int foo(int i) {
apex_profiler_handle profiler = apex_start(APEX_FUNCTION_ADDRESS, &foo);
int j = i * i;
apex_stop(profiler);
profiler = apex_resume(APEX_FUNCTION_ADDRESS, &foo);
int k = j * j;
apex_stop(profiler);
return k;
}
int main(int argc, char **argv)
{
apex_init(argv[0], 0, 1);
num_threads = apex_hardware_concurrency();
total_iterations = num_threads * ITERATIONS;
apex_set_throttle_concurrency(true);
apex_set_throttle_energy(true);
apex_setup_timer_throttling(APEX_FUNCTION_ADDRESS, &foo, APEX_MINIMIZE_ACCUMULATED,
APEX_ACTIVE_HARMONY, 1000000);
int original_cap = apex_get_thread_cap();
apex_profiler_handle p = apex_start(APEX_FUNCTION_ADDRESS, &main);
printf("PID of this process: %d\n", getpid());
int i;
pthread_t * thread = (pthread_t*)calloc(num_threads, sizeof(pthread_t));
int * ids = (int*)calloc(num_threads, sizeof(int));
for (i = 0 ; i < num_threads ; i++) {
ids[i] = i;
pthread_create(&(thread[i]), NULL, someThread, &(ids[i]));
}
for (i = 0 ; i < num_threads ; i++) {
pthread_join(thread[i], NULL);
}
apex_stop(p);
int final_cap = apex_get_thread_cap();
if (final_cap < original_cap) {
printf ("Test passed.\n");
}
apex_finalize();
free(thread);
return(0);
}
void* someThread(void* tmp)
{
int *myid = (int*)tmp;
apex_register_thread("threadTest thread");
apex_profiler_handle p = apex_start(APEX_FUNCTION_ADDRESS, &someThread);
#if defined (__APPLE__)
//printf("The ID of this thread is: %lu\n", (unsigned long)pthread_self());
#else
//printf("The ID of this thread is: %u\n", (unsigned int)pthread_self());
#endif
printf("The scheduler ID of this thread: %d\n", *myid);
while (total_iterations > 0) {
if (*myid >= apex_get_thread_cap()) {
apex_set_state(APEX_THROTTLED);
//printf("Thread %d sleeping for a bit.\n", *myid);
struct timespec tim, tim2;
tim.tv_sec = 0;
tim.tv_nsec = 1000000; // 1/1000 second
// sleep a bit
nanosleep(&tim , &tim2);
apex_set_state(APEX_BUSY);
} else {
foo(total_iterations);
__sync_fetch_and_sub(&(total_iterations),1);
if (total_iterations % 1000 == 0) {
printf("%d iterations left, cap is %d\n", total_iterations, apex_get_thread_cap());
}
}
}
printf("Thread done: %d. Current Cap: %d.\n", *myid, apex_get_thread_cap());
apex_stop(p);
apex_exit_thread();
return NULL;
}
int func(int i) {
char name[128];
sprintf(name, "func %d", i);
apex_profiler_handle profiler = apex_start(APEX_NAME_STRING, name);
int j = i * i;
apex_stop(profiler);
return j;
}
int main (int argc, char** argv) {
apex_init_args(argc, argv, "apex_reset unit test");
apex_set_use_screen_output(1);
printf("APEX Version : %s\n", apex_version());
apex_set_node_id(0);
apex_profiler_handle main_profiler = apex_start(APEX_FUNCTION_ADDRESS,(void*)(main));
int i = 0;
// Call "foo" 30 times
for(i = 0; i < 30; ++i) {
apex_profiler_handle p = apex_start(APEX_NAME_STRING,"foo");
apex_stop(p);
}
// Call "bar" 40 times
for(i = 0; i < 40; ++i) {
apex_profiler_handle p = apex_start(APEX_NAME_STRING,"bar");
apex_stop(p);
}
// Reset everything
apex_reset(APEX_FUNCTION_ADDRESS, APEX_NULL_FUNCTION_ADDRESS);
usleep(100);
// Call "foo" 3 times
for(i = 0; i < 3; ++i) {
apex_profiler_handle p = apex_start(APEX_NAME_STRING,"foo");
apex_stop(p);
}
// Call "bar" 4 times
for(i = 0; i < 4; ++i) {
apex_profiler_handle p = apex_start(APEX_NAME_STRING,"bar");
apex_stop(p);
}
// The profile should show "foo" was called 3 times
// and bar was called 4 times.
