Commit 2760f5a1 authored by James Clark's avatar James Clark Committed by Arnaldo Carvalho de Melo

perf stat: Replace aggregation ID with a struct

Replace all occurences of the usage of int with the new struct
cpu_aggr_id.

No functional changes.
Signed-off-by: default avatarJames Clark <james.clark@arm.com>
Acked-by: default avatarNamhyung Kim <namhyung@kernel.org>
Acked-by: default avatarJiri Olsa <jolsa@redhat.com>
Tested-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
Tested-by: default avatarJohn Garry <john.garry@huawei.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Link: https://lore.kernel.org/r/20201126141328.6509-5-james.clark@arm.comSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent fa265e59
......@@ -1186,65 +1186,67 @@ static struct option stat_options[] = {
OPT_END()
};
static int perf_stat__get_socket(struct perf_stat_config *config __maybe_unused,
static struct aggr_cpu_id perf_stat__get_socket(struct perf_stat_config *config __maybe_unused,
struct perf_cpu_map *map, int cpu)
{
return cpu_map__get_socket(map, cpu, NULL);
}
static int perf_stat__get_die(struct perf_stat_config *config __maybe_unused,
static struct aggr_cpu_id perf_stat__get_die(struct perf_stat_config *config __maybe_unused,
struct perf_cpu_map *map, int cpu)
{
return cpu_map__get_die(map, cpu, NULL);
}
static int perf_stat__get_core(struct perf_stat_config *config __maybe_unused,
static struct aggr_cpu_id perf_stat__get_core(struct perf_stat_config *config __maybe_unused,
struct perf_cpu_map *map, int cpu)
{
return cpu_map__get_core(map, cpu, NULL);
}
static int perf_stat__get_node(struct perf_stat_config *config __maybe_unused,
static struct aggr_cpu_id perf_stat__get_node(struct perf_stat_config *config __maybe_unused,
struct perf_cpu_map *map, int cpu)
{
return cpu_map__get_node(map, cpu, NULL);
}
static int perf_stat__get_aggr(struct perf_stat_config *config,
static struct aggr_cpu_id perf_stat__get_aggr(struct perf_stat_config *config,
aggr_get_id_t get_id, struct perf_cpu_map *map, int idx)
{
int cpu;
struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id();
if (idx >= map->nr)
return -1;
return id;
cpu = map->map[idx];
if (config->cpus_aggr_map->map[cpu] == -1)
config->cpus_aggr_map->map[cpu] = get_id(config, map, idx);
config->cpus_aggr_map->map[cpu] = get_id(config, map, idx).id;
return config->cpus_aggr_map->map[cpu];
id.id = config->cpus_aggr_map->map[cpu];
return id;
}
static int perf_stat__get_socket_cached(struct perf_stat_config *config,
static struct aggr_cpu_id perf_stat__get_socket_cached(struct perf_stat_config *config,
struct perf_cpu_map *map, int idx)
{
return perf_stat__get_aggr(config, perf_stat__get_socket, map, idx);
}
static int perf_stat__get_die_cached(struct perf_stat_config *config,
static struct aggr_cpu_id perf_stat__get_die_cached(struct perf_stat_config *config,
struct perf_cpu_map *map, int idx)
{
return perf_stat__get_aggr(config, perf_stat__get_die, map, idx);
}
static int perf_stat__get_core_cached(struct perf_stat_config *config,
static struct aggr_cpu_id perf_stat__get_core_cached(struct perf_stat_config *config,
struct perf_cpu_map *map, int idx)
{
return perf_stat__get_aggr(config, perf_stat__get_core, map, idx);
}
static int perf_stat__get_node_cached(struct perf_stat_config *config,
static struct aggr_cpu_id perf_stat__get_node_cached(struct perf_stat_config *config,
struct perf_cpu_map *map, int idx)
{
return perf_stat__get_aggr(config, perf_stat__get_node, map, idx);
......@@ -1345,18 +1347,23 @@ static inline int perf_env__get_cpu(struct perf_env *env, struct perf_cpu_map *m
return cpu;
}
static int perf_env__get_socket(struct perf_cpu_map *map, int idx, void *data)
static struct aggr_cpu_id perf_env__get_socket(struct perf_cpu_map *map, int idx, void *data)
{
struct perf_env *env = data;
int cpu = perf_env__get_cpu(env, map, idx);
struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id();
if (cpu != -1)
