diff options
Diffstat (limited to 'tools/perf/tests/attr.c')
| -rw-r--r-- | tools/perf/tests/attr.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/tools/perf/tests/attr.c b/tools/perf/tests/attr.c index 0e77b2cf61ec..c180bbcdbef6 100644 --- a/tools/perf/tests/attr.c +++ b/tools/perf/tests/attr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * The struct perf_event_attr test support. * @@ -36,6 +37,7 @@ #define ENV "PERF_TEST_ATTR" static char *dir; +static bool ready; void test_attr__init(void) { @@ -67,6 +69,9 @@ static int store_event(struct perf_event_attr *attr, pid_t pid, int cpu, FILE *file; char path[PATH_MAX]; + if (!ready) + return 0; + snprintf(path, PATH_MAX, "%s/event-%d-%llu-%d", dir, attr->type, attr->config, fd); @@ -136,7 +141,7 @@ void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu, { int errno_saved = errno; - if (store_event(attr, pid, cpu, fd, group_fd, flags)) { + if ((fd != -1) && store_event(attr, pid, cpu, fd, group_fd, flags)) { pr_err("test attr FAILED"); exit(128); } @@ -144,6 +149,12 @@ void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu, errno = errno_saved; } +void test_attr__ready(void) +{ + if (unlikely(test_attr__enabled) && !ready) + ready = true; +} + static int run_dir(const char *d, const char *perf) { char v[] = "-vvvvv"; @@ -159,7 +170,7 @@ static int run_dir(const char *d, const char *perf) return system(cmd); } -int test__attr(int subtest __maybe_unused) +int test__attr(struct test *test __maybe_unused, int subtest __maybe_unused) { struct stat st; char path_perf[PATH_MAX]; |