// Call "Test Timer" 100 times
for(i = 0; i < 100; ++i) {
apex_profiler_handle p = apex_start(APEX_NAME_STRING,"Test Timer");
apex_stop(p);
}
// Reset "Test Timer"
apex_reset(APEX_NAME_STRING, "Test Timer");
usleep(100);
// Call "Test Timer" 25 times
for(i = 0; i < 25; ++i) {
apex_profiler_handle p = apex_start(APEX_NAME_STRING,"Test Timer");
apex_stop(p);
}
// The profile should show "Test Timer" was called 25 times.
apex_stop(main_profiler);
apex_finalize();
apex_profile * profile = apex_get_profile(APEX_NAME_STRING,"Test Timer");
if (profile) {
printf("Value Reported : %f\n", profile->calls);
if (profile->calls <= 25) { // might be less, some calls might have been missed
printf("Test passed.\n");
}
}
apex_cleanup();
return 0;
}
int main (int argc, char** argv) {
apex_init_args(argc, argv, "apex_start unit test");
apex_profiler_handle profiler = apex_start(APEX_FUNCTION_ADDRESS, &main);
int i,j = 0;
for (i = 0 ; i < 3 ; i++) {
j += foo(i);
}
apex_stop(profiler);
apex_finalize();
apex_cleanup();
return 0;
}
uintptr_t foo(uintptr_t i) {
int j = 0;
apex_profiler_handle profiler = apex_start(APEX_FUNCTION_ADDRESS, &foo);
int x,y;
for (x = 0 ; x < MAX_OUTER ; x++) {
for (y = 0 ; y < MAX_INNER ; y++) {
j += func(x) * func(y) + i;
}
}
apex_stop(profiler);
return j;
}
int main (int argc, char** argv) {
apex_init("apex_resume unit test", 0, 1);
apex_set_use_screen_output(1);
apex_profiler_handle profiler = apex_start(APEX_FUNCTION_ADDRESS, &main);
int i,j = 0;
for (i = 0 ; i < 3 ; i++)
j += foo(i);
apex_stop(profiler);
apex_finalize();
apex_cleanup();
return 0;
}
int foo (int i) {
apex_profiler_handle p = apex_start(APEX_FUNCTION_ADDRESS, &foo);
int j = i*i;
double randval = 1.0 + (((double)(rand())) / RAND_MAX);
struct timespec tim, tim2;
tim.tv_sec = 0;
// sleep just a bit longer, based on number of active threads.
int cap = MIN(num_threads,apex_get_thread_cap());
tim.tv_nsec = (unsigned long)(SLEEPY_TIME * randval * (cap * cap));
nanosleep(&tim , &tim2);
apex_stop(p);
return j;
}
void* someThread(void* tmp)
{
UNUSED(tmp);
apex_register_thread("threadTest thread");
apex_profiler_handle profiler = apex_start(APEX_FUNCTION_ADDRESS,(void*)&someThread);
printf("PID of this process: %d\n", getpid());
#if defined (__APPLE__)
printf("The ID of this thread is: %lu\n", (unsigned long)pthread_self());
#else
printf("The ID of this thread is: %u\n", (unsigned int)pthread_self());
#endif
apex_stop(profiler);
apex_exit_thread();
return NULL;
}
void* someThread(void* tmp)
{
apex_register_thread("threadTest thread");
apex_custom_event(custom_type_1, NULL);
apex_sample_value("some value", 42);
apex_profiler_handle my_profiler = apex_start(APEX_FUNCTION_ADDRESS, &someThread);
int i = 0;
for (i = 0 ; i < ITERATIONS ; i++) {
foo(i);
}
apex_custom_event(custom_type_2, NULL);
apex_stop(my_profiler);
apex_exit_thread();
return NULL;
}
int foo (int i) {
static __thread apex_profiler_handle my_profiler;
if (i % 2 == 0) {
my_profiler = apex_start(APEX_FUNCTION_ADDRESS, &foo);
} else {
my_profiler = apex_resume(APEX_FUNCTION_ADDRESS, &foo);
}
int result = i*i;
if (i % 2 == 0) {
apex_yield(my_profiler);
} else {
