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/*
* 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 <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 "drm.h"
#include "i915_drm.h"
#include "drmtest.h"
#include "intel_gpu_tools.h"
#define LOCAL_I915_EXEC_VEBOX (4<<0)
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 int exec(int fd, uint32_t handle, int loops, unsigned ring_id)
{
struct drm_i915_gem_execbuffer2 execbuf;
struct drm_i915_gem_exec_object2 gem_exec[1];
int ret = 0;
gem_exec[0].handle = handle;
gem_exec[0].relocation_count = 0;
gem_exec[0].relocs_ptr = 0;
gem_exec[0].alignment = 0;
gem_exec[0].offset = 0;
gem_exec[0].flags = 0;
gem_exec[0].rsvd1 = 0;
gem_exec[0].rsvd2 = 0;
execbuf.buffers_ptr = (uintptr_t)gem_exec;
execbuf.buffer_count = 1;
execbuf.batch_start_offset = 0;
execbuf.batch_len = 8;
execbuf.cliprects_ptr = 0;
execbuf.num_cliprects = 0;
execbuf.DR1 = 0;
execbuf.DR4 = 0;
execbuf.flags = ring_id;
i915_execbuffer2_set_context_id(execbuf, 0);
execbuf.rsvd2 = 0;
while (loops-- && ret == 0) {
ret = drmIoctl(fd,
DRM_IOCTL_I915_GEM_EXECBUFFER2,
&execbuf);
}
gem_sync(fd, handle);
return ret;
}
static void loop(int fd, uint32_t handle, unsigned ring_id, const char *ring_name)
{
int count;
gem_require_ring(fd, ring_id);
for (count = 1; count <= SLOW_QUICK(1<<17, 1<<4); count <<= 1) {
struct timeval start, end;
gettimeofday(&start, NULL);
igt_assert(exec(fd, handle, count, ring_id) == 0);
gettimeofday(&end, NULL);
printf("Time to exec x %d: %7.3fµs (ring=%s)\n",
count, elapsed(&start, &end, count), ring_name);
fflush(stdout);
}
}
uint32_t batch[2] = {MI_BATCH_BUFFER_END};
uint32_t handle;
int fd;
int main(int argc, char **argv)
{
igt_subtest_init(argc, argv);
igt_fixture {
fd = drm_open_any();
handle = gem_create(fd, 4096);
gem_write(fd, handle, 0, batch, sizeof(batch));
}
igt_subtest("render")
loop(fd, handle, I915_EXEC_RENDER, "render");
igt_subtest("bsd")
loop(fd, handle, I915_EXEC_BSD, "bsd");
igt_subtest("blt")
loop(fd, handle, I915_EXEC_BLT, "blt");
igt_subtest("vebox")
loop(fd, handle, LOCAL_I915_EXEC_VEBOX, "vebox");
igt_fixture {
gem_close(fd, handle);
close(fd);
}
igt_exit();
}
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