int main(int argc, char **argv)
{
int fd = drm_open_any();
int size = 0;
int busy = 0;
int reps = 13;
int c, n, s;
while ((c = getopt (argc, argv, "bs:r:")) != -1) {
switch (c) {
case 's':
size = atoi(optarg);
break;
case 'r':
reps = atoi(optarg);
if (reps < 1)
reps = 1;
break;
case 'b':
busy = true;
break;
default:
break;
}
}
if (size == 0) {
for (s = 4096; s <= OBJECT_SIZE; s <<= 1) {
igt_stats_t stats;
igt_stats_init_with_size(&stats, reps);
for (n = 0; n < reps; n++) {
struct timespec start, end;
uint64_t count = 0;
clock_gettime(CLOCK_MONOTONIC, &start);
do {
for (c = 0; c < 1000; c++) {
uint32_t handle;
handle = gem_create(fd, s);
gem_set_domain(fd, handle,
I915_GEM_DOMAIN_GTT,
I915_GEM_DOMAIN_GTT);
if (busy)
make_busy(fd, handle);
gem_close(fd, handle);
}
count += c;
clock_gettime(CLOCK_MONOTONIC, &end);
} while (end.tv_sec - start.tv_sec < 2);
igt_stats_push_float(&stats, count / elapsed(&start, &end));
}
printf("%f\n", igt_stats_get_trimean(&stats));
igt_stats_fini(&stats);
}
} else {
for (n = 0; n < reps; n++) {
struct timespec start, end;
uint64_t count = 0;
clock_gettime(CLOCK_MONOTONIC, &start);
do {
for (c = 0; c < 1000; c++) {
uint32_t handle;
handle = gem_create(fd, size);
gem_set_domain(fd, handle,
I915_GEM_DOMAIN_GTT,
I915_GEM_DOMAIN_GTT);
if (busy)
make_busy(fd, handle);
gem_close(fd, handle);
}
count += c;
clock_gettime(CLOCK_MONOTONIC, &end);
} while (end.tv_sec - start.tv_sec < 2);
printf("%f\n", count / elapsed(&start, &end));
}
}
return 0;
}
int main(int argc, char **argv)
{
int fd = drm_open_driver(DRIVER_INTEL);
enum map {CPU, GTT, WC} map = CPU;
enum dir {READ, WRITE, CLEAR, FAULT} dir = READ;
int tiling = I915_TILING_NONE;
void *buf = malloc(OBJECT_SIZE);
uint32_t handle;
void *ptr, *src, *dst;
int reps = 13;
int c, size;
while ((c = getopt (argc, argv, "m:d:r:t:")) != -1) {
switch (c) {
case 'm':
if (strcmp(optarg, "cpu") == 0)
map = CPU;
else if (strcmp(optarg, "gtt") == 0)
map = GTT;
else if (strcmp(optarg, "wc") == 0)
map = WC;
else
abort();
break;
case 'd':
if (strcmp(optarg, "read") == 0)
dir = READ;
else if (strcmp(optarg, "write") == 0)
dir = WRITE;
else if (strcmp(optarg, "clear") == 0)
dir = CLEAR;
else if (strcmp(optarg, "fault") == 0)
dir = FAULT;
else
abort();
break;
case 't':
if (strcmp(optarg, "x") == 0)
tiling = I915_TILING_X;
else if (strcmp(optarg, "y") == 0)
tiling = I915_TILING_Y;
else if (strcmp(optarg, "none") == 0)
tiling = I915_TILING_NONE;
else
abort();
break;
case 'r':
reps = atoi(optarg);
if (reps < 1)
reps = 1;
break;
default:
break;
}
}
handle = gem_create(fd, OBJECT_SIZE);
switch (map) {
case CPU:
ptr = gem_mmap__cpu(fd, handle, 0, OBJECT_SIZE, PROT_WRITE);
gem_set_domain(fd, handle, I915_GEM_DOMAIN_CPU, I915_GEM_DOMAIN_CPU);
break;
case GTT:
ptr = gem_mmap__gtt(fd, handle, OBJECT_SIZE, PROT_WRITE);
gem_set_domain(fd, handle, I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT);
break;
case WC:
ptr = gem_mmap__wc(fd, handle, 0, OBJECT_SIZE, PROT_WRITE);
gem_set_domain(fd, handle, I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT);
break;
default:
abort();
}
gem_set_tiling(fd, handle, tiling, 512);
if (dir == READ) {
src = ptr;
dst = buf;
} else {
src = buf;
dst = ptr;
}
for (size = 1; size <= OBJECT_SIZE; size <<= 1) {
igt_stats_t stats;
int n;
igt_stats_init_with_size(&stats, reps);
for (n = 0; n < reps; n++) {
struct timespec start, end;
int page;
clock_gettime(CLOCK_MONOTONIC, &start);
switch (dir) {
case CLEAR:
memset(dst, 0, size);
break;
case FAULT:
for (page = 0; page < OBJECT_SIZE; page += 4096) {
uint32_t *x = (uint32_t *)ptr + page/4;
page += *x; /* should be zero! */
}
break;
default:
memcpy(dst, src, size);
break;
}
clock_gettime(CLOCK_MONOTONIC, &end);
igt_stats_push(&stats, elapsed(&start, &end));
}
printf("%7.3f\n", igt_stats_get_trimean(&stats)/1000);
igt_stats_fini(&stats);
}
return 0;
}
int main(int argc, char **argv)
{
int fd = drm_open_driver(DRIVER_INTEL);
int domain = I915_GEM_DOMAIN_GTT;
enum dir { READ, WRITE } dir = READ;
void *buf = malloc(OBJECT_SIZE);
uint32_t handle;
int reps = 13;
int c, size;
while ((c = getopt (argc, argv, "D:d:r:")) != -1) {
switch (c) {
case 'd':
if (strcmp(optarg, "cpu") == 0)
domain = I915_GEM_DOMAIN_CPU;
else if (strcmp(optarg, "gtt") == 0)
domain = I915_GEM_DOMAIN_GTT;
break;
case 'D':
if (strcmp(optarg, "read") == 0)
dir = READ;
else if (strcmp(optarg, "write") == 0)
dir = WRITE;
else
abort();
break;
case 'r':
reps = atoi(optarg);
if (reps < 1)
reps = 1;
break;
default:
break;
}
}
handle = gem_create(fd, OBJECT_SIZE);
for (size = 1; size <= OBJECT_SIZE; size <<= 1) {
igt_stats_t stats;
int n;
igt_stats_init_with_size(&stats, reps);
for (n = 0; n < reps; n++) {
struct timespec start, end;
gem_set_domain(fd, handle, domain, domain);
clock_gettime(CLOCK_MONOTONIC, &start);
if (dir == READ)
gem_read(fd, handle, 0, buf, size);
else
gem_write(fd, handle, 0, buf, size);
clock_gettime(CLOCK_MONOTONIC, &end);
igt_stats_push(&stats, elapsed(&start, &end));
}
printf("%7.3f\n", igt_stats_get_trimean(&stats)/1000);
igt_stats_fini(&stats);
}
return 0;
}