From e1dea7e2e190307056a05a2945e59b59fe5b6fc0 Mon Sep 17 00:00:00 2001 From: Tvrtko Ursulin Date: Mon, 3 Feb 2014 10:59:40 +0000 Subject: tests/gem_evict_everything: Factor out eviction logic In preparation for userptr test we move the eviction logic into a common file so it can be used from both test cases. Signed-off-by: Tvrtko Ursulin Signed-off-by: Daniel Vetter --- tests/eviction_common.c | 235 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 235 insertions(+) create mode 100644 tests/eviction_common.c (limited to 'tests/eviction_common.c') diff --git a/tests/eviction_common.c b/tests/eviction_common.c new file mode 100644 index 00000000..efe560cb --- /dev/null +++ b/tests/eviction_common.c @@ -0,0 +1,235 @@ +/* + * Copyright © 2007, 2011, 2013, 2014 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: + * Eric Anholt + * Daniel Vetter + * Tvrtko Ursulin + * + */ + +#include + +#include "drmtest.h" + +struct igt_eviction_test_ops +{ + uint32_t (*create)(int fd, int size); + void (*close)(int fd, uint32_t bo); + void (*copy)(int fd, uint32_t dst, uint32_t src, + uint32_t *all_bo, int nr_bos, int error); + void (*clear)(int fd, uint32_t bo, int size); +}; + +#define FORKING_EVICTIONS_INTERRUPTIBLE (1 << 0) +#define FORKING_EVICTIONS_SWAPPING (1 << 1) +#define FORKING_EVICTIONS_DUP_DRMFD (1 << 2) +#define FORKING_EVICTIONS_MEMORY_PRESSURE (1 << 3) +#define ALL_FORKING_EVICTIONS (FORKING_EVICTIONS_INTERRUPTIBLE | \ + FORKING_EVICTIONS_SWAPPING | \ + FORKING_EVICTIONS_DUP_DRMFD | \ + FORKING_EVICTIONS_MEMORY_PRESSURE) + +static void exchange_uint32_t(void *array, unsigned i, unsigned j) +{ + uint32_t *i_arr = array; + uint32_t i_tmp; + + i_tmp = i_arr[i]; + i_arr[i] = i_arr[j]; + i_arr[j] = i_tmp; +} + +static int minor_evictions(int fd, struct igt_eviction_test_ops *ops, + int surface_size, int nr_surfaces) +{ + uint32_t *bo, *sel; + int n, m, pass, fail; + + igt_require((uint64_t)nr_surfaces * surface_size / (1024 * 1024) + < intel_get_total_ram_mb() * 9 / 10); + + bo = malloc(3*nr_surfaces*sizeof(*bo)); + igt_assert(bo); + + for (n = 0; n < 2*nr_surfaces; n++) + bo[n] = ops->create(fd, surface_size); + + sel = bo + n; + for (fail = 0, m = 0; fail < 10; fail++) { + for (pass = 0; pass < 100; pass++) { + for (n = 0; n < nr_surfaces; n++, m += 7) + sel[n] = bo[m%(2*nr_surfaces)]; + ops->copy(fd, sel[0], sel[1], sel, nr_surfaces, 0); + } + ops->copy(fd, bo[0], bo[0], bo, 2*nr_surfaces, ENOSPC); + } + + for (n = 0; n < 2*nr_surfaces; n++) + ops->close(fd, bo[n]); + free(bo); + + return 0; +} + +static int major_evictions(int fd, struct igt_eviction_test_ops *ops, + int surface_size, int nr_surfaces) +{ + int n, m, loop; + uint32_t *bo; + + igt_require((uint64_t)nr_surfaces * surface_size / (1024 * 1024) + < intel_get_total_ram_mb() * 9 / 10); + + bo = malloc(nr_surfaces*sizeof(*bo)); + igt_assert(bo); + + for (n = 0; n < nr_surfaces; n++) + bo[n] = ops->create(fd, surface_size); + + for (loop = 0, m = 0; loop < 100; loop++, m += 