diff options
| -rw-r--r-- | tests/gem_fence_thrash.c | 145 |
1 files changed, 126 insertions, 19 deletions
diff --git a/tests/gem_fence_thrash.c b/tests/gem_fence_thrash.c index c9e847b7..373c4d0b 100644 --- a/tests/gem_fence_thrash.c +++ b/tests/gem_fence_thrash.c @@ -55,15 +55,21 @@ * when copying between two buffers and thus constantly swapping fences. */ +struct test { + int fd; + int tiling; + int num_surfaces; +}; + static void * -bo_create (int fd) +bo_create (int fd, int tiling) { void *ptr; int handle; handle = gem_create(fd, OBJECT_SIZE); - gem_set_tiling(fd, handle, I915_TILING_X, 1024); + gem_set_tiling(fd, handle, tiling, 1024); ptr = gem_mmap(fd, handle, OBJECT_SIZE, PROT_READ | PROT_WRITE); @@ -76,12 +82,13 @@ bo_create (int fd) static void * bo_copy (void *_arg) { - int fd = *(int *)_arg; + struct test *t = (struct test *)_arg; + int fd = t->fd; int n; char *a, *b; - a = bo_create (fd); - b = bo_create (fd); + a = bo_create (fd, t->tiling); + b = bo_create (fd, t->tiling); for (n = 0; n < 1000; n++) { memcpy (a, b, OBJECT_SIZE); @@ -91,31 +98,131 @@ bo_copy (void *_arg) return NULL; } -int -main(int argc, char **argv) +static void +_bo_write_verify(struct test *t) { + int fd = t->fd; + int i, k; + volatile uint32_t **s; + uint32_t v; + unsigned int dwords = OBJECT_SIZE >> 2; + const char *tile_str[] = { "none", "x", "y" }; + + assert (t->tiling >= 0 && t->tiling <= I915_TILING_Y); + assert (t->num_surfaces > 0); + + s = calloc(sizeof(**s), t->num_surfaces); + + for (k = 0; k < t->num_surfaces; k++) { + s[k] = bo_create(fd, t->tiling); + } + + for (k = 0; k < t->num_surfaces; k++) { + volatile uint32_t *a = s[k]; + + for (i = 0; i < dwords; i++) { + a[i] = i; + v = a[i]; + if (v != i) { + printf("tiling %s: write failed at %d (%x)\n", + tile_str[t->tiling], i, v); + _exit(-1); + } + } + + for (i = 0; i < dwords; i++) { + v = a[i]; + if (v != i) { + printf("tiling %s: verify failed at %d (%x)\n", + tile_str[t->tiling], i, v); + exit(-2); + } + } + } + + free(s); +} + +static void * +bo_write_verify(void *_arg) +{ + struct test *t = (struct test *)_arg; + int i; + + for (i = 0; i < 10; i++) + _bo_write_verify(t); + + return 0; +} + +static int run_test(int threads_per_fence, void *f, int tiling, + int surfaces_per_thread) +{ + struct test t; drm_i915_getparam_t gp; - pthread_t threads[32]; - int n, num_fences; - int fd, ret; + pthread_t *threads; + int n, num_fences, num_threads; + int ret; - fd = drm_open_any(); + t.fd = drm_open_any(); + t.tiling = tiling; + t.num_surfaces = surfaces_per_thread; gp.param = I915_PARAM_NUM_FENCES_AVAIL; gp.value = &num_fences; - ret = ioctl(fd, DRM_IOCTL_I915_GETPARAM, &gp); + ret = ioctl(t.fd, DRM_IOCTL_I915_GETPARAM, &gp); assert (ret == 0); - printf ("creating %d threads\n", num_fences); - assert (num_fences < sizeof (threads) / sizeof (threads[0])); + num_threads = threads_per_fence * num_fences; + + printf("%s: threads %d, fences %d, tiling %d, surfaces per thread %d\n", + f == bo_copy ? "copy" : "write-verify", num_threads, + num_fences, tiling, surfaces_per_thread); + + if (threads_per_fence) { + threads = calloc(sizeof(*threads), num_threads); + assert (threads != NULL); + + for (n = 0; n < num_threads; n++) + pthread_create (&threads[n], NULL, f, &t); + + for (n = 0; n < num_threads; n++) + pthread_join (threads[n], NULL); + } else { + void *(*func)(void *) = f; + assert(func(&t) == (void *)0); + } + + close(t.fd); + + return 0; +} + +int +main(int argc, char **argv) +{ + drmtest_subtest_init(argc, argv); + + if (drmtest_run_subtest("bo-write-verify-none")) + assert (run_test(0, bo_write_verify, I915_TILING_NONE, 80) == 0); + + if (drmtest_run_subtest("bo-write-verify-x")) + assert (run_test(0, bo_write_verify, I915_TILING_X, 80) == 0); + + if (drmtest_run_subtest("bo-write-verify-y")) + assert (run_test(0, bo_write_verify, I915_TILING_Y, 80) == 0); + + if (drmtest_run_subtest("bo-write-verify-threaded-none")) + assert (run_test(5, bo_write_verify, I915_TILING_NONE, 2) == 0); - for (n = 0; n < num_fences; n++) - pthread_create (&threads[n], NULL, bo_copy, &fd); + if (drmtest_run_subtest("bo-write-verify-threaded-x")) + assert (run_test(5, bo_write_verify, I915_TILING_X, 2) == 0); - for (n = 0; n < num_fences; n++) - pthread_join (threads[n], NULL); + if (drmtest_run_subtest("bo-write-verify-threaded-y")) + assert (run_test(5, bo_write_verify, I915_TILING_Y, 2) == 0); - close(fd); + if (drmtest_run_subtest("bo-copy")) + assert(run_test(1, bo_copy, I915_TILING_X, 1) == 0); return 0; } |