From 5fc09c82d40113a7ebf67b7dbc374c181d9fafe3 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Fri, 21 Jan 2011 00:43:11 +0000 Subject: Time blt vs pwrite Signed-off-by: Chris Wilson --- .gitignore | 2 + tests/Makefile.am | 2 + tests/gem_exec_blt.c | 297 +++++++++++++++++++++++++++++++++++++++++++++++++++ tests/gem_pwrite.c | 154 ++++++++++++++++++++++++++ 4 files changed, 455 insertions(+) create mode 100644 tests/gem_exec_blt.c create mode 100644 tests/gem_pwrite.c diff --git a/.gitignore b/.gitignore index f555f6d7..19c8f5e9 100644 --- a/.gitignore +++ b/.gitignore @@ -34,6 +34,7 @@ tests/getclient tests/getstats tests/getversion tests/gem_basic +tests/gem_exec_blt tests/gem_exec_nop tests/gem_fence_thrash tests/gem_flink @@ -41,6 +42,7 @@ tests/gem_gtt_speed tests/gem_largeobject tests/gem_mmap tests/gem_pread_after_blit +tests/gem_pwrite tests/gem_readwrite tests/gem_ringfill tests/gem_tiled_blits diff --git a/tests/Makefile.am b/tests/Makefile.am index a7a9e244..128106b6 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -3,10 +3,12 @@ TESTS = getversion \ getstats \ gem_basic \ gem_exec_nop \ + gem_exec_blt \ gem_flink \ gem_readwrite \ gem_ringfill \ gem_mmap \ + gem_pwrite \ gem_pread_after_blit \ gem_tiled_pread \ gem_tiled_blits \ diff --git a/tests/gem_exec_blt.c b/tests/gem_exec_blt.c new file mode 100644 index 00000000..a939952b --- /dev/null +++ b/tests/gem_exec_blt.c @@ -0,0 +1,297 @@ +/* + * 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 + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "drm.h" +#include "i915_drm.h" +#include "drmtest.h" + +#define OBJECT_SIZE 16384 + +#define COPY_BLT_CMD (2<<29|0x53<<22|0x6) +#define BLT_WRITE_ALPHA (1<<21) +#define BLT_WRITE_RGB (1<<20) +#define BLT_SRC_TILED (1<<15) +#define BLT_DST_TILED (1<<11) +#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 + 4095) & -4096; + (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 int gem_linear_blt(uint32_t *batch, + uint32_t src, + uint32_t dst, + uint32_t length, + struct drm_i915_gem_relocation_entry *reloc) +{ + uint32_t *b = batch; + int height = length / (16 * 1024); + + assert(height <= 1<<16); + + if (height) { + b[0] = COPY_BLT_CMD | BLT_WRITE_ALPHA | BLT_WRITE_RGB; + b[1] = 0xcc << 16 | 1 << 25 | 1 << 24 | (16*1024); + b[2] = 0; + b[3] = height << 16 | (4*1024); + b[4] = 0; + reloc->offset = (b-batch+4) * sizeof(uint32_t); + reloc->delta = 0; + reloc->target_handle = dst; + reloc->read_domains = I915_GEM_DOMAIN_RENDER; + reloc->write_domain = I915_GEM_DOMAIN_RENDER; + reloc->presumed_offset = 0; + reloc++; + + b[5] = 0; + b[6] = 16*1024; + b[7] = 0; + reloc->offset = (b-batch+7) * sizeof(uint32_t); + reloc->delta = 0; + reloc->target_handle = src; + reloc->read_domains = I915_GEM_DOMAIN_RENDER; + reloc->write_domain = 0; + reloc->presumed_offset = 0; + reloc++; + + b += 8; + length -= height * 16*1024; + } + + if (length) { + b[0] = COPY_BLT_CMD | BLT_WRITE_ALPHA | BLT_WRITE_RGB; + b[1] = 0xcc << 16 | 1 << 25 | 1 << 24 | (16*1024); + b[2] = height << 16; + b[3] = (1+height) << 16 | (length / 4); + b[4] = 0; + reloc->offset = (b-batch+4) * sizeof(uint32_t); + reloc->delta = 0; + reloc->target_handle = dst; + reloc->read_domains = I915_GEM_DOMAIN_RENDER; + reloc->write_domain = I915_GEM_DOMAIN_RENDER; + reloc->presumed_offset = 0; + reloc++; + + b[5] = height << 16; + b[6] = 16*1024; + b[7] = 0; + reloc->offset = (b-batch+7) * sizeof(uint32_t); + reloc->delta = 0; + reloc->target_handle = src; + reloc->read_domains = I915_GEM_DOMAIN_RENDER; + reloc->write_domain = 0; + reloc->presumed_offset = 0; + reloc++; + + b += 8; + } + + b[0] = MI_BATCH_BUFFER_END; + b[1] = 0; + + return (b+2 - batch) * sizeof(uint32_t); +} + +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 void gem_exec(int fd, struct drm_i915_gem_execbuffer2 *execbuf, int loops) +{ + int ret; + + while (loops--) { + ret = drmIoctl(fd, + DRM_IOCTL_I915_GEM_EXECBUFFER2, + execbuf); + } +} + +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 const char *bytes_per_sec(char *buf, double v) +{ + const char *order[] = { + "", + "KiB", + "MiB", + "GiB", + "TiB", + "PiB", + NULL, + }, **o = order; + + while (v > 1024 && o[1]) { + v /= 1024; + o++; + } + sprintf(buf, "%.1f%s/s", v, *o); + return buf; +} + +static void run(int object_size) +{ + struct drm_i915_gem_execbuffer2 execbuf; + struct drm_i915_gem_exec_object2 exec[3]; + struct drm_i915_gem_relocation_entry reloc[4]; + uint32_t buf[20]; + uint32_t handle, src, dst; + int fd, len, count; + + fd = drm_open_any(); + handle = gem_create(fd, 4096); + src = gem_create(fd, object_size); + dst = gem_create(fd, object_size); + + len = gem_linear_blt(buf, src, dst, object_size, reloc); + gem_write(fd, handle, 0, buf, len); + + exec[0].handle = src; + 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; + + exec[1].handle = dst; + exec[1].relocation_count = 0; + exec[1].relocs_ptr = 0; + exec[1].alignment = 0; + exec[1].offset = 0; + exec[1].flags = 0; + exec[1].rsvd1 = 0; + exec[1].rsvd2 = 0; + + exec[2].handle = handle; + exec[2].relocation_count = len > 40 ? 4 : 2; + exec[2].relocs_ptr = (uintptr_t)reloc; + exec[2].alignment = 0; + exec[2].offset = 0; + exec[2].flags = 0; + exec[2].rsvd1 = 0; + exec[2].rsvd2 = 0; + + execbuf.buffers_ptr = (uintptr_t)exec; + execbuf.buffer_count = 3; + execbuf.batch_start_offset = 0; + execbuf.batch_len = len; + execbuf.cliprects_ptr = 0; + execbuf.num_cliprects = 0; + execbuf.DR1 = 0; + execbuf.DR4 = 0; + execbuf.flags = 0; + execbuf.rsvd1 = 0; + execbuf.rsvd2 = 0; + + for (count = 1; count <= 1<<17; count <<= 1) { + struct timeval start, end; + + gettimeofday(&start, NULL); + gem_exec(fd, &execbuf, count); + gem_sync(fd, handle); + gettimeofday(&end, NULL); + printf("Time to blt %d bytes x %6d: %7.3fµs, %s\n", + object_size, count, + elapsed(&start, &end, count), + bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6)); + fflush(stdout); + } + gem_close(fd, handle); + + close(fd); +} + +int main(int argc, char **argv) +{ + int i; + + if (argc > 1) { + for (i = 1; i < argc; i++) { + int object_size = atoi(argv[i]); + if (object_size) + run((object_size + 3) & -4); + } + } else + run(OBJECT_SIZE); + + return 0; +} diff --git a/tests/gem_pwrite.c b/tests/gem_pwrite.c new file mode 100644 index 00000000..e43655ee --- /dev/null +++ b/tests/gem_pwrite.c @@ -0,0 +1,154 @@ +/* + * 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 + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "drm.h" +#include "i915_drm.h" +#include "drmtest.h" + +#define OBJECT_SIZE 16384 + +#define COPY_BLT_CMD (2<<29|0x53<<22|0x6) +#define BLT_WRITE_ALPHA (1<<21) +#define BLT_WRITE_RGB (1<<20) +#define BLT_SRC_TILED (1<<15) +#define BLT_DST_TILED (1<<11) +#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 + 4095) & -4096; + (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 do_gem_write(int fd, uint32_t handle, void *buf, int len, int loops) +{ + while (loops--) + gem_write(fd, handle, 0, buf, len); +} + +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 const char *bytes_per_sec(char *buf, double v) +{ + const char *order[] = { + "", + "KiB", + "MiB", + "GiB", + "TiB", + NULL, + }, **o = order; + + while (v > 1000 && o[1]) { + v /= 1000; + o++; + } + sprintf(buf, "%.1f%s/s", v, *o); + return buf; +} + + +int main(int argc, char **argv) +{ + int object_size = 0; + uint32_t buf[20]; + uint32_t *src, dst; + int fd, count; + + if (argc > 1) + object_size = atoi(argv[1]); + if (object_size == 0) + object_size = OBJECT_SIZE; + object_size = (object_size + 3) & -4; + + fd = drm_open_any(); + + dst = gem_create(fd, object_size); + src = malloc(object_size); + for (count = 1; count <= 1<<17; count <<= 1) { + struct timeval start, end; + + gettimeofday(&start, NULL); + do_gem_write(fd, dst, src, object_size, count); + gettimeofday(&end, NULL); + printf("Time to pwrite %d bytes x %6d: %7.3fµs, %s\n", + object_size, count, + elapsed(&start, &end, count), + bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6)); + fflush(stdout); + } + free(src); + gem_close(fd, dst); + + close(fd); + + return 0; +} -- cgit v1.2.3