17) { + n = m % nr_surfaces; + ops->copy(fd, bo[n], bo[n], &bo[n], 1, 0); + } + + for (n = 0; n < nr_surfaces; n++) + ops->close(fd, bo[n]); + free(bo); + + return 0; +} + +static int swapping_evictions(int fd, struct igt_eviction_test_ops *ops, + int surface_size, + int working_surfaces, + int trash_surfaces) +{ + uint32_t *bo; + int i, n, pass; + + igt_require((uint64_t)working_surfaces * surface_size / (1024 * 1024) + < intel_get_total_ram_mb() * 9 / 10); + + if (trash_surfaces < working_surfaces) + trash_surfaces = working_surfaces; + + bo = malloc(trash_surfaces*sizeof(*bo)); + igt_assert(bo); + + for (n = 0; n < trash_surfaces; n++) + bo[n] = ops->create(fd, surface_size); + + for (i = 0; i < trash_surfaces/32; i++) { + igt_permute_array(bo, trash_surfaces, exchange_uint32_t); + + for (pass = 0; pass < 100; pass++) { + ops->copy(fd, bo[0], bo[1], bo, working_surfaces, 0); + } + } + + for (n = 0; n < trash_surfaces; n++) + ops->close(fd, bo[n]); + free(bo); + + return 0; +} + +#define min(a, b) ((a) < (b) ? (a) : (b)) + +static int forking_evictions(int fd, struct igt_eviction_test_ops *ops, + int surface_size, int working_surfaces, + int trash_surfaces, unsigned flags) +{ + uint32_t *bo; + int n, pass, l; + int num_threads = sysconf(_SC_NPROCESSORS_ONLN); + int bo_count; + + igt_require((uint64_t)working_surfaces * surface_size / (1024 * 1024) + < intel_get_total_ram_mb() * 9 / 10); + + if (flags & FORKING_EVICTIONS_SWAPPING) { + igt_require(intel_get_total_ram_mb() / 4 + < intel_get_total_swap_mb()); + bo_count = trash_surfaces; + + if (bo_count < working_surfaces) + bo_count = working_surfaces; + } else + bo_count = working_surfaces; + + bo = malloc(bo_count*sizeof(*bo)); + igt_assert(bo); + + for (n = 0; n < bo_count; n++) + bo[n] = ops->create(fd, surface_size); + + igt_fork(i, min(num_threads * 4, 12)) { + int realfd = fd; + int num_passes = flags & FORKING_EVICTIONS_SWAPPING ? 10 : 100; + + /* Every fork should have a different permutation! */ + srand(i * 63); + + if (flags & FORKING_EVICTIONS_INTERRUPTIBLE) + igt_fork_signal_helper(); + + igt_permute_array(bo, bo_count, exchange_uint32_t); + + if (flags & FORKING_EVICTIONS_DUP_DRMFD) { + realfd = drm_open_any(); + + /* We can overwrite the bo array since we're forked. */ + for (l = 0; l < bo_count; l++) { + uint32_t flink; + + flink = gem_flink(fd, bo[l]); + bo[l] = gem_open(realfd, flink); + } + } + + for (pass = 0; pass < num_passes; pass++) { + ops->copy(realfd, bo[0], bo[1], bo, working_surfaces, 0); + + for (l = 0; l < working_surfaces && + (flags & FORKING_EVICTIONS_MEMORY_PRESSURE); + l++) { + ops->clear(realfd, bo[l], surface_size); + } + } + + if (flags & FORKING_EVICTIONS_INTERRUPTIBLE) + igt_stop_signal_helper(); + + /* drmfd closing will take care of additional bo refs */ + if (flags & FORKING_EVICTIONS_DUP_DRMFD) + close(realfd); + } + + igt_waitchildren(); + + for (n = 0; n < bo_count; n++) + ops->close(fd, bo[n]); + free(bo); + + return 0; +} -- cgit v1.2.3