return perf_pmu__find_map(NULL);
}
-static bool perf_pmu__valid_suffix(char *pmu_name, char *tok)
+/*
+ * Suffix must be in form tok_{digits}, or tok{digits}, or same as pmu_name
+ * to be valid.
+ */
+static bool perf_pmu__valid_suffix(const char *pmu_name, char *tok)
{
- char *p;
+ const char *p;
if (strncmp(pmu_name, tok, strlen(tok)))
return false;
if (*p == 0)
return true;
- if (*p != '_')
- return false;
+ if (*p == '_')
+ ++p;
- ++p;
- if (*p == 0 || !isdigit(*p))
- return false;
+ /* Ensure we end in a number */
+ while (1) {
+ if (!isdigit(*p))
+ return false;
+ if (*(++p) == 0)
+ break;
+ }
return true;
}
* match "socket" in "socketX_pmunameY" and then "pmuname" in
* "pmunameY".
*/
- for (; tok; name += strlen(tok), tok = strtok_r(NULL, ",", &tmp)) {
+ while (1) {
+ char *next_tok = strtok_r(NULL, ",", &tmp);
+
name = strstr(name, tok);
- if (!name || !perf_pmu__valid_suffix((char *)name, tok)) {
+ if (!name ||
+ (!next_tok && !perf_pmu__valid_suffix(name, tok))) {
res = false;
goto out;
}
+ if (!next_tok)
+ break;
+ tok = next_tok;
+ name += strlen(tok);
}
res = true;
break;
}
- if (pmu_is_uncore(name) &&
- pmu_uncore_alias_match(pname, name))
+ if (pmu->is_uncore && pmu_uncore_alias_match(pname, name))
goto new_alias;
if (strcmp(pname, name))
return 0;
}
-static void pmu_add_sys_aliases(struct list_head *head, struct perf_pmu *pmu)
+void pmu_add_sys_aliases(struct list_head *head, struct perf_pmu *pmu)
{
struct pmu_sys_event_iter_data idata = {
.head = head,
return NULL;
}
+char * __weak
+pmu_find_real_name(const char *name)
+{
+ return (char *)name;
+}
+
+char * __weak
+pmu_find_alias_name(const char *name __maybe_unused)
+{
+ return NULL;
+}
+
static int pmu_max_precise(const char *name)
{
char path[PATH_MAX];
return max_precise;
}
-static struct perf_pmu *pmu_lookup(const char *name)
+static struct perf_pmu *pmu_lookup(const char *lookup_name)
{
struct perf_pmu *pmu;
LIST_HEAD(format);
LIST_HEAD(aliases);
__u32 type;
+ char *name = pmu_find_real_name(lookup_name);
+ bool is_hybrid = perf_pmu__hybrid_mounted(name);
+ char *alias_name;
+
+ /*
+ * Check pmu name for hybrid and the pmu may be invalid in sysfs
+ */
+ if (!strncmp(name, "cpu_", 4) && !is_hybrid)
+ return NULL;
/*
* The pmu data we store & need consists of the pmu
pmu->cpus = pmu_cpumask(name);
pmu->name = strdup(name);
+ if (!pmu->name)
+ goto err;
+
+ alias_name = pmu_find_alias_name(name);
+ if (alias_name) {
+ pmu->alias_name = strdup(alias_name);
+ if (!pmu->alias_name)
+ goto err;
+ }
+
pmu->type = type;
pmu->is_uncore = pmu_is_uncore(name);
if (pmu->is_uncore)
pmu->id = pmu_id(name);
- pmu->is_hybrid = perf_pmu__hybrid_mounted(name);
+ pmu->is_hybrid = is_hybrid;
pmu->max_precise = pmu_max_precise(name);
pmu_add_cpu_aliases(&aliases, pmu);
pmu_add_sys_aliases(&aliases, pmu);
pmu->default_config = perf_pmu__get_default_config(pmu);
return pmu;
+err:
+ if (pmu->name)
+ free(pmu->name);
+ free(pmu);
+ return NULL;
}
static struct perf_pmu *pmu_find(const char *name)
{
struct perf_pmu *pmu;
- list_for_each_entry(pmu, &pmus, list)
- if (!strcmp(pmu->name, name))
+ list_for_each_entry(pmu, &pmus, list) {
+ if (!strcmp(pmu->name, name) ||
+ (pmu->alias_name && !strcmp(pmu->alias_name, name)))
return pmu;
+ }
return NULL;
}
int perf_pmu__match(char *pattern, char *name, char *tok)
{
+ if (!name)
+ return -1;
+
if (fnmatch(pattern, name, 0))
return -1;
return 0;
}
+
+int perf_pmu__cpus_match(struct perf_pmu *pmu, struct perf_cpu_map *cpus,
+ struct perf_cpu_map **mcpus_ptr,
+ struct perf_cpu_map **ucpus_ptr)
+{
+ struct perf_cpu_map *pmu_cpus = pmu->cpus;
+ struct perf_cpu_map *matched_cpus, *unmatched_cpus;
+ int matched_nr = 0, unmatched_nr = 0;
+
+ matched_cpus = perf_cpu_map__default_new();
+ if (!matched_cpus)
+ return -1;
+
+ unmatched_cpus = perf_cpu_map__default_new();
+ if (!unmatched_cpus) {
+ perf_cpu_map__put(matched_cpus);
+ return -1;
+ }
+
+ for (int i = 0; i < cpus->nr; i++) {
+ int cpu;
+
+ cpu = perf_cpu_map__idx(pmu_cpus, cpus->map[i]);
+ if (cpu == -1)
+ unmatched_cpus->map[unmatched_nr++] = cpus->map[i];
+ else
+ matched_cpus->map[matched_nr++] = cpus->map[i];
+ }
+
+ unmatched_cpus->nr = unmatched_nr;
+ matched_cpus->nr = matched_nr;
+ *mcpus_ptr = matched_cpus;
+ *ucpus_ptr = unmatched_cpus;
+ return 0;
+}