perf util: Remove unused perf_pmus__default_pmu_name

perf_pmus__default_pmu_name() last use was removed by 2023's
commit e3edd6cf6399 ("perf pmu-events: Reduce processed events by passing
PMU")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Ian Rogers <irogers@google.com>
Link: https://lore.kernel.org/r/20250305023120.155420-6-linux@treblig.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>

diff --git a/tools/perf/util/pmus.c b/tools/perf/util/pmus.c
index dd7c2ffdab38ef43729fdf2be626d095bb13e4b5..9b5a63ecb24934ba19a36715330d937a6d4fb948 100644 (file)
--- a/tools/perf/util/pmus.c
+++ b/tools/perf/util/pmus.c
@@ -714,35 +714,6 @@ bool perf_pmus__supports_extended_type(void)
        return perf_pmus__do_support_extended_type;
 }
 
-char *perf_pmus__default_pmu_name(void)
-{
-       int fd;
-       struct io_dir dir;
-       struct io_dirent64 *dent;
-       char *result = NULL;
-
-       if (!list_empty(&core_pmus))
-               return strdup(list_first_entry(&core_pmus, struct perf_pmu, list)->name);
-
-       fd = perf_pmu__event_source_devices_fd();
-       if (fd < 0)
-               return strdup("cpu");
-
-       io_dir__init(&dir, fd);
-
-       while ((dent = io_dir__readdir(&dir)) != NULL) {
-               if (!strcmp(dent->d_name, ".") || !strcmp(dent->d_name, ".."))
-                       continue;
-               if (is_pmu_core(dent->d_name)) {
-                       result = strdup(dent->d_name);
-                       break;
-               }
-       }
-
-       close(fd);
-       return result ?: strdup("cpu");
-}
-
 struct perf_pmu *evsel__find_pmu(const struct evsel *evsel)
 {
        struct perf_pmu *pmu = evsel->pmu;

diff --git a/tools/perf/util/pmus.h b/tools/perf/util/pmus.h
index a0cb0eb2ff9714d75f1f5b1d00c7431daf8d5539..8def20e615adcb23a1d47ea101029d3634e33d28 100644 (file)
--- a/tools/perf/util/pmus.h
+++ b/tools/perf/util/pmus.h
@@ -27,7 +27,6 @@ void perf_pmus__print_raw_pmu_events(const struct print_callbacks *print_cb, voi
 bool perf_pmus__have_event(const char *pname, const char *name);
 int perf_pmus__num_core_pmus(void);
 bool perf_pmus__supports_extended_type(void);
-char *perf_pmus__default_pmu_name(void);
 
 struct perf_pmu *perf_pmus__add_test_pmu(int test_sysfs_dirfd, const char *name);
 struct perf_pmu *perf_pmus__add_test_hwmon_pmu(int hwmon_dir,