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Time blt vs pwrite

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2011-01-21 00:43:11 +00:00
parent 07d59b308d
commit 5fc09c82d4
4 changed files with 455 additions and 0 deletions
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2
.gitignore vendored
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@ -34,6 +34,7 @@ tests/getclient
tests/getstats
tests/getversion
tests/gem_basic
tests/gem_exec_blt
tests/gem_exec_nop
tests/gem_fence_thrash
tests/gem_flink
@ -41,6 +42,7 @@ tests/gem_gtt_speed
tests/gem_largeobject
tests/gem_mmap
tests/gem_pread_after_blit
tests/gem_pwrite
tests/gem_readwrite
tests/gem_ringfill
tests/gem_tiled_blits

2
tests/Makefile.am
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@ -3,10 +3,12 @@ TESTS = getversion \
getstats \
gem_basic \
gem_exec_nop \
gem_exec_blt \
gem_flink \
gem_readwrite \
gem_ringfill \
gem_mmap \
gem_pwrite \
gem_pread_after_blit \
gem_tiled_pread \
gem_tiled_blits \

297
tests/gem_exec_blt.c Normal file
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@ -0,0 +1,297 @@
/*
* 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 <assert.h>
#include <fcntl.h>
#include <inttypes.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/time.h>
#include "drm.h"
#include "i915_drm.h"
#include "drmtest.h"
#define OBJECT_SIZE 16384
#define COPY_BLT_CMD (2<<29|0x53<<22|0x6)
#define BLT_WRITE_ALPHA (1<<21)
#define BLT_WRITE_RGB (1<<20)
#define BLT_SRC_TILED (1<<15)
#define BLT_DST_TILED (1<<11)
#define MI_BATCH_BUFFER_END (0xA<<23)
static uint32_t gem_create(int fd, int size)
{
struct drm_i915_gem_create create;
create.handle = 0;
create.size = (size + 4095) & -4096;
(void)drmIoctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create);
return create.handle;
}
static int gem_write(int fd,
uint32_t handle, uint32_t offset,
const void *src, int length)
{
struct drm_i915_gem_pwrite pwrite;
pwrite.handle = handle;
pwrite.offset = offset;
pwrite.size = length;
pwrite.data_ptr = (uintptr_t)src;
return drmIoctl(fd, DRM_IOCTL_I915_GEM_PWRITE, &pwrite);
}
static int gem_linear_blt(uint32_t *batch,
uint32_t src,
uint32_t dst,
uint32_t length,
struct drm_i915_gem_relocation_entry *reloc)
{
uint32_t *b = batch;
int height = length / (16 * 1024);
assert(height <= 1<<16);
if (height) {
b[0] = COPY_BLT_CMD | BLT_WRITE_ALPHA | BLT_WRITE_RGB;
b[1] = 0xcc << 16 | 1 << 25 | 1 << 24 | (16*1024);
b[2] = 0;
b[3] = height << 16 | (4*1024);
b[4] = 0;
reloc->offset = (b-batch+4) * sizeof(uint32_t);
reloc->delta = 0;
reloc->target_handle = dst;
reloc->read_domains = I915_GEM_DOMAIN_RENDER;
reloc->write_domain = I915_GEM_DOMAIN_RENDER;
reloc->presumed_offset = 0;
reloc++;
b[5] = 0;
b[6] = 16*1024;
b[7] = 0;
reloc->offset = (b-batch+7) * sizeof(uint32_t);
reloc->delta = 0;
reloc->target_handle = src;
reloc->read_domains = I915_GEM_DOMAIN_RENDER;
reloc->write_domain = 0;
reloc->presumed_offset = 0;
reloc++;
b += 8;
length -= height * 16*1024;
