *pmu)
+const struct pmu_events_table *perf_pmu__find_table(struct perf_pmu *pmu)
{
- const struct pmu_event *table = NULL;
+ const struct pmu_events_table *table = NULL;
char *cpuid = perf_pmu__getcpuid(pmu);
int i;

@@ -277,11 +281,11 @@ const struct pmu_event *perf_pmu__find_table(struct perf_pmu *pmu)
for (;;) {
const struct pmu_events_map *map = &pmu_events_map[i++];

- if (!map->table)
+ if (!map->cpuid)
break;

if (!strcmp_cpuid_str(map->cpuid, cpuid)) {
- table = map->table;
+ table = &map->table;
break;
}
}
@@ -289,13 +293,13 @@ const struct pmu_event *perf_pmu__find_table(struct perf_pmu *pmu)
return table;
}

-const struct pmu_event *find_core_events_table(const char *arch, const char *cpuid)
+const struct pmu_events_table *find_core_events_table(const char *arch, const char *cpuid)
{
for (const struct pmu_events_map *tables = &pmu_events_map[0];
- tables->table;
+ tables->arch;
tables++) {
if (!strcmp(tables->arch, arch) && !strcmp_cpuid_str(tables->cpuid, cpuid))
- return tables->table;
+ return &tables->table;
}
return NULL;
}
@@ -303,9 +307,9 @@ const struct pmu_event *find_core_events_table(const char *arch, const char *cpu
int pmu_for_each_core_event(pmu_event_iter_fn fn, void *data)
{
for (const struct pmu_events_map *tables = &pmu_events_map[0];
- tables->table;
+ tables->arch;
tables++) {
- int ret = pmu_events_table_for_each_event(tables->table, fn, data);
+ int ret = pmu_events_table_for_each_event(&tables->table, fn, data);

if (ret)
return ret;
@@ -313,13 +317,13 @@ int pmu_for_each_core_event(pmu_event_iter_fn fn, void *data)
return 0;
}

-const struct pmu_event *find_sys_events_table(const char *name)
+const struct pmu_events_table *find_sys_events_table(const char *name)
{
for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
tables->name;
tables++) {
if (!strcmp(tables->name, name))
- return tables->table;
+ return &tables->table;
}
return NULL;
}
@@ -329,7 +333,7 @@ int pmu_for_each_sys_event(pmu_event_iter_fn fn, void *data)
for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
tables->name;
tables++) {
- int ret = pmu_events_table_for_each_event(tables->table, fn, data);
+ int ret = pmu_events_table_for_each_event(&tables->table, fn, data);

if (ret)
return ret;
diff --git a/tools/perf/pmu-events/jevents.py b/tools/perf/pmu-events/jevents.py
index 365c960202b0..aa8df649025a 100755
--- a/tools/perf/pmu-events/jevents.py
+++ b/tools/perf/pmu-events/jevents.py
@@ -334,6 +334,11 @@ def process_one_file(parents: Sequence[str], item: os.DirEntry) -> None:
def print_mapping_table(archs: Sequence[str]) -> None:
"""Read the mapfile and generate the struct from cpuid string to event table."""
_args.output_file.write("""
+/* Struct used to make the PMU event table implementation opaque to callers. */
+struct pmu_events_table {
+ const struct pmu_event *entries;
+};
+
/*
* Map a CPU to its table of PMU events. The CPU is identified by the
* cpuid field, which is an arch-specific identifier for the CPU.
@@ -345,7 +350,7 @@ def print_mapping_table(archs: Sequence[str]) -> None:
struct pmu_events_map {
const char *arch;
const char *cpuid;
- const struct pmu_event *table;
+ struct pmu_events_table table;
};

/*
@@ -359,7 +364,7 @@ const struct pmu_events_map pmu_events_map[] = {
_args.output_file.write("""{
\t.arch = "testarch",
\t.cpuid = "testcpu",
-\t.table = pme_test_soc_cpu,
+\t.table = { pme_test_soc_cpu },
},
""")
else:
@@ -374,7 +379,7 @@ const struct pmu_events_map pmu_events_map[] = {
_args.output_file.write(f"""{{
\t.arch = "{arch}",
\t.cpuid = "{cpuid}",
-\t.table = {tblname}
+\t.table = {{ {tblname} }}
}},
""")
first = False
@@ -382,7 +387,7 @@ const struct pmu_events_map pmu_events_map[] = {
_args.output_file.write("""{
\t.arch = 0,
\t.cpuid = 0,
-\t.table = 0,
+\t.table = { 0 },
}
};
""")
@@ -393,26 +398,26 @@ def print_system_mapping_table() -> None:
_args.output_file.write("""
struct pmu_sys_events {
\tconst char *name;
-\tconst struct pmu_event *table;
+\tstruct pmu_events_table table;
};

