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Date: Tue, 4 Jan 2022 22:13:51 -0800
From: Ian Rogers <irogers@...gle.com>
To: Andi Kleen <ak@...ux.intel.com>, Jiri Olsa <jolsa@...hat.com>,
Namhyung Kim <namhyung@...nel.org>,
John Garry <john.garry@...wei.com>,
Kajol Jain <kjain@...ux.ibm.com>,
"Paul A . Clarke" <pc@...ibm.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Riccardo Mancini <rickyman7@...il.com>,
Kan Liang <kan.liang@...ux.intel.com>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
Vineet Singh <vineet.singh@...el.com>,
James Clark <james.clark@....com>,
Mathieu Poirier <mathieu.poirier@...aro.org>,
Suzuki K Poulose <suzuki.poulose@....com>,
Mike Leach <mike.leach@...aro.org>,
Leo Yan <leo.yan@...aro.org>, coresight@...ts.linaro.org,
linux-arm-kernel@...ts.infradead.org, zhengjun.xing@...el.com
Cc: eranian@...gle.com, Ian Rogers <irogers@...gle.com>
Subject: [PATCH v4 48/48] perf cpumap: Give CPUs their own type.
A common problem is confusing CPU map indices with the CPU, by wrapping
the CPU with a struct then this is avoided. This approach is similar to
atomic_t.
Suggested-by: John Garry <john.garry@...wei.com>
Signed-off-by: Ian Rogers <irogers@...gle.com>
---
tools/lib/perf/cpumap.c | 121 ++++++++++--------
tools/lib/perf/evlist.c | 4 +-
tools/lib/perf/evsel.c | 9 +-
tools/lib/perf/include/internal/cpumap.h | 9 +-
tools/lib/perf/include/internal/evlist.h | 3 +-
tools/lib/perf/include/internal/evsel.h | 4 +-
tools/lib/perf/include/internal/mmap.h | 5 +-
tools/lib/perf/include/perf/cpumap.h | 9 +-
tools/lib/perf/mmap.c | 2 +-
tools/perf/bench/epoll-ctl.c | 2 +-
tools/perf/bench/epoll-wait.c | 2 +-
tools/perf/bench/futex-hash.c | 2 +-
tools/perf/bench/futex-lock-pi.c | 2 +-
tools/perf/bench/futex-requeue.c | 2 +-
tools/perf/bench/futex-wake-parallel.c | 2 +-
tools/perf/bench/futex-wake.c | 2 +-
tools/perf/builtin-c2c.c | 13 +-
tools/perf/builtin-ftrace.c | 2 +-
tools/perf/builtin-kmem.c | 2 +-
tools/perf/builtin-record.c | 2 +-
tools/perf/builtin-sched.c | 65 +++++-----
tools/perf/builtin-script.c | 5 +-
tools/perf/builtin-stat.c | 80 ++++++------
tools/perf/tests/attr.c | 6 +-
tools/perf/tests/bitmap.c | 2 +-
tools/perf/tests/cpumap.c | 6 +-
tools/perf/tests/event_update.c | 6 +-
tools/perf/tests/mem2node.c | 2 +-
tools/perf/tests/mmap-basic.c | 4 +-
tools/perf/tests/openat-syscall-all-cpus.c | 17 +--
tools/perf/tests/stat.c | 3 +-
tools/perf/tests/topology.c | 30 +++--
tools/perf/util/affinity.c | 2 +-
tools/perf/util/auxtrace.c | 12 +-
tools/perf/util/auxtrace.h | 5 +-
tools/perf/util/cpumap.c | 91 ++++++-------
tools/perf/util/cpumap.h | 26 ++--
tools/perf/util/cputopo.c | 6 +-
tools/perf/util/env.c | 29 +++--
tools/perf/util/env.h | 3 +-
tools/perf/util/evlist.c | 8 +-
tools/perf/util/evlist.h | 2 +-
tools/perf/util/evsel.c | 6 +-
tools/perf/util/expr.c | 2 +-
tools/perf/util/header.c | 6 +-
tools/perf/util/mmap.c | 19 +--
tools/perf/util/mmap.h | 3 +-
tools/perf/util/perf_api_probe.c | 15 ++-
tools/perf/util/python.c | 4 +-
tools/perf/util/record.c | 11 +-
.../scripting-engines/trace-event-python.c | 6 +-
tools/perf/util/session.c | 10 +-
tools/perf/util/stat-display.c | 34 +++--
tools/perf/util/stat.c | 2 +-
tools/perf/util/stat.h | 2 +-
tools/perf/util/svghelper.c | 6 +-
tools/perf/util/synthetic-events.c | 12 +-
tools/perf/util/synthetic-events.h | 3 +-
tools/perf/util/util.h | 5 +-
59 files changed, 408 insertions(+), 347 deletions(-)
diff --git a/tools/lib/perf/cpumap.c b/tools/lib/perf/cpumap.c
index eacea3ab965a..a3afe9ef74ef 100644
--- a/tools/lib/perf/cpumap.c
+++ b/tools/lib/perf/cpumap.c
@@ -10,16 +10,27 @@
#include <ctype.h>
#include <limits.h>
+static struct perf_cpu_map *perf_cpu_map__alloc(int nr_cpus)
+{
+ struct perf_cpu_map *cpus;
+
+ cpus = malloc(sizeof(*cpus) + sizeof(struct perf_cpu) * nr_cpus);
+ if (!cpus)
+ return NULL;
+
+ cpus->nr = 1;
+ refcount_set(&cpus->refcnt, 1);
+ return cpus;
+}
+
struct perf_cpu_map *perf_cpu_map__dummy_new(void)
{
- struct perf_cpu_map *cpus = malloc(sizeof(*cpus) + sizeof(int));
+ struct perf_cpu_map *cpus = perf_cpu_map__alloc(1);
- if (cpus != NULL) {
- cpus->nr = 1;
- cpus->map[0] = -1;
- refcount_set(&cpus->refcnt, 1);
- }
+ if (!cpus)
+ return NULL;
+ cpus->map[0].cpu = -1;
return cpus;
}
@@ -54,16 +65,12 @@ static struct perf_cpu_map *cpu_map__default_new(void)
if (nr_cpus < 0)
return NULL;
- cpus = malloc(sizeof(*cpus) + nr_cpus * sizeof(int));
- if (cpus != NULL) {
- int i;
-
- for (i = 0; i < nr_cpus; ++i)
- cpus->map[i] = i;
+ cpus = perf_cpu_map__alloc(nr_cpus);
+ if (!cpus)
+ return NULL;
- cpus->nr = nr_cpus;
- refcount_set(&cpus->refcnt, 1);
- }
+ for (int i = 0; i < nr_cpus; ++i)
+ cpus->map[i].cpu = i;
return cpus;
}
@@ -73,31 +80,32 @@ struct perf_cpu_map *perf_cpu_map__default_new(void)
return cpu_map__default_new();
}
-static int cmp_int(const void *a, const void *b)
+
+static int cmp_cpu(const void *a, const void *b)
{
- return *(const int *)a - *(const int*)b;
+ const struct perf_cpu *cpu_a = a, *cpu_b = b;
+
+ return cpu_a->cpu - cpu_b->cpu;
}
-static struct perf_cpu_map *cpu_map__trim_new(int nr_cpus, int *tmp_cpus)
+static struct perf_cpu_map *cpu_map__trim_new(int nr_cpus, const struct perf_cpu *tmp_cpus)
{
- size_t payload_size = nr_cpus * sizeof(int);
- struct perf_cpu_map *cpus = malloc(sizeof(*cpus) + payload_size);
+ size_t payload_size = nr_cpus * sizeof(struct perf_cpu);
+ struct perf_cpu_map *cpus = perf_cpu_map__alloc(nr_cpus);
int i, j;
if (cpus != NULL) {
memcpy(cpus->map, tmp_cpus, payload_size);
- qsort(cpus->map, nr_cpus, sizeof(int), cmp_int);
+ qsort(cpus->map, nr_cpus, sizeof(struct perf_cpu), cmp_cpu);
/* Remove dups */
j = 0;
for (i = 0; i < nr_cpus; i++) {
- if (i == 0 || cpus->map[i] != cpus->map[i - 1])
- cpus->map[j++] = cpus->map[i];
+ if (i == 0 || cpus->map[i].cpu != cpus->map[i - 1].cpu)
+ cpus->map[j++].cpu = cpus->map[i].cpu;
}
cpus->nr = j;
assert(j <= nr_cpus);
- refcount_set(&cpus->refcnt, 1);
}
-
return cpus;
}
@@ -105,7 +113,7 @@ struct perf_cpu_map *perf_cpu_map__read(FILE *file)
{
struct perf_cpu_map *cpus = NULL;
int nr_cpus = 0;
- int *tmp_cpus = NULL, *tmp;
+ struct perf_cpu *tmp_cpus = NULL, *tmp;
int max_entries = 0;
int n, cpu, prev;
char sep;
@@ -124,24 +132,24 @@ struct perf_cpu_map *perf_cpu_map__read(FILE *file)
if (new_max >= max_entries) {
max_entries = new_max + MAX_NR_CPUS / 2;
- tmp = realloc(tmp_cpus, max_entries * sizeof(int));
+ tmp = realloc(tmp_cpus, max_entries * sizeof(struct perf_cpu));
if (tmp == NULL)
goto out_free_tmp;
tmp_cpus = tmp;
}
while (++prev < cpu)
- tmp_cpus[nr_cpus++] = prev;
+ tmp_cpus[nr_cpus++].cpu = prev;
}
if (nr_cpus == max_entries) {
max_entries += MAX_NR_CPUS;
- tmp = realloc(tmp_cpus, max_entries * sizeof(int));
+ tmp = realloc(tmp_cpus, max_entries * sizeof(struct perf_cpu));
if (tmp == NULL)
goto out_free_tmp;
tmp_cpus = tmp;
}
- tmp_cpus[nr_cpus++] = cpu;
+ tmp_cpus[nr_cpus++].cpu = cpu;
if (n == 2 && sep == '-')
prev = cpu;
else
@@ -179,7 +187,7 @@ struct perf_cpu_map *perf_cpu_map__new(const char *cpu_list)
unsigned long start_cpu, end_cpu = 0;
char *p = NULL;
int i, nr_cpus = 0;
- int *tmp_cpus = NULL, *tmp;
+ struct perf_cpu *tmp_cpus = NULL, *tmp;
int max_entries = 0;
if (!cpu_list)
@@ -220,17 +228,17 @@ struct perf_cpu_map *perf_cpu_map__new(const char *cpu_list)
for (; start_cpu <= end_cpu; start_cpu++) {
/* check for duplicates */
for (i = 0; i < nr_cpus; i++)
- if (tmp_cpus[i] == (int)start_cpu)
+ if (tmp_cpus[i].cpu == (int)start_cpu)
goto invalid;
if (nr_cpus == max_entries) {
max_entries += MAX_NR_CPUS;
- tmp = realloc(tmp_cpus, max_entries * sizeof(int));
+ tmp = realloc(tmp_cpus, max_entries * sizeof(struct perf_cpu));
if (tmp == NULL)
goto invalid;
tmp_cpus = tmp;
}
- tmp_cpus[nr_cpus++] = (int)start_cpu;
+ tmp_cpus[nr_cpus++].cpu = (int)start_cpu;
}
if (*p)
++p;
@@ -250,12 +258,16 @@ struct perf_cpu_map *perf_cpu_map__new(const char *cpu_list)
return cpus;
}
-int perf_cpu_map__cpu(const struct perf_cpu_map *cpus, int idx)
+struct perf_cpu perf_cpu_map__cpu(const struct perf_cpu_map *cpus, int idx)
{
+ struct perf_cpu result = {
+ .cpu = -1
+ };
+
if (cpus && idx < cpus->nr)
- return cpus->map[idx];
+ result = cpus->map[idx];
- return -1;
+ return result;
}
int perf_cpu_map__nr(const struct perf_cpu_map *cpus)
@@ -265,10 +277,10 @@ int perf_cpu_map__nr(const struct perf_cpu_map *cpus)
bool perf_cpu_map__empty(const struct perf_cpu_map *map)
{
- return map ? map->map[0] == -1 : true;
+ return map ? map->map[0].cpu == -1 : true;
}
-int perf_cpu_map__idx(const struct perf_cpu_map *cpus, int cpu)
+int perf_cpu_map__idx(const struct perf_cpu_map *cpus, struct perf_cpu cpu)
{
int low, high;
@@ -278,13 +290,13 @@ int perf_cpu_map__idx(const struct perf_cpu_map *cpus, int cpu)
low = 0;
high = cpus->nr;
while (low < high) {
- int idx = (low + high) / 2,
- cpu_at_idx = cpus->map[idx];
+ int idx = (low + high) / 2;
+ struct perf_cpu cpu_at_idx = cpus->map[idx];
- if (cpu_at_idx == cpu)
+ if (cpu_at_idx.cpu == cpu.cpu)
return idx;
- if (cpu_at_idx > cpu)
+ if (cpu_at_idx.cpu > cpu.cpu)
high = idx;
else
low = idx + 1;
@@ -293,15 +305,22 @@ int perf_cpu_map__idx(const struct perf_cpu_map *cpus, int cpu)
return -1;
}
-bool perf_cpu_map__has(const struct perf_cpu_map *cpus, int cpu)
+bool perf_cpu_map__has(const struct perf_cpu_map *cpus, struct perf_cpu cpu)
{
return perf_cpu_map__idx(cpus, cpu) != -1;
}
-int perf_cpu_map__max(struct perf_cpu_map *map)
+struct perf_cpu perf_cpu_map__max(struct perf_cpu_map *map)
{
+ struct perf_cpu result = {
+ .cpu = -1
+ };
+
// cpu_map__trim_new() qsort()s it, cpu_map__default_new() sorts it as well.
