mirror of
https://github.com/tiagovignatti/intel-gpu-tools.git
synced 2025-06-11 18:06:13 +00:00
gem_(cpu|prw)_concurrent_blit: Add contending processes
Blindly fixed conflicts: tests/gem_cpu_concurrent_blit.c tests/gem_prw_concurrent_blit.c
This commit is contained in:
Chris Wilson
parent
4f8c9a2c38
commit
99431a4f06
@ -40,6 +40,7 @@
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#include <errno.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/wait.h>
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#include "drm.h"
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#include "i915_drm.h"
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#include "drmtest.h"
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@ -92,7 +93,8 @@ main(int argc, char **argv)
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int num_buffers = 128, max;
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drm_intel_bo *src[128], *dst[128], *dummy = NULL;
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int width = 512, height = 512;
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int i, loop, fd;
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int i, loop, fd, nc;
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pid_t children[16];
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igt_subtest_init(argc, argv);
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igt_skip_on_simulation();
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@ -198,6 +200,121 @@ main(int argc, char **argv)
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}
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}
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/* try to overwrite the source values */
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igt_subtest("overwrite-source-forked") {
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for (nc = 0; nc < ARRAY_SIZE(children); nc++) {
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switch ((children[nc] = fork())) {
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case -1: igt_assert(0);
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default: break;
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case 0:
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/* recreate process local variables */
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bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
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drm_intel_bufmgr_gem_enable_reuse(bufmgr);
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batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
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for (i = 0; i < num_buffers; i++) {
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src[i] = create_bo(bufmgr, i, width, height);
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dst[i] = create_bo(bufmgr, ~i, width, height);
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}
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for (loop = 0; loop < 10; loop++) {
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gem_quiescent_gpu(fd);
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for (i = 0; i < num_buffers; i++) {
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set_bo(src[i], i, width, height);
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set_bo(dst[i], i, width, height);
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}
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for (i = 0; i < num_buffers; i++)
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intel_copy_bo(batch, dst[i], src[i], width, height);
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for (i = num_buffers; i--; )
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set_bo(src[i], 0xdeadbeef, width, height);
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for (i = 0; i < num_buffers; i++)
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cmp_bo(dst[i], i, width, height);
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}
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exit(0);
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}
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}
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for (nc = 0; nc < ARRAY_SIZE(children); nc++) {
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int status = -1;
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while (waitpid(children[nc], &status, 0) == -1 &&
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errno == -EINTR)
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;
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igt_assert(status == 0);
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}
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}
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/* try to read the results before the copy completes */
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igt_subtest("early-read-forked") {
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for (nc = 0; nc < ARRAY_SIZE(children); nc++) {
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switch ((children[nc] = fork())) {
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case -1: igt_assert(0);
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default: break;
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case 0:
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/* recreate process local variables */
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bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
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drm_intel_bufmgr_gem_enable_reuse(bufmgr);
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batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
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for (i = 0; i < num_buffers; i++) {
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src[i] = create_bo(bufmgr, i, width, height);
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dst[i] = create_bo(bufmgr, ~i, width, height);
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}
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for (loop = 0; loop < 10; loop++) {
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gem_quiescent_gpu(fd);
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for (i = num_buffers; i--; )
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set_bo(src[i], 0xdeadbeef, width, height);
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for (i = 0; i < num_buffers; i++)
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intel_copy_bo(batch, dst[i], src[i], width, height);
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for (i = num_buffers; i--; )
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cmp_bo(dst[i], 0xdeadbeef, width, height);
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}
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exit(0);
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}
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}
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for (nc = 0; nc < ARRAY_SIZE(children); nc++) {
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int status = -1;
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while (waitpid(children[nc], &status, 0) == -1 &&
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errno == -EINTR)
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;
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igt_assert(status == 0);
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}
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}
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/* and finally try to trick the kernel into loosing the pending write */
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igt_subtest("gpu-read-after-write-forked") {
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for (nc = 0; nc < ARRAY_SIZE(children); nc++) {
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switch ((children[nc] = fork())) {
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case -1: igt_assert(0);
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default: break;
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case 0:
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/* recreate process local variables */
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bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
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drm_intel_bufmgr_gem_enable_reuse(bufmgr);
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batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
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for (i = 0; i < num_buffers; i++) {
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src[i] = create_bo(bufmgr, i, width, height);
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dst[i] = create_bo(bufmgr, ~i, width, height);
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}
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dummy = create_bo(bufmgr, 0, width, height);
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for (loop = 0; loop < 10; loop++) {
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gem_quiescent_gpu(fd);
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for (i = num_buffers; i--; )
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set_bo(src[i], 0xabcdabcd, width, height);
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for (i = 0; i < num_buffers; i++)
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intel_copy_bo(batch, dst[i], src[i], width, height);
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for (i = num_buffers; i--; )
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intel_copy_bo(batch, dummy, dst[i], width, height);
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for (i = num_buffers; i--; )
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cmp_bo(dst[i], 0xabcdabcd, width, height);
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}
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exit(0);
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}
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}
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for (nc = 0; nc < ARRAY_SIZE(children); nc++) {
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int status = -1;
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while (waitpid(children[nc], &status, 0) == -1 &&
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errno == -EINTR)
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;
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igt_assert(status == 0);
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}
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}
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igt_stop_signal_helper();
