- int spawn_ret, pid;
- char *const mount_args[] = {"/usr/local/sbin/mount_nand.sh", NULL};
- spawn_ret = posix_spawn(&pid, mount_args[0], NULL, NULL, mount_args, environ);
- if (spawn_ret < 0) {
- T_SKIP("NAND mounting in LTE not possible on this device. Skipping test!");
- }
- waitpid(pid, &spawn_ret, 0);
- if (WIFEXITED(spawn_ret) && !WEXITSTATUS(spawn_ret)) {
- T_PASS("NAND mounted successfully");
- } else {
- T_SKIP("Unable to mount NAND. Skipping test!");
- }
-
- /* Mark the main thread as fixed priority */
- struct sched_param param = {.sched_priority = THR_MANAGER_PRI};
- T_ASSERT_POSIX_ZERO(pthread_setschedparam(pthread_self(), SCHED_FIFO, ¶m),
- "pthread_setschedparam");
-
- /* Set I/O Policy to Tier 0 */
- T_ASSERT_POSIX_ZERO(setiopolicy_np(IOPOL_TYPE_DISK, IOPOL_SCOPE_PROCESS,
- IOPOL_IMPORTANT), "setiopolicy");
-
- /* Create data buffer */
- data_buf = malloc(IO_SIZE * 16);
- T_ASSERT_NOTNULL(data_buf, "Data buffer allocation");
-
- int rndfd = open("/dev/urandom", O_RDONLY, S_IRUSR);
- T_ASSERT_POSIX_SUCCESS(rndfd, "Open /dev/urandom");
- T_ASSERT_GE_INT((int)read(rndfd, data_buf, IO_SIZE * 16), 0, "read /dev/urandom");
- close(rndfd);
-
- /* Create test file */
- int fd = open("/mnt2/test", O_CREAT | O_WRONLY, S_IRUSR);
- T_ASSERT_POSIX_SUCCESS(fd, 0, "Open /mnt2/test for writing!");
-
- T_ASSERT_POSIX_ZERO(fcntl(fd, F_NOCACHE, 1), "fcntl F_NOCACHE enable");
- for (int size = 0; size < FILE_SIZE;) {
- T_QUIET;
- T_ASSERT_GE_INT((int)write(fd, data_buf, IO_SIZE * 16), 0, "write test file");
- size += (IO_SIZE * 16);
- }
- close(fd);
- sync();
-
+ int spawn_ret, pid;
+ char *const mount_args[] = {"/usr/local/sbin/mount_nand.sh", NULL};
+ spawn_ret = posix_spawn(&pid, mount_args[0], NULL, NULL, mount_args, environ);
+ if (spawn_ret < 0) {
+ T_SKIP("NAND mounting in LTE not possible on this device. Skipping test!");
+ }
+ waitpid(pid, &spawn_ret, 0);
+ if (WIFEXITED(spawn_ret) && !WEXITSTATUS(spawn_ret)) {
+ T_PASS("NAND mounted successfully");
+ } else {
+ T_SKIP("Unable to mount NAND. Skipping test!");
+ }
+
+ /* Mark the main thread as fixed priority */
+ struct sched_param param = {.sched_priority = THR_MANAGER_PRI};
+ T_ASSERT_POSIX_ZERO(pthread_setschedparam(pthread_self(), SCHED_FIFO, ¶m),
+ "pthread_setschedparam");
+
+ /* Set I/O Policy to Tier 0 */
+ T_ASSERT_POSIX_ZERO(setiopolicy_np(IOPOL_TYPE_DISK, IOPOL_SCOPE_PROCESS,
+ IOPOL_IMPORTANT), "setiopolicy");
+
+ /* Create data buffer */
+ data_buf = malloc(IO_SIZE * 16);
+ T_ASSERT_NOTNULL(data_buf, "Data buffer allocation");
+
+ int rndfd = open("/dev/urandom", O_RDONLY, S_IRUSR);
+ T_ASSERT_POSIX_SUCCESS(rndfd, "Open /dev/urandom");
+ T_ASSERT_GE_INT((int)read(rndfd, data_buf, IO_SIZE * 16), 0, "read /dev/urandom");
+ close(rndfd);
+
+ /* Create test file */
+ int fd = open("/mnt2/test", O_CREAT | O_WRONLY, S_IRUSR);
+ T_ASSERT_POSIX_SUCCESS(fd, 0, "Open /mnt2/test for writing!");
+
+ T_ASSERT_POSIX_ZERO(fcntl(fd, F_NOCACHE, 1), "fcntl F_NOCACHE enable");