- return map->nr > 0 ? map->map[map->nr - 1] : -1;
+ if (map->nr > 0)
+ result = map->map[map->nr - 1];
+
+ return result;
}
/*
@@ -315,7 +334,7 @@ int perf_cpu_map__max(struct perf_cpu_map *map)
struct perf_cpu_map *perf_cpu_map__merge(struct perf_cpu_map *orig,
struct perf_cpu_map *other)
{
- int *tmp_cpus;
+ struct perf_cpu *tmp_cpus;
int tmp_len;
int i, j, k;
struct perf_cpu_map *merged;
@@ -329,19 +348,19 @@ struct perf_cpu_map *perf_cpu_map__merge(struct perf_cpu_map *orig,
if (!other)
return orig;
if (orig->nr == other->nr &&
- !memcmp(orig->map, other->map, orig->nr * sizeof(int)))
+ !memcmp(orig->map, other->map, orig->nr * sizeof(struct perf_cpu)))
return orig;
tmp_len = orig->nr + other->nr;
- tmp_cpus = malloc(tmp_len * sizeof(int));
+ tmp_cpus = malloc(tmp_len * sizeof(struct perf_cpu));
if (!tmp_cpus)
return NULL;
/* Standard merge algorithm from wikipedia */
i = j = k = 0;
while (i < orig->nr && j < other->nr) {
- if (orig->map[i] <= other->map[j]) {
- if (orig->map[i] == other->map[j])
+ if (orig->map[i].cpu <= other->map[j].cpu) {
+ if (orig->map[i].cpu == other->map[j].cpu)
j++;
tmp_cpus[k++] = orig->map[i++];
} else
diff --git a/tools/lib/perf/evlist.c b/tools/lib/perf/evlist.c
index 245acbc53bd3..9a770bfdc804 100644
--- a/tools/lib/perf/evlist.c
+++ b/tools/lib/perf/evlist.c
@@ -407,7 +407,7 @@ perf_evlist__mmap_cb_get(struct perf_evlist *evlist, bool overwrite, int idx)
static int
perf_evlist__mmap_cb_mmap(struct perf_mmap *map, struct perf_mmap_param *mp,
- int output, int cpu)
+ int output, struct perf_cpu cpu)
{
return perf_mmap__mmap(map, mp, output, cpu);
}
@@ -426,7 +426,7 @@ mmap_per_evsel(struct perf_evlist *evlist, struct perf_evlist_mmap_ops *ops,
int idx, struct perf_mmap_param *mp, int cpu_idx,
int thread, int *_output, int *_output_overwrite)
{
- int evlist_cpu = perf_cpu_map__cpu(evlist->cpus, cpu_idx);
+ struct perf_cpu evlist_cpu = perf_cpu_map__cpu(evlist->cpus, cpu_idx);
struct perf_evsel *evsel;
int revent;
diff --git a/tools/lib/perf/evsel.c b/tools/lib/perf/evsel.c
index f1e1665ef4bd..7ea86a44eae5 100644
--- a/tools/lib/perf/evsel.c
+++ b/tools/lib/perf/evsel.c
@@ -78,10 +78,10 @@ static int perf_evsel__alloc_mmap(struct perf_evsel *evsel, int ncpus, int nthre
static int
sys_perf_event_open(struct perf_event_attr *attr,
- pid_t pid, int cpu, int group_fd,
+ pid_t pid, struct perf_cpu cpu, int group_fd,
unsigned long flags)
{
- return syscall(__NR_perf_event_open, attr, pid, cpu, group_fd, flags);
+ return syscall(__NR_perf_event_open, attr, pid, cpu.cpu, group_fd, flags);
}
static int get_group_fd(struct perf_evsel *evsel, int cpu_map_idx, int thread, int *group_fd)
@@ -113,7 +113,8 @@ static int get_group_fd(struct perf_evsel *evsel, int cpu_map_idx, int thread, i
int perf_evsel__open(struct perf_evsel *evsel, struct perf_cpu_map *cpus,
struct perf_thread_map *threads)
{
- int cpu, idx, thread, err = 0;
+ struct perf_cpu cpu;
+ int idx, thread, err = 0;
if (cpus == NULL) {
static struct perf_cpu_map *empty_cpu_map;
@@ -252,7 +253,7 @@ int perf_evsel__mmap(struct perf_evsel *evsel, int pages)
for (thread = 0; thread < xyarray__max_y(evsel->fd); thread++) {
int *fd = FD(evsel, idx, thread);
struct perf_mmap *map;
- int cpu = perf_cpu_map__cpu(evsel->cpus, idx);
+ struct perf_cpu cpu = perf_cpu_map__cpu(evsel->cpus, idx);
if (fd == NULL || *fd < 0)
continue;
diff --git a/tools/lib/perf/include/internal/cpumap.h b/tools/lib/perf/include/internal/cpumap.h
index 71a31ed738c9..581f9ffb4237 100644
--- a/tools/lib/perf/include/internal/cpumap.h
+++ b/tools/lib/perf/include/internal/cpumap.h
@@ -4,6 +4,11 @@
#include <linux/refcount.h>
+/** A wrapper around a CPU to avoid confusion with the perf_cpu_map's map's indices. */
+struct perf_cpu {
+ int cpu;
+};
+
/**
* A sized, reference counted, sorted array of integers representing CPU
* numbers. This is commonly used to capture which CPUs a PMU is associated
@@ -16,13 +21,13 @@ struct perf_cpu_map {
/** Length of the map array. */
int nr;
/** The CPU values. */
- int map[];
+ struct perf_cpu map[];
};
#ifndef MAX_NR_CPUS
#define MAX_NR_CPUS 2048
#endif
-int perf_cpu_map__idx(const struct perf_cpu_map *cpus, int cpu);
+int perf_cpu_map__idx(const struct perf_cpu_map *cpus, struct perf_cpu cpu);
#endif /* __LIBPERF_INTERNAL_CPUMAP_H */
diff --git a/tools/lib/perf/include/internal/evlist.h b/tools/lib/perf/include/internal/evlist.h
index 6f74269a3ad4..4cefade540bd 100644
--- a/tools/lib/perf/include/internal/evlist.h
+++ b/tools/lib/perf/include/internal/evlist.h
@@ -4,6 +4,7 @@
#include <linux/list.h>
#include <api/fd/array.h>
+#include <internal/cpumap.h>
#include <internal/evsel.h>
#define PERF_EVLIST__HLIST_BITS 8
@@ -36,7 +37,7 @@ typedef void
typedef struct perf_mmap*
(*perf_evlist_mmap__cb_get_t)(struct perf_evlist*, bool, int);
typedef int
-(*perf_evlist_mmap__cb_mmap_t)(struct perf_mmap*, struct perf_mmap_param*, int, int);
+(*perf_evlist_mmap__cb_mmap_t)(struct perf_mmap*, struct perf_mmap_param*, int, struct perf_cpu);
struct perf_evlist_mmap_ops {
perf_evlist_mmap__cb_idx_t idx;
diff --git a/tools/lib/perf/include/internal/evsel.h b/tools/lib/perf/include/internal/evsel.h
index 1f3eacbad2e8..cfc9ebd7968e 100644
--- a/tools/lib/perf/include/internal/evsel.h
+++ b/tools/lib/perf/include/internal/evsel.h
@@ -6,8 +6,8 @@
#include <linux/perf_event.h>
#include <stdbool.h>
#include <sys/types.h>
+#include <internal/cpumap.h>
-struct perf_cpu_map;
struct perf_thread_map;
struct xyarray;
@@ -27,7 +27,7 @@ struct perf_sample_id {
* queue number.
*/
int idx;
- int cpu;
+ struct perf_cpu cpu;
pid_t tid;
/* Holds total ID period value for PERF_SAMPLE_READ processing. */
diff --git a/tools/lib/perf/include/internal/mmap.h b/tools/lib/perf/include/internal/mmap.h
index 5e3422f40ed5..5a062af8e9d8 100644
--- a/tools/lib/perf/include/internal/mmap.h
+++ b/tools/lib/perf/include/internal/mmap.h
@@ -6,6 +6,7 @@
#include <linux/refcount.h>
#include <linux/types.h>
#include <stdbool.h>
+#include <internal/cpumap.h>
/* perf sample has 16 bits size limit */
#define PERF_SAMPLE_MAX_SIZE (1 << 16)
@@ -24,7 +25,7 @@ struct perf_mmap {
void *base;
int mask;
int fd;
- int cpu;
+ struct perf_cpu cpu;
refcount_t refcnt;
u64 prev;
u64 start;
@@ -46,7 +47,7 @@ size_t perf_mmap__mmap_len(struct perf_mmap *map);
void perf_mmap__init(struct perf_mmap *map, struct perf_mmap *prev,
bool overwrite, libperf_unmap_cb_t unmap_cb);
int perf_mmap__mmap(struct perf_mmap *map, struct perf_mmap_param *mp,
- int fd, int cpu);
+ int fd, struct perf_cpu cpu);
void perf_mmap__munmap(struct perf_mmap *map);
void perf_mmap__get(struct perf_mmap *map);
void perf_mmap__put(struct perf_mmap *map);
diff --git a/tools/lib/perf/include/perf/cpumap.h b/tools/lib/perf/include/perf/cpumap.h
index 3f1c0afa3ccd..15b8faafd615 100644
--- a/tools/lib/perf/include/perf/cpumap.h
+++ b/tools/lib/perf/include/perf/cpumap.h
@@ -3,11 +3,10 @@
#define __LIBPERF_CPUMAP_H
#include <perf/core.h>
+#include <perf/cpumap.h>
#include <stdio.h>
#include <stdbool.h>
-struct perf_cpu_map;
-
LIBPERF_API struct perf_cpu_map *perf_cpu_map__dummy_new(void);
LIBPERF_API struct perf_cpu_map *perf_cpu_map__default_new(void);
LIBPERF_API struct perf_cpu_map *perf_cpu_map__new(const char *cpu_list);
@@ -16,11 +15,11 @@ LIBPERF_API struct perf_cpu_map *perf_cpu_map__get(struct perf_cpu_map *map);
LIBPERF_API struct perf_cpu_map *perf_cpu_map__merge(struct perf_cpu_map *orig,
struct perf_cpu_map *other);
LIBPERF_API void perf_cpu_map__put(struct perf_cpu_map *map);
-LIBPERF_API int perf_cpu_map__cpu(const struct perf_cpu_map *cpus, int idx);
+LIBPERF_API struct perf_cpu perf_cpu_map__cpu(const struct perf_cpu_map *cpus, int idx);
LIBPERF_API int perf_cpu_map__nr(const struct perf_cpu_map *cpus);
LIBPERF_API bool perf_cpu_map__empty(const struct perf_cpu_map *map);
-LIBPERF_API int perf_cpu_map__max(struct perf_cpu_map *map);
-LIBPERF_API bool perf_cpu_map__has(const struct perf_cpu_map *map, int cpu);
+LIBPERF_API struct perf_cpu perf_cpu_map__max(struct perf_cpu_map *map);
+LIBPERF_API bool perf_cpu_map__has(const struct perf_cpu_map *map, struct perf_cpu cpu);
#define perf_cpu_map__for_each_cpu(cpu, idx, cpus) \
for ((idx) = 0, (cpu) = perf_cpu_map__cpu(cpus, idx); \
diff --git a/tools/lib/perf/mmap.c b/tools/lib/perf/mmap.c
index aaa457904008..f7ee07cb5818 100644
--- a/tools/lib/perf/mmap.c
+++ b/tools/lib/perf/mmap.c
@@ -32,7 +32,7 @@ size_t perf_mmap__mmap_len(struct perf_mmap *map)
}
int perf_mmap__mmap(struct perf_mmap *map, struct perf_mmap_param *mp,
- int fd, int cpu)
+ int fd, struct perf_cpu cpu)
{
map->prev = 0;
map->mask = mp->mask;
diff --git a/tools/perf/bench/epoll-ctl.c b/tools/perf/bench/epoll-ctl.c
index ddaca75c3bc0..1a17ec83d3c4 100644
--- a/tools/perf/bench/epoll-ctl.c
+++ b/tools/perf/bench/epoll-ctl.c
@@ -253,7 +253,7 @@ static int do_threads(struct worker *worker, struct perf_cpu_map *cpu)
if (!noaffinity) {
CPU_ZERO(&cpuset);
- CPU_SET(cpu->map[i % cpu->nr], &cpuset);
+ CPU_SET(perf_cpu_map__cpu(cpu, i % perf_cpu_map__nr(cpu)).cpu, &cpuset);
ret = pthread_attr_setaffinity_np(&thread_attr, sizeof(cpu_set_t), &cpuset);
if (ret)
diff --git a/tools/perf/bench/epoll-wait.c b/tools/perf/bench/epoll-wait.c
index 79d13dbc0a47..0d1dd8879197 100644
--- a/tools/perf/bench/epoll-wait.c
+++ b/tools/perf/bench/epoll-wait.c
@@ -342,7 +342,7 @@ static int do_threads(struct worker *worker, struct perf_cpu_map *cpu)
if (!noaffinity) {
CPU_ZERO(&cpuset);
- CPU_SET(cpu->map[i % cpu->nr], &cpuset);
+ CPU_SET(perf_cpu_map__cpu(cpu, i % perf_cpu_map__nr(cpu)).cpu, &cpuset);
ret = pthread_attr_setaffinity_np(&thread_attr, sizeof(cpu_set_t), &cpuset);
if (ret)
diff --git a/tools/perf/bench/futex-hash.c b/tools/perf/bench/futex-hash.c
index fcdea3e44937..9627b6ab8670 100644
--- a/tools/perf/bench/futex-hash.c
+++ b/tools/perf/bench/futex-hash.c
@@ -177,7 +177,7 @@ int bench_futex_hash(int argc, const char **argv)
goto errmem;
CPU_ZERO(&cpuset);
- CPU_SET(cpu->map[i % cpu->nr], &cpuset);
+ CPU_SET(perf_cpu_map__cpu(cpu, i % perf_cpu_map__nr(cpu)).cpu, &cpuset);
ret = pthread_attr_setaffinity_np(&thread_attr, sizeof(cpu_set_t), &cpuset);
if (ret)
diff --git a/tools/perf/bench/futex-lock-pi.c b/tools/perf/bench/futex-lock-pi.c
index 137890f78e17..a512a320df74 100644
--- a/tools/perf/bench/futex-lock-pi.c
+++ b/tools/perf/bench/futex-lock-pi.c
@@ -136,7 +136,7 @@ static void create_threads(struct worker *w, pthread_attr_t thread_attr,
worker[i].futex = &global_futex;
CPU_ZERO(&cpuset);
- CPU_SET(cpu->map[i % cpu->nr], &cpuset);
+ CPU_SET(perf_cpu_map__cpu(cpu, i % perf_cpu_map__nr(cpu)).cpu, &cpuset);
if (pthread_attr_setaffinity_np(&thread_attr, sizeof(cpu_set_t), &cpuset))
err(EXIT_FAILURE, "pthread_attr_setaffinity_np");
diff --git a/tools/perf/bench/futex-requeue.c b/tools/perf/bench/futex-requeue.c
index f7a5ffebb940..aca47ce8b1e7 100644
--- a/tools/perf/bench/futex-requeue.c
+++ b/tools/perf/bench/futex-requeue.c
@@ -131,7 +131,7 @@ static void block_threads(pthread_t *w,
/* create and block all threads */
for (i = 0; i < params.nthreads; i++) {
CPU_ZERO(&cpuset);
- CPU_SET(cpu->map[i % cpu->nr], &cpuset);
+ CPU_SET(perf_cpu_map__cpu(cpu, i % perf_cpu_map__nr(cpu)).cpu, &cpuset);
if (pthread_attr_setaffinity_np(&thread_attr, sizeof(cpu_set_t), &cpuset))
err(EXIT_FAILURE, "pthread_attr_setaffinity_np");
diff --git a/tools/perf/bench/futex-wake-parallel.c b/tools/perf/bench/futex-wake-parallel.c
index 0983f40b4b40..888ee6037945 100644
--- a/tools/perf/bench/futex-wake-parallel.c
+++ b/tools/perf/bench/futex-wake-parallel.c
@@ -152,7 +152,7 @@ static void block_threads(pthread_t *w, pthread_attr_t thread_attr,
/* create and block all threads */
for (i = 0; i < params.nthreads; i++) {
CPU_ZERO(&cpuset);
- CPU_SET(cpu->map[i % cpu->nr], &cpuset);
+ CPU_SET(perf_cpu_map__cpu(cpu, i % perf_cpu_map__nr(cpu)).cpu, &cpuset);
if (pthread_attr_setaffinity_np(&thread_attr, sizeof(cpu_set_t), &cpuset))
err(EXIT_FAILURE, "pthread_attr_setaffinity_np");
diff --git a/tools/perf/bench/futex-wake.c b/tools/perf/bench/futex-wake.c
index 2226a475e782..aa82db51c0ab 100644
--- a/tools/perf/bench/futex-wake.c
+++ b/tools/perf/bench/futex-wake.c
@@ -105,7 +105,7 @@ static void block_threads(pthread_t *w,
/* create and block all threads */
for (i = 0; i < params.nthreads; i++) {
CPU_ZERO(&cpuset);
- CPU_SET(cpu->map[i % cpu->nr], &cpuset);
+ CPU_SET(perf_cpu_map__cpu(cpu, i % perf_cpu_map__nr(cpu)).cpu, &cpuset);
if (pthread_attr_setaffinity_np(&thread_attr, sizeof(cpu_set_t), &cpuset))
err(EXIT_FAILURE, "pthread_attr_setaffinity_np");
diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index ad1fbeafc93d..77dd4afacca4 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -2015,7 +2015,8 @@ static int setup_nodes(struct perf_session *session)