static const struct pmu_sys_events pmu_sys_event_tables[] = {
""")
for tblname in _sys_event_tables:
_args.output_file.write(f"""\t{{
-\t\t.table = {tblname},
+\t\t.table = {{ {tblname} }},
\t\t.name = \"{tblname}\",
\t}},
""")
_args.output_file.write("""\t{
-\t\t.table = 0
+\t\t.table = { 0 }
\t},
};

-int pmu_events_table_for_each_event(const struct pmu_event *table, pmu_event_iter_fn fn,
+int pmu_events_table_for_each_event(const struct pmu_events_table *table, pmu_event_iter_fn fn,
void *data)
{
- for (const struct pmu_event *pe = &table[0];
+ for (const struct pmu_event *pe = &table->entries[0];
pe->name || pe->metric_group || pe->metric_name;
pe++) {
int ret = fn(pe, table, data);
@@ -423,9 +428,9 @@ int pmu_events_table_for_each_event(const struct pmu_event *table, pmu_event_ite
return 0;
}

-const struct pmu_event *perf_pmu__find_table(struct perf_pmu *pmu)
+const struct pmu_events_table *perf_pmu__find_table(struct perf_pmu *pmu)
{
- const struct pmu_event *table = NULL;
+ const struct pmu_events_table *table = NULL;
char *cpuid = perf_pmu__getcpuid(pmu);
int i;

@@ -438,11 +443,11 @@ const struct pmu_event *perf_pmu__find_table(struct perf_pmu *pmu)
i = 0;
for (;;) {
const struct pmu_events_map *map = &pmu_events_map[i++];
- if (!map->table)
+ if (!map->arch)
break;

if (!strcmp_cpuid_str(map->cpuid, cpuid)) {
- table = map->table;
+ table = &map->table;
break;
}
}
@@ -450,13 +455,13 @@ const struct pmu_event *perf_pmu__find_table(struct perf_pmu *pmu)
return table;
}

-const struct pmu_event *find_core_events_table(const char *arch, const char *cpuid)
+const struct pmu_events_table *find_core_events_table(const char *arch, const char *cpuid)
{
for (const struct pmu_events_map *tables = &pmu_events_map[0];
- tables->table;
+ tables->arch;
tables++) {
if (!strcmp(tables->arch, arch) && !strcmp_cpuid_str(tables->cpuid, cpuid))
- return tables->table;
+ return &tables->table;
}
return NULL;
}
@@ -464,9 +469,9 @@ const struct pmu_event *find_core_events_table(const char *arch, const char *cpu
int pmu_for_each_core_event(pmu_event_iter_fn fn, void *data)
{
for (const struct pmu_events_map *tables = &pmu_events_map[0];
- tables->table;
+ tables->arch;
tables++) {
- int ret = pmu_events_table_for_each_event(tables->table, fn, data);
+ int ret = pmu_events_table_for_each_event(&tables->table, fn, data);

if (ret)
return ret;
@@ -474,13 +479,13 @@ int pmu_for_each_core_event(pmu_event_iter_fn fn, void *data)
return 0;
}

-const struct pmu_event *find_sys_events_table(const char *name)
+const struct pmu_events_table *find_sys_events_table(const char *name)
{
for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
tables->name;
tables++) {
if (!strcmp(tables->name, name))
- return tables->table;
+ return &tables->table;
}
return NULL;
}
@@ -490,7 +495,7 @@ int pmu_for_each_sys_event(pmu_event_iter_fn fn, void *data)
for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
tables->name;
tables++) {
- int ret = pmu_events_table_for_each_event(tables->table, fn, data);
+ int ret = pmu_events_table_for_each_event(&tables->table, fn, data);

if (ret)
return ret;
diff --git a/tools/perf/pmu-events/pmu-events.h b/tools/perf/pmu-events/pmu-events.h
index 70672842f77f..fe343c4d8016 100644
--- a/tools/perf/pmu-events/pmu-events.h
+++ b/tools/perf/pmu-events/pmu-events.h
@@ -30,18 +30,20 @@ struct pmu_event {
const char *metric_constraint;
};

