You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
120 lines
3.0 KiB
120 lines
3.0 KiB
/*
|
|
* Copyright © 2011-2015 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 <fcntl.h>
|
|
#include <inttypes.h>
|
|
#include <errno.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/time.h>
|
|
#include <time.h>
|
|
|
|
#include "drm.h"
|
|
#include "ioctl_wrappers.h"
|
|
#include "drmtest.h"
|
|
#include "igt_aux.h"
|
|
|
|
static double elapsed(const struct timespec *start,
|
|
const struct timespec *end)
|
|
{
|
|
return (end->tv_sec - start->tv_sec) + 1e-9*(end->tv_nsec - start->tv_nsec);
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
int fd = drm_open_driver(DRIVER_INTEL);
|
|
uint32_t cpu_write = 0;
|
|
uint32_t gtt_write = 0;
|
|
int reps = 13;
|
|
int size = 1024*1024;
|
|
uint32_t handle;
|
|
int c, n;
|
|
|
|
while ((c = getopt (argc, argv, "c:g:r:s:")) != -1) {
|
|
switch (c) {
|
|
case 'c':
|
|
cpu_write = *optarg == 'w' ? I915_GEM_DOMAIN_CPU : 0;
|
|
break;
|
|
case 'g':
|
|
gtt_write = *optarg == 'w' ? I915_GEM_DOMAIN_GTT : 0;
|
|
break;
|
|
|
|
case 'r':
|
|
reps = atoi(optarg);
|
|
if (reps < 1)
|
|
reps = 1;
|
|
break;
|
|
|
|
case 's':
|
|
size = atoi(optarg);
|
|
if (size < 4096)
|
|
size = 4096;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
fprintf(stderr, "size=%d, cpu=%d, gtt=%d\n", size, cpu_write, gtt_write);
|
|
|
|
handle = gem_create(fd, size);
|
|
gem_set_caching(fd, handle, I915_CACHING_NONE);
|
|
|
|
for (n = 0; n < reps; n++) {
|
|
struct timespec start, end;
|
|
uint64_t count = 0;
|
|
|
|
gem_set_domain(fd, handle,
|
|
I915_GEM_DOMAIN_CPU,
|
|
cpu_write);
|
|
|
|
clock_gettime(CLOCK_MONOTONIC, &start);
|
|
do {
|
|
for (c = 0; c < 1000; c++) {
|
|
gem_set_domain(fd, handle,
|
|
I915_GEM_DOMAIN_GTT,
|
|
gtt_write);
|
|
gem_set_domain(fd, handle,
|
|
I915_GEM_DOMAIN_CPU,
|
|
cpu_write);
|
|
}
|
|
count += c;
|
|
clock_gettime(CLOCK_MONOTONIC, &end);
|
|
} while (end.tv_sec - start.tv_sec < 2);
|
|
|
|
printf("%f\n", count / elapsed(&start, &end));
|
|
}
|
|
|
|
return 0;
|
|
}
|