diff options
Diffstat (limited to 'tools/perf/util/pmus.c')
| -rw-r--r-- | tools/perf/util/pmus.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/tools/perf/util/pmus.c b/tools/perf/util/pmus.c index 2fd369e45832..b9b4c5eb5002 100644 --- a/tools/perf/util/pmus.c +++ b/tools/perf/util/pmus.c @@ -124,7 +124,8 @@ struct perf_pmu *perf_pmus__find(const char *name) return NULL; dirfd = perf_pmu__event_source_devices_fd(); - pmu = perf_pmu__lookup(core_pmu ? &core_pmus : &other_pmus, dirfd, name); + pmu = perf_pmu__lookup(core_pmu ? &core_pmus : &other_pmus, dirfd, name, + /*eager_load=*/false); close(dirfd); if (!pmu) { @@ -159,7 +160,8 @@ static struct perf_pmu *perf_pmu__find2(int dirfd, const char *name) if (core_pmu && read_sysfs_core_pmus) return NULL; - return perf_pmu__lookup(core_pmu ? &core_pmus : &other_pmus, dirfd, name); + return perf_pmu__lookup(core_pmu ? &core_pmus : &other_pmus, dirfd, name, + /*eager_load=*/false); } static int pmus_cmp(void *priv __maybe_unused, @@ -696,3 +698,13 @@ struct perf_pmu *perf_pmus__find_core_pmu(void) { return perf_pmus__scan_core(NULL); } + +struct perf_pmu *perf_pmus__add_test_pmu(int test_sysfs_dirfd, const char *name) +{ + /* + * Some PMU functions read from the sysfs mount point, so care is + * needed, hence passing the eager_load flag to load things like the + * format files. + */ + return perf_pmu__lookup(&other_pmus, test_sysfs_dirfd, name, /*eager_load=*/true); +} |