+ for (int size = 0; size < FILE_SIZE;) {
+ T_QUIET;
+ T_ASSERT_GE_INT((int)write(fd, data_buf, IO_SIZE * 16), 0, "write test file");
+ size += (IO_SIZE * 16);
+ }
+ close(fd);
+ sync();
- uint32_t thread_id = (uint32_t) arg;
- char name[30] = "";
-
- snprintf(name, sizeof(name), "spin thread %2d", thread_id);
- pthread_setname_np(name);
- T_ASSERT_MACH_SUCCESS(semaphore_wait_signal(semaphore, worker_sem),
- "semaphore_wait_signal");
- spin_for_duration(SPIN_SECS);
- return NULL;
+ uint32_t thread_id = (uint32_t) arg;
+ char name[30] = "";
+
+ snprintf(name, sizeof(name), "spin thread %2d", thread_id);
+ pthread_setname_np(name);
+ T_ASSERT_MACH_SUCCESS(semaphore_wait_signal(semaphore, worker_sem),
+ "semaphore_wait_signal");
+ spin_for_duration(SPIN_SECS);
+ return NULL;
- /* Open the test data file */
- int test_file_fd = open("/mnt2/test", O_RDONLY);
- T_WITH_ERRNO;
- T_ASSERT_POSIX_SUCCESS(test_file_fd, "Open test data file");
-
- /* Disable caching and read-ahead for the file */
- T_ASSERT_POSIX_ZERO(fcntl(test_file_fd, F_NOCACHE, 1), "fcntl F_NOCACHE enable");
- T_ASSERT_POSIX_ZERO(fcntl(test_file_fd, F_RDAHEAD, 0), "fcntl F_RDAHEAD disable");
-
- uint32_t count = 0;
- int ret;
-
- for (int i=0; i < WARMUP_ITERATIONS; i++) {
- /* Warmup loop */
- read(test_file_fd, data_buf, IO_SIZE);
- }
-
- do {
- T_STAT_MEASURE(stat) {
- ret = read(test_file_fd, data_buf, IO_SIZE);
- }
- if (ret == 0) {
- T_QUIET;
- T_ASSERT_POSIX_SUCCESS(lseek(test_file_fd, 0, SEEK_SET), "lseek begin");
- } else if (ret < 0) {
- T_FAIL("read failure");
- T_END;
- }
- count++;
- } while(count < IO_COUNT);
- close(test_file_fd);
+ /* Open the test data file */
+ int test_file_fd = open("/mnt2/test", O_RDONLY);
+ T_WITH_ERRNO;
+ T_ASSERT_POSIX_SUCCESS(test_file_fd, "Open test data file");
+
+ /* Disable caching and read-ahead for the file */
+ T_ASSERT_POSIX_ZERO(fcntl(test_file_fd, F_NOCACHE, 1), "fcntl F_NOCACHE enable");
+ T_ASSERT_POSIX_ZERO(fcntl(test_file_fd, F_RDAHEAD, 0), "fcntl F_RDAHEAD disable");
+
+ uint32_t count = 0;
+ int ret;
+
+ for (int i = 0; i < WARMUP_ITERATIONS; i++) {
+ /* Warmup loop */
+ read(test_file_fd, data_buf, IO_SIZE);
+ }
+
+ do {
+ T_STAT_MEASURE(stat) {
+ ret = read(test_file_fd, data_buf, IO_SIZE);
+ }
+ if (ret == 0) {
+ T_QUIET;
+ T_ASSERT_POSIX_SUCCESS(lseek(test_file_fd, 0, SEEK_SET), "lseek begin");
+ } else if (ret < 0) {
+ T_FAIL("read failure");
+ T_END;
+ }
+ count++;
+ } while (count < IO_COUNT);
+ close(test_file_fd);
- io_perf_test_io_init();
- pthread_setname_np("main thread");
-
- T_ASSERT_MACH_SUCCESS(mach_timebase_info(&timebase_info), "mach_timebase_info");
-
- dt_stat_time_t seq_noload = dt_stat_time_create("sequential read latency (CPU idle)");
- perform_io(seq_noload);
- dt_stat_finalize(seq_noload);
-
- /*
- * We create spinner threads for this test so that all other cores are
- * busy. That way the I/O issue thread has to context switch to the
- * IOWorkLoop thread and back for the I/O.