apex_stop(my_profiler);
}
return result;
}
int main(int argc, char **argv)
{
apex_init_args(argc, argv, "apex_exit_thread unit test");
apex_set_node_id(0);
apex_profiler_handle profiler = apex_start(APEX_FUNCTION_ADDRESS,(void*)&main);
pthread_t * thread = (pthread_t*)(malloc(sizeof(pthread_t) * NUM_THREADS));
int i;
for (i = 0 ; i < NUM_THREADS ; i++) {
pthread_create(&(thread[i]), NULL, someThread, NULL);
}
for (i = 0 ; i < NUM_THREADS ; i++) {
pthread_join(thread[i], NULL);
}
apex_stop(profiler);
apex_finalize();
return(0);
}
void * fib (void * in) {
apex_register_thread("fib thread");
apex_profiler_handle p = apex_start(APEX_FUNCTION_ADDRESS, &fib);
scratchpad_t* scratch = (scratchpad_t*)(in);
if (scratch->x == 0) {
scratch->f_x = 0;
apex_stop(p);
apex_exit_thread();
pthread_exit(NULL);
}
else if (scratch->x == 1) {
scratch->f_x = 1;
apex_stop(p);
apex_exit_thread();
pthread_exit(NULL);
}
scratchpad_t a;
a.x = (scratch->x)-1;
a.f_x = 0;
pthread_attr_t attr_a;
pthread_attr_init(&attr_a);
//pthread_attr_setstacksize(&attr_a, PTHREAD_STACK_MIN);
pthread_t thread_a;
int rc_a = pthread_create(&thread_a, &attr_a, fib, (void*)&a);
if (rc_a == EAGAIN) {
//printf("Insufficient resources to create another thread. \n EAGAIN A system-imposed limit on the number of threads was encountered. There are a number of limits that may trigger this error: the RLIMIT_NPROC soft resource limit (set via setrlimit(2)), which limits the number of processes and threads for a real user ID, was reached; the kernel's system- wide limit on the number of processes and threads, /proc/sys/kernel/threads-max, was reached (see proc(5)); or the maximum number of PIDs, /proc/sys/kernel/pid_max, was reached (see proc(5)).");
} else if (rc_a == EINVAL) {
//printf("Invalid settings in attr.");
} else if (rc_a == EPERM) {
//printf("No permission to set the scheduling policy and parameters specified in attr.");
}
pthread_attr_destroy(&attr_a);
scratchpad_t b;
b.x = (scratch->x)-2;
b.f_x = 0;
pthread_attr_t attr_b;
pthread_attr_init(&attr_b);
//pthread_attr_setstacksize(&attr_b, PTHREAD_STACK_MIN);
pthread_t thread_b;
int rc_b = pthread_create(&thread_b,&attr_b,fib,(void*)&b);
if (rc_b == EAGAIN) {
//printf("Insufficient resources to create another thread. \n EAGAIN A system-imposed limit on the number of threads was encountered. There are a number of limits that may trigger this error: the RLIMIT_NPROC soft resource limit (set via setrlimit(2)), which limits the number of processes and threads for a real user ID, was reached; the kernel's system- wide limit on the number of processes and threads, /proc/sys/kernel/threads-max, was reached (see proc(5)); or the maximum number of PIDs, /proc/sys/kernel/pid_max, was reached (see proc(5)).");
} else if (rc_b == EINVAL) {
//printf("Invalid settings in attr.");
} else if (rc_b == EPERM) {
//printf("No permission to set the scheduling policy and parameters specified in attr.");
}
pthread_attr_destroy(&attr_a);
if (rc_a > 0) {
// thread failed, just execute.
fib((void*)&a);
//a.f_x == fib_results[a.x];
} else {
pthread_join(thread_a,NULL);
}
if (rc_b > 0) {
// thread failed, just execute.
