--- /dev/null
+/*
+ * 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 <eric@anholt.net>
+ * Daniel Vetter <daniel.vetter@ffwll.ch>
+ * Tvrtko Ursulin <tvrtko.ursulin@intel.com>
+ *
+ */
+
+#include <stdlib.h>
+
+#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;
+}
/*
- * Copyright © 2011,2012 Intel Corporation
+ * Copyright © 2011,2012,2014 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
#include "i915_drm.h"
#include "drmtest.h"
+#include "eviction_common.c"
+
#define HEIGHT 256
#define WIDTH 1024
free(obj);
}
-static void exchange_uint32_t(void *array, unsigned i, unsigned j)
+static void clear(int fd, uint32_t handle, int size)
{
- uint32_t *i_arr = array;
- uint32_t i_tmp;
+ void *base = gem_mmap__cpu(fd, handle, size, PROT_READ | PROT_WRITE);
- i_tmp = i_arr[i];
- i_arr[i] = i_arr[j];
- i_arr[j] = i_tmp;
+ igt_assert(base != NULL);
+ memset(base, 0, size);
+ munmap(base, size);
}
-#define min(a, b) ((a) < (b) ? (a) : (b))
-
-#define INTERRUPTIBLE (1 << 0)
-#define SWAPPING (1 << 1)
-#define DUP_DRMFD (1 << 2)
-#define MEMORY_PRESSURE (1 << 3)
-#define ALL_FLAGS (INTERRUPTIBLE | SWAPPING | DUP_DRMFD | MEMORY_PRESSURE)
+static struct igt_eviction_test_ops fault_ops = {
+ .create = gem_create,
+ .close = gem_close,
+ .copy = copy,
+ .clear = clear,
+};
-static void forked_evictions(int fd, int size, int count,
- unsigned flags)
+static void test_forking_evictions(int fd, int size, int count,
+ unsigned flags)
{
- uint32_t *bo;
- int n, pass, l;
- int num_threads = sysconf(_SC_NPROCESSORS_ONLN);
- int bo_count;
-
- igt_require((uint64_t)count * size / (1024 * 1024) < intel_get_total_ram_mb() * 9 / 10);
-
- if (flags & SWAPPING) {
- igt_require(intel_get_total_ram_mb() / 4 < intel_get_total_swap_mb());
- bo_count = intel_get_total_ram_mb() * 11 / 10;
-
- if (bo_count < count)
- bo_count = count;
- } else
- bo_count = count;
-
- bo = malloc(bo_count*sizeof(*bo));
- igt_assert(bo);
-
- for (n = 0; n < bo_count; n++)
- bo[n] = gem_create(fd, size);
-
- igt_fork(i, min(count, min(num_threads * 5, 12))) {
- int realfd = fd;
- int num_passes = flags & SWAPPING ? 10 : 100;
-
- /* Every fork should have a different permutation! */
- srand(i * 63);
-
- if (flags & INTERRUPTIBLE)
- igt_fork_signal_helper();
-
- igt_permute_array(bo, bo_count, exchange_uint32_t);
-
- if (flags & DUP_DRMFD) {
- realfd = drm_open_any();
-
- /* We can overwrite the bo array since we're forked. */
- for (l = 0; l < count; l++) {
- uint32_t flink;
-
- flink = gem_flink(fd, bo[l]);
- bo[l] = gem_open(realfd, flink);
- }
-
- }
-
- for (pass = 0; pass < num_passes; pass++) {
- copy(realfd, bo[0], bo[1], bo, count, 0);
-
- for (l = 0; l < count && (flags & MEMORY_PRESSURE); l++) {
- uint32_t *base = gem_mmap__cpu(realfd, bo[l],
- size,
- PROT_READ | PROT_WRITE);
- memset(base, 0, size);
- munmap(base, size);
- }
- }
-
- if (flags & INTERRUPTIBLE)
- igt_stop_signal_helper();
-
- /* drmfd closing will take care of additional bo refs */
- if (flags & DUP_DRMFD)
- close(realfd);
- }
+ int trash_count;
- igt_waitchildren();
+ trash_count = intel_get_total_ram_mb() * 11 / 10;
- for (n = 0; n < bo_count; n++)
- gem_close(fd, bo[n]);
- free(bo);
+ forking_evictions(fd, &fault_ops, size, count, trash_count, flags);
}
-static void swapping_evictions(int fd, int size, int count)
+static void test_swapping_evictions(int fd, int size, int count)
{
- uint32_t *bo;
- int i, n, pass;
- int bo_count;
-
- igt_require((uint64_t)count * size / (1024 * 1024) < intel_get_total_ram_mb() * 9 / 10);
+ int trash_count;
igt_require(intel_get_total_ram_mb() / 4 < intel_get_total_swap_mb());