{
struct numa_node *n;
unsigned long **nodes;
- int node, cpu, idx;
+ int node, idx;
+ struct perf_cpu cpu;
int *cpu2node;
if (c2c.node_info > 2)
@@ -2038,8 +2039,8 @@ static int setup_nodes(struct perf_session *session)
if (!cpu2node)
return -ENOMEM;
- for (cpu = 0; cpu < c2c.cpus_cnt; cpu++)
- cpu2node[cpu] = -1;
+ for (idx = 0; idx < c2c.cpus_cnt; idx++)
+ cpu2node[idx] = -1;
c2c.cpu2node = cpu2node;
@@ -2058,12 +2059,12 @@ static int setup_nodes(struct perf_session *session)
continue;
perf_cpu_map__for_each_cpu(cpu, idx, map) {
- set_bit(cpu, set);
+ set_bit(cpu.cpu, set);
- if (WARN_ONCE(cpu2node[cpu] != -1, "node/cpu topology bug"))
+ if (WARN_ONCE(cpu2node[cpu.cpu] != -1, "node/cpu topology bug"))
return -EINVAL;
- cpu2node[cpu] = node;
+ cpu2node[cpu.cpu] = node;
}
}
diff --git a/tools/perf/builtin-ftrace.c b/tools/perf/builtin-ftrace.c
index f16c39a37a52..71452599f87d 100644
--- a/tools/perf/builtin-ftrace.c
+++ b/tools/perf/builtin-ftrace.c
@@ -281,7 +281,7 @@ static int set_tracing_cpumask(struct perf_cpu_map *cpumap)
int ret;
int last_cpu;
- last_cpu = perf_cpu_map__cpu(cpumap, cpumap->nr - 1);
+ last_cpu = perf_cpu_map__cpu(cpumap, cpumap->nr - 1).cpu;
mask_size = last_cpu / 4 + 2; /* one more byte for EOS */
mask_size += last_cpu / 32; /* ',' is needed for every 32th cpus */
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index da03a341c63c..99d7ff9a8eff 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -192,7 +192,7 @@ static int evsel__process_alloc_node_event(struct evsel *evsel, struct perf_samp
int ret = evsel__process_alloc_event(evsel, sample);
if (!ret) {
- int node1 = cpu__get_node(sample->cpu),
+ int node1 = cpu__get_node((struct perf_cpu){.cpu = sample->cpu}),
node2 = evsel__intval(evsel, sample, "node");
if (node1 != node2)
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 6ac2160913ea..0a63295d30f0 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -2796,7 +2796,7 @@ int cmd_record(int argc, const char **argv)
symbol__init(NULL);
if (rec->opts.affinity != PERF_AFFINITY_SYS) {
- rec->affinity_mask.nbits = cpu__max_cpu();
+ rec->affinity_mask.nbits = cpu__max_cpu().cpu;
rec->affinity_mask.bits = bitmap_zalloc(rec->affinity_mask.nbits);
if (!rec->affinity_mask.bits) {
pr_err("Failed to allocate thread mask for %zd cpus\n", rec->affinity_mask.nbits);
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 9da1da4749c9..72d446de9c60 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -167,7 +167,7 @@ struct trace_sched_handler {
struct perf_sched_map {
DECLARE_BITMAP(comp_cpus_mask, MAX_CPUS);
- int *comp_cpus;
+ struct perf_cpu *comp_cpus;
bool comp;
struct perf_thread_map *color_pids;
const char *color_pids_str;
@@ -191,7 +191,7 @@ struct perf_sched {
* Track the current task - that way we can know whether there's any
* weird events, such as a task being switched away that is not current.
*/
- int max_cpu;
+ struct perf_cpu max_cpu;
u32 curr_pid[MAX_CPUS];
struct thread *curr_thread[MAX_CPUS];
char next_shortname1;
@@ -1535,28 +1535,31 @@ static int map_switch_event(struct perf_sched *sched, struct evsel *evsel,
int new_shortname;
u64 timestamp0, timestamp = sample->time;
s64 delta;
- int i, this_cpu = sample->cpu;
+ int i;
+ struct perf_cpu this_cpu = {
+ .cpu = sample->cpu,
+ };
int cpus_nr;
bool new_cpu = false;
const char *color = PERF_COLOR_NORMAL;
char stimestamp[32];
- BUG_ON(this_cpu >= MAX_CPUS || this_cpu < 0);
+ BUG_ON(this_cpu.cpu >= MAX_CPUS || this_cpu.cpu < 0);
- if (this_cpu > sched->max_cpu)
+ if (this_cpu.cpu > sched->max_cpu.cpu)
sched->max_cpu = this_cpu;
if (sched->map.comp) {
cpus_nr = bitmap_weight(sched->map.comp_cpus_mask, MAX_CPUS);
- if (!test_and_set_bit(this_cpu, sched->map.comp_cpus_mask)) {
+ if (!test_and_set_bit(this_cpu.cpu, sched->map.comp_cpus_mask)) {
sched->map.comp_cpus[cpus_nr++] = this_cpu;
new_cpu = true;
}
} else
- cpus_nr = sched->max_cpu;
+ cpus_nr = sched->max_cpu.cpu;
- timestamp0 = sched->cpu_last_switched[this_cpu];
- sched->cpu_last_switched[this_cpu] = timestamp;
+ timestamp0 = sched->cpu_last_switched[this_cpu.cpu];
+ sched->cpu_last_switched[this_cpu.cpu] = timestamp;
if (timestamp0)
delta = timestamp - timestamp0;
else
@@ -1577,7 +1580,7 @@ static int map_switch_event(struct perf_sched *sched, struct evsel *evsel,
return -1;
}
- sched->curr_thread[this_cpu] = thread__get(sched_in);
+ sched->curr_thread[this_cpu.cpu] = thread__get(sched_in);
printf(" ");
@@ -1608,8 +1611,10 @@ static int map_switch_event(struct perf_sched *sched, struct evsel *evsel,
}
for (i = 0; i < cpus_nr; i++) {
- int cpu = sched->map.comp ? sched->map.comp_cpus[i] : i;
- struct thread *curr_thread = sched->curr_thread[cpu];
+ struct perf_cpu cpu = {
+ .cpu = sched->map.comp ? sched->map.comp_cpus[i].cpu : i,
+ };
+ struct thread *curr_thread = sched->curr_thread[cpu.cpu];
struct thread_runtime *curr_tr;
const char *pid_color = color;
const char *cpu_color = color;
@@ -1623,13 +1628,13 @@ static int map_switch_event(struct perf_sched *sched, struct evsel *evsel,
if (sched->map.color_cpus && perf_cpu_map__has(sched->map.color_cpus, cpu))
cpu_color = COLOR_CPUS;
- if (cpu != this_cpu)
+ if (cpu.cpu != this_cpu.cpu)
color_fprintf(stdout, color, " ");
else
color_fprintf(stdout, cpu_color, "*");
- if (sched->curr_thread[cpu]) {
- curr_tr = thread__get_runtime(sched->curr_thread[cpu]);
+ if (sched->curr_thread[cpu.cpu]) {
+ curr_tr = thread__get_runtime(sched->curr_thread[cpu.cpu]);
if (curr_tr == NULL) {
thread__put(sched_in);
return -1;
@@ -1929,7 +1934,7 @@ static char *timehist_get_commstr(struct thread *thread)
static void timehist_header(struct perf_sched *sched)
{
- u32 ncpus = sched->max_cpu + 1;
+ u32 ncpus = sched->max_cpu.cpu + 1;
u32 i, j;
printf("%15s %6s ", "time", "cpu");
@@ -2008,7 +2013,7 @@ static void timehist_print_sample(struct perf_sched *sched,
struct thread_runtime *tr = thread__priv(thread);
const char *next_comm = evsel__strval(evsel, sample, "next_comm");
const u32 next_pid = evsel__intval(evsel, sample, "next_pid");
- u32 max_cpus = sched->max_cpu + 1;
+ u32 max_cpus = sched->max_cpu.cpu + 1;
char tstr[64];
char nstr[30];
u64 wait_time;
@@ -2389,7 +2394,7 @@ static void timehist_print_wakeup_event(struct perf_sched *sched,
timestamp__scnprintf_usec(sample->time, tstr, sizeof(tstr));
printf("%15s [%04d] ", tstr, sample->cpu);
if (sched->show_cpu_visual)
- printf(" %*s ", sched->max_cpu + 1, "");
+ printf(" %*s ", sched->max_cpu.cpu + 1, "");
printf(" %-*s ", comm_width, timehist_get_commstr(thread));
@@ -2449,13 +2454,13 @@ static void timehist_print_migration_event(struct perf_sched *sched,
{
struct thread *thread;
char tstr[64];
- u32 max_cpus = sched->max_cpu + 1;
+ u32 max_cpus;
u32 ocpu, dcpu;
if (sched->summary_only)
return;
- max_cpus = sched->max_cpu + 1;
+ max_cpus = sched->max_cpu.cpu + 1;
ocpu = evsel__intval(evsel, sample, "orig_cpu");
dcpu = evsel__intval(evsel, sample, "dest_cpu");
@@ -2918,7 +2923,7 @@ static void timehist_print_summary(struct perf_sched *sched,
printf(" Total scheduling time (msec): ");
print_sched_time(hist_time, 2);
- printf(" (x %d)\n", sched->max_cpu);
+ printf(" (x %d)\n", sched->max_cpu.cpu);
}
typedef int (*sched_handler)(struct perf_tool *tool,
@@ -2935,9 +2940,11 @@ static int perf_timehist__process_sample(struct perf_tool *tool,
{
struct perf_sched *sched = container_of(tool, struct perf_sched, tool);
int err = 0;
- int this_cpu = sample->cpu;
+ struct perf_cpu this_cpu = {
+ .cpu = sample->cpu,
+ };
- if (this_cpu > sched->max_cpu)
+ if (this_cpu.cpu > sched->max_cpu.cpu)
sched->max_cpu = this_cpu;
if (evsel->handler != NULL) {
@@ -3054,10 +3061,10 @@ static int perf_sched__timehist(struct perf_sched *sched)
goto out;
/* pre-allocate struct for per-CPU idle stats */
- sched->max_cpu = session->header.env.nr_cpus_online;
- if (sched->max_cpu == 0)
- sched->max_cpu = 4;
- if (init_idle_threads(sched->max_cpu))
+ sched->max_cpu.cpu = session->header.env.nr_cpus_online;
+ if (sched->max_cpu.cpu == 0)
+ sched->max_cpu.cpu = 4;
+ if (init_idle_threads(sched->max_cpu.cpu))
goto out;
/* summary_only implies summary option, but don't overwrite summary if set */
@@ -3209,10 +3216,10 @@ static int setup_map_cpus(struct perf_sched *sched)
{
struct perf_cpu_map *map;
- sched->max_cpu = sysconf(_SC_NPROCESSORS_CONF);
+ sched->max_cpu.cpu = sysconf(_SC_NPROCESSORS_CONF);
if (sched->map.comp) {
- sched->map.comp_cpus = zalloc(sched->max_cpu * sizeof(int));
+ sched->map.comp_cpus = zalloc(sched->max_cpu.cpu * sizeof(int));
if (!sched->map.comp_cpus)
return -1;
}
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index bb43529618b3..ecd4f99a6c14 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -2115,7 +2115,8 @@ static struct scripting_ops *scripting_ops;
static void __process_stat(struct evsel *counter, u64 tstamp)
{
int nthreads = perf_thread_map__nr(counter->core.threads);
- int idx, cpu, thread;
+ int idx, thread;
+ struct perf_cpu cpu;
static int header_printed;
if (counter->core.system_wide)
@@ -2134,7 +2135,7 @@ static void __process_stat(struct evsel *counter, u64 tstamp)
counts = perf_counts(counter->counts, idx, thread);
printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
- cpu,
+ cpu.cpu,
perf_thread_map__pid(counter->core.threads, thread),
counts->val,
counts->ena,
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 68543bc7459f..f81c7f595fd9 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -234,7 +234,7 @@ static bool cpus_map_matched(struct evsel *a, struct evsel *b)
return false;
for (int i = 0; i < a->core.cpus->nr; i++) {
- if (a->core.cpus->map[i] != b->core.cpus->map[i])
+ if (a->core.cpus->map[i].cpu != b->core.cpus->map[i].cpu)
return false;
}
@@ -331,7 +331,7 @@ static int evsel__write_stat_event(struct evsel *counter, int cpu_map_idx, u32 t
struct perf_counts_values *count)
{
struct perf_sample_id *sid = SID(counter, cpu_map_idx, thread);
- int cpu = perf_cpu_map__cpu(evsel__cpus(counter), cpu_map_idx);
+ struct perf_cpu cpu = perf_cpu_map__cpu(evsel__cpus(counter), cpu_map_idx);
return perf_event__synthesize_stat(NULL, cpu, thread, sid->id, count,
process_synthesized_event, NULL);
@@ -396,7 +396,8 @@ static int read_counter_cpu(struct evsel *counter, struct timespec *rs, int cpu_
fprintf(stat_config.output,
"%s: %d: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
evsel__name(counter),
- perf_cpu_map__cpu(evsel__cpus(counter), cpu_map_idx),
+ perf_cpu_map__cpu(evsel__cpus(counter),
+ cpu_map_idx).cpu,
count->val, count->ena, count->run);
}
}
@@ -1328,61 +1329,61 @@ static const char *const aggr_mode__string[] = {
};
static struct aggr_cpu_id perf_stat__get_socket(struct perf_stat_config *config __maybe_unused,
- int cpu)
+ struct perf_cpu cpu)
{
return aggr_cpu_id__socket(cpu, /*data=*/NULL);
}
static struct aggr_cpu_id perf_stat__get_die(struct perf_stat_config *config __maybe_unused,
- int cpu)
+ struct perf_cpu cpu)
{
return aggr_cpu_id__die(cpu, /*data=*/NULL);
}
static struct aggr_cpu_id perf_stat__get_core(struct perf_stat_config *config __maybe_unused,
- int cpu)
+ struct perf_cpu cpu)
{
return aggr_cpu_id__core(cpu, /*data=*/NULL);
}
static struct aggr_cpu_id perf_stat__get_node(struct perf_stat_config *config __maybe_unused,
- int cpu)
+ struct perf_cpu cpu)
{
return aggr_cpu_id__node(cpu, /*data=*/NULL);
}
static struct aggr_cpu_id perf_stat__get_aggr(struct perf_stat_config *config,
- aggr_get_id_t get_id, int cpu)
+ aggr_get_id_t get_id, struct perf_cpu cpu)
{
struct aggr_cpu_id id = aggr_cpu_id__empty();
- if (aggr_cpu_id__is_empty(&config->cpus_aggr_map->map[cpu]))
- config->cpus_aggr_map->map[cpu] = get_id(config, cpu);
+ if (aggr_cpu_id__is_empty(&config->cpus_aggr_map->map[cpu.cpu]))
+ config->cpus_aggr_map->map[cpu.cpu] = get_id(config, cpu);
- id = config->cpus_aggr_map->map[cpu];
+ id = config->cpus_aggr_map->map[cpu.cpu];
return id;
}
static struct aggr_cpu_id perf_stat__get_socket_cached(struct perf_stat_config *config,
- int cpu)
+ struct perf_cpu cpu)
{
return perf_stat__get_aggr(config, perf_stat__get_socket, cpu);
}
static struct aggr_cpu_id perf_stat__get_die_cached(struct perf_stat_config *config,
- int cpu)
+ struct perf_cpu cpu)
{
return perf_stat__get_aggr(config, perf_stat__get_die, cpu);
}
static struct aggr_cpu_id perf_stat__get_core_cached(struct perf_stat_config *config,
- int cpu)
+ struct perf_cpu cpu)
{
return perf_stat__get_aggr(config, perf_stat__get_core, cpu);
}
static struct aggr_cpu_id perf_stat__get_node_cached(struct perf_stat_config *config,
- int cpu)
+ struct perf_cpu cpu)
{
return perf_stat__get_aggr(config, perf_stat__get_node, cpu);
}
@@ -1467,7 +1468,7 @@ static int perf_stat_init_aggr_mode(void)
* taking the highest cpu number to be the size of
* the aggregation translate cpumap.
