diff options
Diffstat (limited to 'tools/perf/tests/open-syscall.c')
-rw-r--r-- | tools/perf/tests/open-syscall.c | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/tools/perf/tests/open-syscall.c b/tools/perf/tests/open-syscall.c deleted file mode 100644 index 07aa319bf..000000000 --- a/tools/perf/tests/open-syscall.c +++ /dev/null @@ -1,61 +0,0 @@ -#include "thread_map.h" -#include "evsel.h" -#include "debug.h" -#include "tests.h" - -int test__open_syscall_event(void) -{ - int err = -1, fd; - struct perf_evsel *evsel; - unsigned int nr_open_calls = 111, i; - struct thread_map *threads = thread_map__new(-1, getpid(), UINT_MAX); - char sbuf[STRERR_BUFSIZE]; - - if (threads == NULL) { - pr_debug("thread_map__new\n"); - return -1; - } - - evsel = perf_evsel__newtp("syscalls", "sys_enter_open"); - if (evsel == NULL) { - if (tracefs_configured()) - pr_debug("is tracefs mounted on /sys/kernel/tracing?\n"); - else if (debugfs_configured()) - pr_debug("is debugfs mounted on /sys/kernel/debug?\n"); - else - pr_debug("Neither tracefs or debugfs is enabled in this kernel\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_r(errno, sbuf, sizeof(sbuf))); - 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; -} |