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-rw-r--r--tools/perf/util/pmu.c19
1 files changed, 14 insertions, 5 deletions
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)