- */
- T_ASSERT_MACH_SUCCESS(semaphore_create(mach_task_self(), &semaphore,
- SYNC_POLICY_FIFO, 0), "semaphore_create");
-
- T_ASSERT_MACH_SUCCESS(semaphore_create(mach_task_self(), &worker_sem,
- SYNC_POLICY_FIFO, 0), "semaphore_create");
-
- size_t ncpu_size = sizeof(g_numcpus);
- T_ASSERT_POSIX_SUCCESS(sysctlbyname("hw.ncpu", &g_numcpus, &ncpu_size, NULL, 0),
- "sysctlbyname(hw.ncpu)");
-
- T_LOG("hw.ncpu: %d\n", g_numcpus);
- uint32_t n_spinners = g_numcpus - 1;
-
- for (uint32_t thread_id = 0; thread_id < n_spinners; thread_id++) {
- threads[thread_id].thread = create_thread(thread_id, THR_SPINNER_PRI,
- true, &spin_thread);
- }
-
- for (uint32_t thread_id = 0; thread_id < n_spinners; thread_id++) {
- T_ASSERT_MACH_SUCCESS(semaphore_wait(worker_sem), "semaphore_wait");
- }
-
- T_ASSERT_MACH_SUCCESS(semaphore_signal_all(semaphore), "semaphore_signal");
-
- dt_stat_time_t seq_load = dt_stat_time_create("sequential read latency (Single CPU)");
- perform_io(seq_load);
- dt_stat_finalize(seq_load);
-
- atomic_store_explicit(&keep_going, 0, memory_order_relaxed);
- for (uint32_t thread_id = 0; thread_id < n_spinners; thread_id++) {
- T_ASSERT_POSIX_ZERO(pthread_join(threads[thread_id].thread, NULL),
- "pthread_join %d", thread_id);
- }
+ io_perf_test_io_init();
+ pthread_setname_np("main thread");
+
+ T_ASSERT_MACH_SUCCESS(mach_timebase_info(&timebase_info), "mach_timebase_info");
+
+ dt_stat_time_t seq_noload = dt_stat_time_create("sequential read latency (CPU idle)");
+ perform_io(seq_noload);
+ dt_stat_finalize(seq_noload);
+
+ /*
+ * We create spinner threads for this test so that all other cores are
+ * busy. That way the I/O issue thread has to context switch to the
+ * IOWorkLoop thread and back for the I/O.
+ */
+ T_ASSERT_MACH_SUCCESS(semaphore_create(mach_task_self(), &semaphore,
+ SYNC_POLICY_FIFO, 0), "semaphore_create");
+
+ T_ASSERT_MACH_SUCCESS(semaphore_create(mach_task_self(), &worker_sem,
+ SYNC_POLICY_FIFO, 0), "semaphore_create");
+
+ size_t ncpu_size = sizeof(g_numcpus);
+ T_ASSERT_POSIX_SUCCESS(sysctlbyname("hw.ncpu", &g_numcpus, &ncpu_size, NULL, 0),
+ "sysctlbyname(hw.ncpu)");
+
+ T_LOG("hw.ncpu: %d\n", g_numcpus);
+ uint32_t n_spinners = g_numcpus - 1;
+
+ for (uint32_t thread_id = 0; thread_id < n_spinners; thread_id++) {
+ threads[thread_id].thread = create_thread(thread_id, THR_SPINNER_PRI,
+ true, &spin_thread);
+ }
+
+ for (uint32_t thread_id = 0; thread_id < n_spinners; thread_id++) {
+ T_ASSERT_MACH_SUCCESS(semaphore_wait(worker_sem), "semaphore_wait");
+ }
+
+ T_ASSERT_MACH_SUCCESS(semaphore_signal_all(semaphore), "semaphore_signal");
+
+ dt_stat_time_t seq_load = dt_stat_time_create("sequential read latency (Single CPU)");
+ perform_io(seq_load);
+ dt_stat_finalize(seq_load);
+
+ atomic_store_explicit(&keep_going, 0, memory_order_relaxed);
+ for (uint32_t thread_id = 0; thread_id < n_spinners; thread_id++) {
+ T_ASSERT_POSIX_ZERO(pthread_join(threads[thread_id].thread, NULL),
+ "pthread_join %d", thread_id);
+ }
projects / apple / xnu.git / blobdiff