Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 3fa72f2c authored by Shuah Khan's avatar Shuah Khan
Browse files

selftests: breakpoints: step_after_suspend_test use ksft_* var arg msg api 



Use ksft_* var arg msg to include strerror() info. in test output and
simplify test_result and exit_* using var arg msg api.

Signed-off-by: default avatarShuah Khan <shuahkh@osg.samsung.com>
parent 4ca56287

tools/testing/selftests/breakpoints/step_after_suspend_test.c

+33 −26
Original line number Diff line number Diff line
@@ -37,17 +37,19 @@ void child(int cpu) 
	CPU_ZERO(&set);

	CPU_SET(cpu, &set);

	if (sched_setaffinity(0, sizeof(set), &set) != 0) {

		perror("sched_setaffinity() failed");

		ksft_print_msg("sched_setaffinity() failed: %s\n",

			strerror(errno));

		_exit(1);

	}



	if (ptrace(PTRACE_TRACEME, 0, NULL, NULL) != 0) {

		perror("ptrace(PTRACE_TRACEME) failed");

		ksft_print_msg("ptrace(PTRACE_TRACEME) failed: %s\n",

			strerror(errno));

		_exit(1);

	}



	if (raise(SIGSTOP) != 0) {

		perror("raise(SIGSTOP) failed");

		ksft_print_msg("raise(SIGSTOP) failed: %s\n", strerror(errno));

		_exit(1);

	}
@@ -61,7 +63,7 @@ bool run_test(int cpu) 
	pid_t wpid;



	if (pid < 0) {

		perror("fork() failed");

		ksft_print_msg("fork() failed: %s\n", strerror(errno));

		return false;

	}

	if (pid == 0)
@@ -69,57 +71,64 @@ bool run_test(int cpu) 


	wpid = waitpid(pid, &status, __WALL);

	if (wpid != pid) {

		perror("waitpid() failed");

		ksft_print_msg("waitpid() failed: %s\n", strerror(errno));

		return false;

	}

	if (!WIFSTOPPED(status)) {

		printf("child did not stop\n");

		ksft_print_msg("child did not stop: %s\n", strerror(errno));

		return false;

	}

	if (WSTOPSIG(status) != SIGSTOP) {

		printf("child did not stop with SIGSTOP\n");

		ksft_print_msg("child did not stop with SIGSTOP: %s\n",

			strerror(errno));

		return false;

	}



	if (ptrace(PTRACE_SINGLESTEP, pid, NULL, NULL) < 0) {

		if (errno == EIO) {

			ksft_exit_skip("ptrace(PTRACE_SINGLESTEP) "

				"not supported on this architecture");

			ksft_exit_skip(

				"ptrace(PTRACE_SINGLESTEP) not supported on this architecture: %s\n",

				strerror(errno));

		}

		perror("ptrace(PTRACE_SINGLESTEP) failed");

		ksft_print_msg("ptrace(PTRACE_SINGLESTEP) failed: %s\n",

			strerror(errno));

		return false;

	}



	wpid = waitpid(pid, &status, __WALL);

	if (wpid != pid) {

		perror("waitpid() failed");

		ksft_print_msg("waitpid() failed: $s\n", strerror(errno));

		return false;

	}

	if (WIFEXITED(status)) {

		printf("child did not single-step\n");

		ksft_print_msg("child did not single-step: %s\n",

			strerror(errno));

		return false;

	}

	if (!WIFSTOPPED(status)) {

		printf("child did not stop\n");

		ksft_print_msg("child did not stop: %s\n", strerror(errno));

		return false;

	}

	if (WSTOPSIG(status) != SIGTRAP) {

		printf("child did not stop with SIGTRAP\n");

		ksft_print_msg("child did not stop with SIGTRAP: %s\n",

			strerror(errno));

		return false;

	}



	if (ptrace(PTRACE_CONT, pid, NULL, NULL) < 0) {

		perror("ptrace(PTRACE_CONT) failed");

		ksft_print_msg("ptrace(PTRACE_CONT) failed: %s\n",

			strerror(errno));

		return false;

	}



	wpid = waitpid(pid, &status, __WALL);

	if (wpid != pid) {

		perror("waitpid() failed");

		ksft_print_msg("waitpid() failed: %s\n", strerror(errno));

		return false;

	}

	if (!WIFEXITED(status)) {

		printf("child did not exit after PTRACE_CONT\n");

		ksft_print_msg("child did not exit after PTRACE_CONT: %s\n",

			strerror(errno));

		return false;

	}
@@ -137,19 +146,19 @@ void suspend(void) 
	power_state_fd = open("/sys/power/state", O_RDWR);

	if (power_state_fd < 0)

		ksft_exit_fail_msg(

			"open(\"/sys/power/state\") failed (is this test running as root?)");

			"open(\"/sys/power/state\") failed (is this test running as root?)\n");



	timerfd = timerfd_create(CLOCK_BOOTTIME_ALARM, 0);

	if (timerfd < 0)

		ksft_exit_fail_msg("timerfd_create() failed");

		ksft_exit_fail_msg("timerfd_create() failed\n");



	spec.it_value.tv_sec = 5;

	err = timerfd_settime(timerfd, 0, &spec, NULL);

	if (err < 0)

		ksft_exit_fail_msg("timerfd_settime() failed");

		ksft_exit_fail_msg("timerfd_settime() failed\n");



	if (write(power_state_fd, "mem", strlen("mem")) != strlen("mem"))

		ksft_exit_fail_msg("entering suspend failed");

		ksft_exit_fail_msg("Failed to enter Suspend state\n");



	close(timerfd);

	close(power_state_fd);
@@ -163,7 +172,6 @@ int main(int argc, char **argv) 
	cpu_set_t available_cpus;

	int err;

	int cpu;

	char buf[10];



	ksft_print_header();
@@ -184,7 +192,7 @@ int main(int argc, char **argv) 


	err = sched_getaffinity(0, sizeof(available_cpus), &available_cpus);

	if (err < 0)

		ksft_exit_fail_msg("sched_getaffinity() failed");

		ksft_exit_fail_msg("sched_getaffinity() failed\n");



	for (cpu = 0; cpu < CPU_SETSIZE; cpu++) {

		bool test_success;
@@ -193,11 +201,10 @@ int main(int argc, char **argv) 
			continue;



		test_success = run_test(cpu);

		sprintf(buf, "CPU %d", cpu);

		if (test_success) {

			ksft_test_result_pass(buf);

			ksft_test_result_pass("CPU %d\n", cpu);

		} else {

			ksft_test_result_fail(buf);

			ksft_test_result_fail("CPU %d\n", cpu);

			succeeded = false;

		}

	}