id.id = env->cpu[cpu].socket_id;
return cpu == -1 ? -1 : env->cpu[cpu].socket_id;
return id;
}
static int perf_env__get_die(struct perf_cpu_map *map, int idx, void *data)
static struct aggr_cpu_id perf_env__get_die(struct perf_cpu_map *map, int idx, void *data)
{
struct perf_env *env = data;
int die_id = -1, cpu = perf_env__get_cpu(env, map, idx);
struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id();
int cpu = perf_env__get_cpu(env, map, idx);
if (cpu != -1) {
/*
......@@ -1366,21 +1373,22 @@ static int perf_env__get_die(struct perf_cpu_map *map, int idx, void *data)
* socket + die id
*/
if (WARN_ONCE(env->cpu[cpu].socket_id >> 8, "The socket id number is too big.\n"))
return -1;
return cpu_map__empty_aggr_cpu_id();
if (WARN_ONCE(env->cpu[cpu].die_id >> 8, "The die id number is too big.\n"))
return -1;
return cpu_map__empty_aggr_cpu_id();
die_id = (env->cpu[cpu].socket_id << 8) | (env->cpu[cpu].die_id & 0xff);
id.id = (env->cpu[cpu].socket_id << 8) | (env->cpu[cpu].die_id & 0xff);
}
return die_id;
return id;
}
static int perf_env__get_core(struct perf_cpu_map *map, int idx, void *data)
static struct aggr_cpu_id perf_env__get_core(struct perf_cpu_map *map, int idx, void *data)
{
struct perf_env *env = data;
int core = -1, cpu = perf_env__get_cpu(env, map, idx);
struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id();
int cpu = perf_env__get_cpu(env, map, idx);
if (cpu != -1) {
/*
......@@ -1391,27 +1399,29 @@ static int perf_env__get_core(struct perf_cpu_map *map, int idx, void *data)
* socket + die id + core id
*/
if (WARN_ONCE(env->cpu[cpu].socket_id >> 8, "The socket id number is too big.\n"))
return -1;
return cpu_map__empty_aggr_cpu_id();
if (WARN_ONCE(env->cpu[cpu].die_id >> 8, "The die id number is too big.\n"))
return -1;
return cpu_map__empty_aggr_cpu_id();
if (WARN_ONCE(env->cpu[cpu].core_id >> 16, "The core id number is too big.\n"))
return -1;
return cpu_map__empty_aggr_cpu_id();
core = (env->cpu[cpu].socket_id << 24) |
id.id = (env->cpu[cpu].socket_id << 24) |
(env->cpu[cpu].die_id << 16) |
(env->cpu[cpu].core_id & 0xffff);
}
return core;
return id;
}
static int perf_env__get_node(struct perf_cpu_map *map, int idx, void *data)
static struct aggr_cpu_id perf_env__get_node(struct perf_cpu_map *map, int idx, void *data)
{
int cpu = perf_env__get_cpu(data, map, idx);
struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id();
return perf_env__numa_node(data, cpu);
id.id = perf_env__numa_node(data, cpu);
return id;
}
static int perf_env__build_socket_map(struct perf_env *env, struct perf_cpu_map *cpus,
......@@ -1438,24 +1448,24 @@ static int perf_env__build_node_map(struct perf_env *env, struct perf_cpu_map *c
return cpu_map__build_map(cpus, nodep, perf_env__get_node, env);
}
static int perf_stat__get_socket_file(struct perf_stat_config *config __maybe_unused,
static struct aggr_cpu_id perf_stat__get_socket_file(struct perf_stat_config *config __maybe_unused,
struct perf_cpu_map *map, int idx)
{
return perf_env__get_socket(map, idx, &perf_stat.session->header.env);
}
static int perf_stat__get_die_file(struct perf_stat_config *config __maybe_unused,
static struct aggr_cpu_id perf_stat__get_die_file(struct perf_stat_config *config __maybe_unused,
struct perf_cpu_map *map, int idx)
{
return perf_env__get_die(map, idx, &perf_stat.session->header.env);
}
static int perf_stat__get_core_file(struct perf_stat_config *config __maybe_unused,
static struct aggr_cpu_id perf_stat__get_core_file(struct perf_stat_config *config __maybe_unused,
struct perf_cpu_map *map, int idx)
{
return perf_env__get_core(map, idx, &perf_stat.session->header.env);
}
static int perf_stat__get_node_file(struct perf_stat_config *config __maybe_unused,
static struct aggr_cpu_id perf_stat__get_node_file(struct perf_stat_config *config __maybe_unused,
struct perf_cpu_map *map, int idx)
{
return perf_env__get_node(map, idx, &perf_stat.session->header.env);
......
