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-rw-r--r--tools/perf/util/data.c2
-rw-r--r--tools/perf/util/evlist.c25
-rw-r--r--tools/perf/util/evlist.h1
-rw-r--r--tools/perf/util/evsel.c1
-rw-r--r--tools/perf/util/expr.c20
-rw-r--r--tools/perf/util/pmu.c19
-rw-r--r--tools/perf/util/print-events.c27
-rw-r--r--tools/perf/util/srcline.c2
-rw-r--r--tools/perf/util/stat-display.c2
-rw-r--r--tools/perf/util/stat-shadow.c7
-rw-r--r--tools/perf/util/thread_map.c2
11 files changed, 83 insertions, 25 deletions
diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c
index c29d8a382b..550675ce0b 100644
--- a/tools/perf/util/data.c
+++ b/tools/perf/util/data.c
@@ -430,8 +430,6 @@ int perf_data__switch(struct perf_data *data,
{
int ret;
- if (check_pipe(data))
- return -EINVAL;
if (perf_data__is_read(data))
return -EINVAL;
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index b0ed14a6da..eb1dd29c53 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -2525,3 +2525,28 @@ void evlist__warn_user_requested_cpus(struct evlist *evlist, const char *cpu_lis
}
perf_cpu_map__put(user_requested_cpus);
}
+
+void evlist__uniquify_name(struct evlist *evlist)
+{
+ struct evsel *pos;
+ char *new_name;
+ int ret;
+
+ if (perf_pmus__num_core_pmus() == 1)
+ return;
+
+ evlist__for_each_entry(evlist, pos) {
+ if (!evsel__is_hybrid(pos))
+ continue;
+
+ if (strchr(pos->name, '/'))
+ continue;
+
+ ret = asprintf(&new_name, "%s/%s/",
+ pos->pmu_name, pos->name);
+ if (ret) {
+ free(pos->name);
+ pos->name = new_name;
+ }
+ }
+}
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 98e7ddb2bd..cb91dc9117 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -442,5 +442,6 @@ struct evsel *evlist__find_evsel(struct evlist *evlist, int idx);
int evlist__scnprintf_evsels(struct evlist *evlist, size_t size, char *bf);
void evlist__check_mem_load_aux(struct evlist *evlist);
void evlist__warn_user_requested_cpus(struct evlist *evlist, const char *cpu_list);
+void evlist__uniquify_name(struct evlist *evlist);
#endif /* __PERF_EVLIST_H */
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 72a5dfc38d..1fb24ca8ae 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -2340,7 +2340,6 @@ int evsel__parse_sample(struct evsel *evsel, union perf_event *event,
data->period = evsel->core.attr.sample_period;
data->cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
data->misc = event->header.misc;
- data->id = -1ULL;
data->data_src = PERF_MEM_DATA_SRC_NONE;
data->vcpu = -1;
diff --git a/tools/perf/util/expr.c b/tools/perf/util/expr.c
index 7be23b3ac0..b8875aac8f 100644
--- a/tools/perf/util/expr.c
+++ b/tools/perf/util/expr.c
@@ -500,7 +500,25 @@ double expr__has_event(const struct expr_parse_ctx *ctx, bool compute_ids, const
tmp = evlist__new();
if (!tmp)
return NAN;
- ret = parse_event(tmp, id) ? 0 : 1;
+
+ if (strchr(id, '@')) {
+ char *tmp_id, *p;
+
+ tmp_id = strdup(id);
+ if (!tmp_id) {
+ ret = NAN;
+ goto out;
+ }
+ p = strchr(tmp_id, '@');
+ *p = '/';
+ p = strrchr(tmp_id, '@');
+ *p = '/';
+ ret = parse_event(tmp, tmp_id) ? 0 : 1;
+ free(tmp_id);
+ } else {
+ ret = parse_event(tmp, id) ? 0 : 1;
+ }
+out:
evlist__delete(tmp);
return ret;
}
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index d3c9aa4326..aaa013af52 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -1019,10 +1019,9 @@ struct perf_pmu *perf_pmu__lookup(struct list_head *pmus, int dirfd, const char
* type value and format definitions. Load both right
* now.