*/
- nr = perf_cpu_map__max(evsel_list->core.cpus);
+ nr = perf_cpu_map__max(evsel_list->core.cpus).cpu;
stat_config.cpus_aggr_map = cpu_aggr_map__empty_new(nr + 1);
return stat_config.cpus_aggr_map ? 0 : -ENOMEM;
}
@@ -1495,71 +1496,66 @@ static void perf_stat__exit_aggr_mode(void)
stat_config.cpus_aggr_map = NULL;
}
-static inline int perf_env__get_cpu(void *data, struct perf_cpu_map *map, int idx)
+static inline struct perf_cpu perf_env__get_cpu(void *data, struct perf_cpu_map *map, int idx)
{
struct perf_env *env = data;
- int cpu;
+ struct perf_cpu cpu = perf_cpu_map__cpu(map, idx);
- if (idx > map->nr)
- return -1;
-
- cpu = map->map[idx];
-
- if (cpu >= env->nr_cpus_avail)
- return -1;
+ if (cpu.cpu >= env->nr_cpus_avail)
+ cpu.cpu = -1;
return cpu;
}
-static struct aggr_cpu_id perf_env__get_socket_aggr_by_cpu(int cpu, void *data)
+static struct aggr_cpu_id perf_env__get_socket_aggr_by_cpu(struct perf_cpu cpu, void *data)
{
struct perf_env *env = data;
struct aggr_cpu_id id = aggr_cpu_id__empty();
- if (cpu != -1)
- id.socket = env->cpu[cpu].socket_id;
+ if (cpu.cpu != -1)
+ id.socket = env->cpu[cpu.cpu].socket_id;
return id;
}
-static struct aggr_cpu_id perf_env__get_die_aggr_by_cpu(int cpu, void *data)
+static struct aggr_cpu_id perf_env__get_die_aggr_by_cpu(struct perf_cpu cpu, void *data)
{
struct perf_env *env = data;
struct aggr_cpu_id id = aggr_cpu_id__empty();
- if (cpu != -1) {
+ if (cpu.cpu != -1) {
/*
* die_id is relative to socket, so start
* with the socket ID and then add die to
* make a unique ID.
*/
- id.socket = env->cpu[cpu].socket_id;
- id.die = env->cpu[cpu].die_id;
+ id.socket = env->cpu[cpu.cpu].socket_id;
+ id.die = env->cpu[cpu.cpu].die_id;
}
return id;
}
-static struct aggr_cpu_id perf_env__get_core_aggr_by_cpu(int cpu, void *data)
+static struct aggr_cpu_id perf_env__get_core_aggr_by_cpu(struct perf_cpu cpu, void *data)
{
struct perf_env *env = data;
struct aggr_cpu_id id = aggr_cpu_id__empty();
- if (cpu != -1) {
+ if (cpu.cpu != -1) {
/*
* core_id is relative to socket and die,
* we need a global id. So we set
* socket, die id and core id
*/
- id.socket = env->cpu[cpu].socket_id;
- id.die = env->cpu[cpu].die_id;
- id.core = env->cpu[cpu].core_id;
+ id.socket = env->cpu[cpu.cpu].socket_id;
+ id.die = env->cpu[cpu.cpu].die_id;
+ id.core = env->cpu[cpu.cpu].core_id;
}
return id;
}
-static struct aggr_cpu_id perf_env__get_node_aggr_by_cpu(int cpu, void *data)
+static struct aggr_cpu_id perf_env__get_node_aggr_by_cpu(struct perf_cpu cpu, void *data)
{
struct aggr_cpu_id id = aggr_cpu_id__empty();
@@ -1568,24 +1564,24 @@ static struct aggr_cpu_id perf_env__get_node_aggr_by_cpu(int cpu, void *data)
}
static struct aggr_cpu_id perf_stat__get_socket_file(struct perf_stat_config *config __maybe_unused,
- int cpu)
+ struct perf_cpu cpu)
{
return perf_env__get_socket_aggr_by_cpu(cpu, &perf_stat.session->header.env);
}
static struct aggr_cpu_id perf_stat__get_die_file(struct perf_stat_config *config __maybe_unused,
- int cpu)
+ struct perf_cpu cpu)
{
return perf_env__get_die_aggr_by_cpu(cpu, &perf_stat.session->header.env);
}
static struct aggr_cpu_id perf_stat__get_core_file(struct perf_stat_config *config __maybe_unused,
- int cpu)
+ struct perf_cpu cpu)
{
return perf_env__get_core_aggr_by_cpu(cpu, &perf_stat.session->header.env);
}
static struct aggr_cpu_id perf_stat__get_node_file(struct perf_stat_config *config __maybe_unused,
- int cpu)
+ struct perf_cpu cpu)
{
return perf_env__get_node_aggr_by_cpu(cpu, &perf_stat.session->header.env);
}
diff --git a/tools/perf/tests/attr.c b/tools/perf/tests/attr.c
index 0f73e300f207..56fba08a3037 100644
--- a/tools/perf/tests/attr.c
+++ b/tools/perf/tests/attr.c
@@ -65,7 +65,7 @@ do { \
#define WRITE_ASS(field, fmt) __WRITE_ASS(field, fmt, attr->field)
-static int store_event(struct perf_event_attr *attr, pid_t pid, int cpu,
+static int store_event(struct perf_event_attr *attr, pid_t pid, struct perf_cpu cpu,
int fd, int group_fd, unsigned long flags)
{
FILE *file;
@@ -93,7 +93,7 @@ static int store_event(struct perf_event_attr *attr, pid_t pid, int cpu,
/* syscall arguments */
__WRITE_ASS(fd, "d", fd);
__WRITE_ASS(group_fd, "d", group_fd);
- __WRITE_ASS(cpu, "d", cpu);
+ __WRITE_ASS(cpu, "d", cpu.cpu);
__WRITE_ASS(pid, "d", pid);
__WRITE_ASS(flags, "lu", flags);
@@ -144,7 +144,7 @@ static int store_event(struct perf_event_attr *attr, pid_t pid, int cpu,
return 0;
}
-void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu,
+void test_attr__open(struct perf_event_attr *attr, pid_t pid, struct perf_cpu cpu,
int fd, int group_fd, unsigned long flags)
{
int errno_saved = errno;
diff --git a/tools/perf/tests/bitmap.c b/tools/perf/tests/bitmap.c
index 384856347236..0bf399c49849 100644
--- a/tools/perf/tests/bitmap.c
+++ b/tools/perf/tests/bitmap.c
@@ -18,7 +18,7 @@ static unsigned long *get_bitmap(const char *str, int nbits)
if (map && bm) {
for (i = 0; i < map->nr; i++)
- set_bit(map->map[i], bm);
+ set_bit(map->map[i].cpu, bm);
}
if (map)
diff --git a/tools/perf/tests/cpumap.c b/tools/perf/tests/cpumap.c
index 89a155092f85..84e87e31f119 100644
--- a/tools/perf/tests/cpumap.c
+++ b/tools/perf/tests/cpumap.c
@@ -38,7 +38,7 @@ static int process_event_mask(struct perf_tool *tool __maybe_unused,
TEST_ASSERT_VAL("wrong nr", map->nr == 20);
for (i = 0; i < 20; i++) {
- TEST_ASSERT_VAL("wrong cpu", map->map[i] == i);
+ TEST_ASSERT_VAL("wrong cpu", map->map[i].cpu == i);
}
perf_cpu_map__put(map);
@@ -67,8 +67,8 @@ static int process_event_cpus(struct perf_tool *tool __maybe_unused,
map = cpu_map__new_data(data);
TEST_ASSERT_VAL("wrong nr", map->nr == 2);
- TEST_ASSERT_VAL("wrong cpu", map->map[0] == 1);
- TEST_ASSERT_VAL("wrong cpu", map->map[1] == 256);
+ TEST_ASSERT_VAL("wrong cpu", map->map[0].cpu == 1);
+ TEST_ASSERT_VAL("wrong cpu", map->map[1].cpu == 256);
TEST_ASSERT_VAL("wrong refcnt", refcount_read(&map->refcnt) == 1);
perf_cpu_map__put(map);
return 0;
diff --git a/tools/perf/tests/event_update.c b/tools/perf/tests/event_update.c
index d01532d40acb..16b6d6f47f38 100644
--- a/tools/perf/tests/event_update.c
+++ b/tools/perf/tests/event_update.c
@@ -76,9 +76,9 @@ static int process_event_cpus(struct perf_tool *tool __maybe_unused,
TEST_ASSERT_VAL("wrong id", ev->id == 123);
TEST_ASSERT_VAL("wrong type", ev->type == PERF_EVENT_UPDATE__CPUS);
TEST_ASSERT_VAL("wrong cpus", map->nr == 3);
- TEST_ASSERT_VAL("wrong cpus", map->map[0] == 1);
- TEST_ASSERT_VAL("wrong cpus", map->map[1] == 2);
- TEST_ASSERT_VAL("wrong cpus", map->map[2] == 3);
+ TEST_ASSERT_VAL("wrong cpus", map->map[0].cpu == 1);
+ TEST_ASSERT_VAL("wrong cpus", map->map[1].cpu == 2);
+ TEST_ASSERT_VAL("wrong cpus", map->map[2].cpu == 3);
perf_cpu_map__put(map);
return 0;
}
diff --git a/tools/perf/tests/mem2node.c b/tools/perf/tests/mem2node.c
index b17b86391383..f4a4aba33f76 100644
--- a/tools/perf/tests/mem2node.c
+++ b/tools/perf/tests/mem2node.c
@@ -31,7 +31,7 @@ static unsigned long *get_bitmap(const char *str, int nbits)
if (map && bm) {
for (i = 0; i < map->nr; i++) {
- set_bit(map->map[i], bm);
+ set_bit(map->map[i].cpu, bm);
}
}
diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c
index 90b2feda31ac..0ad62914b4d7 100644
--- a/tools/perf/tests/mmap-basic.c
+++ b/tools/perf/tests/mmap-basic.c
@@ -59,11 +59,11 @@ static int test__basic_mmap(struct test_suite *test __maybe_unused, int subtest
}
CPU_ZERO(&cpu_set);
- CPU_SET(cpus->map[0], &cpu_set);
+ CPU_SET(cpus->map[0].cpu, &cpu_set);
sched_setaffinity(0, sizeof(cpu_set), &cpu_set);
if (sched_setaffinity(0, sizeof(cpu_set), &cpu_set) < 0) {
pr_debug("sched_setaffinity() failed on CPU %d: %s ",
- cpus->map[0], str_error_r(errno, sbuf, sizeof(sbuf)));
+ cpus->map[0].cpu, str_error_r(errno, sbuf, sizeof(sbuf)));
goto out_free_cpus;
}
diff --git a/tools/perf/tests/openat-syscall-all-cpus.c b/tools/perf/tests/openat-syscall-all-cpus.c
index ca0a50e92839..1ab362323d25 100644
--- a/tools/perf/tests/openat-syscall-all-cpus.c
+++ b/tools/perf/tests/openat-syscall-all-cpus.c
@@ -22,7 +22,8 @@
static int test__openat_syscall_event_on_all_cpus(struct test_suite *test __maybe_unused,
int subtest __maybe_unused)
{
- int err = -1, fd, idx, cpu;
+ int err = -1, fd, idx;
+ struct perf_cpu cpu;
struct perf_cpu_map *cpus;
struct evsel *evsel;
unsigned int nr_openat_calls = 111, i;
@@ -66,15 +67,15 @@ static int test__openat_syscall_event_on_all_cpus(struct test_suite *test __mayb
* without CPU_ALLOC. 1024 cpus in 2010 still seems
* a reasonable upper limit tho :-)
*/
- if (cpu >= CPU_SETSIZE) {
- pr_debug("Ignoring CPU %d\n", cpu);
+ if (cpu.cpu >= CPU_SETSIZE) {
+ pr_debug("Ignoring CPU %d\n", cpu.cpu);
continue;
}
- CPU_SET(cpu, &cpu_set);
+ CPU_SET(cpu.cpu, &cpu_set);
if (sched_setaffinity(0, sizeof(cpu_set), &cpu_set) < 0) {
pr_debug("sched_setaffinity() failed on CPU %d: %s ",
- cpu,
+ cpu.cpu,
str_error_r(errno, sbuf, sizeof(sbuf)));
goto out_close_fd;
}
@@ -82,7 +83,7 @@ static int test__openat_syscall_event_on_all_cpus(struct test_suite *test __mayb
fd = openat(0, "/etc/passwd", O_RDONLY);
close(fd);
}
- CPU_CLR(cpu, &cpu_set);
+ CPU_CLR(cpu.cpu, &cpu_set);
}