......@@ -64,7 +64,8 @@ static int check_cpu_topology(char *path, struct perf_cpu_map *map)
.path = path,
.mode = PERF_DATA_MODE_READ,
};
int i, id;
int i;
struct aggr_cpu_id id;
session = perf_session__new(&data, false, NULL);
TEST_ASSERT_VAL("can't get session", !IS_ERR(session));
......@@ -110,14 +111,14 @@ static int check_cpu_topology(char *path, struct perf_cpu_map *map)
for (i = 0; i < map->nr; i++) {
id = cpu_map__get_core(map, i, NULL);
TEST_ASSERT_VAL("Core map - Core ID doesn't match",
session->header.env.cpu[map->map[i]].core_id == cpu_map__id_to_cpu(id));
session->header.env.cpu[map->map[i]].core_id == cpu_map__id_to_cpu(id.id));
TEST_ASSERT_VAL("Core map - Socket ID doesn't match",
session->header.env.cpu[map->map[i]].socket_id ==
cpu_map__id_to_socket(id));
cpu_map__id_to_socket(id.id));
TEST_ASSERT_VAL("Core map - Die ID doesn't match",
session->header.env.cpu[map->map[i]].die_id == cpu_map__id_to_die(id));
session->header.env.cpu[map->map[i]].die_id == cpu_map__id_to_die(id.id));
}
// Test that die ID contains socket and die
......@@ -125,25 +126,25 @@ static int check_cpu_topology(char *path, struct perf_cpu_map *map)
id = cpu_map__get_die(map, i, NULL);
TEST_ASSERT_VAL("Die map - Socket ID doesn't match",
session->header.env.cpu[map->map[i]].socket_id ==
cpu_map__id_to_socket(id << 16));
cpu_map__id_to_socket(id.id << 16));
TEST_ASSERT_VAL("Die map - Die ID doesn't match",
session->header.env.cpu[map->map[i]].die_id ==
cpu_map__id_to_die(id << 16));
cpu_map__id_to_die(id.id << 16));
}
// Test that socket ID contains only socket
for (i = 0; i < map->nr; i++) {
id = cpu_map__get_socket(map, i, NULL);
TEST_ASSERT_VAL("Socket map - Socket ID doesn't match",
session->header.env.cpu[map->map[i]].socket_id == id);
session->header.env.cpu[map->map[i]].socket_id == id.id);
}
// Test that node ID contains only node
for (i = 0; i < map->nr; i++) {
id = cpu_map__get_node(map, i, NULL);
TEST_ASSERT_VAL("Node map - Node ID doesn't match",
cpu__get_node(map->map[i]) == id);
cpu__get_node(map->map[i]) == id.id);
}
perf_session__delete(session);
......