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return 0;
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@ -43,6 +43,7 @@
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#include <errno.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <sys/wait.h>
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#include "drm.h"
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#include "i915_drm.h"
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#include "drmtest.h"
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@ -95,7 +96,8 @@ main(int argc, char **argv)
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int num_buffers = 128, max;
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drm_intel_bo *src[128], *dst[128], *dummy = NULL;
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int width = 512, height = 512;
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int fd, loop, i;
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int fd, loop, i, nc;
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pid_t children[16];
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igt_subtest_init(argc, argv);
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igt_skip_on_simulation();
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@ -201,6 +203,121 @@ main(int argc, char **argv)
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}
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}
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/* try to read the results before the copy completes */
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igt_subtest("overwrite-source-forked") {
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for (nc = 0; nc < ARRAY_SIZE(children); nc++) {
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switch ((children[nc] = fork())) {
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case -1: igt_assert(0);
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default: break;
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case 0:
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/* recreate process local variables */
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bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
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drm_intel_bufmgr_gem_enable_reuse(bufmgr);
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batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
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for (i = 0; i < num_buffers; i++) {
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src[i] = create_bo(bufmgr, i, width, height);
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dst[i] = create_bo(bufmgr, ~i, width, height);
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}
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for (loop = 0; loop < 10; loop++) {
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gem_quiescent_gpu(fd);
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for (i = 0; i < num_buffers; i++) {
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set_bo(src[i], i, width, height);
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set_bo(dst[i], i, width, height);
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}
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for (i = 0; i < num_buffers; i++)
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intel_copy_bo(batch, dst[i], src[i], width, height);
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for (i = num_buffers; i--; )
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set_bo(src[i], 0xdeadbeef, width, height);
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for (i = 0; i < num_buffers; i++)
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cmp_bo(dst[i], i, width, height);
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}
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exit(0);
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}
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}
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for (nc = 0; nc < ARRAY_SIZE(children); nc++) {
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int status = -1;
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while (waitpid(children[nc], &status, 0) == -1 &&
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errno == -EINTR)
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;
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igt_assert(status == 0);
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}
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}
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/* try to read the results before the copy completes */
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igt_subtest("early-read-forked") {
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for (nc = 0; nc < ARRAY_SIZE(children); nc++) {
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switch ((children[nc] = fork())) {
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case -1: igt_assert(0);
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default: break;
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case 0:
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/* recreate process local variables */
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bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
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drm_intel_bufmgr_gem_enable_reuse(bufmgr);
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batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
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for (i = 0; i < num_buffers; i++) {
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src[i] = create_bo(bufmgr, i, width, height);
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dst[i] = create_bo(bufmgr, ~i, width, height);
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}
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for (loop = 0; loop < 10; loop++) {
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gem_quiescent_gpu(fd);
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for (i = num_buffers; i--; )
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set_bo(src[i], 0xdeadbeef, width, height);
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for (i = 0; i < num_buffers; i++)
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intel_copy_bo(batch, dst[i], src[i], width, height);
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for (i = num_buffers; i--; )
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cmp_bo(dst[i], 0xdeadbeef, width, height);
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}
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exit(0);
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}
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}
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for (nc = 0; nc < ARRAY_SIZE(children); nc++) {
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int status = -1;
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while (waitpid(children[nc], &status, 0) == -1 &&
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errno == -EINTR)
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;
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igt_assert(status == 0);
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}
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}
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/* and finally try to trick the kernel into loosing the pending write */
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igt_subtest("gpu-read-after-write-forked") {
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for (nc = 0; nc < ARRAY_SIZE(children); nc++) {
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switch ((children[nc] = fork())) {
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case -1: igt_assert(0);
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default: break;
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case 0:
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/* recreate process local variables */
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bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
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drm_intel_bufmgr_gem_enable_reuse(bufmgr);
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batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
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for (i = 0; i < num_buffers; i++) {
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src[i] = create_bo(bufmgr, i, width, height);
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dst[i] = create_bo(bufmgr, ~i, width, height);
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}
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dummy = create_bo(bufmgr, 0, width, height);
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for (loop = 0; loop < 10; loop++) {
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gem_quiescent_gpu(fd);
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for (i = num_buffers; i--; )
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set_bo(src[i], 0xabcdabcd, width, height);
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for (i = 0; i < num_buffers; i++)
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intel_copy_bo(batch, dst[i], src[i], width, height);
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for (i = num_buffers; i--; )
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intel_copy_bo(batch, dummy, dst[i], width, height);
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for (i = num_buffers; i--; )
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cmp_bo(dst[i], 0xabcdabcd, width, height);
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}
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exit(0);
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}
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}
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for (nc = 0; nc < ARRAY_SIZE(children); nc++) {
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int status = -1;
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while (waitpid(children[nc], &status, 0) == -1 &&
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errno == -EINTR)
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;
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igt_assert(status == 0);
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}
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}
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igt_stop_signal_helper();
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return 0;
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