diff options
Diffstat (limited to 'tools/perf/tests/builtin-test.c')
-rw-r--r-- | tools/perf/tests/builtin-test.c | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index 5bc9063..b6b1e46 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -27,90 +27,6 @@ #include "tests.h" -static int trace_event__id(const char *evname) -{ - char *filename; - int err = -1, fd; - - if (asprintf(&filename, - "%s/syscalls/%s/id", - tracing_events_path, evname) < 0) - return -1; - - fd = open(filename, O_RDONLY); - if (fd >= 0) { - char id[16]; - if (read(fd, id, sizeof(id)) > 0) - err = atoi(id); - close(fd); - } - - free(filename); - return err; -} - -static int test__open_syscall_event(void) -{ - int err = -1, fd; - struct thread_map *threads; - struct perf_evsel *evsel; - struct perf_event_attr attr; - unsigned int nr_open_calls = 111, i; - int id = trace_event__id("sys_enter_open"); - - if (id < 0) { - pr_debug("is debugfs mounted on /sys/kernel/debug?\n"); - return -1; - } - - threads = thread_map__new(-1, getpid(), UINT_MAX); - if (threads == NULL) { - pr_debug("thread_map__new\n"); - return -1; - } - - memset(&attr, 0, sizeof(attr)); - attr.type = PERF_TYPE_TRACEPOINT; - attr.config = id; - evsel = perf_evsel__new(&attr, 0); - if (evsel == NULL) { - pr_debug("perf_evsel__new\n"); - goto out_thread_map_delete; - } - - if (perf_evsel__open_per_thread(evsel, threads) < 0) { - pr_debug("failed to open counter: %s, " - "tweak /proc/sys/kernel/perf_event_paranoid?\n", - strerror(errno)); - goto out_evsel_delete; - } - - for (i = 0; i < nr_open_calls; ++i) { - fd = open("/etc/passwd", O_RDONLY); - close(fd); - } - - if (perf_evsel__read_on_cpu(evsel, 0, 0) < 0) { - pr_debug("perf_evsel__read_on_cpu\n"); - goto out_close_fd; - } - - if (evsel->counts->cpu[0].val != nr_open_calls) { - pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls, got %" PRIu64 "\n", - nr_open_calls, evsel->counts->cpu[0].val); - goto out_close_fd; - } - - err = 0; -out_close_fd: - perf_evsel__close_fd(evsel, 1, threads->nr); -out_evsel_delete: - perf_evsel__delete(evsel); -out_thread_map_delete: - thread_map__delete(threads); - return err; -} - #include <sched.h> static int test__open_syscall_event_on_all_cpus(void) |