......@@ -111,30 +111,37 @@ int cpu_map__get_socket_id(int cpu)
return ret ?: value;
}
int cpu_map__get_socket(struct perf_cpu_map *map, int idx, void *data __maybe_unused)
struct aggr_cpu_id cpu_map__get_socket(struct perf_cpu_map *map, int idx,
void *data __maybe_unused)
{
int cpu;
struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id();
if (idx > map->nr)
return -1;
return id;
cpu = map->map[idx];
return cpu_map__get_socket_id(cpu);
id.id = cpu_map__get_socket_id(cpu);
return id;
}
static int cmp_ids(const void *a, const void *b)
static int cmp_aggr_cpu_id(const void *a_pointer, const void *b_pointer)
{
return *(int *)a - *(int *)b;
struct aggr_cpu_id *a = (struct aggr_cpu_id *)a_pointer;
struct aggr_cpu_id *b = (struct aggr_cpu_id *)b_pointer;
return a->id - b->id;
}
int cpu_map__build_map(struct perf_cpu_map *cpus, struct perf_cpu_map **res,
int (*f)(struct perf_cpu_map *map, int cpu, void *data),
struct aggr_cpu_id (*f)(struct perf_cpu_map *map, int cpu, void *data),
void *data)
{
int nr = cpus->nr;
struct perf_cpu_map *c = perf_cpu_map__empty_new(nr);
int cpu, s1, s2;
int cpu, s2;
struct aggr_cpu_id s1;
if (!c)
return -1;
......@@ -145,16 +152,16 @@ int cpu_map__build_map(struct perf_cpu_map *cpus, struct perf_cpu_map **res,
for (cpu = 0; cpu < nr; cpu++) {
s1 = f(cpus, cpu, data);
for (s2 = 0; s2 < c->nr; s2++) {
if (s1 == c->map[s2])
if (s1.id == c->map[s2])
break;
}
if (s2 == c->nr) {
c->map[c->nr] = s1;
c->map[c->nr] = s1.id;
c->nr++;
}
}
/* ensure we process id in increasing order */
qsort(c->map, c->nr, sizeof(int), cmp_ids);
qsort(c->map, c->nr, sizeof(struct aggr_cpu_id), cmp_aggr_cpu_id);
*res = c;
return 0;
......@@ -167,23 +174,24 @@ int cpu_map__get_die_id(int cpu)
return ret ?: value;
}
int cpu_map__get_die(struct perf_cpu_map *map, int idx, void *data)
struct aggr_cpu_id cpu_map__get_die(struct perf_cpu_map *map, int idx, void *data)
{
int cpu, die_id, s;
int cpu, s;
struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id();
if (idx > map->nr)
return -1;
return id;
cpu = map->map[idx];
die_id = cpu_map__get_die_id(cpu);
id.id = cpu_map__get_die_id(cpu);
/* There is no die_id on legacy system. */
if (die_id == -1)
die_id = 0;
if (id.id == -1)
id.id = 0;
s = cpu_map__get_socket(map, idx, data);
s = cpu_map__get_socket(map, idx, data).id;
if (s == -1)
return -1;
return cpu_map__empty_aggr_cpu_id();
/*
* Encode socket in bit range 15:8
......@@ -191,13 +199,14 @@ int cpu_map__get_die(struct perf_cpu_map *map, int idx, void *data)
* we need a global id. So we combine
* socket + die id
*/
if (WARN_ONCE(die_id >> 8, "The die id number is too big.\n"))
return -1;
if (WARN_ONCE(id.id >> 8, "The die id number is too big.\n"))
return cpu_map__empty_aggr_cpu_id();
if (WARN_ONCE(s >> 8, "The socket id number is too big.\n"))
return -1;
return cpu_map__empty_aggr_cpu_id();
return (s << 8) | (die_id & 0xff);
id.id = (s << 8) | (id.id & 0xff);
return id;
}
int cpu_map__get_core_id(int cpu)
......@@ -211,21 +220,22 @@ int cpu_map__get_node_id(int cpu)
return cpu__get_node(cpu);
}
int cpu_map__get_core(struct perf_cpu_map *map, int idx, void *data)
struct aggr_cpu_id cpu_map__get_core(struct perf_cpu_map *map, int idx, void *data)
{
int cpu, s_die;
int cpu;
struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id();
if (idx > map->nr)
return -1;
return id;
cpu = map->map[idx];
cpu = cpu_map__get_core_id(cpu);
/* s_die is the combination of socket + die id */
s_die = cpu_map__get_die(map, idx, data);
if (s_die == -1)
return -1;
/* cpu_map__get_die returns the combination of socket + die id */
id = cpu_map__get_die(map, idx, data);
if (cpu_map__aggr_cpu_id_is_empty(id))
return id;
/*
* encode socket in bit range 31:24
......@@ -235,17 +245,21 @@ int cpu_map__get_core(struct perf_cpu_map *map, int idx, void *data)
* socket + die id + core id
*/
if (WARN_ONCE(cpu >> 16, "The core id number is too big.\n"))
return -1;
return cpu_map__empty_aggr_cpu_id();
return (s_die << 16) | (cpu & 0xffff);
id.id = (id.id << 16) | (cpu & 0xffff);
return id;
}
int cpu_map__get_node(struct perf_cpu_map *map, int idx, void *data __maybe_unused)
struct aggr_cpu_id cpu_map__get_node(struct perf_cpu_map *map, int idx, void *data __maybe_unused)
{
struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id();
if (idx < 0 || idx >= map->nr)
return -1;
return id;
return cpu_map__get_node_id(map->map[idx]);
id.id = cpu_map__get_node_id(map->map[idx]);
return id;
}
int cpu_map__build_socket_map(struct perf_cpu_map *cpus, struct perf_cpu_map **sockp)
......