evsel->core.cpus = perf_cpu_map__get(cpus);
@@ -92,7 +93,7 @@ static int test__openat_syscall_event_on_all_cpus(struct test_suite *test __mayb
perf_cpu_map__for_each_cpu(cpu, idx, cpus) {
unsigned int expected;
- if (cpu >= CPU_SETSIZE)
+ if (cpu.cpu >= CPU_SETSIZE)
continue;
if (evsel__read_on_cpu(evsel, idx, 0) < 0) {
@@ -104,7 +105,7 @@ static int test__openat_syscall_event_on_all_cpus(struct test_suite *test __mayb
expected = nr_openat_calls + idx;
if (perf_counts(evsel->counts, idx, 0)->val != expected) {
pr_debug("evsel__read_on_cpu: expected to intercept %d calls on cpu %d, got %" PRIu64 "\n",
- expected, cpu, perf_counts(evsel->counts, idx, 0)->val);
+ expected, cpu.cpu, perf_counts(evsel->counts, idx, 0)->val);
err = -1;
}
}
diff --git a/tools/perf/tests/stat.c b/tools/perf/tests/stat.c
index 2eb096b5e6da..500974040fe3 100644
--- a/tools/perf/tests/stat.c
+++ b/tools/perf/tests/stat.c
@@ -87,7 +87,8 @@ static int test__synthesize_stat(struct test_suite *test __maybe_unused, int sub
count.run = 300;
TEST_ASSERT_VAL("failed to synthesize stat_config",
- !perf_event__synthesize_stat(NULL, 1, 2, 3, &count, process_stat_event, NULL));
+ !perf_event__synthesize_stat(NULL, (struct perf_cpu){.cpu = 1}, 2, 3,
+ &count, process_stat_event, NULL));
return 0;
}
diff --git a/tools/perf/tests/topology.c b/tools/perf/tests/topology.c
index 33e4cb81265c..c4ef0c7002f1 100644
--- a/tools/perf/tests/topology.c
+++ b/tools/perf/tests/topology.c
@@ -112,7 +112,9 @@ static int check_cpu_topology(char *path, struct perf_cpu_map *map)
TEST_ASSERT_VAL("Session header CPU map not set", session->header.env.cpu);
for (i = 0; i < session->header.env.nr_cpus_avail; i++) {
- if (!perf_cpu_map__has(map, i))
+ struct perf_cpu cpu = { .cpu = i };
+
+ if (!perf_cpu_map__has(map, cpu))
continue;
pr_debug("CPU %d, core %d, socket %d\n", i,
session->header.env.cpu[i].core_id,
@@ -122,15 +124,15 @@ static int check_cpu_topology(char *path, struct perf_cpu_map *map)
// Test that CPU ID contains socket, die, core and CPU
for (i = 0; i < map->nr; i++) {
id = aggr_cpu_id__cpu(perf_cpu_map__cpu(map, i), NULL);
- TEST_ASSERT_VAL("Cpu map - CPU ID doesn't match", map->map[i] == id.cpu);
+ TEST_ASSERT_VAL("Cpu map - CPU ID doesn't match", map->map[i].cpu == id.cpu.cpu);
TEST_ASSERT_VAL("Cpu map - Core ID doesn't match",
- session->header.env.cpu[map->map[i]].core_id == id.core);
+ session->header.env.cpu[map->map[i].cpu].core_id == id.core);
TEST_ASSERT_VAL("Cpu map - Socket ID doesn't match",
- session->header.env.cpu[map->map[i]].socket_id == id.socket);
+ session->header.env.cpu[map->map[i].cpu].socket_id == id.socket);
TEST_ASSERT_VAL("Cpu map - Die ID doesn't match",
- session->header.env.cpu[map->map[i]].die_id == id.die);
+ session->header.env.cpu[map->map[i].cpu].die_id == id.die);
TEST_ASSERT_VAL("Cpu map - Node ID is set", id.node == -1);
TEST_ASSERT_VAL("Cpu map - Thread is set", id.thread == -1);
}
@@ -139,13 +141,13 @@ static int check_cpu_topology(char *path, struct perf_cpu_map *map)
for (i = 0; i < map->nr; i++) {
id = aggr_cpu_id__core(perf_cpu_map__cpu(map, i), NULL);
TEST_ASSERT_VAL("Core map - Core ID doesn't match",
- session->header.env.cpu[map->map[i]].core_id == id.core);
+ session->header.env.cpu[map->map[i].cpu].core_id == id.core);
TEST_ASSERT_VAL("Core map - Socket ID doesn't match",
- session->header.env.cpu[map->map[i]].socket_id == id.socket);
+ session->header.env.cpu[map->map[i].cpu].socket_id == id.socket);
TEST_ASSERT_VAL("Core map - Die ID doesn't match",
- session->header.env.cpu[map->map[i]].die_id == id.die);
+ session->header.env.cpu[map->map[i].cpu].die_id == id.die);
TEST_ASSERT_VAL("Core map - Node ID is set", id.node == -1);
TEST_ASSERT_VAL("Core map - Thread is set", id.thread == -1);
}
@@ -154,14 +156,14 @@ static int check_cpu_topology(char *path, struct perf_cpu_map *map)
for (i = 0; i < map->nr; i++) {
id = aggr_cpu_id__die(perf_cpu_map__cpu(map, i), NULL);
TEST_ASSERT_VAL("Die map - Socket ID doesn't match",
- session->header.env.cpu[map->map[i]].socket_id == id.socket);
+ session->header.env.cpu[map->map[i].cpu].socket_id == id.socket);
TEST_ASSERT_VAL("Die map - Die ID doesn't match",
- session->header.env.cpu[map->map[i]].die_id == id.die);
+ session->header.env.cpu[map->map[i].cpu].die_id == id.die);
TEST_ASSERT_VAL("Die map - Node ID is set", id.node == -1);
TEST_ASSERT_VAL("Die map - Core is set", id.core == -1);
- TEST_ASSERT_VAL("Die map - CPU is set", id.cpu == -1);
+ TEST_ASSERT_VAL("Die map - CPU is set", id.cpu.cpu == -1);
TEST_ASSERT_VAL("Die map - Thread is set", id.thread == -1);
}
@@ -169,12 +171,12 @@ static int check_cpu_topology(char *path, struct perf_cpu_map *map)
for (i = 0; i < map->nr; i++) {
id = aggr_cpu_id__socket(perf_cpu_map__cpu(map, i), NULL);
TEST_ASSERT_VAL("Socket map - Socket ID doesn't match",
- session->header.env.cpu[map->map[i]].socket_id == id.socket);
+ session->header.env.cpu[map->map[i].cpu].socket_id == id.socket);
TEST_ASSERT_VAL("Socket map - Node ID is set", id.node == -1);
TEST_ASSERT_VAL("Socket map - Die ID is set", id.die == -1);
TEST_ASSERT_VAL("Socket map - Core is set", id.core == -1);
- TEST_ASSERT_VAL("Socket map - CPU is set", id.cpu == -1);
+ TEST_ASSERT_VAL("Socket map - CPU is set", id.cpu.cpu == -1);
TEST_ASSERT_VAL("Socket map - Thread is set", id.thread == -1);
}
@@ -186,7 +188,7 @@ static int check_cpu_topology(char *path, struct perf_cpu_map *map)
TEST_ASSERT_VAL("Node map - Socket is set", id.socket == -1);
TEST_ASSERT_VAL("Node map - Die ID is set", id.die == -1);
TEST_ASSERT_VAL("Node map - Core is set", id.core == -1);
- TEST_ASSERT_VAL("Node map - CPU is set", id.cpu == -1);
+ TEST_ASSERT_VAL("Node map - CPU is set", id.cpu.cpu == -1);
TEST_ASSERT_VAL("Node map - Thread is set", id.thread == -1);
}
perf_session__delete(session);
diff --git a/tools/perf/util/affinity.c b/tools/perf/util/affinity.c
index 7b12bd7a3080..f1e30d566db3 100644
--- a/tools/perf/util/affinity.c
+++ b/tools/perf/util/affinity.c
@@ -11,7 +11,7 @@
static int get_cpu_set_size(void)
{
- int sz = cpu__max_cpu() + 8 - 1;
+ int sz = cpu__max_cpu().cpu + 8 - 1;
/*
* sched_getaffinity doesn't like masks smaller than the kernel.
* Hopefully that's big enough.
diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c
index c679394b898d..5632efc44738 100644
--- a/tools/perf/util/auxtrace.c
+++ b/tools/perf/util/auxtrace.c
@@ -123,7 +123,7 @@ int auxtrace_mmap__mmap(struct auxtrace_mmap *mm,
mm->prev = 0;
mm->idx = mp->idx;
mm->tid = mp->tid;
- mm->cpu = mp->cpu;
+ mm->cpu = mp->cpu.cpu;
if (!mp->len) {
mm->base = NULL;
@@ -180,7 +180,7 @@ void auxtrace_mmap_params__set_idx(struct auxtrace_mmap_params *mp,
else
mp->tid = -1;
} else {
- mp->cpu = -1;
+ mp->cpu.cpu = -1;
mp->tid = perf_thread_map__pid(evlist->core.threads, idx);
}
}
@@ -292,7 +292,7 @@ static int auxtrace_queues__queue_buffer(struct auxtrace_queues *queues,
if (!queue->set) {
queue->set = true;
queue->tid = buffer->tid;
- queue->cpu = buffer->cpu;
+ queue->cpu = buffer->cpu.cpu;
}
buffer->buffer_nr = queues->next_buffer_nr++;
@@ -339,11 +339,11 @@ static int auxtrace_queues__split_buffer(struct auxtrace_queues *queues,
return 0;
}
-static bool filter_cpu(struct perf_session *session, int cpu)
+static bool filter_cpu(struct perf_session *session, struct perf_cpu cpu)
{
unsigned long *cpu_bitmap = session->itrace_synth_opts->cpu_bitmap;
- return cpu_bitmap && cpu != -1 && !test_bit(cpu, cpu_bitmap);
+ return cpu_bitmap && cpu.cpu != -1 && !test_bit(cpu.cpu, cpu_bitmap);
}
static int auxtrace_queues__add_buffer(struct auxtrace_queues *queues,
@@ -399,7 +399,7 @@ int auxtrace_queues__add_event(struct auxtrace_queues *queues,
struct auxtrace_buffer buffer = {
.pid = -1,
.tid = event->auxtrace.tid,
- .cpu = event->auxtrace.cpu,
+ .cpu = { event->auxtrace.cpu },
.data_offset = data_offset,
.offset = event->auxtrace.offset,
.reference = event->auxtrace.reference,
diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h
index bbf0d78c6401..19910b9011f3 100644
--- a/tools/perf/util/auxtrace.h
+++ b/tools/perf/util/auxtrace.h
@@ -15,6 +15,7 @@
#include <linux/list.h>
#include <linux/perf_event.h>
#include <linux/types.h>
+#include <internal/cpumap.h>
#include <asm/bitsperlong.h>
#include <asm/barrier.h>
@@ -240,7 +241,7 @@ struct auxtrace_buffer {
size_t size;
pid_t pid;
pid_t tid;
- int cpu;
+ struct perf_cpu cpu;
void *data;
off_t data_offset;
void *mmap_addr;
@@ -350,7 +351,7 @@ struct auxtrace_mmap_params {
int prot;
int idx;
pid_t tid;
- int cpu;
+ struct perf_cpu cpu;
};
/**
diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
index 48ce583af0ec..12b2243222b0 100644
--- a/tools/perf/util/cpumap.c
+++ b/tools/perf/util/cpumap.c
@@ -13,8 +13,8 @@
#include <linux/ctype.h>
#include <linux/zalloc.h>
-static int max_cpu_num;
-static int max_present_cpu_num;
+static struct perf_cpu max_cpu_num;
+static struct perf_cpu max_present_cpu_num;
static int max_node_num;
/**
* The numa node X as read from /sys/devices/system/node/nodeX indexed by the
@@ -37,9 +37,9 @@ static struct perf_cpu_map *cpu_map__from_entries(struct cpu_map_entries *cpus)
* otherwise it would become 65535.