+struct pmu_events_table;
+
typedef int (*pmu_event_iter_fn)(const struct pmu_event *pe,
- const struct pmu_event *table,
+ const struct pmu_events_table *table,
void *data);

-int pmu_events_table_for_each_event(const struct pmu_event *table, pmu_event_iter_fn fn,
+int pmu_events_table_for_each_event(const struct pmu_events_table *table, pmu_event_iter_fn fn,
void *data);

-const struct pmu_event *perf_pmu__find_table(struct perf_pmu *pmu);
-const struct pmu_event *find_core_events_table(const char *arch, const char *cpuid);
+const struct pmu_events_table *perf_pmu__find_table(struct perf_pmu *pmu);
+const struct pmu_events_table *find_core_events_table(const char *arch, const char *cpuid);
int pmu_for_each_core_event(pmu_event_iter_fn fn, void *data);

-const struct pmu_event *find_sys_events_table(const char *name);
+const struct pmu_events_table *find_sys_events_table(const char *name);
int pmu_for_each_sys_event(pmu_event_iter_fn fn, void *data);

#endif
diff --git a/tools/perf/tests/expand-cgroup.c b/tools/perf/tests/expand-cgroup.c
index e79ee8621a90..51fb5f34c1dd 100644
--- a/tools/perf/tests/expand-cgroup.c
+++ b/tools/perf/tests/expand-cgroup.c
@@ -180,7 +180,7 @@ static int expand_metric_events(void)
struct evlist *evlist;
struct rblist metric_events;
const char metric_str[] = "CPI";
- const struct pmu_event *pme_test;
+ const struct pmu_events_table *pme_test;

evlist = evlist__new();
TEST_ASSERT_VAL("failed to get evlist", evlist);
diff --git a/tools/perf/tests/parse-metric.c b/tools/perf/tests/parse-metric.c
index 30c7091857b8..68f5a2a03242 100644
--- a/tools/perf/tests/parse-metric.c
+++ b/tools/perf/tests/parse-metric.c
@@ -72,7 +72,7 @@ static int __compute_metric(const char *name, struct value *vals,
struct rblist metric_events = {
.nr_entries = 0,
};
- const struct pmu_event *pme_test;
+ const struct pmu_events_table *pme_test;
struct perf_cpu_map *cpus;
struct runtime_stat st;
struct evlist *evlist;
diff --git a/tools/perf/tests/pmu-events.c b/tools/perf/tests/pmu-events.c
index 1c3479e5890e..9111725041d0 100644
--- a/tools/perf/tests/pmu-events.c
+++ b/tools/perf/tests/pmu-events.c
@@ -424,7 +424,7 @@ static int compare_alias_to_test_event(struct perf_pmu_alias *alias,
}

static int test__pmu_event_table_core_callback(const struct pmu_event *pe,
- const struct pmu_event *table __maybe_unused,
+ const struct pmu_events_table *table __maybe_unused,
void *data)
{
int *map_events = data;
@@ -461,7 +461,7 @@ static int test__pmu_event_table_core_callback(const struct pmu_event *pe,
}

static int test__pmu_event_table_sys_callback(const struct pmu_event *pe,
- const struct pmu_event *table __maybe_unused,
+ const struct pmu_events_table *table __maybe_unused,
void *data)
{
int *map_events = data;
@@ -495,8 +495,8 @@ static int test__pmu_event_table_sys_callback(const struct pmu_event *pe,
static int test__pmu_event_table(struct test_suite *test __maybe_unused,
int subtest __maybe_unused)
{
- const struct pmu_event *sys_event_table = find_sys_events_table("pme_test_soc_sys");
- const struct pmu_event *table = find_core_events_table("testarch", "testcpu");
+ const struct pmu_events_table *sys_event_table = find_sys_events_table("pme_test_soc_sys");
+ const struct pmu_events_table *table = find_core_events_table("testarch", "testcpu");
int map_events = 0, expected_events, err;

