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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2023-08-30 16:06:38 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2023-08-30 16:06:38 -0700
commit1ac731c529cd4d6adbce134754b51ff7d822b145 (patch)
tree143ab3f35ca5f3b69f583c84e6964b17139c2ec1 /tools/perf/arch/x86/util/pmu.c
parent07b4c950f27bef0362dc6ad7ee713aab61d58149 (diff)
parent54116d442e001e1b6bd482122043b1870998a1f3 (diff)
Merge branch 'next' into for-linus
Prepare input updates for 6.6 merge window.
Diffstat (limited to 'tools/perf/arch/x86/util/pmu.c')
-rw-r--r--tools/perf/arch/x86/util/pmu.c21
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 358340b342431..3c0de3370d7e2 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;