fib((void*)&b);
//b.f_x == fib_results[b.x];
} else {
pthread_join(thread_b,NULL);
}
if (a.f_x != fib_results[a.x]) {
printf("WRONG! fib of %d is NOT %d (valid value: %d)\n", a.x, a.f_x, fib_results[a.x]);
a.f_x = fib_results[a.x];
}
if (b.f_x != fib_results[b.x]) {
printf("WRONG! fib of %d is NOT %d (valid value: %d)\n", b.x, b.f_x, fib_results[b.x]);
b.f_x = fib_results[b.x];
}
scratch->f_x = a.f_x + b.f_x;
apex_stop(p);
apex_exit_thread();
pthread_exit(NULL);
}
int main (int argc, char** argv) {
apex_init("apex_get_idle_rate unit test", 0, 1);
apex_set_use_screen_output(1);
printf("APEX Version : %s\n", apex_version());
apex_profiler_handle main_profiler = apex_start(APEX_FUNCTION_ADDRESS,(void*)(main));
int i = 0;
// Call "foo" 30 times
for(i = 0; i < 30; ++i) {
apex_profiler_handle p = apex_start(APEX_NAME_STRING,"foo");
apex_stop(p);
}
// Call "bar" 40 times
for(i = 0; i < 40; ++i) {
apex_profiler_handle p = apex_start(APEX_NAME_STRING,"bar");
apex_stop(p);
}
// suspend measurement
apex_set_papi_suspend(true);
usleep(100);
// Call "foo" 3 times
for(i = 0; i < 3; ++i) {
apex_profiler_handle p = apex_start(APEX_NAME_STRING,"foo");
apex_stop(p);
}
// Call "bar" 4 times
for(i = 0; i < 4; ++i) {
apex_profiler_handle p = apex_start(APEX_NAME_STRING,"bar");
apex_stop(p);
}
// The profile should show "foo" was called 3 times
// and bar was called 4 times.
// Call "Test Timer" 100 times
for(i = 0; i < 100; ++i) {
apex_profiler_handle p = apex_start(APEX_NAME_STRING,"Test Timer");
apex_stop(p);
}
// resume measurement
apex_set_papi_suspend(false);
usleep(100);
// Call "Test Timer" 25 times
for(i = 0; i < 25; ++i) {
apex_profiler_handle p = apex_start(APEX_NAME_STRING,"Test Timer");
apex_stop(p);
}
bool passed = true;
// The profile should show special "APEX Idle Time" counter.
apex_profile * profile = apex_get_profile(APEX_NAME_STRING,APEX_IDLE_TIME);
if (profile) {
printf("Idle time reported : %f\n", profile->accumulated);
if (profile->accumulated >= 0.0) { // might be less, some calls might have been missed
} else { passed = false; }
}
// The profile should show special "APEX Non-Idle Time" counter.
profile = apex_get_profile(APEX_NAME_STRING,APEX_NON_IDLE_TIME);
if (profile) {
printf("Non-Idle time reported : %f\n", profile->accumulated);
if (profile->accumulated >= 0.0) { // might be less, some calls might have been missed
} else { passed = false; }
}
// The profile should show special "APEX Idle Rate" counter.
profile = apex_get_profile(APEX_NAME_STRING,APEX_IDLE_RATE);
if (profile) {
printf("Idle rate reported : %f\n", profile->accumulated);
if (profile->accumulated >= 0.0) { // might be less, some calls might have been missed
} else { passed = false; }
}
apex_stop(main_profiler);
// The profile should show special "APEX Idle Time" counter.
profile = apex_get_profile(APEX_NAME_STRING,APEX_IDLE_TIME);
if (profile) {
printf("Idle time reported : %f\n", profile->accumulated);
if (profile->accumulated >= 0.0) { // might be less, some calls might have been missed
} else { passed = false; }
}
// The profile should show special "APEX Non-Idle Time" counter.
profile = apex_get_profile(APEX_NAME_STRING,APEX_NON_IDLE_TIME);
if (profile) {
printf("Non-Idle time reported : %f\n", profile->accumulated);
if (profile->accumulated >= 0.0) { // might be less, some calls might have been missed
} else { passed = false; }
}
profile = apex_get_profile(APEX_NAME_STRING,APEX_IDLE_RATE);
if (profile) {
printf("Idle rate reported : %f\n", profile->accumulated);
if (profile->accumulated >= 0.0) { // might be less, some calls might have been missed
} else { passed = false; }
}
apex_finalize();
// The profile should show special "APEX Idle Time" counter.
profile = apex_get_profile(APEX_NAME_STRING,APEX_IDLE_TIME);
if (profile) {
printf("Idle time reported : %f\n", profile->accumulated);
if (profile->accumulated >= 0.0) { // might be less, some calls might have been missed
} else { passed = false; }
}
// The profile should show special "APEX Non-Idle Time" counter.
