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121 lines
3.1 KiB
121 lines
3.1 KiB
/*
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* Copyright © 2011-2015 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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#include <unistd.h>
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#include <stdlib.h>
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#include <stdint.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/stat.h>
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#include <sys/ioctl.h>
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#include <sys/time.h>
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#include <time.h>
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#include "drm.h"
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#include "ioctl_wrappers.h"
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#include "drmtest.h"
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#include "igt_aux.h"
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#include "igt_stats.h"
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#define OBJECT_SIZE (1<<23)
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static uint64_t elapsed(const struct timespec *start,
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const struct timespec *end)
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{
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return 1000000000ULL*(end->tv_sec - start->tv_sec) + (end->tv_nsec - start->tv_nsec);
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}
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int main(int argc, char **argv)
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{
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int fd = drm_open_driver(DRIVER_INTEL);
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int domain = I915_GEM_DOMAIN_GTT;
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enum dir { READ, WRITE } dir = READ;
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void *buf = malloc(OBJECT_SIZE);
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uint32_t handle;
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int reps = 13;
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int c, size;
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while ((c = getopt (argc, argv, "D:d:r:")) != -1) {
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switch (c) {
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case 'd':
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if (strcmp(optarg, "cpu") == 0)
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domain = I915_GEM_DOMAIN_CPU;
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else if (strcmp(optarg, "gtt") == 0)
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domain = I915_GEM_DOMAIN_GTT;
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break;
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case 'D':
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if (strcmp(optarg, "read") == 0)
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dir = READ;
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else if (strcmp(optarg, "write") == 0)
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dir = WRITE;
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else
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abort();
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break;
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case 'r':
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reps = atoi(optarg);
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if (reps < 1)
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reps = 1;
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break;
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default:
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break;
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}
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}
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handle = gem_create(fd, OBJECT_SIZE);
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for (size = 1; size <= OBJECT_SIZE; size <<= 1) {
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igt_stats_t stats;
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int n;
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igt_stats_init_with_size(&stats, reps);
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for (n = 0; n < reps; n++) {
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struct timespec start, end;
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gem_set_domain(fd, handle, domain, domain);
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clock_gettime(CLOCK_MONOTONIC, &start);
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if (dir == READ)
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gem_read(fd, handle, 0, buf, size);
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else
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gem_write(fd, handle, 0, buf, size);
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clock_gettime(CLOCK_MONOTONIC, &end);
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igt_stats_push(&stats, elapsed(&start, &end));
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}
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printf("%7.3f\n", igt_stats_get_trimean(&stats)/1000);
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igt_stats_fini(&stats);
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}
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return 0;
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}
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