/* ignore 3x sentinels */
@@ -544,7 +544,7 @@ static int __test_core_pmu_event_aliases(char *pmu_name, int *count)
struct perf_pmu *pmu;
LIST_HEAD(aliases);
int res = 0;
- const struct pmu_event *table = find_core_events_table("testarch", "testcpu");
+ const struct pmu_events_table *table = find_core_events_table("testarch", "testcpu");
struct perf_pmu_alias *a, *tmp;

if (!table)
@@ -597,7 +597,7 @@ static int __test_uncore_pmu_event_aliases(struct perf_pmu_test_pmu *test_pmu)
struct perf_pmu *pmu = &test_pmu->pmu;
const char *pmu_name = pmu->name;
struct perf_pmu_alias *a, *tmp, *alias;
- const struct pmu_event *events_table;
+ const struct pmu_events_table *events_table;
LIST_HEAD(aliases);
int res = 0;

@@ -839,7 +839,7 @@ struct metric {
struct metric_ref metric_ref;
};

-static int test__parsing_callback(const struct pmu_event *pe, const struct pmu_event *table,
+static int test__parsing_callback(const struct pmu_event *pe, const struct pmu_events_table *table,
void *data)
{
int *failures = data;
@@ -1016,7 +1016,7 @@ static int metric_parse_fake(const char *str)
}

static int test__parsing_fake_callback(const struct pmu_event *pe,
- const struct pmu_event *table __maybe_unused,
+ const struct pmu_events_table *table __maybe_unused,
void *data __maybe_unused)
{
if (!pe->metric_expr)
diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
index f702b73a7609..8ef44f4b5e9a 100644
--- a/tools/perf/util/metricgroup.c
+++ b/tools/perf/util/metricgroup.c
@@ -508,7 +508,7 @@ struct metricgroup_iter_data {
};

static int metricgroup__sys_event_iter(const struct pmu_event *pe,
- const struct pmu_event *table __maybe_unused,
+ const struct pmu_events_table *table,
void *data)
{
struct metricgroup_iter_data *d = data;
@@ -529,7 +529,7 @@ static int metricgroup__sys_event_iter(const struct pmu_event *pe,
}

static int metricgroup__print_sys_event_iter(const struct pmu_event *pe,
- const struct pmu_event *table __maybe_unused,
+ const struct pmu_events_table *table __maybe_unused,
void *data)
{
struct metricgroup_print_sys_idata *d = data;
@@ -549,7 +549,7 @@ struct metricgroup_print_data {
};

static int metricgroup__print_callback(const struct pmu_event *pe,
- const struct pmu_event *table __maybe_unused,
+ const struct pmu_events_table *table __maybe_unused,
void *vdata)
{
struct metricgroup_print_data *data = vdata;
@@ -571,7 +571,7 @@ void metricgroup__print(bool metrics, bool metricgroups, char *filter,
struct rblist groups;
struct rb_node *node, *next;
struct strlist *metriclist = NULL;
- const struct pmu_event *table;
+ const struct pmu_events_table *table;

if (!metricgroups) {
metriclist = strlist__new(NULL, NULL);
@@ -876,7 +876,7 @@ struct metricgroup_add_iter_data {
bool metric_no_group;
struct metric *root_metric;
const struct visited_metric *visited;
- const struct pmu_event *table;
+ const struct pmu_events_table *table;
};

static int add_metric(struct list_head *metric_list,
@@ -885,7 +885,7 @@ static int add_metric(struct list_head *metric_list,
bool metric_no_group,
struct metric *root_metric,
const struct visited_metric *visited,
- const struct pmu_event *table);
+ const struct pmu_events_table *table);

/**
* resolve_metric - Locate metrics within the root metric and recursively add
@@ -908,7 +908,7 @@ static int resolve_metric(struct list_head *metric_list,
bool metric_no_group,
struct metric *root_metric,
const struct visited_metric *visited,
- const struct pmu_event *table)
+ const struct pmu_events_table *table)
{
struct hashmap_entry *cur;
size_t bkt;
@@ -986,7 +986,7 @@ static int __add_metric(struct list_head *metric_list,
int runtime,
struct metric *root_metric,
const struct visited_metric *visited,
- const struct pmu_event *table)
+ const struct pmu_events_table *table)
{
const struct visited_metric *vm;
int ret;
@@ -1077,7 +1077,7 @@ struct metricgroup__find_metric_data {
};

