perf pmus: Create placholder regardless of scanning core_only

[platform/kernel/linux-starfive.git] / tools / perf / util / pmus.c

diff --git a/tools/perf/util/pmus.c b/tools/perf/util/pmus.c
index 3cd9de4..c58ba9f 100644 (file)
--- a/tools/perf/util/pmus.c
+++ b/tools/perf/util/pmus.c
@@ -152,16 +152,14 @@ static void pmu_read_sysfs(bool core_only)
        }
 
        closedir(dir);
-       if (core_only) {
-               if (!list_empty(&core_pmus))
-                       read_sysfs_core_pmus = true;
-               else {
-                       if (perf_pmu__create_placeholder_core_pmu(&core_pmus))
-                               read_sysfs_core_pmus = true;
-               }
-       } else {
+       if (list_empty(&core_pmus)) {
+               if (!perf_pmu__create_placeholder_core_pmu(&core_pmus))
+                       pr_err("Failure to set up any core PMUs\n");
+       }
+       if (!list_empty(&core_pmus)) {
                read_sysfs_core_pmus = true;
-               read_sysfs_all_pmus = true;
+               if (!core_only)
+                       read_sysfs_all_pmus = true;
        }
 }