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#include <cpu.h>
#include <graphics/lfb.h>
#include <sys/schedule.h>
#include <usr/math.h>
#include <usr/string.h>
#include <util/mutex.h>
#define MAX_ITER 8192
#define MULTIPLIER 1000000/900
static unsigned long ti, tf;
static unsigned long times[MAX_ITER];
static unsigned long idx = 0;
void test_results(unsigned long off)
{
unsigned long mean=0, stdev=0, max=0;
for (unsigned long i = 0; i < MAX_ITER; i++) {
mean += times[i];
if (times[i] > max)
max = times[i];
}
mean /= MAX_ITER;
for (unsigned long i = 0; i < MAX_ITER; i++) {
unsigned long term = (times[i]-mean)*(times[i]-mean)/MAX_ITER;
stdev += term;
}
stdev = sqrt_rnd(stdev);
char str[] = " ns\0";
char* start;
start = ulong_to_string(mean, str);
draw_string(off*15, 12, start);
start = ulong_to_string(stdev, str);
draw_string(off*15, 13, start);
start = ulong_to_string(max, str);
draw_string(off*15, 14, start);
}
void nopfxn(void) {}
void trace_test(void)
{
sys0_32(SYS_TIME_2, &ti);
sys0_32(SYS_TIME_2, &tf);
times[idx++] = (tf-ti)*MULTIPLIER;
}
void switch_test(void)
{
sys0_32(SYS_TIME_2, &ti);
sys0(SYS_YIELD);
sys0_32(SYS_TIME_2, &tf);
times[idx++] = (tf-ti)*MULTIPLIER;
}
void add_low_test(void)
{
sys0_32(SYS_TIME_2, &ti);
add_thread(nopfxn, 0, 6);
sys0_32(SYS_TIME_2, &tf);
times[idx++] = (tf-ti)*MULTIPLIER;
}
void add_high_test(void)
{
sys0_32(SYS_TIME_2, &ti);
add_thread(nopfxn, 0, 1);
sys0_32(SYS_TIME_2, &tf);
times[idx++] = (tf-ti)*MULTIPLIER;
}
void mutex_create_test(void)
{
struct Mutex* m;
sys0_32(SYS_TIME_2, &ti);
m = create_mutex(0);
sys0_32(SYS_TIME_2, &tf);
delete_mutex(m);
times[idx++] = (tf-ti)*MULTIPLIER;
}
void mutex_delete_test(void)
{
struct Mutex* m = create_mutex(0);
sys0_32(SYS_TIME_2, &ti);
delete_mutex(m);
sys0_32(SYS_TIME_2, &tf);
times[idx++] = (tf-ti)*MULTIPLIER;
}
void mutex_lock_test(struct Mutex* m)
{
sys0_32(SYS_TIME_2, &ti);
lock_mutex(m);
sys0_32(SYS_TIME_2, &tf);
unlock_mutex(m);
times[idx++] = (tf-ti)*MULTIPLIER;
}
void mutex_unlock_test(struct Mutex* m)
{
lock_mutex(m);
sys0_32(SYS_TIME_2, &ti);
unlock_mutex(m);
sys0_32(SYS_TIME_2, &tf);
times[idx++] = (tf-ti)*MULTIPLIER;
}
void semaphore_p_test(unsigned long* sem)
{
sys0_32(SYS_TIME_2, &ti);
sys1(SYS_SEMAPHORE_P, sem);
sys0_32(SYS_TIME_2, &tf);
times[idx++] = (tf-ti)*MULTIPLIER;
}
void semaphore_v_test(unsigned long* sem)
{
sys0_32(SYS_TIME_2, &ti);
sys1(SYS_SEMAPHORE_V, sem);
sys0_32(SYS_TIME_2, &tf);
times[idx++] = (tf-ti)*MULTIPLIER;
}
void test_super(void)
{
for (unsigned long i = 0; i < MAX_ITER; i++) {
add_thread(trace_test, 0, 2);
}
add_thread(test_results,(void*) 0, 0);idx = 0;
for (unsigned long i = 0; i < MAX_ITER; i++) {
add_thread(switch_test, 0, 2);
}
add_thread(test_results,(void*) 1, 0);idx = 0;
for (unsigned long i = 0; i < MAX_ITER; i++) {
add_thread(add_low_test, 0, 2);
}
add_thread(test_results,(void*) 2, 0);idx = 0;
for (unsigned long i = 0; i < MAX_ITER; i++) {
add_thread(add_high_test, 0, 2);
}
add_thread(test_results,(void*) 3, 0);idx = 0;
struct Mutex* m;
for (unsigned long i = 0; i < MAX_ITER; i++) {
add_thread(mutex_create_test, 0, 2);
}
add_thread(test_results,(void*) 4, 0);idx = 0;
for (unsigned long i = 0; i < MAX_ITER; i++) {
add_thread(mutex_delete_test, 0, 2);
}
add_thread(test_results,(void*) 5, 0);idx = 0;
for (unsigned long i = 0; i < MAX_ITER; i++) {
m = create_mutex(0);
lock_mutex(m);
add_thread(mutex_lock_test, 0, 2);
unlock_mutex(m);
delete_mutex(m);
}
add_thread(test_results,(void*) 6, 0);idx = 0;
for (unsigned long i = 0; i < MAX_ITER; i++) {
m = create_mutex(0);
add_thread(mutex_lock_test, 0, 2);
delete_mutex(m);
}
add_thread(test_results,(void*) 7, 0);idx = 0;
for (unsigned long i = 0; i < MAX_ITER; i++) {
m = create_mutex(0);
add_thread(mutex_unlock_test, 0, 2);
delete_mutex(m);
}
add_thread(test_results,(void*) 8, 0);idx = 0;
static unsigned long semp = 0;
for (unsigned long i = 0; i < MAX_ITER; i++) {
semp = 1;
add_thread(semaphore_p_test, &semp, 2);
}
add_thread(test_results,(void*) 9, 0);idx = 0;
for (unsigned long i = 0; i < MAX_ITER; i++) {
semp = 0;
add_thread(semaphore_v_test, &semp, 2);
}
add_thread(test_results,(void*) 10, 0);idx = 0;
for (unsigned long i = 0; i < MAX_ITER; i++) {
semp = 1;
add_thread(semaphore_v_test, &semp, 2);
}
add_thread(test_results,(void*) 11, 0);idx = 0;
}
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