static int metricgroup__find_metric_callback(const struct pmu_event *pe,
- const struct pmu_event *table __maybe_unused,
+ const struct pmu_events_table *table __maybe_unused,
void *vdata)
{
struct metricgroup__find_metric_data *data = vdata;
@@ -1090,7 +1090,7 @@ static int metricgroup__find_metric_callback(const struct pmu_event *pe,
}

const struct pmu_event *metricgroup__find_metric(const char *metric,
- const struct pmu_event *table)
+ const struct pmu_events_table *table)
{
struct metricgroup__find_metric_data data = {
.metric = metric,
@@ -1108,7 +1108,7 @@ static int add_metric(struct list_head *metric_list,
bool metric_no_group,
struct metric *root_metric,
const struct visited_metric *visited,
- const struct pmu_event *table)
+ const struct pmu_events_table *table)
{
int ret = 0;

@@ -1136,8 +1136,8 @@ 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)
+ const struct pmu_events_table *table __maybe_unused,
+ void *data)
{
struct metricgroup_add_iter_data *d = data;
int ret;
@@ -1193,7 +1193,7 @@ struct metricgroup__add_metric_data {
};

static int metricgroup__add_metric_callback(const struct pmu_event *pe,
- const struct pmu_event *table,
+ const struct pmu_events_table *table,
void *vdata)
{
struct metricgroup__add_metric_data *data = vdata;
@@ -1227,7 +1227,7 @@ static int metricgroup__add_metric_callback(const struct pmu_event *pe,
static int metricgroup__add_metric(const char *metric_name, const char *modifier,
bool metric_no_group,
struct list_head *metric_list,
- const struct pmu_event *table)
+ const struct pmu_events_table *table)
{
LIST_HEAD(list);
int ret;
@@ -1296,7 +1296,7 @@ static int metricgroup__add_metric(const char *metric_name, const char *modifier
*/
static int metricgroup__add_metric_list(const char *list, bool metric_no_group,
struct list_head *metric_list,
- const struct pmu_event *table)
+ const struct pmu_events_table *table)
{
char *list_itr, *list_copy, *metric_name, *modifier;
int ret, count = 0;
@@ -1504,7 +1504,7 @@ static int parse_groups(struct evlist *perf_evlist, const char *str,
bool metric_no_merge,
struct perf_pmu *fake_pmu,
struct rblist *metric_events_list,
- const struct pmu_event *table)
+ const struct pmu_events_table *table)
{
struct evlist *combined_evlist = NULL;
LIST_HEAD(metric_list);
@@ -1650,14 +1650,14 @@ int metricgroup__parse_groups(const struct option *opt,
struct rblist *metric_events)
{
struct evlist *perf_evlist = *(struct evlist **)opt->value;
- const struct pmu_event *table = pmu_events_map__find();
+ const struct pmu_events_table *table = pmu_events_map__find();

return parse_groups(perf_evlist, str, metric_no_group,
metric_no_merge, NULL, metric_events, table);
}

int metricgroup__parse_groups_test(struct evlist *evlist,
- const struct pmu_event *table,
+ const struct pmu_events_table *table,
const char *str,
bool metric_no_group,
bool metric_no_merge,
@@ -1668,7 +1668,7 @@ int metricgroup__parse_groups_test(struct evlist *evlist,
}

static int metricgroup__has_metric_callback(const struct pmu_event *pe,
- const struct pmu_event *table __maybe_unused,
+ const struct pmu_events_table *table __maybe_unused,
void *vdata)
{
const char *metric = vdata;
@@ -1684,7 +1684,7 @@ static int metricgroup__has_metric_callback(const struct pmu_event *pe,

bool metricgroup__has_metric(const char *metric)
{
- const struct pmu_event *table = pmu_events_map__find();
+ const struct pmu_events_table *table = pmu_events_map__find();

if (!table)
return false;
diff --git a/tools/perf/util/metricgroup.h b/tools/perf/util/metricgroup.h
index 5a1390e73d25..f54d170043e9 100644
--- a/tools/perf/util/metricgroup.h
+++ b/tools/perf/util/metricgroup.h
@@ -11,7 +11,6 @@ struct evlist;
struct evsel;
struct option;
struct rblist;
-struct pmu_events_map;
struct cgroup;

