ntel-gpu-tools/tests/drm_vma_limiter_cpu.c
Thomas Wood 804e11f40d lib: add a single include header
Add a header that includes all the headers for the library. This allows
reorganisation of the library without affecting programs using it and
also simplifies the headers that need to be included to use the library.

Signed-off-by: Thomas Wood <thomas.wood@intel.com>
2015-08-21 09:37:10 +01:00

97 lines
2.8 KiB
C

/*
* 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:
* Daniel Vetter <daniel.vetter@ffwll.ch>
*/
#include "igt.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#include <inttypes.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/time.h>
#include "drm.h"
#include "intel_bufmgr.h"
static drm_intel_bufmgr *bufmgr;
struct intel_batchbuffer *batch;
/* Testcase: check whether the libdrm vma limiter works
*
* We've had reports of the X server exhausting the default rlimit of 64k vma's
* in the kernel. libdrm has grown facilities to limit the vma caching since,
* this checks whether they actually work.
*
* This one checks cpu mmaps only.
*/
#define BO_ARRAY_SIZE 68000
drm_intel_bo *bos[BO_ARRAY_SIZE];
igt_simple_main
{
int fd;
int i;
char *ptr;
igt_skip_on_simulation();
fd = drm_open_any();
bufmgr = drm_intel_bufmgr_gem_init(fd, 4096);
drm_intel_bufmgr_gem_enable_reuse(bufmgr);
batch = intel_batchbuffer_alloc(bufmgr, intel_get_drm_devid(fd));
drm_intel_bufmgr_gem_set_vma_cache_size(bufmgr, 500);
for (i = 0; i < BO_ARRAY_SIZE; i++) {
bos[i] = drm_intel_bo_alloc(bufmgr, "mmap bo", 4096, 4096);
igt_assert(bos[i]);
drm_intel_bo_map(bos[i], 1);
ptr = bos[i]->virtual;
igt_assert(ptr);
*ptr = 'c';
drm_intel_bo_unmap(bos[i]);
}
/* and recheck whether a second map of the same still works */
for (i = 0; i < BO_ARRAY_SIZE; i++) {
bos[i] = drm_intel_bo_alloc(bufmgr, "mmap bo", 4096, 4096);
igt_assert(bos[i]);
drm_intel_bo_map(bos[i], 1);
ptr = bos[i]->virtual;
igt_assert(*ptr = 'c');
drm_intel_bo_unmap(bos[i]);
}
intel_batchbuffer_free(batch);
drm_intel_bufmgr_destroy(bufmgr);
close(fd);
}