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igt/gem_pread_after_blit: Inject hangs!

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2014-09-04 13:16:52 +01:00
parent 16bafdf5bf
commit 5ae9ecaf55
1 changed files with 51 additions and 31 deletions
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82
tests/gem_pread_after_blit.c
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@ -50,6 +50,7 @@
#include "intel_chipset.h"
#include "intel_io.h"
#include "igt_aux.h"
#include "igt_gt.h"
IGT_TEST_DESCRIPTION("Test pread behavior when getting values out of"
" just-drawn-to buffers.");
@ -122,12 +123,26 @@ verify_small_read(drm_intel_bo *bo, uint32_t val)
}
}
typedef struct igt_hang_ring (*do_hang)(int fd);
static struct igt_hang_ring no_hang(int fd)
{
return (struct igt_hang_ring){0};
}
static struct igt_hang_ring bcs_hang(int fd)
{
return igt_hang_ring(fd, batch->gen, batch->gen >= 6 ? I915_EXEC_BLT : I915_EXEC_DEFAULT);
}
static void do_test(int fd, int cache_level,
drm_intel_bo *src[2],
const uint32_t start[2],
drm_intel_bo *tmp[2],
int loop)
int loop, do_hang do_hang_func)
{
struct igt_hang_ring hang;
if (cache_level != -1) {
gem_set_caching(fd, tmp[0]->handle, cache_level);
gem_set_caching(fd, tmp[1]->handle, cache_level);
@ -136,32 +151,48 @@ static void do_test(int fd, int cache_level,
do {
/* First, do a full-buffer read after blitting */
intel_copy_bo(batch, tmp[0], src[0], width*height*4);
hang = do_hang_func(fd);
verify_large_read(tmp[0], start[0]);
igt_post_hang_ring(fd, hang);
intel_copy_bo(batch, tmp[0], src[1], width*height*4);
hang = do_hang_func(fd);
verify_large_read(tmp[0], start[1]);
igt_post_hang_ring(fd, hang);
intel_copy_bo(batch, tmp[0], src[0], width*height*4);
hang = do_hang_func(fd);
verify_small_read(tmp[0], start[0]);
igt_post_hang_ring(fd, hang);
intel_copy_bo(batch, tmp[0], src[1], width*height*4);
hang = do_hang_func(fd);
verify_small_read(tmp[0], start[1]);
igt_post_hang_ring(fd, hang);
intel_copy_bo(batch, tmp[0], src[0], width*height*4);
hang = do_hang_func(fd);
verify_large_read(tmp[0], start[0]);
igt_post_hang_ring(fd, hang);
intel_copy_bo(batch, tmp[0], src[0], width*height*4);
intel_copy_bo(batch, tmp[1], src[1], width*height*4);
hang = do_hang_func(fd);
verify_large_read(tmp[0], start[0]);
verify_large_read(tmp[1], start[1]);
igt_post_hang_ring(fd, hang);
intel_copy_bo(batch, tmp[0], src[0], width*height*4);
intel_copy_bo(batch, tmp[1], src[1], width*height*4);
hang = do_hang_func(fd);
verify_large_read(tmp[1], start[1]);
verify_large_read(tmp[0], start[0]);
igt_post_hang_ring(fd, hang);
intel_copy_bo(batch, tmp[1], src[0], width*height*4);
intel_copy_bo(batch, tmp[0], src[1], width*height*4);
hang = do_hang_func(fd);
verify_large_read(tmp[0], start[1]);
verify_large_read(tmp[1], start[0]);
igt_post_hang_ring(fd, hang);
} while (--loop);
}
@ -171,6 +202,16 @@ int fd;
igt_main
{
const uint32_t start[2] = {0, 1024 * 1024 / 4};
const struct {
const char *name;
int cache;
} tests[] = {
{ "default", -1 },
{ "uncached", 0 },
{ "snooped", 1 },
{ "display", 2 },
{ NULL, -1 },
}, *t;
igt_skip_on_simulation();
@ -188,40 +229,19 @@ igt_main
dst[1] = drm_intel_bo_alloc(bufmgr, "dst bo", size, 4096);
}
igt_subtest("normal")
do_test(fd, -1, src, start, dst, 1);
for (t = tests; t->name; t++) {
igt_subtest_f("%s-normal", t->name)
do_test(fd, t->cache, src, start, dst, 1, no_hang);
igt_subtest("interruptible") {
igt_fork_signal_helper();
do_test(fd, -1, src, start, dst, 100);
igt_subtest_f("%s-interruptible", t->name)
do_test(fd, t->cache, src, start, dst, 100, no_hang);
igt_stop_signal_helper();
}
igt_subtest("normal-uncached")
do_test(fd, 0, src, start, dst, 1);
igt_subtest("interruptible-uncached") {
igt_fork_signal_helper();
do_test(fd, 0, src, start, dst, 100);
igt_stop_signal_helper();
}
igt_subtest("normal-snoop")
do_test(fd, 1, src, start, dst, 1);
igt_subtest("interruptible-snoop") {
igt_fork_signal_helper();
do_test(fd, 1, src, start, dst, 100);
igt_stop_signal_helper();
}
igt_subtest("normal-display")
do_test(fd, 2, src, start, dst, 1);
igt_subtest("interruptible-display") {
igt_fork_signal_helper();
do_test(fd, 2, src, start, dst, 100);
igt_stop_signal_helper();
igt_subtest_f("%s-hang", t->name) {
igt_require(igt_can_hang_ring(fd, batch->gen, -1));
do_test(fd, t->cache, src, start, dst, 1, bcs_hang);
}
}
igt_fixture {