}
if (length) {
b[0] = COPY_BLT_CMD | BLT_WRITE_ALPHA | BLT_WRITE_RGB;
b[1] = 0xcc << 16 | 1 << 25 | 1 << 24 | (16*1024);
b[2] = height << 16;
b[3] = (1+height) << 16 | (length / 4);
b[4] = 0;
reloc->offset = (b-batch+4) * sizeof(uint32_t);
reloc->delta = 0;
reloc->target_handle = dst;
reloc->read_domains = I915_GEM_DOMAIN_RENDER;
reloc->write_domain = I915_GEM_DOMAIN_RENDER;
reloc->presumed_offset = 0;
reloc++;
b[5] = height << 16;
b[6] = 16*1024;
b[7] = 0;
reloc->offset = (b-batch+7) * sizeof(uint32_t);
reloc->delta = 0;
reloc->target_handle = src;
reloc->read_domains = I915_GEM_DOMAIN_RENDER;
reloc->write_domain = 0;
reloc->presumed_offset = 0;
reloc++;
b += 8;
}
b[0] = MI_BATCH_BUFFER_END;
b[1] = 0;
return (b+2 - batch) * sizeof(uint32_t);
}
static void gem_close(int fd, uint32_t handle)
{
struct drm_gem_close close;
close.handle = handle;
(void)drmIoctl(fd, DRM_IOCTL_GEM_CLOSE, &close);
}
static void gem_sync(int fd, uint32_t handle)
{
struct drm_i915_gem_set_domain set_domain;
set_domain.handle = handle;
set_domain.read_domains = I915_GEM_DOMAIN_GTT;
set_domain.write_domain = I915_GEM_DOMAIN_GTT;
drmIoctl(fd, DRM_IOCTL_I915_GEM_SET_DOMAIN, &set_domain);
}
static void gem_exec(int fd, struct drm_i915_gem_execbuffer2 *execbuf, int loops)
{
int ret;
while (loops--) {
ret = drmIoctl(fd,
DRM_IOCTL_I915_GEM_EXECBUFFER2,
execbuf);
}
}
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 const char *bytes_per_sec(char *buf, double v)
{
const char *order[] = {
"",
"KiB",
"MiB",
"GiB",
"TiB",
"PiB",
NULL,
}, **o = order;
while (v > 1024 && o[1]) {
v /= 1024;
o++;
}
sprintf(buf, "%.1f%s/s", v, *o);
return buf;
}
static void run(int object_size)
{
struct drm_i915_gem_execbuffer2 execbuf;
struct drm_i915_gem_exec_object2 exec[3];
struct drm_i915_gem_relocation_entry reloc[4];
uint32_t buf[20];
uint32_t handle, src, dst;
int fd, len, count;
fd = drm_open_any();
handle = gem_create(fd, 4096);
src = gem_create(fd, object_size);
dst = gem_create(fd, object_size);
len = gem_linear_blt(buf, src, dst, object_size, reloc);
gem_write(fd, handle, 0, buf, len);
exec[0].handle = src;
exec[0].relocation_count = 0;
exec[0].relocs_ptr = 0;
exec[0].alignment = 0;
exec[0].offset = 0;
exec[0].flags = 0;
exec[0].rsvd1 = 0;
exec[0].rsvd2 = 0;
exec[1].handle = dst;
exec[1].relocation_count = 0;
exec[1].relocs_ptr = 0;
exec[1].alignment = 0;
exec[1].offset = 0;
exec[1].flags = 0;
exec[1].rsvd1 = 0;
exec[1].rsvd2 = 0;
exec[2].handle = handle;
exec[2].relocation_count = len > 40 ? 4 : 2;
exec[2].relocs_ptr = (uintptr_t)reloc;
exec[2].alignment = 0;
exec[2].offset = 0;
exec[2].flags = 0;
exec[2].rsvd1 = 0;
exec[2].rsvd2 = 0;
execbuf.buffers_ptr = (uintptr_t)exec;
execbuf.buffer_count = 3;
execbuf.batch_start_offset = 0;
execbuf.batch_len = len;
execbuf.cliprects_ptr = 0;
execbuf.num_cliprects = 0;
execbuf.DR1 = 0;
execbuf.DR4 = 0;
execbuf.flags = 0;
execbuf.rsvd1 = 0;
execbuf.rsvd2 = 0;
for (count = 1; count <= 1<<17; count <<= 1) {