- bo_count = intel_get_total_ram_mb() * 11 / 10;
-
- if (bo_count < count)
- bo_count = count;
- bo = malloc(bo_count*sizeof(*bo));
- igt_assert(bo);
+ trash_count = intel_get_total_ram_mb() * 11 / 10;
- for (n = 0; n < bo_count; n++)
- bo[n] = gem_create(fd, size);
-
- for (i = 0; i < bo_count/32; i++) {
- igt_permute_array(bo, bo_count, exchange_uint32_t);
-
- for (pass = 0; pass < 100; pass++) {
- copy(fd, bo[0], bo[1], bo, count, 0);
- }
- }
-
- for (n = 0; n < bo_count; n++)
- gem_close(fd, bo[n]);
- free(bo);
+ swapping_evictions(fd, &fault_ops, size, count, trash_count);
}
-static void minor_evictions(int fd, int size, int count)
+static void test_minor_evictions(int fd, int size, int count)
{
- uint32_t *bo, *sel;
- int n, m, pass, fail;
-
- igt_require((uint64_t)count * size / (1024 * 1024) < intel_get_total_ram_mb() * 9 / 10);
-
- bo = malloc(3*count*sizeof(*bo));
- igt_assert(bo);
-
- for (n = 0; n < 2*count; n++)
- bo[n] = gem_create(fd, size);
-
- sel = bo + n;
- for (fail = 0, m = 0; fail < 10; fail++) {
- for (pass = 0; pass < 100; pass++) {
- for (n = 0; n < count; n++, m += 7)
- sel[n] = bo[m%(2*count)];
- copy(fd, sel[0], sel[1], sel, count, 0);
- }
- copy(fd, bo[0], bo[0], bo, 2*count, ENOSPC);
- }
-
- for (n = 0; n < 2*count; n++)
- gem_close(fd, bo[n]);
- free(bo);
+ minor_evictions(fd, &fault_ops, size, count);
}
-static void major_evictions(int fd, int size, int count)
+static void test_major_evictions(int fd, int size, int count)
{
- int n, m, loop;
- uint32_t *bo;
-
- igt_require((uint64_t)count * size / (1024 * 1024) < intel_get_total_ram_mb() * 9 / 10);
-
- bo = malloc(count*sizeof(*bo));
- igt_assert(bo);
-
- for (n = 0; n < count; n++)
- bo[n] = gem_create(fd, size);
-
- for (loop = 0, m = 0; loop < 100; loop++, m += 17) {
- n = m % count;
- copy(fd, bo[n], bo[n], &bo[n], 1, 0);
- }
-
- for (n = 0; n < count; n++)
- gem_close(fd, bo[n]);
- free(bo);
+ major_evictions(fd, &fault_ops, size, count);
}
igt_main
count = 3*gem_aperture_size(fd) / size / 4;
}
- for (unsigned flags = 0; flags < ALL_FLAGS + 1; flags++) {
+ for (unsigned flags = 0; flags < ALL_FORKING_EVICTIONS + 1; flags++) {
igt_subtest_f("forked%s%s%s-%s",
- flags & SWAPPING ? "-swapping" : "",
- flags & DUP_DRMFD ? "-multifd" : "",
- flags & MEMORY_PRESSURE ? "-mempressure" : "",
- flags & INTERRUPTIBLE ? "interruptible" : "normal") {
- forked_evictions(fd, size, count, flags);
+ flags & FORKING_EVICTIONS_SWAPPING ? "-swapping" : "",
+ flags & FORKING_EVICTIONS_DUP_DRMFD ? "-multifd" : "",
+ flags & FORKING_EVICTIONS_MEMORY_PRESSURE ?
+ "-mempressure" : "",
+ flags & FORKING_EVICTIONS_INTERRUPTIBLE ?
+ "interruptible" : "normal") {
+ test_forking_evictions(fd, size, count, flags);
}
}
igt_subtest("swapping-normal")
- swapping_evictions(fd, size, count);
+ test_swapping_evictions(fd, size, count);
igt_subtest("minor-normal")
- minor_evictions(fd, size, count);
+ test_minor_evictions(fd, size, count);
igt_subtest("major-normal") {
size = 3*gem_aperture_size(fd) / 4;
count = 4;
- major_evictions(fd, size, count);
+ test_major_evictions(fd, size, count);
}
igt_fixture {
igt_fork_signal_helper();
igt_subtest("swapping-interruptible")
- swapping_evictions(fd, size, count);
+ test_swapping_evictions(fd, size, count);
igt_subtest("minor-interruptible")
- minor_evictions(fd, size, count);
+ test_minor_evictions(fd, size, count);
igt_subtest("major-interruptible") {
size = 3*gem_aperture_size(fd) / 4;
count = 4;
- major_evictions(fd, size, count);
+ test_major_evictions(fd, size, count);
}
igt_stop_signal_helper();
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