*/
- if (pmu_format(pmu, dirfd, name)) {
- free(pmu);
- return NULL;
- }
+ if (pmu_format(pmu, dirfd, name))
+ goto err;
+
pmu->is_core = is_pmu_core(name);
pmu->cpus = pmu_cpumask(dirfd, name, pmu->is_core);
@@ -1756,6 +1755,12 @@ bool pmu__name_match(const struct perf_pmu *pmu, const char *pmu_name)
bool perf_pmu__is_software(const struct perf_pmu *pmu)
{
+ const char *known_sw_pmus[] = {
+ "kprobe",
+ "msr",
+ "uprobe",
+ };
+
if (pmu->is_core || pmu->is_uncore || pmu->auxtrace)
return false;
switch (pmu->type) {
@@ -1767,7 +1772,11 @@ bool perf_pmu__is_software(const struct perf_pmu *pmu)
case PERF_TYPE_BREAKPOINT: return true;
default: break;
}
- return !strcmp(pmu->name, "kprobe") || !strcmp(pmu->name, "uprobe");
+ for (size_t i = 0; i < ARRAY_SIZE(known_sw_pmus); i++) {
+ if (!strcmp(pmu->name, known_sw_pmus[i]))
+ return true;
+ }
+ return false;
}
FILE *perf_pmu__open_file(const struct perf_pmu *pmu, const char *name)
diff --git a/tools/perf/util/print-events.c b/tools/perf/util/print-events.c
index b0fc48be62..4f67e8f00a 100644
--- a/tools/perf/util/print-events.c
+++ b/tools/perf/util/print-events.c
@@ -232,7 +232,6 @@ void print_sdt_events(const struct print_callbacks *print_cb, void *print_state)
bool is_event_supported(u8 type, u64 config)
{
bool ret = true;
- int open_return;
struct evsel *evsel;
struct perf_event_attr attr = {
.type = type,
@@ -246,20 +245,32 @@ bool is_event_supported(u8 type, u64 config)
evsel = evsel__new(&attr);
if (evsel) {
- open_return = evsel__open(evsel, NULL, tmap);
- ret = open_return >= 0;
+ ret = evsel__open(evsel, NULL, tmap) >= 0;
- if (open_return == -EACCES) {
+ if (!ret) {
/*
- * This happens if the paranoid value
+ * The event may fail to open if the paranoid value
* /proc/sys/kernel/perf_event_paranoid is set to 2
- * Re-run with exclude_kernel set; we don't do that
- * by default as some ARM machines do not support it.
- *
+ * Re-run with exclude_kernel set; we don't do that by
+ * default as some ARM machines do not support it.
*/
evsel->core.attr.exclude_kernel = 1;
ret = evsel__open(evsel, NULL, tmap) >= 0;
}
+
+ if (!ret) {
+ /*
+ * The event may fail to open if the PMU requires
+ * exclude_guest to be set (e.g. as the Apple M1 PMU
+ * requires).
+ * Re-run with exclude_guest set; we don't do that by
+ * default as it's equally legitimate for another PMU
+ * driver to require that exclude_guest is clear.
+ */
+ evsel->core.attr.exclude_guest = 1;
+ ret = evsel__open(evsel, NULL, tmap) >= 0;
+ }
+
evsel__delete(evsel);
}
diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c
index 034b496df2..7addc34afc 100644
--- a/tools/perf/util/srcline.c
+++ b/tools/perf/util/srcline.c
@@ -399,6 +399,8 @@ static void addr2line_subprocess_cleanup(struct child_process *a2l)
kill(a2l->pid, SIGKILL);
finish_command(a2l); /* ignore result, we don't care */
a2l->pid = -1;
+ close(a2l->in);
+ close(a2l->out);
}
free(a2l);
diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
index afe6db8e7b..969ce40096 100644
--- a/tools/perf/util/stat-display.c
+++ b/tools/perf/util/stat-display.c
@@ -560,7 +560,7 @@ static void print_metric_only(struct perf_stat_config *config,
if (color)
mlen += strlen(color) + sizeof(PERF_COLOR_RESET) - 1;
- color_snprintf(str, sizeof(str), color ?: "", fmt, val);
+ color_snprintf(str, sizeof(str), color ?: "", fmt ?: "", val);
fprintf(out, "%*s ", mlen, str);
os->first = false;
}
diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c
index e314261678..cf573ff3fa 100644
--- a/tools/perf/util/stat-shadow.c
+++ b/tools/perf/util/stat-shadow.c
@@ -414,12 +414,7 @@ static int prepare_metric(struct evsel **metric_events,
val = NAN;
source_count = 0;
} else {
- /*
- * If an event was scaled during stat gathering,
- * reverse the scale before computing the
- * metric.
- */
- val = aggr->counts.val * (1.0 / metric_events[i]->scale);
+ val = aggr->counts.val;
source_count = evsel__source_count(metric_events[i]);
}
}
diff --git a/tools/perf/util/thread_map.c b/tools/perf/util/thread_map.c
index e848579e61..ea3b431b97 100644
--- a/tools/perf/util/thread_map.c
+++ b/tools/perf/util/thread_map.c
@@ -280,13 +280,13 @@ struct perf_thread_map *thread_map__new_by_tid_str(const char *tid_str)
threads->nr = ntasks;
}
out:
+ strlist__delete(slist);
if (threads)
refcount_set(&threads->refcnt, 1);
return threads;
out_free_threads:
zfree(&threads);
- strlist__delete(slist);
goto out;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-28 06:48:54 +0000