......@@ -19,13 +19,13 @@ size_t cpu_map__snprint(struct perf_cpu_map *map, char *buf, size_t size);
size_t cpu_map__snprint_mask(struct perf_cpu_map *map, char *buf, size_t size);
size_t cpu_map__fprintf(struct perf_cpu_map *map, FILE *fp);
int cpu_map__get_socket_id(int cpu);
int cpu_map__get_socket(struct perf_cpu_map *map, int idx, void *data);
struct aggr_cpu_id cpu_map__get_socket(struct perf_cpu_map *map, int idx, void *data);
int cpu_map__get_die_id(int cpu);
int cpu_map__get_die(struct perf_cpu_map *map, int idx, void *data);
struct aggr_cpu_id cpu_map__get_die(struct perf_cpu_map *map, int idx, void *data);
int cpu_map__get_core_id(int cpu);
int cpu_map__get_core(struct perf_cpu_map *map, int idx, void *data);
struct aggr_cpu_id cpu_map__get_core(struct perf_cpu_map *map, int idx, void *data);
int cpu_map__get_node_id(int cpu);
int cpu_map__get_node(struct perf_cpu_map *map, int idx, void *data);
struct aggr_cpu_id cpu_map__get_node(struct perf_cpu_map *map, int idx, void *data);
int cpu_map__build_socket_map(struct perf_cpu_map *cpus, struct perf_cpu_map **sockp);
int cpu_map__build_die_map(struct perf_cpu_map *cpus, struct perf_cpu_map **diep);
int cpu_map__build_core_map(struct perf_cpu_map *cpus, struct perf_cpu_map **corep);
......@@ -62,7 +62,7 @@ int cpu__max_present_cpu(void);
int cpu__get_node(int cpu);
int cpu_map__build_map(struct perf_cpu_map *cpus, struct perf_cpu_map **res,
int (*f)(struct perf_cpu_map *map, int cpu, void *data),
struct aggr_cpu_id (*f)(struct perf_cpu_map *map, int cpu, void *data),
void *data);
int cpu_map__cpu(struct perf_cpu_map *cpus, int idx);
......
This diff is collapsed.
......@@ -313,7 +313,7 @@ static int check_per_pkg(struct evsel *counter,
if (!(vals->run && vals->ena))
return 0;
s = cpu_map__get_socket(cpus, cpu, NULL);
s = cpu_map__get_socket(cpus, cpu, NULL).id;
if (s < 0)
return -1;
......
......@@ -6,6 +6,7 @@
#include <stdio.h>
#include <sys/types.h>
#include <sys/resource.h>
#include "cpumap.h"
#include "rblist.h"
struct perf_cpu_map;
......@@ -99,7 +100,7 @@ struct runtime_stat {
struct rblist value_list;
};
typedef int (*aggr_get_id_t)(struct perf_stat_config *config,
typedef struct aggr_cpu_id (*aggr_get_id_t)(struct perf_stat_config *config,
struct perf_cpu_map *m, int cpu);
struct perf_stat_config {
......@@ -170,7 +171,7 @@ struct evlist;
struct perf_aggr_thread_value {
struct evsel *counter;
int id;
struct aggr_cpu_id id;
double uval;
u64 val;
u64 run;
......
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