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tests/gem_evict_everything: Factor out eviction logic

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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 <tvrtko.ursulin@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Tvrtko Ursulin
2014-02-03 10:59:40 +00:00
committed by Daniel Vetter
parent d8ea09f24d
commit e1dea7e2e1
2 changed files with 276 additions and 169 deletions
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tests/gem_evict_everything.c
+41 -169
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@@ -1,5 +1,5 @@
/*
* 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"),
@@ -45,6 +45,8 @@
#include "i915_drm.h"
#include "drmtest.h"
#include "eviction_common.c"
#define HEIGHT 256
#define WIDTH 1024
@@ -125,183 +127,51 @@ copy(int fd, uint32_t dst, uint32_t src, uint32_t *all_bo, int n_bo, int error)
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))
static struct igt_eviction_test_ops fault_ops = {
.create = gem_create,
.close = gem_close,
.copy = copy,
.clear = clear,
};
#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 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;
int trash_count;
igt_require((uint64_t)count * size / (1024 * 1024) < intel_get_total_ram_mb() * 9 / 10);
trash_count = intel_get_total_ram_mb() * 11 / 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);
}
igt_waitchildren();
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;
trash_count = intel_get_total_ram_mb() * 11 / 10;
bo = malloc(bo_count*sizeof(*bo));
igt_assert(bo);
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
@@ -319,26 +189,28 @@ 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 {
@@ -349,15 +221,15 @@ igt_main
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();