profile = apex_get_profile(APEX_NAME_STRING,APEX_NON_IDLE_TIME);
if (profile) {
printf("Non-Idle time reported : %f\n", profile->accumulated);
if (profile->accumulated >= 0.0) { // might be less, some calls might have been missed
} else { passed = false; }
}
profile = apex_get_profile(APEX_NAME_STRING,APEX_IDLE_RATE);
if (profile) {
printf("Idle rate reported : %f\n", profile->accumulated);
if (profile->accumulated >= 0.0) { // might be less, some calls might have been missed
} else { passed = false; }
}
profile = apex_get_profile(APEX_NAME_STRING,"Test Timer");
if (profile) {
printf("Value Reported : %f\n", profile->calls);
if (profile->calls > 25) { // might be less, some calls might have been missed
passed = false;
}
}
profile = apex_get_profile(APEX_NAME_STRING,"foo");
if (profile) {
printf("Value Reported : %f\n", profile->calls);
if (profile->calls > 30) { // might be less, some calls might have been missed
passed = false;
}
}
profile = apex_get_profile(APEX_NAME_STRING,"bar");
if (profile) {
printf("Value Reported : %f\n", profile->calls);
if (profile->calls > 40) { // might be less, some calls might have been missed
passed = false;
}
}
if (passed) {
printf("Test passed.\n");
}
apex_cleanup();
return 0;
}
int main(int argc, char **argv)
{
apex_policy_handle * on_startup = apex_register_policy(APEX_STARTUP, startup_policy);
apex_policy_handle * on_shutdown = apex_register_policy(APEX_SHUTDOWN, policy_event);
apex_policy_handle * on_new_node = apex_register_policy(APEX_NEW_NODE, policy_event);
apex_policy_handle * on_new_thread = apex_register_policy(APEX_NEW_THREAD, policy_event);
apex_init_args(argc, argv, NULL);
apex_set_node_id(0);
apex_policy_handle * on_start_event = apex_register_policy(APEX_START_EVENT, policy_event);
apex_policy_handle * on_stop_event = apex_register_policy(APEX_STOP_EVENT, policy_event);
apex_policy_handle * on_resume_event = apex_register_policy(APEX_RESUME_EVENT, policy_event);
apex_policy_handle * on_yield_event = apex_register_policy(APEX_YIELD_EVENT, policy_event);
apex_policy_handle * on_sample_value = apex_register_policy(APEX_SAMPLE_VALUE, policy_event);
custom_type_1 = apex_register_custom_event("CUSTOM 1");
custom_type_2 = apex_register_custom_event("CUSTOM 2");
apex_policy_handle * on_custom_event_1 = apex_register_policy(custom_type_1, policy_event);
apex_policy_handle * on_custom_event_2 = apex_register_policy(custom_type_2, policy_event);
apex_policy_handle * on_periodic = apex_register_periodic_policy(1000000, policy_periodic);
apex_profiler_handle my_profiler = apex_start(APEX_FUNCTION_ADDRESS, &main);
pthread_t thread[NUM_THREADS];
int i;
for (i = 0 ; i < NUM_THREADS ; i++) {
pthread_create(&(thread[i]), NULL, someThread, NULL);
}
for (i = 0 ; i < NUM_THREADS ; i++) {
pthread_join(thread[i], NULL);
}
// now un-register the policies
printf("Deregistering %d...\n", on_startup->id);
printf("Deregistering %d...\n", on_shutdown->id);
printf("Deregistering %d...\n", on_new_node->id);
printf("Deregistering %d...\n", on_new_thread->id);
printf("Deregistering %d...\n", on_start_event->id);
printf("Deregistering %d...\n", on_stop_event->id);
printf("Deregistering %d...\n", on_resume_event->id);
printf("Deregistering %d...\n", on_yield_event->id);
printf("Deregistering %d...\n", on_sample_value->id);
printf("Deregistering %d...\n", on_custom_event_1->id);
printf("Deregistering %d...\n", on_custom_event_2->id);
printf("Deregistering %d...\n", on_periodic->id);
apex_deregister_policy(on_startup);
apex_deregister_policy(on_shutdown);
apex_deregister_policy(on_new_node);
apex_deregister_policy(on_new_thread);
apex_deregister_policy(on_start_event);
apex_deregister_policy(on_stop_event);
apex_deregister_policy(on_resume_event);
apex_deregister_policy(on_yield_event);
apex_deregister_policy(on_sample_value);
apex_deregister_policy(on_custom_event_1);
apex_deregister_policy(on_custom_event_2);
apex_deregister_policy(on_periodic);
printf("Running without policies now...\n");
for (i = 0 ; i < NUM_THREADS ; i++) {
pthread_create(&(thread[i]), NULL, someThread, NULL);
}
for (i = 0 ; i < NUM_THREADS ; i++) {
pthread_join(thread[i], NULL);
}
apex_stop(my_profiler);
apex_finalize();
return(0);
}