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;
LIST_HEAD(format);
LIST_HEAD(aliases);
__u32 type;
+ bool is_hybrid = perf_pmu__hybrid_mounted(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->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);