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Date: Wed, 22 Dec 2021 23:44:58 -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
Cc: eranian@...gle.com, Ian Rogers <irogers@...gle.com>
Subject: [PATCH v2 05/48] perf stat: Switch to cpu version of cpu_map__get
Avoid bugs where the wrong index is passed with the cpu_map.
Reviewed-by: James Clark <james.clark@....com>
Signed-off-by: Ian Rogers <irogers@...gle.com>
---
tools/perf/builtin-stat.c | 93 +++++++++++++++++++---------------
tools/perf/util/stat-display.c | 11 ++--
tools/perf/util/stat.h | 3 +-
3 files changed, 57 insertions(+), 50 deletions(-)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index f6ca2b054c5b..9791ae9b1a53 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -1323,69 +1323,63 @@ static struct option stat_options[] = {
};
static struct aggr_cpu_id perf_stat__get_socket(struct perf_stat_config *config __maybe_unused,
- struct perf_cpu_map *map, int cpu)
+ int cpu)
{
- return cpu_map__get_socket(map, cpu, NULL);
+ return cpu_map__get_socket_aggr_by_cpu(cpu, /*data=*/NULL);
}
static struct aggr_cpu_id perf_stat__get_die(struct perf_stat_config *config __maybe_unused,
- struct perf_cpu_map *map, int cpu)
+ int cpu)
{
- return cpu_map__get_die(map, cpu, NULL);
+ return cpu_map__get_die_aggr_by_cpu(cpu, /*data=*/NULL);
}
static struct aggr_cpu_id perf_stat__get_core(struct perf_stat_config *config __maybe_unused,
- struct perf_cpu_map *map, int cpu)
+ int cpu)
{
- return cpu_map__get_core(map, cpu, NULL);
+ return cpu_map__get_core_aggr_by_cpu(cpu, /*data=*/NULL);
}
static struct aggr_cpu_id perf_stat__get_node(struct perf_stat_config *config __maybe_unused,
- struct perf_cpu_map *map, int cpu)
+ int cpu)
{
- return cpu_map__get_node(map, cpu, NULL);
+ return cpu_map__get_node_aggr_by_cpu(cpu, /*data=*/NULL);
}
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)
+ aggr_get_id_t get_id, int cpu)
{
- int cpu;
struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id();
- if (idx >= map->nr)
- return id;
-
- cpu = map->map[idx];
-
if (cpu_map__aggr_cpu_id_is_empty(config->cpus_aggr_map->map[cpu]))
- config->cpus_aggr_map->map[cpu] = get_id(config, map, idx);
+ config->cpus_aggr_map->map[cpu] = get_id(config, cpu);
id = config->cpus_aggr_map->map[cpu];
return id;
}
static struct aggr_cpu_id perf_stat__get_socket_cached(struct perf_stat_config *config,
- struct perf_cpu_map *map, int idx)
+ int cpu)
{
- return perf_stat__get_aggr(config, perf_stat__get_socket, map, idx);
+ 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,
- struct perf_cpu_map *map, int idx)
+ int cpu)
{
- return perf_stat__get_aggr(config, perf_stat__get_die, map, idx);
+ 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,
- struct perf_cpu_map *map, int idx)
+ int cpu)
{
- return perf_stat__get_aggr(config, perf_stat__get_core, map, idx);
+ 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,
- struct perf_cpu_map *map, int idx)
+ int cpu)
{
- return perf_stat__get_aggr(config, perf_stat__get_node, map, idx);
+ return perf_stat__get_aggr(config, perf_stat__get_node, cpu);
}
static bool term_percore_set(void)
@@ -1483,8 +1477,9 @@ static void perf_stat__exit_aggr_mode(void)
stat_config.cpus_aggr_map = NULL;
}
-static inline int perf_env__get_cpu(struct perf_env *env, struct perf_cpu_map *map, int idx)
+static inline int perf_env__get_cpu(void *data, struct perf_cpu_map *map, int idx)
{
+ struct perf_env *env = data;
int cpu;
if (idx > map->nr)
@@ -1498,10 +1493,9 @@ static inline int perf_env__get_cpu(struct perf_env *env, struct perf_cpu_map *m
return cpu;
}
-static struct aggr_cpu_id perf_env__get_socket(struct perf_cpu_map *map, int idx, void *data)
+static struct aggr_cpu_id perf_env__get_socket_aggr_by_cpu(int cpu, 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)
@@ -1510,11 +1504,15 @@ static struct aggr_cpu_id perf_env__get_socket(struct perf_cpu_map *map, int idx
return id;
}
-static struct aggr_cpu_id perf_env__get_die(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)
+{
+ return perf_env__get_socket_aggr_by_cpu(perf_env__get_cpu(data, map, idx), data);
+}
+
+static struct aggr_cpu_id perf_env__get_die_aggr_by_cpu(int cpu, void *data)
{
struct perf_env *env = data;
struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id();
- int cpu = perf_env__get_cpu(env, map, idx);
if (cpu != -1) {
/*
@@ -1529,11 +1527,15 @@ static struct aggr_cpu_id perf_env__get_die(struct perf_cpu_map *map, int idx, v