/**
@@ -71,9 +70,9 @@ int metricgroup__parse_groups(const struct option *opt,
bool metric_no_merge,
struct rblist *metric_events);
const struct pmu_event *metricgroup__find_metric(const char *metric,
- const struct pmu_event *table);
+ const struct pmu_events_table *table);
int metricgroup__parse_groups_test(struct evlist *evlist,
- const struct pmu_event *table,
+ const struct pmu_events_table *table,
const char *str,
bool metric_no_group,
bool metric_no_merge,
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index ab94d672d7bf..a84fa532817f 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -710,7 +710,7 @@ char *perf_pmu__getcpuid(struct perf_pmu *pmu)
return cpuid;
}

-__weak const struct pmu_event *pmu_events_map__find(void)
+__weak const struct pmu_events_table *pmu_events_map__find(void)
{
return perf_pmu__find_table(NULL);
}
@@ -799,7 +799,7 @@ struct pmu_add_cpu_aliases_map_data {
};

static int pmu_add_cpu_aliases_map_callback(const struct pmu_event *pe,
- const struct pmu_event *table __maybe_unused,
+ const struct pmu_events_table *table __maybe_unused,
void *vdata)
{
struct pmu_add_cpu_aliases_map_data *data = vdata;
@@ -827,7 +827,7 @@ static int pmu_add_cpu_aliases_map_callback(const struct pmu_event *pe,
* as aliases.
*/
void pmu_add_cpu_aliases_map(struct list_head *head, struct perf_pmu *pmu,
- const struct pmu_event *table)
+ const struct pmu_events_table *table)
{
struct pmu_add_cpu_aliases_map_data data = {
.head = head,
@@ -841,7 +841,7 @@ void pmu_add_cpu_aliases_map(struct list_head *head, struct perf_pmu *pmu,

static void pmu_add_cpu_aliases(struct list_head *head, struct perf_pmu *pmu)
{
- const struct pmu_event *table;
+ const struct pmu_events_table *table;

table = perf_pmu__find_table(pmu);
if (!table)
@@ -856,7 +856,7 @@ struct pmu_sys_event_iter_data {
};

static int pmu_add_sys_aliases_iter_fn(const struct pmu_event *pe,
- const struct pmu_event *table __maybe_unused,
+ const struct pmu_events_table *table __maybe_unused,
void *data)
{
struct pmu_sys_event_iter_data *idata = data;
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
index 06df99ba2029..78f87b46ddf3 100644
--- a/tools/perf/util/pmu.h
+++ b/tools/perf/util/pmu.h
@@ -126,10 +126,10 @@ int perf_pmu__test(void);

struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu);
void pmu_add_cpu_aliases_map(struct list_head *head, struct perf_pmu *pmu,
- const struct pmu_event *map);
+ const struct pmu_events_table *map);

char *perf_pmu__getcpuid(struct perf_pmu *pmu);
-const struct pmu_event *pmu_events_map__find(void);
+const struct pmu_events_table *pmu_events_map__find(void);
bool pmu_uncore_alias_match(const char *pmu_name, const char *name);
void perf_pmu_free_alias(struct perf_pmu_alias *alias);

diff --git a/tools/perf/util/s390-sample-raw.c b/tools/perf/util/s390-sample-raw.c
index b1c052c176bb..fad1e96c74ba 100644
--- a/tools/perf/util/s390-sample-raw.c
+++ b/tools/perf/util/s390-sample-raw.c
@@ -135,7 +135,7 @@ struct get_counter_name_data {
};

static int get_counter_name_callback(const struct pmu_event *evp,
- const struct pmu_event *table __maybe_unused,
+ const struct pmu_events_table *table __maybe_unused,
void *vdata)
{
struct get_counter_name_data *data = vdata;
@@ -157,7 +157,7 @@ static int get_counter_name_callback(const struct pmu_event *evp,
* the name of this counter.
* If no match is found a NULL pointer is returned.
*/
-static const char *get_counter_name(int set, int nr, const struct pmu_event *table)
+static const char *get_counter_name(int set, int nr, const struct pmu_events_table *table)
{
struct get_counter_name_data data = {
.wanted = get_counterset_start(set) + nr,
@@ -177,7 +177,7 @@ static void s390_cpumcfdg_dump(struct perf_sample *sample)
unsigned char *buf = sample->raw_data;
const char *color = PERF_COLOR_BLUE;
struct cf_ctrset_entry *cep, ce;
- const struct pmu_event *table;
+ const struct pmu_events_table *table;
u64 *p;

table = pmu_events_map__find();
--
2.37.1.455.g008518b4e5-goog