6d75e83ee3
copy_blit operation works only on integral number of pages
so benchmarks shorter than one page size (4K) do not make sense
v2: use RADEON_GPU_PAGE_SIZE instead of "magic" 1024 number and
sweep sizes between 1 * <page_size> to 16K * <page_size> doubling
the size in each iteration; we get the same coverage, as
in the original benchmark, but guarantee integer multiples
of page size
v3: add whitespace between '*' operator per review received from
zajec5@gmail.com
Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
255 lines
7 KiB
C
255 lines
7 KiB
C
/*
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* Copyright 2009 Jerome Glisse.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Jerome Glisse
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*/
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#include <drm/drmP.h>
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#include <drm/radeon_drm.h>
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#include "radeon_reg.h"
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#include "radeon.h"
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#define RADEON_BENCHMARK_COPY_BLIT 1
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#define RADEON_BENCHMARK_COPY_DMA 0
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#define RADEON_BENCHMARK_ITERATIONS 1024
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#define RADEON_BENCHMARK_COMMON_MODES_N 17
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static int radeon_benchmark_do_move(struct radeon_device *rdev, unsigned size,
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uint64_t saddr, uint64_t daddr,
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int flag, int n)
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{
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unsigned long start_jiffies;
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unsigned long end_jiffies;
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struct radeon_fence *fence = NULL;
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int i, r;
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start_jiffies = jiffies;
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for (i = 0; i < n; i++) {
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r = radeon_fence_create(rdev, &fence, RADEON_RING_TYPE_GFX_INDEX);
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if (r)
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return r;
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switch (flag) {
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case RADEON_BENCHMARK_COPY_DMA:
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r = radeon_copy_dma(rdev, saddr, daddr,
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size / RADEON_GPU_PAGE_SIZE,
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fence);
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break;
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case RADEON_BENCHMARK_COPY_BLIT:
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r = radeon_copy_blit(rdev, saddr, daddr,
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size / RADEON_GPU_PAGE_SIZE,
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fence);
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break;
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default:
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DRM_ERROR("Unknown copy method\n");
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r = -EINVAL;
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}
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if (r)
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goto exit_do_move;
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r = radeon_fence_wait(fence, false);
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if (r)
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goto exit_do_move;
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radeon_fence_unref(&fence);
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}
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end_jiffies = jiffies;
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r = jiffies_to_msecs(end_jiffies - start_jiffies);
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exit_do_move:
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if (fence)
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radeon_fence_unref(&fence);
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return r;
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}
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static void radeon_benchmark_log_results(int n, unsigned size,
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unsigned int time,
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unsigned sdomain, unsigned ddomain,
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char *kind)
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{
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unsigned int throughput = (n * (size >> 10)) / time;
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DRM_INFO("radeon: %s %u bo moves of %u kB from"
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" %d to %d in %u ms, throughput: %u Mb/s or %u MB/s\n",
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kind, n, size >> 10, sdomain, ddomain, time,
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throughput * 8, throughput);
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}
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static void radeon_benchmark_move(struct radeon_device *rdev, unsigned size,
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unsigned sdomain, unsigned ddomain)
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{
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struct radeon_bo *dobj = NULL;
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struct radeon_bo *sobj = NULL;
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uint64_t saddr, daddr;
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int r, n;
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int time;
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n = RADEON_BENCHMARK_ITERATIONS;
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r = radeon_bo_create(rdev, size, PAGE_SIZE, true, sdomain, &sobj);
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if (r) {
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goto out_cleanup;
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}
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r = radeon_bo_reserve(sobj, false);
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if (unlikely(r != 0))
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goto out_cleanup;
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r = radeon_bo_pin(sobj, sdomain, &saddr);
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radeon_bo_unreserve(sobj);
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if (r) {
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goto out_cleanup;
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}
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r = radeon_bo_create(rdev, size, PAGE_SIZE, true, ddomain, &dobj);
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if (r) {
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goto out_cleanup;
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}
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r = radeon_bo_reserve(dobj, false);
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if (unlikely(r != 0))
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goto out_cleanup;
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r = radeon_bo_pin(dobj, ddomain, &daddr);
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radeon_bo_unreserve(dobj);
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if (r) {
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goto out_cleanup;
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}
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/* r100 doesn't have dma engine so skip the test */
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/* also, VRAM-to-VRAM test doesn't make much sense for DMA */
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/* skip it as well if domains are the same */
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if ((rdev->asic->copy_dma) && (sdomain != ddomain)) {
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time = radeon_benchmark_do_move(rdev, size, saddr, daddr,
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RADEON_BENCHMARK_COPY_DMA, n);
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if (time < 0)
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goto out_cleanup;
