diff options
author | Chris Wilson <chris@chris-wilson.co.uk> | 2013-08-14 11:03:34 +0100 |
---|---|---|
committer | Chris Wilson <chris@chris-wilson.co.uk> | 2013-08-14 11:08:27 +0100 |
commit | 99431a4f06bcaaa8944d1ed8fed118cd2b97078b (patch) | |
tree | 23424eac6237c94523036e66d08d93669342cf72 /tests | |
parent | 4f8c9a2c386154a5be94e117b4371ab0ef8b55a8 (diff) |
gem_(cpu|prw)_concurrent_blit: Add contending processes
Blindly fixed conflicts:
tests/gem_cpu_concurrent_blit.c
tests/gem_prw_concurrent_blit.c
Diffstat (limited to 'tests')
-rw-r--r-- | tests/gem_cpu_concurrent_blit.c | 119 | ||||
-rw-r--r-- | tests/gem_prw_concurrent_blit.c | 119 |
2 files changed, 236 insertions, 2 deletions
diff --git a/tests/gem_cpu_concurrent_blit.c b/tests/gem_cpu_concurrent_blit.c index 9422c619..558d318f 100644 --- a/tests/gem_cpu_concurrent_blit.c +++ b/tests/gem_cpu_concurrent_blit.c @@ -40,6 +40,7 @@ #include <errno.h> #include <sys/stat.h> #include <sys/time.h> +#include <sys/wait.h> #include "drm.h" #include "i915_drm.h" #include "drmtest.h" @@ -92,7 +93,8 @@ main(int argc, char **argv) int num_buffers = 128, max; drm_intel_bo *src[128], *dst[128], *dummy = NULL; int width = 512, height = 512; - int i, loop, fd; + int i, loop, fd, nc; + pid_t children[16]; igt_subtest_init(argc, argv); igt_skip_on_simulation(); @@ -198,6 +200,121 @@ main(int argc, char **argv) } } + /* try to overwrite the source values */ + igt_subtest("overwrite-source-forked") { + for (nc = 0; nc < ARRAY_SIZE(children); nc++) { + switch ((children[nc] = fork())) { + case -1: igt_assert(0); + default: break; + case 0: + /* recreate process local variables */ + bufmgr = drm_intel_bufmgr_gem_init(fd, 4096); + drm_intel_bufmgr_gem_enable_reuse(bufmgr); + batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd)); + for (i = 0; i < num_buffers; i++) { + src[i] = create_bo(bufmgr, i, width, height); + dst[i] = create_bo(bufmgr, ~i, width, height); + } + for (loop = 0; loop < 10; loop++) { + gem_quiescent_gpu(fd); + for (i = 0; i < num_buffers; i++) { + set_bo(src[i], i, width, height); + set_bo(dst[i], i, width, height); + } + for (i = 0; i < num_buffers; i++) + intel_copy_bo(batch, dst[i], src[i], width, height); + for (i = num_buffers; i--; ) + set_bo(src[i], 0xdeadbeef, width, height); + for (i = 0; i < num_buffers; i++) + cmp_bo(dst[i], i, width, height); + } + exit(0); + } + } + for (nc = 0; nc < ARRAY_SIZE(children); nc++) { + int status = -1; + while (waitpid(children[nc], &status, 0) == -1 && + errno == -EINTR) + ; + igt_assert(status == 0); + } + } + + /* try to read the results before the copy completes */ + igt_subtest("early-read-forked") { + for (nc = 0; nc < ARRAY_SIZE(children); nc++) { + switch ((children[nc] = fork())) { + case -1: igt_assert(0); + default: break; + case 0: + /* recreate process local variables */ + bufmgr = drm_intel_bufmgr_gem_init(fd, 4096); + drm_intel_bufmgr_gem_enable_reuse(bufmgr); + batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd)); + for (i = 0; i < num_buffers; i++) { + src[i] = create_bo(bufmgr, i, width, height); + dst[i] = create_bo(bufmgr, ~i, width, height); + } + for (loop = 0; loop < 10; loop++) { + gem_quiescent_gpu(fd); + for (i = num_buffers; i--; ) + set_bo(src[i], 0xdeadbeef, width, height); + for (i = 0; i < num_buffers; i++) + intel_copy_bo(batch, dst[i], src[i], width, height); + for (i = num_buffers; i--; ) + cmp_bo(dst[i], 0xdeadbeef, width, height); + } + exit(0); + } + } + for (nc = 0; nc < ARRAY_SIZE(children); nc++) { + int status = -1; + while (waitpid(children[nc], &status, 0) == -1 && + errno == -EINTR) + ; + igt_assert(status == 0); + } + } + + /* and finally try to trick the kernel into loosing the pending write */ + igt_subtest("gpu-read-after-write-forked") { + for (nc = 0; nc < ARRAY_SIZE(children); nc++) { + switch ((children[nc] = fork())) { + case -1: igt_assert(0); + default: break; + case 0: + /* recreate process local variables */ + bufmgr = drm_intel_bufmgr_gem_init(fd, 4096); + drm_intel_bufmgr_gem_enable_reuse(bufmgr); + batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd)); + for (i = 0; i < num_buffers; i++) { + src[i] = create_bo(bufmgr, i, width, height); + dst[i] = create_bo(bufmgr, ~i, width, height); + } + dummy = create_bo(bufmgr, 0, width, height); + for (loop = 0; loop < 10; loop++) { + gem_quiescent_gpu(fd); + for (i = num_buffers; i--; ) + set_bo(src[i], 0xabcdabcd, width, height); + for (i = 0; i < num_buffers; i++) + intel_copy_bo(batch, dst[i], src[i], width, height); + for (i = num_buffers; i--; ) + intel_copy_bo(batch, dummy, dst[i], width, height); + for (i = num_buffers; i--; ) + cmp_bo(dst[i], 0xabcdabcd, width, height); + } + exit(0); + } + } + for (nc = 0; nc < ARRAY_SIZE(children); nc++) { + int status = -1; + while (waitpid(children[nc], &status, 0) == -1 && + errno == -EINTR) + ; + igt_assert(status == 0); + } + } + igt_stop_signal_helper(); return 0; diff --git a/tests/gem_prw_concurrent_blit.c b/tests/gem_prw_concurrent_blit.c index cbac71b6..d20eb0bd 100644 --- a/tests/gem_prw_concurrent_blit.c +++ b/tests/gem_prw_concurrent_blit.c @@ -43,6 +43,7 @@ #include <errno.h> #include <sys/stat.h> #include <sys/time.h> +#include <sys/wait.h> #include "drm.h" #include "i915_drm.h" #include "drmtest.h" @@ -95,7 +96,8 @@ main(int argc, char **argv) int num_buffers = 128, max; drm_intel_bo *src[128], *dst[128], *dummy = NULL; int width = 512, height = 512; - int fd, loop, i; + int fd, loop, i, nc; + pid_t children[16]; igt_subtest_init(argc, argv); igt_skip_on_simulation(); @@ -201,6 +203,121 @@ main(int argc, char **argv) } } + /* try to read the results before the copy completes */ + igt_subtest("overwrite-source-forked") { + for (nc = 0; nc < ARRAY_SIZE(children); nc++) { + switch ((children[nc] = fork())) { + case -1: igt_assert(0); + default: break; + case 0: + /* recreate process local variables */ + bufmgr = drm_intel_bufmgr_gem_init(fd, 4096); + drm_intel_bufmgr_gem_enable_reuse(bufmgr); + batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd)); + for (i = 0; i < num_buffers; i++) { + src[i] = create_bo(bufmgr, i, width, height); + dst[i] = create_bo(bufmgr, ~i, width, height); + } + for (loop = 0; loop < 10; loop++) { + gem_quiescent_gpu(fd); + for (i = 0; i < num_buffers; i++) { + set_bo(src[i], i, width, height); + set_bo(dst[i], i, width, height); + } + for (i = 0; i < num_buffers; i++) + intel_copy_bo(batch, dst[i], src[i], width, height); + for (i = num_buffers; i--; ) + set_bo(src[i], 0xdeadbeef, width, height); + for (i = 0; i < num_buffers; i++) + cmp_bo(dst[i], i, width, height); + } + exit(0); + } + } + for (nc = 0; nc < ARRAY_SIZE(children); nc++) { + int status = -1; + while (waitpid(children[nc], &status, 0) == -1 && + errno == -EINTR) + ; + igt_assert(status == 0); + } + } + + /* try to read the results before the copy completes */ + igt_subtest("early-read-forked") { + for (nc = 0; nc < ARRAY_SIZE(children); nc++) { + switch ((children[nc] = fork())) { + case -1: igt_assert(0); + default: break; + case 0: + /* recreate process local variables */ + bufmgr = drm_intel_bufmgr_gem_init(fd, 4096); + drm_intel_bufmgr_gem_enable_reuse(bufmgr); + batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd)); + for (i = 0; i < num_buffers; i++) { + src[i] = create_bo(bufmgr, i, width, height); + dst[i] = create_bo(bufmgr, ~i, width, height); + } + for (loop = 0; loop < 10; loop++) { + gem_quiescent_gpu(fd); + for (i = num_buffers; i--; ) + set_bo(src[i], 0xdeadbeef, width, height); + for (i = 0; i < num_buffers; i++) + intel_copy_bo(batch, dst[i], src[i], width, height); + for (i = num_buffers; i--; ) + cmp_bo(dst[i], 0xdeadbeef, width, height); + } + exit(0); + } + } + for (nc = 0; nc < ARRAY_SIZE(children); nc++) { + int status = -1; + while (waitpid(children[nc], &status, 0) == -1 && + errno == -EINTR) + ; + igt_assert(status == 0); + } + } + + /* and finally try to trick the kernel into loosing the pending write */ + igt_subtest("gpu-read-after-write-forked") { + for (nc = 0; nc < ARRAY_SIZE(children); nc++) { + switch ((children[nc] = fork())) { + case -1: igt_assert(0); + default: break; + case 0: + /* recreate process local variables */ + bufmgr = drm_intel_bufmgr_gem_init(fd, 4096); + drm_intel_bufmgr_gem_enable_reuse(bufmgr); + batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd)); + for (i = 0; i < num_buffers; i++) { + src[i] = create_bo(bufmgr, i, width, height); + dst[i] = create_bo(bufmgr, ~i, width, height); + } + dummy = create_bo(bufmgr, 0, width, height); + for (loop = 0; loop < 10; loop++) { + gem_quiescent_gpu(fd); + for (i = num_buffers; i--; ) + set_bo(src[i], 0xabcdabcd, width, height); + for (i = 0; i < num_buffers; i++) + intel_copy_bo(batch, dst[i], src[i], width, height); + for (i = num_buffers; i--; ) + intel_copy_bo(batch, dummy, dst[i], width, height); + for (i = num_buffers; i--; ) + cmp_bo(dst[i], 0xabcdabcd, width, height); + } + exit(0); + } + } + for (nc = 0; nc < ARRAY_SIZE(children); nc++) { + int status = -1; + while (waitpid(children[nc], &status, 0) == -1 && + errno == -EINTR) + ; + igt_assert(status == 0); + } + } + igt_stop_signal_helper(); return 0; |