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https://github.com/tiagovignatti/intel-gpu-tools.git
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fbe92a222e
Trying to allocate and use lots of contexts with execlists and !llc end ups in faliure very quickly. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
118 lines
3.3 KiB
C
118 lines
3.3 KiB
C
/*
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* Copyright © 2012 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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* Ben Widawsky <ben@bwidawsk.net>
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*
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*/
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#include "igt.h"
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <time.h>
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static int __gem_context_create(int fd, struct drm_i915_gem_context_create *arg)
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{
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int ret = 0;
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if (drmIoctl(fd, DRM_IOCTL_I915_GEM_CONTEXT_CREATE, arg))
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ret = -errno;
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return ret;
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}
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static double elapsed(const struct timespec *start,
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const struct timespec *end)
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{
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return (end->tv_sec - start->tv_sec) + 1e-9*(end->tv_nsec - start->tv_nsec);
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}
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static void active(int fd, int timeout)
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{
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const uint32_t bbe = MI_BATCH_BUFFER_END;
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struct drm_i915_gem_execbuffer2 execbuf;
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struct drm_i915_gem_exec_object2 obj;
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struct timespec start, end;
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unsigned count = 0;
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memset(&obj, 0, sizeof(obj));
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obj.handle = gem_create(fd, 4096);
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gem_write(fd, obj.handle, 0, &bbe, sizeof(bbe));
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memset(&execbuf, 0, sizeof(execbuf));
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execbuf.buffers_ptr = (uintptr_t)&obj;
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execbuf.buffer_count = 1;
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clock_gettime(CLOCK_MONOTONIC, &start);
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do {
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do {
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execbuf.rsvd1 = gem_context_create(fd);
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gem_execbuf(fd, &execbuf);
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gem_context_destroy(fd, execbuf.rsvd1);
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} while (++count & 1023);
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clock_gettime(CLOCK_MONOTONIC, &end);
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} while (elapsed(&start, &end) < timeout);
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gem_sync(fd, obj.handle);
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clock_gettime(CLOCK_MONOTONIC, &end);
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igt_info("Context creation + execution: %.3f us\n",
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elapsed(&start, &end) / count *1e6);
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gem_close(fd, obj.handle);
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}
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igt_main
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{
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struct drm_i915_gem_context_create create;
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int fd;
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igt_fixture {
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fd = drm_open_driver_render(DRIVER_INTEL);
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memset(&create, 0, sizeof(create));
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igt_require(__gem_context_create(fd, &create) == 0);
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gem_context_destroy(fd, create.ctx_id);
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}
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igt_subtest("basic") {
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memset(&create, 0, sizeof(create));
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create.ctx_id = rand();
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create.pad = 0;
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igt_assert_eq(__gem_context_create(fd, &create), 0);
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igt_assert(create.ctx_id != 0);
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gem_context_destroy(fd, create.ctx_id);
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}
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igt_subtest("invalid-pad") {
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memset(&create, 0, sizeof(create));
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create.ctx_id = rand();
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create.pad = 1;
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igt_assert_eq(__gem_context_create(fd, &create), -EINVAL);
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}
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igt_subtest("active")
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active(fd, 20);
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igt_fixture
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close(fd);
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}
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