return id;
}
-static struct aggr_cpu_id perf_env__get_core(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)
+{
+ return perf_env__get_die_aggr_by_cpu(perf_env__get_cpu(data, map, idx), data);
+}
+
+static struct aggr_cpu_id perf_env__get_core_aggr_by_cpu(int cpu, void *data)
{
struct perf_env *env = data;
struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id();
- int cpu = perf_env__get_cpu(env, map, idx);
if (cpu != -1) {
/*
@@ -1549,15 +1551,24 @@ static struct aggr_cpu_id perf_env__get_core(struct perf_cpu_map *map, int idx,
return id;
}
-static struct aggr_cpu_id perf_env__get_node(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)
+{
+ return perf_env__get_core_aggr_by_cpu(perf_env__get_cpu(data, map, idx), data);
+}
+
+static struct aggr_cpu_id perf_env__get_node_aggr_by_cpu(int cpu, void *data)
{
- int cpu = perf_env__get_cpu(data, map, idx);
struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id();
id.node = perf_env__numa_node(data, cpu);
return id;
}
+static struct aggr_cpu_id perf_env__get_node(struct perf_cpu_map *map, int idx, void *data)
+{
+ return perf_env__get_node_aggr_by_cpu(perf_env__get_cpu(data, map, idx), data);
+}
+
static int perf_env__build_socket_map(struct perf_env *env, struct perf_cpu_map *cpus,
struct cpu_aggr_map **sockp)
{
@@ -1583,26 +1594,26 @@ static int perf_env__build_node_map(struct perf_env *env, struct perf_cpu_map *c
}
static struct aggr_cpu_id perf_stat__get_socket_file(struct perf_stat_config *config __maybe_unused,
- struct perf_cpu_map *map, int idx)
+ int cpu)
{
- return perf_env__get_socket(map, idx, &perf_stat.session->header.env);
+ 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,
- struct perf_cpu_map *map, int idx)
+ int cpu)
{
- return perf_env__get_die(map, idx, &perf_stat.session->header.env);
+ 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,
- struct perf_cpu_map *map, int idx)
+ int cpu)
{
- return perf_env__get_core(map, idx, &perf_stat.session->header.env);
+ 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,
- struct perf_cpu_map *map, int idx)
+ int cpu)
{
- return perf_env__get_node(map, idx, &perf_stat.session->header.env);
+ return perf_env__get_node_aggr_by_cpu(cpu, &perf_stat.session->header.env);
}
static int perf_stat_init_aggr_mode_file(struct perf_stat *st)
diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
index efab39a759ff..6c40b91d5e32 100644
--- a/tools/perf/util/stat-display.c
+++ b/tools/perf/util/stat-display.c
@@ -341,8 +341,7 @@ static int first_shadow_cpu(struct perf_stat_config *config,
cpus = evsel__cpus(evsel);
perf_cpu_map__for_each_cpu(cpu, idx, cpus) {
- if (cpu_map__compare_aggr_cpu_id(config->aggr_get_id(config, cpus, idx),
- id))
+ if (cpu_map__compare_aggr_cpu_id(config->aggr_get_id(config, cpu), id))
return cpu;
}
return 0;
@@ -525,8 +524,7 @@ static void aggr_update_shadow(struct perf_stat_config *config,
cpus = evsel__cpus(counter);
val = 0;
perf_cpu_map__for_each_cpu(cpu, idx, cpus) {
- (void)cpu;
- s2 = config->aggr_get_id(config, cpus, idx);
+ s2 = config->aggr_get_id(config, cpu);
if (!cpu_map__compare_aggr_cpu_id(s2, id))
continue;
val += perf_counts(counter->counts, idx, 0)->val;
@@ -642,8 +640,7 @@ static void aggr_cb(struct perf_stat_config *config,
perf_cpu_map__for_each_cpu(cpu, idx, cpus) {
struct perf_counts_values *counts;
- (void)cpu;
- s2 = config->aggr_get_id(config, cpus, idx);
+ s2 = config->aggr_get_id(config, cpu);
if (!cpu_map__compare_aggr_cpu_id(s2, ad->id))
continue;
if (first)
@@ -1217,7 +1214,7 @@ static void print_percore_thread(struct perf_stat_config *config,
cpus = evsel__cpus(counter);
perf_cpu_map__for_each_cpu(cpu, idx, cpus) {
- s2 = config->aggr_get_id(config, cpus, idx);
+ s2 = config->aggr_get_id(config, cpu);
for (s = 0; s < config->aggr_map->nr; s++) {
id = config->aggr_map->map[s];
if (cpu_map__compare_aggr_cpu_id(s2, id))
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index 32c8527de347..32cf24186229 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -108,8 +108,7 @@ struct runtime_stat {
struct rblist value_list;
};
-typedef struct aggr_cpu_id (*aggr_get_id_t)(struct perf_stat_config *config,
- struct perf_cpu_map *m, int cpu);
+typedef struct aggr_cpu_id (*aggr_get_id_t)(struct perf_stat_config *config, int cpu);
struct perf_stat_config {
enum aggr_mode aggr_mode;
--
2.34.1.307.g9b7440fafd-goog
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