*/
if (cpus->cpu[i] == (u16) -1)
- map->map[i] = -1;
+ map->map[i].cpu = -1;
else
- map->map[i] = (int) cpus->cpu[i];
+ map->map[i].cpu = (int) cpus->cpu[i];
}
}
@@ -58,7 +58,7 @@ static struct perf_cpu_map *cpu_map__from_mask(struct perf_record_record_cpu_map
int cpu, i = 0;
for_each_set_bit(cpu, mask->mask, nbits)
- map->map[i++] = cpu;
+ map->map[i++].cpu = cpu;
}
return map;
@@ -91,7 +91,7 @@ struct perf_cpu_map *perf_cpu_map__empty_new(int nr)
cpus->nr = nr;
for (i = 0; i < nr; i++)
- cpus->map[i] = -1;
+ cpus->map[i].cpu = -1;
refcount_set(&cpus->refcnt, 1);
}
@@ -126,13 +126,13 @@ static int cpu__get_topology_int(int cpu, const char *name, int *value)
return sysfs__read_int(path, value);
}
-int cpu__get_socket_id(int cpu)
+int cpu__get_socket_id(struct perf_cpu cpu)
{
- int value, ret = cpu__get_topology_int(cpu, "physical_package_id", &value);
+ int value, ret = cpu__get_topology_int(cpu.cpu, "physical_package_id", &value);
return ret ?: value;
}
-struct aggr_cpu_id aggr_cpu_id__socket(int cpu, void *data __maybe_unused)
+struct aggr_cpu_id aggr_cpu_id__socket(struct perf_cpu cpu, void *data __maybe_unused)
{
struct aggr_cpu_id id = aggr_cpu_id__empty();
@@ -161,7 +161,8 @@ struct cpu_aggr_map *cpu_aggr_map__new(const struct perf_cpu_map *cpus,
aggr_cpu_id_get_t get_id,
void *data)
{
- int cpu, idx;
+ int idx;
+ struct perf_cpu cpu;
struct cpu_aggr_map *c = cpu_aggr_map__empty_new(cpus->nr);
if (!c)
@@ -201,14 +202,14 @@ struct cpu_aggr_map *cpu_aggr_map__new(const struct perf_cpu_map *cpus,
}
-int cpu__get_die_id(int cpu)
+int cpu__get_die_id(struct perf_cpu cpu)
{
- int value, ret = cpu__get_topology_int(cpu, "die_id", &value);
+ int value, ret = cpu__get_topology_int(cpu.cpu, "die_id", &value);
return ret ?: value;
}
-struct aggr_cpu_id aggr_cpu_id__die(int cpu, void *data)
+struct aggr_cpu_id aggr_cpu_id__die(struct perf_cpu cpu, void *data)
{
struct aggr_cpu_id id;
int die;
@@ -231,13 +232,13 @@ struct aggr_cpu_id aggr_cpu_id__die(int cpu, void *data)
return id;
}
-int cpu__get_core_id(int cpu)
+int cpu__get_core_id(struct perf_cpu cpu)
{
- int value, ret = cpu__get_topology_int(cpu, "core_id", &value);
+ int value, ret = cpu__get_topology_int(cpu.cpu, "core_id", &value);
return ret ?: value;
}
-struct aggr_cpu_id aggr_cpu_id__core(int cpu, void *data)
+struct aggr_cpu_id aggr_cpu_id__core(struct perf_cpu cpu, void *data)
{
struct aggr_cpu_id id;
int core = cpu__get_core_id(cpu);
@@ -256,7 +257,7 @@ struct aggr_cpu_id aggr_cpu_id__core(int cpu, void *data)
}
-struct aggr_cpu_id aggr_cpu_id__cpu(int cpu, void *data)
+struct aggr_cpu_id aggr_cpu_id__cpu(struct perf_cpu cpu, void *data)
{
struct aggr_cpu_id id;
@@ -270,7 +271,7 @@ struct aggr_cpu_id aggr_cpu_id__cpu(int cpu, void *data)
}
-struct aggr_cpu_id aggr_cpu_id__node(int cpu, void *data __maybe_unused)
+struct aggr_cpu_id aggr_cpu_id__node(struct perf_cpu cpu, void *data __maybe_unused)
{
struct aggr_cpu_id id = aggr_cpu_id__empty();
@@ -318,8 +319,8 @@ static void set_max_cpu_num(void)
int ret = -1;
/* set up default */
- max_cpu_num = 4096;
- max_present_cpu_num = 4096;
+ max_cpu_num.cpu = 4096;
+ max_present_cpu_num.cpu = 4096;
mnt = sysfs__mountpoint();
if (!mnt)
@@ -332,7 +333,7 @@ static void set_max_cpu_num(void)
goto out;
}
- ret = get_max_num(path, &max_cpu_num);
+ ret = get_max_num(path, &max_cpu_num.cpu);
if (ret)
goto out;
@@ -343,11 +344,11 @@ static void set_max_cpu_num(void)
goto out;
}
- ret = get_max_num(path, &max_present_cpu_num);
+ ret = get_max_num(path, &max_present_cpu_num.cpu);
out:
if (ret)
- pr_err("Failed to read max cpus, using default of %d\n", max_cpu_num);
+ pr_err("Failed to read max cpus, using default of %d\n", max_cpu_num.cpu);
}
/* Determine highest possible node in the system for sparse allocation */
@@ -386,31 +387,31 @@ int cpu__max_node(void)
return max_node_num;
}
-int cpu__max_cpu(void)
+struct perf_cpu cpu__max_cpu(void)
{
- if (unlikely(!max_cpu_num))
+ if (unlikely(!max_cpu_num.cpu))
set_max_cpu_num();
return max_cpu_num;
}
-int cpu__max_present_cpu(void)
+struct perf_cpu cpu__max_present_cpu(void)
{
- if (unlikely(!max_present_cpu_num))
+ if (unlikely(!max_present_cpu_num.cpu))
set_max_cpu_num();
return max_present_cpu_num;
}
-int cpu__get_node(int cpu)
+int cpu__get_node(struct perf_cpu cpu)
{
if (unlikely(cpunode_map == NULL)) {
pr_debug("cpu_map not initialized\n");
return -1;
}
- return cpunode_map[cpu];
+ return cpunode_map[cpu.cpu];
}
static int init_cpunode_map(void)
@@ -420,13 +421,13 @@ static int init_cpunode_map(void)
set_max_cpu_num();
set_max_node_num();
- cpunode_map = calloc(max_cpu_num, sizeof(int));
+ cpunode_map = calloc(max_cpu_num.cpu, sizeof(int));
if (!cpunode_map) {
pr_err("%s: calloc failed\n", __func__);
return -1;
}
- for (i = 0; i < max_cpu_num; i++)
+ for (i = 0; i < max_cpu_num.cpu; i++)
cpunode_map[i] = -1;
return 0;
@@ -487,35 +488,37 @@ int cpu__setup_cpunode_map(void)
size_t cpu_map__snprint(struct perf_cpu_map *map, char *buf, size_t size)
{
- int i, cpu, start = -1;
+ int i, start = -1;
bool first = true;
size_t ret = 0;
#define COMMA first ? "" : ","
for (i = 0; i < map->nr + 1; i++) {
+ struct perf_cpu cpu = { .cpu = INT_MAX };
bool last = i == map->nr;
- cpu = last ? INT_MAX : map->map[i];
+ if (!last)
+ cpu = map->map[i];
if (start == -1) {
start = i;
if (last) {
ret += snprintf(buf + ret, size - ret,
"%s%d", COMMA,
- map->map[i]);
+ map->map[i].cpu);
}
- } else if (((i - start) != (cpu - map->map[start])) || last) {
+ } else if (((i - start) != (cpu.cpu - map->map[start].cpu)) || last) {
int end = i - 1;
if (start == end) {
ret += snprintf(buf + ret, size - ret,
"%s%d", COMMA,
- map->map[start]);
+ map->map[start].cpu);
} else {
ret += snprintf(buf + ret, size - ret,
"%s%d-%d", COMMA,
- map->map[start], map->map[end]);
+ map->map[start].cpu, map->map[end].cpu);
}
first = false;
start = i;
@@ -542,23 +545,23 @@ size_t cpu_map__snprint_mask(struct perf_cpu_map *map, char *buf, size_t size)
int i, cpu;
char *ptr = buf;
unsigned char *bitmap;
- int last_cpu = perf_cpu_map__cpu(map, map->nr - 1);
+ struct perf_cpu last_cpu = perf_cpu_map__cpu(map, map->nr - 1);
if (buf == NULL)
return 0;
- bitmap = zalloc(last_cpu / 8 + 1);
+ bitmap = zalloc(last_cpu.cpu / 8 + 1);
if (bitmap == NULL) {
buf[0] = '\0';
return 0;
}
for (i = 0; i < map->nr; i++) {
- cpu = perf_cpu_map__cpu(map, i);
+ cpu = perf_cpu_map__cpu(map, i).cpu;
bitmap[cpu / 8] |= 1 << (cpu % 8);
}
- for (cpu = last_cpu / 4 * 4; cpu >= 0; cpu -= 4) {
+ for (cpu = last_cpu.cpu / 4 * 4; cpu >= 0; cpu -= 4) {
unsigned char bits = bitmap[cpu / 8];
if (cpu % 8)
@@ -594,7 +597,7 @@ bool aggr_cpu_id__equal(const struct aggr_cpu_id *a, const struct aggr_cpu_id *b
a->socket == b->socket &&
a->die == b->die &&
a->core == b->core &&
- a->cpu == b->cpu;
+ a->cpu.cpu == b->cpu.cpu;
}
bool aggr_cpu_id__is_empty(const struct aggr_cpu_id *a)
@@ -604,7 +607,7 @@ bool aggr_cpu_id__is_empty(const struct aggr_cpu_id *a)
a->socket == -1 &&
a->die == -1 &&
a->core == -1 &&
- a->cpu == -1;
+ a->cpu.cpu == -1;
}
struct aggr_cpu_id aggr_cpu_id__empty(void)
@@ -615,7 +618,7 @@ struct aggr_cpu_id aggr_cpu_id__empty(void)
.socket = -1,
.die = -1,
.core = -1,
- .cpu = -1
+ .cpu = (struct perf_cpu){ .cpu = -1 },
};
return ret;
}
diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h
index b98cd1739677..afc15027d678 100644
--- a/tools/perf/util/cpumap.h
+++ b/tools/perf/util/cpumap.h
@@ -23,7 +23,7 @@ struct aggr_cpu_id {
/** The core id as read from /sys/devices/system/cpu/cpuX/topology/core_id. */
int core;
/** CPU aggregation, note there is one CPU for each SMT thread. */
- int cpu;
+ struct perf_cpu cpu;
};
/** A collection of aggr_cpu_id values, the "built" version is sorted and uniqued. */
@@ -48,28 +48,28 @@ const struct perf_cpu_map *cpu_map__online(void); /* thread unsafe */
int cpu__setup_cpunode_map(void);
int cpu__max_node(void);
-int cpu__max_cpu(void);
-int cpu__max_present_cpu(void);
+struct perf_cpu cpu__max_cpu(void);
+struct perf_cpu cpu__max_present_cpu(void);
/**
* cpu__get_node - Returns the numa node X as read from
* /sys/devices/system/node/nodeX for the given CPU.
*/
-int cpu__get_node(int cpu);
+int cpu__get_node(struct perf_cpu cpu);
/**
* cpu__get_socket_id - Returns the socket number as read from
* /sys/devices/system/cpu/cpuX/topology/physical_package_id for the given CPU.
*/
-int cpu__get_socket_id(int cpu);
+int cpu__get_socket_id(struct perf_cpu cpu);
/**
* cpu__get_die_id - Returns the die id as read from
* /sys/devices/system/cpu/cpuX/topology/die_id for the given CPU.
*/
-int cpu__get_die_id(int cpu);
+int cpu__get_die_id(struct perf_cpu cpu);
/**
* cpu__get_core_id - Returns the core id as read from
* /sys/devices/system/cpu/cpuX/topology/core_id for the given CPU.
*/
-int cpu__get_core_id(int cpu);
+int cpu__get_core_id(struct perf_cpu cpu);
/**
* cpu_aggr_map__empty_new - Create a cpu_aggr_map of size nr with every entry
@@ -77,7 +77,7 @@ int cpu__get_core_id(int cpu);
*/
struct cpu_aggr_map *cpu_aggr_map__empty_new(int nr);
-typedef struct aggr_cpu_id (*aggr_cpu_id_get_t)(int cpu, void *data);
+typedef struct aggr_cpu_id (*aggr_cpu_id_get_t)(struct perf_cpu cpu, void *data);
/**
* cpu_aggr_map__new - Create a cpu_aggr_map with an aggr_cpu_id for each cpu in
@@ -98,29 +98,29 @@ struct aggr_cpu_id aggr_cpu_id__empty(void);
* the socket for cpu. The function signature is compatible with
* aggr_cpu_id_get_t.
*/
-struct aggr_cpu_id aggr_cpu_id__socket(int cpu, void *data);
+struct aggr_cpu_id aggr_cpu_id__socket(struct perf_cpu cpu, void *data);
/**
* aggr_cpu_id__die - Create an aggr_cpu_id with the die and socket populated
* with the die and socket for cpu. The function signature is compatible with
* aggr_cpu_id_get_t.
*/
-struct aggr_cpu_id aggr_cpu_id__die(int cpu, void *data);
+struct aggr_cpu_id aggr_cpu_id__die(struct perf_cpu cpu, void *data);
/**
* aggr_cpu_id__core - Create an aggr_cpu_id with the core, die and socket
* populated with the core, die and socket for cpu. The function signature is
* compatible with aggr_cpu_id_get_t.
*/
-struct aggr_cpu_id aggr_cpu_id__core(int cpu, void *data);
+struct aggr_cpu_id aggr_cpu_id__core(struct perf_cpu cpu, void *data);
/**
* aggr_cpu_id__core - Create an aggr_cpu_id with the cpu, core, die and socket
* populated with the cpu, core, die and socket for cpu. The function signature
* is compatible with aggr_cpu_id_get_t.
*/
-struct aggr_cpu_id aggr_cpu_id__cpu(int cpu, void *data);
+struct aggr_cpu_id aggr_cpu_id__cpu(struct perf_cpu cpu, void *data);
/**
* aggr_cpu_id__node - Create an aggr_cpu_id with the numa node populated for
* cpu. The function signature is compatible with aggr_cpu_id_get_t.
