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e10c9a730d
- tests with subtests need to be in the _M target for correct enumeration. - No need for igt_exit when using the igt_(simple_)main wrappers. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
120 lines
3.3 KiB
C
120 lines
3.3 KiB
C
/*
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* Copyright © 2014 Intel Corporation
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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 (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* 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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* Authors:
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* Chris Wilson <chris@chris-wilson.co.uk>
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <fcntl.h>
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#include <inttypes.h>
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#include <errno.h>
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#include <sys/time.h>
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#include <pthread.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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#include "ioctl_wrappers.h"
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#define OBJECT_SIZE (1024*1024) /* restricted to 1MiB alignment on i915 fences */
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static double elapsed(const struct timeval *start,
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const struct timeval *end)
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{
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return (end->tv_sec - start->tv_sec) + 1e-6*(end->tv_usec - start->tv_usec);
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}
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static void performance(void)
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{
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int n, loop, count;
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int fd, num_fences;
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double linear[2], tiled[2];
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fd = drm_open_any();
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num_fences = gem_available_fences(fd);
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igt_require(num_fences > 0);
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for (count = 2; count < 4*num_fences; count *= 2) {
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struct timeval start, end;
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uint32_t handle[count];
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void *ptr[count];
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for (n = 0; n < count; n++) {
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handle[n] = gem_create(fd, OBJECT_SIZE);
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ptr[n] = gem_mmap(fd, handle[n], OBJECT_SIZE, PROT_READ | PROT_WRITE);
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igt_assert(ptr[n]);
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}
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gettimeofday(&start, NULL);
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for (loop = 0; loop < 1024; loop++) {
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for (n = 0; n < count; n++)
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memset(ptr[n], 0, OBJECT_SIZE);
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}
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gettimeofday(&end, NULL);
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linear[count != 2] = count * loop / elapsed(&start, &end);
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printf("Upload rate for %d linear surfaces: %7.3fMiB/s\n",
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count, linear[count != 2]);
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for (n = 0; n < count; n++)
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gem_set_tiling(fd, handle[n], I915_TILING_X, 1024);
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gettimeofday(&start, NULL);
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for (loop = 0; loop < 1024; loop++) {
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for (n = 0; n < count; n++)
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memset(ptr[n], 0, OBJECT_SIZE);
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}
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gettimeofday(&end, NULL);
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tiled[count != 2] = count * loop / elapsed(&start, &end);
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printf("Upload rate for %d tiled surfaces: %7.3fMiB/s\n",
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count, tiled[count != 2]);
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for (n = 0; n < count; n++) {
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munmap(ptr[n], OBJECT_SIZE);
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gem_close(fd, handle[n]);
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}
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}
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errno = 0;
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igt_assert(linear[1] > 0.75 * linear[0]);
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igt_assert(tiled[1] > 0.75 * tiled[0]);
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}
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igt_main
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{
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igt_skip_on_simulation();
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igt_subtest("performance")
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performance();
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}
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