struct timeval start, end;
gettimeofday(&start, NULL);
gem_exec(fd, &execbuf, count);
gem_sync(fd, handle);
gettimeofday(&end, NULL);
printf("Time to blt %d bytes x %6d: %7.3fµs, %s\n",
object_size, count,
elapsed(&start, &end, count),
bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6));
fflush(stdout);
}
gem_close(fd, handle);
close(fd);
}
int main(int argc, char **argv)
{
int i;
if (argc > 1) {
for (i = 1; i < argc; i++) {
int object_size = atoi(argv[i]);
if (object_size)
run((object_size + 3) & -4);
}
} else
run(OBJECT_SIZE);
return 0;
}

154
tests/gem_pwrite.c Normal file
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@ -0,0 +1,154 @@
/*
* 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 <assert.h>
#include <fcntl.h>
#include <inttypes.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/time.h>
#include "drm.h"
#include "i915_drm.h"
#include "drmtest.h"
#define OBJECT_SIZE 16384
#define COPY_BLT_CMD (2<<29|0x53<<22|0x6)
#define BLT_WRITE_ALPHA (1<<21)
#define BLT_WRITE_RGB (1<<20)
#define BLT_SRC_TILED (1<<15)
#define BLT_DST_TILED (1<<11)
#define MI_BATCH_BUFFER_END (0xA<<23)
static uint32_t gem_create(int fd, int size)
{
struct drm_i915_gem_create create;
create.handle = 0;
create.size = (size + 4095) & -4096;
(void)drmIoctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create);
return create.handle;
}
static int gem_write(int fd,
uint32_t handle, uint32_t offset,
const void *src, int length)
{
struct drm_i915_gem_pwrite pwrite;
pwrite.handle = handle;
pwrite.offset = offset;
pwrite.size = length;
pwrite.data_ptr = (uintptr_t)src;
return drmIoctl(fd, DRM_IOCTL_I915_GEM_PWRITE, &pwrite);
}
static void gem_close(int fd, uint32_t handle)
{
struct drm_gem_close close;
close.handle = handle;
(void)drmIoctl(fd, DRM_IOCTL_GEM_CLOSE, &close);
}
static void do_gem_write(int fd, uint32_t handle, void *buf, int len, int loops)
{
while (loops--)
gem_write(fd, handle, 0, buf, len);
}
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 const char *bytes_per_sec(char *buf, double v)
{
const char *order[] = {
"",
"KiB",
"MiB",
"GiB",
"TiB",
NULL,
}, **o = order;
while (v > 1000 && o[1]) {
v /= 1000;
o++;
}
sprintf(buf, "%.1f%s/s", v, *o);
return buf;
}
int main(int argc, char **argv)
{
int object_size = 0;
uint32_t buf[20];
uint32_t *src, dst;
int fd, count;
if (argc > 1)
object_size = atoi(argv[1]);
if (object_size == 0)
object_size = OBJECT_SIZE;
object_size = (object_size + 3) & -4;
fd = drm_open_any();
dst = gem_create(fd, object_size);
src = malloc(object_size);
for (count = 1; count <= 1<<17; count <<= 1) {
struct timeval start, end;
gettimeofday(&start, NULL);
do_gem_write(fd, dst, src, object_size, count);
gettimeofday(&end, NULL);
printf("Time to pwrite %d bytes x %6d: %7.3fµs, %s\n",
object_size, count,
elapsed(&start, &end, count),
bytes_per_sec((char *)buf, object_size/elapsed(&start, &end, count)*1e6));
fflush(stdout);
}
free(src);
gem_close(fd, dst);
close(fd);
return 0;
}