*/
-struct aggr_cpu_id aggr_cpu_id__node(int cpu, void *data);
+struct aggr_cpu_id aggr_cpu_id__node(struct perf_cpu cpu, void *data);
#endif /* __PERF_CPUMAP_H */
diff --git a/tools/perf/util/cputopo.c b/tools/perf/util/cputopo.c
index 8affb37d90e7..84ca106a3246 100644
--- a/tools/perf/util/cputopo.c
+++ b/tools/perf/util/cputopo.c
@@ -187,7 +187,7 @@ struct cpu_topology *cpu_topology__new(void)
struct perf_cpu_map *map;
bool has_die = has_die_topology();
- ncpus = cpu__max_present_cpu();
+ ncpus = cpu__max_present_cpu().cpu;
/* build online CPU map */
map = perf_cpu_map__new(NULL);
@@ -218,7 +218,7 @@ struct cpu_topology *cpu_topology__new(void)
tp->core_cpus_list = addr;
for (i = 0; i < nr; i++) {
- if (!perf_cpu_map__has(map, i))
+ if (!perf_cpu_map__has(map, (struct perf_cpu){ .cpu = i }))
continue;
ret = build_cpu_topology(tp, i);
@@ -333,7 +333,7 @@ struct numa_topology *numa_topology__new(void)
tp->nr = nr;
for (i = 0; i < nr; i++) {
- if (load_numa_node(&tp->nodes[i], node_map->map[i])) {
+ if (load_numa_node(&tp->nodes[i], node_map->map[i].cpu)) {
numa_topology__delete(tp);
tp = NULL;
break;
diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c
index fd12c0dcaefb..579e44c59914 100644
--- a/tools/perf/util/env.c
+++ b/tools/perf/util/env.c
@@ -285,13 +285,13 @@ int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[])
int perf_env__read_cpu_topology_map(struct perf_env *env)
{
- int cpu, nr_cpus;
+ int idx, nr_cpus;
if (env->cpu != NULL)
return 0;
if (env->nr_cpus_avail == 0)
- env->nr_cpus_avail = cpu__max_present_cpu();
+ env->nr_cpus_avail = cpu__max_present_cpu().cpu;
nr_cpus = env->nr_cpus_avail;
if (nr_cpus == -1)
@@ -301,10 +301,12 @@ int perf_env__read_cpu_topology_map(struct perf_env *env)
if (env->cpu == NULL)
return -ENOMEM;
- for (cpu = 0; cpu < nr_cpus; ++cpu) {
- env->cpu[cpu].core_id = cpu__get_core_id(cpu);
- env->cpu[cpu].socket_id = cpu__get_socket_id(cpu);
- env->cpu[cpu].die_id = cpu__get_die_id(cpu);
+ for (idx = 0; idx < nr_cpus; ++idx) {
+ struct perf_cpu cpu = { .cpu = idx };
+
+ env->cpu[idx].core_id = cpu__get_core_id(cpu);
+ env->cpu[idx].socket_id = cpu__get_socket_id(cpu);
+ env->cpu[idx].die_id = cpu__get_die_id(cpu);
}
env->nr_cpus_avail = nr_cpus;
@@ -381,7 +383,7 @@ static int perf_env__read_arch(struct perf_env *env)
static int perf_env__read_nr_cpus_avail(struct perf_env *env)
{
if (env->nr_cpus_avail == 0)
- env->nr_cpus_avail = cpu__max_present_cpu();
+ env->nr_cpus_avail = cpu__max_present_cpu().cpu;
return env->nr_cpus_avail ? 0 : -ENOENT;
}
@@ -487,7 +489,7 @@ const char *perf_env__pmu_mappings(struct perf_env *env)
return env->pmu_mappings;
}
-int perf_env__numa_node(struct perf_env *env, int cpu)
+int perf_env__numa_node(struct perf_env *env, struct perf_cpu cpu)
{
if (!env->nr_numa_map) {
struct numa_node *nn;
@@ -495,7 +497,7 @@ int perf_env__numa_node(struct perf_env *env, int cpu)
for (i = 0; i < env->nr_numa_nodes; i++) {
nn = &env->numa_nodes[i];
- nr = max(nr, perf_cpu_map__max(nn->map));
+ nr = max(nr, perf_cpu_map__max(nn->map).cpu);
}
nr++;
@@ -514,13 +516,14 @@ int perf_env__numa_node(struct perf_env *env, int cpu)
env->nr_numa_map = nr;
for (i = 0; i < env->nr_numa_nodes; i++) {
- int tmp, j;
+ struct perf_cpu tmp;
+ int j;
nn = &env->numa_nodes[i];
- perf_cpu_map__for_each_cpu(j, tmp, nn->map)
- env->numa_map[j] = i;
+ perf_cpu_map__for_each_cpu(tmp, j, nn->map)
+ env->numa_map[tmp.cpu] = i;
}
}
- return cpu >= 0 && cpu < env->nr_numa_map ? env->numa_map[cpu] : -1;
+ return cpu.cpu >= 0 && cpu.cpu < env->nr_numa_map ? env->numa_map[cpu.cpu] : -1;
}
diff --git a/tools/perf/util/env.h b/tools/perf/util/env.h
index 163e5ec503a2..a3541f98e1fc 100644
--- a/tools/perf/util/env.h
+++ b/tools/perf/util/env.h
@@ -4,6 +4,7 @@
#include <linux/types.h>
#include <linux/rbtree.h>
+#include "cpumap.h"
#include "rwsem.h"
struct perf_cpu_map;
@@ -170,5 +171,5 @@ struct bpf_prog_info_node *perf_env__find_bpf_prog_info(struct perf_env *env,
bool perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node);
struct btf_node *perf_env__find_btf(struct perf_env *env, __u32 btf_id);
-int perf_env__numa_node(struct perf_env *env, int cpu);
+int perf_env__numa_node(struct perf_env *env, struct perf_cpu cpu);
#endif /* __PERF_ENV_H */
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 39d294f6c321..11eb95b2106b 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -350,13 +350,13 @@ struct evlist_cpu_iterator evlist__cpu_begin(struct evlist *evlist, struct affin
.cpu_map_idx = 0,
.evlist_cpu_map_idx = 0,
.evlist_cpu_map_nr = perf_cpu_map__nr(evlist->core.all_cpus),
- .cpu = -1,
+ .cpu = (struct perf_cpu){ .cpu = -1},
.affinity = affinity,
};
if (itr.affinity) {
itr.cpu = perf_cpu_map__cpu(evlist->core.all_cpus, 0);
- affinity__set(itr.affinity, itr.cpu);
+ affinity__set(itr.affinity, itr.cpu.cpu);
itr.cpu_map_idx = perf_cpu_map__idx(itr.evsel->core.cpus, itr.cpu);
/*
* If this CPU isn't in the evsel's cpu map then advance through
@@ -385,7 +385,7 @@ void evlist_cpu_iterator__next(struct evlist_cpu_iterator *evlist_cpu_itr)
perf_cpu_map__cpu(evlist_cpu_itr->container->core.all_cpus,
evlist_cpu_itr->evlist_cpu_map_idx);
if (evlist_cpu_itr->affinity)
- affinity__set(evlist_cpu_itr->affinity, evlist_cpu_itr->cpu);
+ affinity__set(evlist_cpu_itr->affinity, evlist_cpu_itr->cpu.cpu);
evlist_cpu_itr->cpu_map_idx =
perf_cpu_map__idx(evlist_cpu_itr->evsel->core.cpus,
evlist_cpu_itr->cpu);
@@ -819,7 +819,7 @@ perf_evlist__mmap_cb_get(struct perf_evlist *_evlist, bool overwrite, int idx)
static int
perf_evlist__mmap_cb_mmap(struct perf_mmap *_map, struct perf_mmap_param *_mp,
- int output, int cpu)
+ int output, struct perf_cpu cpu)
{
struct mmap *map = container_of(_map, struct mmap, core);
struct mmap_params *mp = container_of(_mp, struct mmap_params, core);
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 57828ebfcb61..64cba56fbc74 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -344,7 +344,7 @@ struct evlist_cpu_iterator {
/** The number of CPU map entries in evlist->core.all_cpus. */
int evlist_cpu_map_nr;
/** The current CPU of the iterator. */
- int cpu;
+ struct perf_cpu cpu;
/** If present, used to set the affinity when switching between CPUs. */
struct affinity *affinity;
};
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 2b18b29a534f..7b806cb462bb 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -1594,7 +1594,7 @@ int __evsel__read_on_cpu(struct evsel *evsel, int cpu_map_idx, int thread, bool
static int evsel__match_other_cpu(struct evsel *evsel, struct evsel *other,
int cpu_map_idx)
{
- int cpu;
+ struct perf_cpu cpu;
cpu = perf_cpu_map__cpu(evsel->core.cpus, cpu_map_idx);
return perf_cpu_map__idx(other->core.cpus, cpu);
@@ -2020,9 +2020,9 @@ static int evsel__open_cpu(struct evsel *evsel, struct perf_cpu_map *cpus,
test_attr__ready();
pr_debug2_peo("sys_perf_event_open: pid %d cpu %d group_fd %d flags %#lx",
- pid, cpus->map[idx], group_fd, evsel->open_flags);
+ pid, cpus->map[idx].cpu, group_fd, evsel->open_flags);
- fd = sys_perf_event_open(&evsel->core.attr, pid, cpus->map[idx],
+ fd = sys_perf_event_open(&evsel->core.attr, pid, cpus->map[idx].cpu,
group_fd, evsel->open_flags);
FD(evsel, idx, thread) = fd;
diff --git a/tools/perf/util/expr.c b/tools/perf/util/expr.c
index 666b59baeb70..e808738493e2 100644
--- a/tools/perf/util/expr.c
+++ b/tools/perf/util/expr.c
@@ -410,7 +410,7 @@ double expr__get_literal(const char *literal)
return smt_on() > 0 ? 1.0 : 0.0;
if (!strcmp("#num_cpus", literal))
- return cpu__max_present_cpu();
+ return cpu__max_present_cpu().cpu;
/*
* Assume that topology strings are consistent, such as CPUs "0-1"
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index e3c1a532d059..6da12e522edc 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -472,7 +472,7 @@ static int write_nrcpus(struct feat_fd *ff,
u32 nrc, nra;
int ret;
- nrc = cpu__max_present_cpu();
+ nrc = cpu__max_present_cpu().cpu;
nr = sysconf(_SC_NPROCESSORS_ONLN);
if (nr < 0)
@@ -1163,7 +1163,7 @@ static int build_caches(struct cpu_cache_level caches[], u32 *cntp)
u32 nr, cpu;
u16 level;
- nr = cpu__max_cpu();
+ nr = cpu__max_cpu().cpu;
for (cpu = 0; cpu < nr; cpu++) {
for (level = 0; level < MAX_CACHE_LVL; level++) {
@@ -1195,7 +1195,7 @@ static int build_caches(struct cpu_cache_level caches[], u32 *cntp)
static int write_cache(struct feat_fd *ff,
struct evlist *evlist __maybe_unused)
{
- u32 max_caches = cpu__max_cpu() * MAX_CACHE_LVL;
+ u32 max_caches = cpu__max_cpu().cpu * MAX_CACHE_LVL;
struct cpu_cache_level caches[max_caches];
u32 cnt = 0, i, version = 1;
int ret;
diff --git a/tools/perf/util/mmap.c b/tools/perf/util/mmap.c
index 23ecdba9e670..12261ed8c15b 100644
--- a/tools/perf/util/mmap.c
+++ b/tools/perf/util/mmap.c
@@ -94,7 +94,7 @@ static void perf_mmap__aio_free(struct mmap *map, int idx)
}
}
-static int perf_mmap__aio_bind(struct mmap *map, int idx, int cpu, int affinity)
+static int perf_mmap__aio_bind(struct mmap *map, int idx, struct perf_cpu cpu, int affinity)
{
void *data;
size_t mmap_len;
@@ -138,7 +138,7 @@ static void perf_mmap__aio_free(struct mmap *map, int idx)
}
static int perf_mmap__aio_bind(struct mmap *map __maybe_unused, int idx __maybe_unused,
- int cpu __maybe_unused, int affinity __maybe_unused)
+ struct perf_cpu cpu __maybe_unused, int affinity __maybe_unused)
{
return 0;
}
@@ -240,7 +240,8 @@ void mmap__munmap(struct mmap *map)
static void build_node_mask(int node, struct mmap_cpu_mask *mask)
{
- int c, cpu, nr_cpus;
+ int idx, nr_cpus;
+ struct perf_cpu cpu;
const struct perf_cpu_map *cpu_map = NULL;
cpu_map = cpu_map__online();
@@ -248,16 +249,16 @@ static void build_node_mask(int node, struct mmap_cpu_mask *mask)
return;
nr_cpus = perf_cpu_map__nr(cpu_map);
- for (c = 0; c < nr_cpus; c++) {
- cpu = cpu_map->map[c]; /* map c index to online cpu index */
+ for (idx = 0; idx < nr_cpus; idx++) {
+ cpu = cpu_map->map[idx]; /* map c index to online cpu index */
if (cpu__get_node(cpu) == node)
- set_bit(cpu, mask->bits);
+ set_bit(cpu.cpu, mask->bits);
}
}
static int perf_mmap__setup_affinity_mask(struct mmap *map, struct mmap_params *mp)
{
- map->affinity_mask.nbits = cpu__max_cpu();
+ map->affinity_mask.nbits = cpu__max_cpu().cpu;
map->affinity_mask.bits = bitmap_zalloc(map->affinity_mask.nbits);
if (!map->affinity_mask.bits)
return -1;
@@ -265,12 +266,12 @@ static int perf_mmap__setup_affinity_mask(struct mmap *map, struct mmap_params *
if (mp->affinity == PERF_AFFINITY_NODE && cpu__max_node() > 1)
build_node_mask(cpu__get_node(map->core.cpu), &map->affinity_mask);
else if (mp->affinity == PERF_AFFINITY_CPU)
- set_bit(map->core.cpu, map->affinity_mask.bits);
+ set_bit(map->core.cpu.cpu, map->affinity_mask.bits);
return 0;
}
-int mmap__mmap(struct mmap *map, struct mmap_params *mp, int fd, int cpu)
+int mmap__mmap(struct mmap *map, struct mmap_params *mp, int fd, struct perf_cpu cpu)
{
if (perf_mmap__mmap(&map->core, &mp->core, fd, cpu)) {
pr_debug2("failed to mmap perf event ring buffer, error %d\n",
diff --git a/tools/perf/util/mmap.h b/tools/perf/util/mmap.h
index 8e259b9610f8..83f6bd4d4082 100644
--- a/tools/perf/util/mmap.h
+++ b/tools/perf/util/mmap.h
@@ -7,6 +7,7 @@
#include <linux/types.h>
#include <linux/ring_buffer.h>
#include <linux/bitops.h>
+#include <perf/cpumap.h>
#include <stdbool.h>
#include <pthread.h> // for cpu_set_t
#ifdef HAVE_AIO_SUPPORT
@@ -52,7 +53,7 @@ struct mmap_params {
struct auxtrace_mmap_params auxtrace_mp;
};
-int mmap__mmap(struct mmap *map, struct mmap_params *mp, int fd, int cpu);
+int mmap__mmap(struct mmap *map, struct mmap_params *mp, int fd, struct perf_cpu cpu);
void mmap__munmap(struct mmap *map);
union perf_event *perf_mmap__read_forward(struct mmap *map);
diff --git a/tools/perf/util/perf_api_probe.c b/tools/perf/util/perf_api_probe.c
index 020411682a3c..734d006d9a8c 100644
--- a/tools/perf/util/perf_api_probe.c
+++ b/tools/perf/util/perf_api_probe.c
@@ -11,7 +11,7 @@
typedef void (*setup_probe_fn_t)(struct evsel *evsel);
-static int perf_do_probe_api(setup_probe_fn_t fn, int cpu, const char *str)
+static int perf_do_probe_api(setup_probe_fn_t fn, struct perf_cpu cpu, const char *str)
{
struct evlist *evlist;
struct evsel *evsel;
@@ -29,7 +29,7 @@ static int perf_do_probe_api(setup_probe_fn_t fn, int cpu, const char *str)
evsel = evlist__first(evlist);
while (1) {
- fd = sys_perf_event_open(&evsel->core.attr, pid, cpu, -1, flags);
+ fd = sys_perf_event_open(&evsel->core.attr, pid, cpu.cpu, -1, flags);
if (fd < 0) {
if (pid == -1 && errno == EACCES) {
pid = 0;
@@ -43,7 +43,7 @@ static int perf_do_probe_api(setup_probe_fn_t fn, int cpu, const char *str)
fn(evsel);
- fd = sys_perf_event_open(&evsel->core.attr, pid, cpu, -1, flags);
+ fd = sys_perf_event_open(&evsel->core.attr, pid, cpu.cpu, -1, flags);
if (fd < 0) {
if (errno == EINVAL)
err = -EINVAL;
@@ -61,7 +61,8 @@ static bool perf_probe_api(setup_probe_fn_t fn)
{
const char *try[] = {"cycles:u", "instructions:u", "cpu-clock:u", NULL};
struct perf_cpu_map *cpus;
- int cpu, ret, i = 0;
+ struct perf_cpu cpu;
+ int ret, i = 0;
cpus = perf_cpu_map__new(NULL);
if (!cpus)
@@ -136,15 +137,17 @@ bool perf_can_record_cpu_wide(void)
.exclude_kernel = 1,
};
struct perf_cpu_map *cpus;
- int cpu, fd;
+ struct perf_cpu cpu;
+ int fd;
cpus = perf_cpu_map__new(NULL);
if (!cpus)
return false;
+
cpu = cpus->map[0];
perf_cpu_map__put(cpus);
- fd = sys_perf_event_open(&attr, -1, cpu, -1, 0);
+ fd = sys_perf_event_open(&attr, -1, cpu.cpu, -1, 0);
if (fd < 0)
return false;
close(fd);
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 7f782a31bda3..95fb53899bcd 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -1057,7 +1057,7 @@ static struct mmap *get_md(struct evlist *evlist, int cpu)
for (i = 0; i < evlist->core.nr_mmaps; i++) {
struct mmap *md = &evlist->mmap[i];
- if (md->core.cpu == cpu)
+ if (md->core.cpu.cpu == cpu)
return md;
}
@@ -1443,7 +1443,7 @@ PyMODINIT_FUNC PyInit_perf(void)
* Dummy, to avoid dragging all the test_attr infrastructure in the python
* binding.
