arm64/fp/fp-stress.c

62 	int ret, pipefd[2], i;
65 	ret = pipe(pipefd);
66 	if (ret != 0)
80 		ret = dup2(pipefd[1], 1);
81 		if (ret == -1) {
90 		ret = dup2(startup_pipe[0], 3);
91 		if (ret == -1) {
108 		ret = read(3, &i, sizeof(i));
109 		if (ret < 0)
112 		if (ret > 0)
114 				ret);
117 		ret = execl(program, program, NULL);
136 		ret = epoll_ctl(epoll_fd, EPOLL_CTL_ADD, child->stdout, &ev);
137 		if (ret < 0) {
148 	int ret, len, cur_work, cur_read;
150 	ret = read(child->stdout, read_data, sizeof(read_data));
151 	if (ret < 0) {
160 	len = ret;
189 		ret = asprintf(&child->output, "%s", work);
190 		if (ret == -1)
235 	pid_t ret;
241 			ret = waitpid(child->pid, &status, 0);
242 			if (ret == -1 && errno == EINTR)
245 			if (ret == -1) {
311 	int ret;
313 	ret = asprintf(&child->name, "FPSIMD-%d-%d", cpu, copy);
314 	if (ret == -1)
324 	int ret;
326 	ret = prctl(PR_SVE_SET_VL, vl | PR_SVE_VL_INHERIT);
327 	if (ret < 0)
330 	ret = asprintf(&child->name, "SVE-VL-%d-%d", vl, cpu);
331 	if (ret == -1)
341 	int ret;
343 	ret = asprintf(&child->name, "SSVE-VL-%d-%d", vl, cpu);
344 	if (ret == -1)
347 	ret = prctl(PR_SME_SET_VL, vl | PR_SME_VL_INHERIT);
348 	if (ret < 0)
349 		ksft_exit_fail_msg("Failed to set SME VL %d\n", ret);
358 	int ret;
360 	ret = prctl(PR_SME_SET_VL, vl | PR_SVE_VL_INHERIT);
361 	if (ret < 0)
362 		ksft_exit_fail_msg("Failed to set SME VL %d\n", ret);
364 	ret = asprintf(&child->name, "ZA-VL-%d-%d", vl, cpu);
365 	if (ret == -1)
375 	int ret;
377 	ret = asprintf(&child->name, "ZT-%d", cpu);
378 	if (ret == -1)
414 	int ret = 1;
417 	while (ret > 0) {
418 		ret = epoll_wait(epoll_fd, evs, tests, 0);
419 		if (ret < 0) {
426 		for (i = 0; i < ret; i++)
438 	int ret;
451 			ret = sscanf(optarg, "%d", &timeout);
452 			if (ret != 1)
508 	ret = epoll_create1(EPOLL_CLOEXEC);
509 	if (ret < 0)
511 				   strerror(errno), ret);
512 	epoll_fd = ret;
515 	ret = pipe(startup_pipe);
516 	if (ret != 0)
525 	ret = sigaction(SIGINT, &sa, NULL);
526 	if (ret < 0)
529 	ret = sigaction(SIGTERM, &sa, NULL);
530 	if (ret < 0)
534 	ret = sigaction(SIGCHLD, &sa, NULL);
535 	if (ret < 0)
580 		ret = epoll_wait(epoll_fd, evs, tests, 1000);
581 		if (ret < 0) {
589 		if (ret > 0) {
590 			for (i = 0; i < ret; i++) {