diff options
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | tests/Makefile.am | 1 | ||||
| -rw-r--r-- | tests/gem_exec_nop.c | 159 |
3 files changed, 161 insertions, 0 deletions
@@ -34,6 +34,7 @@ tests/getclient tests/getstats tests/getversion tests/gem_basic +tests/gem_exec_nop tests/gem_fence_thrash tests/gem_flink tests/gem_gtt_speed diff --git a/tests/Makefile.am b/tests/Makefile.am index 95eaa4af..a7a9e244 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -2,6 +2,7 @@ TESTS = getversion \ getclient \ getstats \ gem_basic \ + gem_exec_nop \ gem_flink \ gem_readwrite \ gem_ringfill \ diff --git a/tests/gem_exec_nop.c b/tests/gem_exec_nop.c new file mode 100644 index 00000000..d022c2b0 --- /dev/null +++ b/tests/gem_exec_nop.c @@ -0,0 +1,159 @@ +/* + * Copyright © 2011 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + * Authors: + * Chris Wilson <chris@chris-wilson.co.uk> + * + */ + +#include <unistd.h> +#include <stdlib.h> +#include <stdint.h> +#include <stdio.h> +#include <string.h> +#include <assert.h> +#include <fcntl.h> +#include <inttypes.h> +#include <errno.h> +#include <sys/stat.h> +#include <sys/ioctl.h> +#include <sys/mman.h> +#include <sys/time.h> +#include "drm.h" +#include "i915_drm.h" +#include "drmtest.h" + +#define MI_BATCH_BUFFER_END (0xA<<23) + +static uint32_t gem_create(int fd, int size) +{ + struct drm_i915_gem_create create; + + create.handle = 0; + create.size = size; + (void)drmIoctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create); + + return create.handle; +} + +static int gem_write(int fd, + uint32_t handle, uint32_t offset, + const void *src, int length) +{ + struct drm_i915_gem_pwrite pwrite; + + pwrite.handle = handle; + pwrite.offset = offset; + pwrite.size = length; + pwrite.data_ptr = (uintptr_t)src; + return drmIoctl(fd, DRM_IOCTL_I915_GEM_PWRITE, &pwrite); +} + +static void gem_close(int fd, uint32_t handle) +{ + struct drm_gem_close close; + + close.handle = handle; + (void)drmIoctl(fd, DRM_IOCTL_GEM_CLOSE, &close); +} + +static void gem_sync(int fd, uint32_t handle) +{ + struct drm_i915_gem_set_domain set_domain; + + set_domain.handle = handle; + set_domain.read_domains = I915_GEM_DOMAIN_GTT; + set_domain.write_domain = I915_GEM_DOMAIN_GTT; + + drmIoctl(fd, DRM_IOCTL_I915_GEM_SET_DOMAIN, &set_domain); +} + +static double elapsed(const struct timeval *start, + const struct timeval *end, + int loop) +{ + return (1e6*(end->tv_sec - start->tv_sec) + (end->tv_usec - start->tv_usec))/loop; +} + +static void exec(int fd, uint32_t handle, int loops) +{ + struct drm_i915_gem_execbuffer2 execbuf; + struct drm_i915_gem_exec_object2 exec[1]; + int ret; + + exec[0].handle = handle; + exec[0].relocation_count = 0; + exec[0].relocs_ptr = 0; + exec[0].alignment = 0; + exec[0].offset = 0; + exec[0].flags = 0; + exec[0].rsvd1 = 0; + exec[0].rsvd2 = 0; + + execbuf.buffers_ptr = (uintptr_t)exec; + execbuf.buffer_count = 1; + execbuf.batch_start_offset = 0; + execbuf.batch_len = 8; + execbuf.cliprects_ptr = 0; + execbuf.num_cliprects = 0; + execbuf.DR1 = 0; + execbuf.DR4 = 0; + execbuf.flags = 0; + execbuf.rsvd1 = 0; + execbuf.rsvd2 = 0; + + while (loops--) { + ret = drmIoctl(fd, + DRM_IOCTL_I915_GEM_EXECBUFFER2, + &execbuf); + } + gem_sync(fd, handle); +} + +int main(int argc, char **argv) +{ + uint32_t batch[2] = {MI_BATCH_BUFFER_END}; + uint32_t handle; + int count; + int fd; + + fd = drm_open_any(); + + handle = gem_create(fd, 4096); + gem_write(fd, handle, 0, batch, sizeof(batch)); + + for (count = 1; count <= 1<<17; count <<= 1) { + struct timeval start, end; + + gettimeofday(&start, NULL); + exec(fd, handle, count); + gettimeofday(&end, NULL); + printf("Time to exec x %d: %7.3fµs\n", + count, elapsed(&start, &end, count)); + fflush(stdout); + } + gem_close(fd, handle); + + close(fd); + + return 0; +} |