*/
-void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu,
+void test_attr__open(struct perf_event_attr *attr, pid_t pid, struct perf_cpu cpu,
int fd, int group_fd, unsigned long flags)
{
}
diff --git a/tools/perf/util/record.c b/tools/perf/util/record.c
index bff669b615ee..20461f174991 100644
--- a/tools/perf/util/record.c
+++ b/tools/perf/util/record.c
@@ -106,7 +106,7 @@ void evlist__config(struct evlist *evlist, struct record_opts *opts, struct call
if (opts->group)
evlist__set_leader(evlist);
- if (evlist->core.cpus->map[0] < 0)
+ if (evlist->core.cpus->map[0].cpu < 0)
opts->no_inherit = true;
use_comm_exec = perf_can_comm_exec();
@@ -229,7 +229,8 @@ bool evlist__can_select_event(struct evlist *evlist, const char *str)
{
struct evlist *temp_evlist;
struct evsel *evsel;
- int err, fd, cpu;
+ int err, fd;
+ struct perf_cpu cpu = { .cpu = 0 };
bool ret = false;
pid_t pid = -1;
@@ -246,14 +247,16 @@ bool evlist__can_select_event(struct evlist *evlist, const char *str)
if (!evlist || perf_cpu_map__empty(evlist->core.cpus)) {
struct perf_cpu_map *cpus = perf_cpu_map__new(NULL);
- cpu = cpus ? cpus->map[0] : 0;
+ if (cpus)
+ cpu = cpus->map[0];
+
perf_cpu_map__put(cpus);
} else {
cpu = evlist->core.cpus->map[0];
}
while (1) {
- fd = sys_perf_event_open(&evsel->core.attr, pid, cpu, -1,
+ fd = sys_perf_event_open(&evsel->core.attr, pid, cpu.cpu, -1,
perf_event_open_cloexec_flag());
if (fd < 0) {
if (pid == -1 && errno == EACCES) {
diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index 0445bee9290f..bd95d60018a9 100644
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/tools/perf/util/scripting-engines/trace-event-python.c
@@ -1555,7 +1555,7 @@ static void get_handler_name(char *str, size_t size,
}
static void
-process_stat(struct evsel *counter, int cpu, int thread, u64 tstamp,
+process_stat(struct evsel *counter, struct perf_cpu cpu, int thread, u64 tstamp,
struct perf_counts_values *count)
{
PyObject *handler, *t;
@@ -1575,7 +1575,7 @@ process_stat(struct evsel *counter, int cpu, int thread, u64 tstamp,
return;
}
- PyTuple_SetItem(t, n++, _PyLong_FromLong(cpu));
+ PyTuple_SetItem(t, n++, _PyLong_FromLong(cpu.cpu));
PyTuple_SetItem(t, n++, _PyLong_FromLong(thread));
tuple_set_u64(t, n++, tstamp);
@@ -1599,7 +1599,7 @@ static void python_process_stat(struct perf_stat_config *config,
int cpu, thread;
if (config->aggr_mode == AGGR_GLOBAL) {
- process_stat(counter, -1, -1, tstamp,
+ process_stat(counter, (struct perf_cpu){ .cpu = -1 }, -1, tstamp,
&counter->counts->aggr);
return;
}
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index e1a273048681..f19348dddd55 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -2538,15 +2538,15 @@ int perf_session__cpu_bitmap(struct perf_session *session,
}
for (i = 0; i < map->nr; i++) {
- int cpu = map->map[i];
+ struct perf_cpu cpu = map->map[i];
- if (cpu >= nr_cpus) {
+ if (cpu.cpu >= nr_cpus) {
pr_err("Requested CPU %d too large. "
- "Consider raising MAX_NR_CPUS\n", cpu);
+ "Consider raising MAX_NR_CPUS\n", cpu.cpu);
goto out_delete_map;
}
- set_bit(cpu, cpu_bitmap);
+ set_bit(cpu.cpu, cpu_bitmap);
}
err = 0;
@@ -2598,7 +2598,7 @@ int perf_event__process_id_index(struct perf_session *session,
if (!sid)
return -ENOENT;
sid->idx = e->idx;
- sid->cpu = e->cpu;
+ sid->cpu.cpu = e->cpu;
sid->tid = e->tid;
}
return 0;
diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
index ba95379efcfb..5db83e51ceef 100644
--- a/tools/perf/util/stat-display.c
+++ b/tools/perf/util/stat-display.c
@@ -121,10 +121,10 @@ static void aggr_printout(struct perf_stat_config *config,
id.die,
config->csv_output ? 0 : -3,
id.core, config->csv_sep);
- } else if (id.cpu > -1) {
+ } else if (id.cpu.cpu > -1) {
fprintf(config->output, "CPU%*d%s",
config->csv_output ? 0 : -7,
- id.cpu, config->csv_sep);
+ id.cpu.cpu, config->csv_sep);
}
break;
case AGGR_THREAD:
@@ -331,7 +331,8 @@ static int first_shadow_cpu_map_idx(struct perf_stat_config *config,
struct evsel *evsel, const struct aggr_cpu_id *id)
{
struct perf_cpu_map *cpus = evsel__cpus(evsel);
- int cpu, idx;
+ struct perf_cpu cpu;
+ int idx;
if (config->aggr_mode == AGGR_NONE)
return perf_cpu_map__idx(cpus, id->cpu);
@@ -513,7 +514,8 @@ static void printout(struct perf_stat_config *config, struct aggr_cpu_id id, int
static void aggr_update_shadow(struct perf_stat_config *config,
struct evlist *evlist)
{
- int cpu, idx, s;
+ int idx, s;
+ struct perf_cpu cpu;
struct aggr_cpu_id s2, id;
u64 val;
struct evsel *counter;
@@ -633,7 +635,8 @@ static void aggr_cb(struct perf_stat_config *config,
struct evsel *counter, void *data, bool first)
{
struct aggr_data *ad = data;
- int idx, cpu;
+ int idx;
+ struct perf_cpu cpu;
struct perf_cpu_map *cpus;
struct aggr_cpu_id s2;
@@ -666,7 +669,7 @@ static void aggr_cb(struct perf_stat_config *config,
static void print_counter_aggrdata(struct perf_stat_config *config,
struct evsel *counter, int s,
char *prefix, bool metric_only,
- bool *first, int cpu)
+ bool *first, struct perf_cpu cpu)
{
struct aggr_data ad;
FILE *output = config->output;
@@ -696,7 +699,7 @@ static void print_counter_aggrdata(struct perf_stat_config *config,
fprintf(output, "%s", prefix);
uval = val * counter->scale;
- if (cpu != -1)
+ if (cpu.cpu != -1)
id = aggr_cpu_id__cpu(cpu, /*data=*/NULL);
printout(config, id, nr, counter, uval,
@@ -731,8 +734,8 @@ static void print_aggr(struct perf_stat_config *config,
first = true;
evlist__for_each_entry(evlist, counter) {
print_counter_aggrdata(config, counter, s,
- prefix, metric_only,
- &first, /*cpu=*/-1);
+ prefix, metric_only,
+ &first, (struct perf_cpu){ .cpu = -1 });
}
if (metric_only)
fputc('\n', output);
@@ -893,7 +896,8 @@ static void print_counter(struct perf_stat_config *config,
FILE *output = config->output;
u64 ena, run, val;
double uval;
- int idx, cpu;
+ int idx;
+ struct perf_cpu cpu;
struct aggr_cpu_id id;
perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) {
@@ -921,7 +925,8 @@ static void print_no_aggr_metric(struct perf_stat_config *config,
struct evlist *evlist,
char *prefix)
{
- int all_idx, cpu;
+ int all_idx;
+ struct perf_cpu cpu;
perf_cpu_map__for_each_cpu(cpu, all_idx, evlist->core.cpus) {
struct evsel *counter;
@@ -1211,7 +1216,8 @@ static void print_percore_thread(struct perf_stat_config *config,
struct aggr_cpu_id s2, id;
struct perf_cpu_map *cpus;
bool first = true;
- int idx, cpu;
+ int idx;
+ struct perf_cpu cpu;
cpus = evsel__cpus(counter);
perf_cpu_map__for_each_cpu(cpu, idx, cpus) {
@@ -1247,8 +1253,8 @@ static void print_percore(struct perf_stat_config *config,
fprintf(output, "%s", prefix);
print_counter_aggrdata(config, counter, s,
- prefix, metric_only,
- &first, /*cpu=*/-1);
+ prefix, metric_only,
+ &first, (struct perf_cpu){ .cpu = -1 });
}
if (metric_only)
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index 7dbd7c4f3c33..ee6f03481215 100644
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -297,7 +297,7 @@ static int check_per_pkg(struct evsel *counter, struct perf_counts_values *vals,
{
struct hashmap *mask = counter->per_pkg_mask;
struct perf_cpu_map *cpus = evsel__cpus(counter);
- int cpu = perf_cpu_map__cpu(cpus, cpu_map_idx);
+ struct perf_cpu cpu = perf_cpu_map__cpu(cpus, cpu_map_idx);
int s, d, ret = 0;
uint64_t *key;
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index 691c12fd8976..335d19cc3063 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -108,7 +108,7 @@ struct runtime_stat {
struct rblist value_list;
};
-typedef struct aggr_cpu_id (*aggr_get_id_t)(struct perf_stat_config *config, int cpu);
+typedef struct aggr_cpu_id (*aggr_get_id_t)(struct perf_stat_config *config, struct perf_cpu cpu);
struct perf_stat_config {
enum aggr_mode aggr_mode;
diff --git a/tools/perf/util/svghelper.c b/tools/perf/util/svghelper.c
index 96f941e01681..4c9f211249db 100644
--- a/tools/perf/util/svghelper.c
+++ b/tools/perf/util/svghelper.c
@@ -728,7 +728,7 @@ static int str_to_bitmap(char *s, cpumask_t *b, int nr_cpus)
int i;
int ret = 0;
struct perf_cpu_map *m;
- int c;
+ struct perf_cpu c;
m = perf_cpu_map__new(s);
if (!m)
@@ -736,12 +736,12 @@ static int str_to_bitmap(char *s, cpumask_t *b, int nr_cpus)
for (i = 0; i < m->nr; i++) {
c = m->map[i];
- if (c >= nr_cpus) {
+ if (c.cpu >= nr_cpus) {
ret = -1;
break;
}
- set_bit(c, cpumask_bits(b));
+ set_bit(c.cpu, cpumask_bits(b));
}
perf_cpu_map__put(m);
diff --git a/tools/perf/util/synthetic-events.c b/tools/perf/util/synthetic-events.c
index 198982109f0f..c9ba8050cc2b 100644
--- a/tools/perf/util/synthetic-events.c
+++ b/tools/perf/util/synthetic-events.c
@@ -1191,7 +1191,7 @@ static void synthesize_cpus(struct cpu_map_entries *cpus,
cpus->nr = map->nr;
for (i = 0; i < map->nr; i++)
- cpus->cpu[i] = map->map[i];
+ cpus->cpu[i] = map->map[i].cpu;
}
static void synthesize_mask(struct perf_record_record_cpu_map *mask,
@@ -1203,7 +1203,7 @@ static void synthesize_mask(struct perf_record_record_cpu_map *mask,
mask->long_size = sizeof(long);
for (i = 0; i < map->nr; i++)
- set_bit(map->map[i], mask->mask);
+ set_bit(map->map[i].cpu, mask->mask);
}
static size_t cpus_size(struct perf_cpu_map *map)
@@ -1219,7 +1219,7 @@ static size_t mask_size(struct perf_cpu_map *map, int *max)
for (i = 0; i < map->nr; i++) {
/* bit position of the cpu is + 1 */
- int bit = map->map[i] + 1;
+ int bit = map->map[i].cpu + 1;
if (bit > *max)
*max = bit;
@@ -1354,7 +1354,7 @@ int perf_event__synthesize_stat_config(struct perf_tool *tool,
}
int perf_event__synthesize_stat(struct perf_tool *tool,
- u32 cpu, u32 thread, u64 id,
+ struct perf_cpu cpu, u32 thread, u64 id,
struct perf_counts_values *count,
perf_event__handler_t process,
struct machine *machine)
@@ -1366,7 +1366,7 @@ int perf_event__synthesize_stat(struct perf_tool *tool,
event.header.misc = 0;
event.id = id;
- event.cpu = cpu;
+ event.cpu = cpu.cpu;
event.thread = thread;
event.val = count->val;
event.ena = count->ena;
@@ -1763,7 +1763,7 @@ int perf_event__synthesize_id_index(struct perf_tool *tool, perf_event__handler_
}
e->idx = sid->idx;
- e->cpu = sid->cpu;
+ e->cpu = sid->cpu.cpu;
e->tid = sid->tid;
}
}
diff --git a/tools/perf/util/synthetic-events.h b/tools/perf/util/synthetic-events.h
index c931433bacbf..78a0450db164 100644
--- a/tools/perf/util/synthetic-events.h
+++ b/tools/perf/util/synthetic-events.h
@@ -6,6 +6,7 @@
#include <sys/types.h> // pid_t
#include <linux/compiler.h>
#include <linux/types.h>
+#include <perf/cpumap.h>
struct auxtrace_record;
struct dso;
@@ -63,7 +64,7 @@ int perf_event__synthesize_sample(union perf_event *event, u64 type, u64 read_fo
int perf_event__synthesize_stat_config(struct perf_tool *tool, struct perf_stat_config *config, perf_event__handler_t process, struct machine *machine);
int perf_event__synthesize_stat_events(struct perf_stat_config *config, struct perf_tool *tool, struct evlist *evlist, perf_event__handler_t process, bool attrs);
int perf_event__synthesize_stat_round(struct perf_tool *tool, u64 time, u64 type, perf_event__handler_t process, struct machine *machine);
-int perf_event__synthesize_stat(struct perf_tool *tool, u32 cpu, u32 thread, u64 id, struct perf_counts_values *count, perf_event__handler_t process, struct machine *machine);
+int perf_event__synthesize_stat(struct perf_tool *tool, struct perf_cpu cpu, u32 thread, u64 id, struct perf_counts_values *count, perf_event__handler_t process, struct machine *machine);
int perf_event__synthesize_thread_map2(struct perf_tool *tool, struct perf_thread_map *threads, perf_event__handler_t process, struct machine *machine);
int perf_event__synthesize_thread_map(struct perf_tool *tool, struct perf_thread_map *threads, perf_event__handler_t process, struct machine *machine, bool needs_mmap, bool mmap_data);
int perf_event__synthesize_threads(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine, bool needs_mmap, bool mmap_data, unsigned int nr_threads_synthesize);
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 9f0d36ba77f2..9443c29afa52 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -11,6 +11,9 @@
#include <stddef.h>
#include <linux/compiler.h>
#include <sys/types.h>
+#ifndef __cplusplus
+#include <internal/cpumap.h>
+#endif
/* General helper functions */
void usage(const char *err) __noreturn;
@@ -66,6 +69,6 @@ extern bool test_attr__enabled;
void test_attr__ready(void);
void test_attr__init(void);
struct perf_event_attr;
-void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu,
+void test_attr__open(struct perf_event_attr *attr, pid_t pid, struct perf_cpu cpu,
int fd, int group_fd, unsigned long flags);
#endif /* GIT_COMPAT_UTIL_H */
--
2.34.1.448.ga2b2bfdf31-goog
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