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if (time > 0)
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radeon_benchmark_log_results(n, size, time,
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sdomain, ddomain, "dma");
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}
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time = radeon_benchmark_do_move(rdev, size, saddr, daddr,
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RADEON_BENCHMARK_COPY_BLIT, n);
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if (time < 0)
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goto out_cleanup;
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if (time > 0)
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radeon_benchmark_log_results(n, size, time,
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sdomain, ddomain, "blit");
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out_cleanup:
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if (sobj) {
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r = radeon_bo_reserve(sobj, false);
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if (likely(r == 0)) {
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radeon_bo_unpin(sobj);
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radeon_bo_unreserve(sobj);
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}
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radeon_bo_unref(&sobj);
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}
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if (dobj) {
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r = radeon_bo_reserve(dobj, false);
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if (likely(r == 0)) {
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radeon_bo_unpin(dobj);
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radeon_bo_unreserve(dobj);
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}
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radeon_bo_unref(&dobj);
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}
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if (r) {
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DRM_ERROR("Error while benchmarking BO move.\n");
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}
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}
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void radeon_benchmark(struct radeon_device *rdev, int test_number)
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{
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int i;
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int common_modes[RADEON_BENCHMARK_COMMON_MODES_N] = {
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640 * 480 * 4,
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720 * 480 * 4,
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800 * 600 * 4,
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848 * 480 * 4,
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1024 * 768 * 4,
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1152 * 768 * 4,
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1280 * 720 * 4,
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1280 * 800 * 4,
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1280 * 854 * 4,
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1280 * 960 * 4,
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1280 * 1024 * 4,
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1440 * 900 * 4,
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1400 * 1050 * 4,
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1680 * 1050 * 4,
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1600 * 1200 * 4,
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1920 * 1080 * 4,
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1920 * 1200 * 4
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};
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switch (test_number) {
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case 1:
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/* simple test, VRAM to GTT and GTT to VRAM */
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radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_GTT,
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RADEON_GEM_DOMAIN_VRAM);
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radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_VRAM,
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RADEON_GEM_DOMAIN_GTT);
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break;
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case 2:
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/* simple test, VRAM to VRAM */
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radeon_benchmark_move(rdev, 1024*1024, RADEON_GEM_DOMAIN_VRAM,
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RADEON_GEM_DOMAIN_VRAM);
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break;
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case 3:
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/* GTT to VRAM, buffer size sweep, powers of 2 */
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for (i = 1; i <= 16384; i <<= 1)
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radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE,
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RADEON_GEM_DOMAIN_GTT,
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RADEON_GEM_DOMAIN_VRAM);
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break;
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case 4:
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/* VRAM to GTT, buffer size sweep, powers of 2 */
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for (i = 1; i <= 16384; i <<= 1)
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radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE,
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RADEON_GEM_DOMAIN_VRAM,
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RADEON_GEM_DOMAIN_GTT);
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break;
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case 5:
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/* VRAM to VRAM, buffer size sweep, powers of 2 */
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for (i = 1; i <= 16384; i <<= 1)
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radeon_benchmark_move(rdev, i * RADEON_GPU_PAGE_SIZE,
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RADEON_GEM_DOMAIN_VRAM,
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RADEON_GEM_DOMAIN_VRAM);
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break;
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case 6:
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/* GTT to VRAM, buffer size sweep, common modes */
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for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++)
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radeon_benchmark_move(rdev, common_modes[i],
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RADEON_GEM_DOMAIN_GTT,
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RADEON_GEM_DOMAIN_VRAM);
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break;
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case 7:
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/* VRAM to GTT, buffer size sweep, common modes */
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for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++)
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radeon_benchmark_move(rdev, common_modes[i],
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RADEON_GEM_DOMAIN_VRAM,
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RADEON_GEM_DOMAIN_GTT);
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break;
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case 8:
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/* VRAM to VRAM, buffer size sweep, common modes */
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for (i = 0; i < RADEON_BENCHMARK_COMMON_MODES_N; i++)
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radeon_benchmark_move(rdev, common_modes[i],
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RADEON_GEM_DOMAIN_VRAM,
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RADEON_GEM_DOMAIN_VRAM);
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break;
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default:
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DRM_ERROR("Unknown benchmark\n");
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}
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}
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