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igt/gem_busy: Test parallel execution

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Parallel but not concurrent!

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2016-04-25 09:16:20 +01:00
parent 1e9a3acfd4
commit 13cfccd665
1 changed files with 44 additions and 10 deletions
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54
tests/gem_busy.c
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@ -222,7 +222,8 @@ static void semaphore(int fd, unsigned ring, uint32_t flags)
gem_close(fd, handle[i]);
}
static void store(int fd, unsigned ring, uint32_t flags)
#define PARALLEL 1
static void one(int fd, unsigned ring, uint32_t flags, unsigned test_flags)
{
const int gen = intel_gen(intel_get_drm_devid(fd));
struct drm_i915_gem_exec_object2 obj[2];
@ -236,13 +237,6 @@ static void store(int fd, unsigned ring, uint32_t flags)
uint32_t *batch, *bbe;
int i, count;
gem_require_ring(fd, ring | flags);
igt_skip_on_f(gen == 6 && (ring & ~(3<<13)) == I915_EXEC_BSD,
"MI_STORE_DATA broken on gen6 bsd\n");
gem_require_mmap_wc(fd);
gem_quiescent_gpu(fd);
memset(&execbuf, 0, sizeof(execbuf));
execbuf.buffers_ptr = (uintptr_t)obj;
execbuf.buffer_count = 2;
@ -317,6 +311,18 @@ static void store(int fd, unsigned ring, uint32_t flags)
__gem_busy(fd, obj[SCRATCH].handle, &read[SCRATCH], &write[SCRATCH]);
__gem_busy(fd, obj[BATCH].handle, &read[BATCH], &write[BATCH]);
if (test_flags & PARALLEL) {
const struct intel_execution_engine *e;
for (e = intel_execution_engines; e->name; e++) {
if (e->exec_id == 0 || e->exec_id == ring)
continue;
igt_debug("Testing %s in parallel\n", e->name);
one(fd, e->exec_id, e->flags, 0);
}
}
*bbe = MI_BATCH_BUFFER_END;
__sync_synchronize();
@ -368,13 +374,41 @@ igt_main
fd = drm_open_driver_master(DRIVER_INTEL);
igt_subtest_group {
int gen = 0;
igt_fixture {
gem_require_mmap_wc(fd);
gen = intel_gen(intel_get_drm_devid(fd));
}
for (e = intel_execution_engines; e->name; e++) {
/* default exec-id is purely symbolic */
if (e->exec_id == 0)
continue;
igt_subtest_f("basic-%s", e->name)
store(fd, e->exec_id, e->flags);
igt_subtest_f("basic-%s", e->name) {
gem_require_ring(fd, e->exec_id | e->flags);
igt_skip_on_f(gen == 6 &&
e->exec_id == I915_EXEC_BSD,
"MI_STORE_DATA broken on gen6 bsd\n");
gem_quiescent_gpu(fd);
one(fd, e->exec_id, e->flags, 0);
}
}
for (e = intel_execution_engines; e->name; e++) {
/* default exec-id is purely symbolic */
if (e->exec_id == 0)
continue;
igt_subtest_f("basic-parallel-%s", e->name) {
gem_require_ring(fd, e->exec_id | e->flags);
igt_skip_on_f(gen == 6 &&
e->exec_id == I915_EXEC_BSD,
"MI_STORE_DATA broken on gen6 bsd\n");
gem_quiescent_gpu(fd);
}
one(fd, e->exec_id, e->flags, PARALLEL);
}
}