diff options
Diffstat (limited to 'tools/perf/arch/x86/util/pmu.c')
| -rw-r--r-- | tools/perf/arch/x86/util/pmu.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/tools/perf/arch/x86/util/pmu.c b/tools/perf/arch/x86/util/pmu.c index 358340b34243..3c0de3370d7e 100644 --- a/tools/perf/arch/x86/util/pmu.c +++ b/tools/perf/arch/x86/util/pmu.c @@ -27,10 +27,14 @@ static bool cached_list; struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu __maybe_unused) { #ifdef HAVE_AUXTRACE_SUPPORT - if (!strcmp(pmu->name, INTEL_PT_PMU_NAME)) + if (!strcmp(pmu->name, INTEL_PT_PMU_NAME)) { + pmu->auxtrace = true; return intel_pt_pmu_default_config(pmu); - if (!strcmp(pmu->name, INTEL_BTS_PMU_NAME)) + } + if (!strcmp(pmu->name, INTEL_BTS_PMU_NAME)) { + pmu->auxtrace = true; pmu->selectable = true; + } #endif return NULL; } @@ -67,7 +71,7 @@ out_delete: static int setup_pmu_alias_list(void) { - char path[PATH_MAX]; + int fd, dirfd; DIR *dir; struct dirent *dent; struct pmu_alias *pmu_alias; @@ -75,10 +79,11 @@ static int setup_pmu_alias_list(void) FILE *file; int ret = -ENOMEM; - if (!perf_pmu__event_source_devices_scnprintf(path, sizeof(path))) + dirfd = perf_pmu__event_source_devices_fd(); + if (dirfd < 0) return -1; - dir = opendir(path); + dir = fdopendir(dirfd); if (!dir) return -errno; @@ -87,11 +92,11 @@ static int setup_pmu_alias_list(void) !strcmp(dent->d_name, "..")) continue; - perf_pmu__pathname_scnprintf(path, sizeof(path), dent->d_name, "alias"); - if (!file_available(path)) + fd = perf_pmu__pathname_fd(dirfd, dent->d_name, "alias", O_RDONLY); + if (fd < 0) continue; - file = fopen(path, "r"); + file = fdopen(fd, "r"); if (!file) continue; |