diff options
Diffstat (limited to 'tests/gem_exec_schedule.c')
| -rw-r--r-- | tests/gem_exec_schedule.c | 58 |
1 files changed, 32 insertions, 26 deletions
diff --git a/tests/gem_exec_schedule.c b/tests/gem_exec_schedule.c index 05f7ae38..1fc7c697 100644 --- a/tests/gem_exec_schedule.c +++ b/tests/gem_exec_schedule.c @@ -43,6 +43,8 @@ #define BUSY_QLEN 8 #define MAX_ELSP_QLEN 16 +#define MAX_CONTEXTS 1024 + IGT_TEST_DESCRIPTION("Check that we can control the order of execution"); static void store_dword(int fd, uint32_t ctx, unsigned ring, @@ -556,8 +558,8 @@ static void preemptive_hang(int fd, unsigned ring) static void deep(int fd, unsigned ring) { #define XS 8 - const unsigned int nctx = MAX_PRIO - MIN_PRIO; - const unsigned size = ALIGN(4*nctx, 4096); + const unsigned int nreq = MAX_PRIO - MIN_PRIO; + const unsigned size = ALIGN(4*nreq, 4096); struct timespec tv = {}; struct cork cork; uint32_t result, dep[XS]; @@ -565,10 +567,9 @@ static void deep(int fd, unsigned ring) uint32_t *ptr; uint32_t *ctx; - ctx = malloc(sizeof(*ctx) * nctx); - for (int n = 0; n < nctx; n++) { + ctx = malloc(sizeof(*ctx) * MAX_CONTEXTS); + for (int n = 0; n < MAX_CONTEXTS; n++) { ctx[n] = gem_context_create(fd); - gem_context_set_priority(fd, ctx[n], MAX_PRIO - nctx + n); } result = gem_create(fd, size); @@ -592,7 +593,7 @@ static void deep(int fd, unsigned ring) execbuf.buffers_ptr = to_user_pointer(obj); execbuf.buffer_count = XS + 2; execbuf.flags = ring; - for (int n = 0; n < nctx; n++) { + for (int n = 0; n < MAX_CONTEXTS; n++) { execbuf.rsvd1 = ctx[n]; gem_execbuf(fd, &execbuf); } @@ -603,22 +604,29 @@ static void deep(int fd, unsigned ring) plug(fd, &cork); /* Create a deep dependency chain, with a few branches */ - for (int n = 0; n < nctx && igt_seconds_elapsed(&tv) < 8; n++) + for (int n = 0; n < nreq && igt_seconds_elapsed(&tv) < 8; n++) { + uint32_t context = ctx[n % MAX_CONTEXTS]; + gem_context_set_priority(fd, context, MAX_PRIO - nreq + n); + for (int m = 0; m < XS; m++) - store_dword(fd, ctx[n], ring, dep[m], 4*n, ctx[n], cork.handle, I915_GEM_DOMAIN_INSTRUCTION); + store_dword(fd, context, ring, dep[m], 4*n, context, cork.handle, I915_GEM_DOMAIN_INSTRUCTION); + } + + for (int n = 0; n < nreq && igt_seconds_elapsed(&tv) < 6; n++) { + uint32_t context = ctx[n % MAX_CONTEXTS]; + gem_context_set_priority(fd, context, MAX_PRIO - nreq + n); - for (int n = 0; n < nctx && igt_seconds_elapsed(&tv) < 6; n++) { for (int m = 0; m < XS; m++) { - store_dword(fd, ctx[n], ring, result, 4*n, ctx[n], dep[m], 0); - store_dword(fd, ctx[n], ring, result, 4*m, ctx[n], 0, I915_GEM_DOMAIN_INSTRUCTION); + store_dword(fd, context, ring, result, 4*n, context, dep[m], 0); + store_dword(fd, context, ring, result, 4*m, context, 0, I915_GEM_DOMAIN_INSTRUCTION); } - expected = ctx[n]; + expected = context; } unplug_show_queue(fd, &cork, ring); igt_require(expected); /* too slow */ - for (int n = 0; n < nctx; n++) + for (int n = 0; n < MAX_CONTEXTS; n++) gem_context_destroy(fd, ctx[n]); for (int m = 0; m < XS; m++) { @@ -627,8 +635,8 @@ static void deep(int fd, unsigned ring) I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT); gem_close(fd, dep[m]); - for (int n = 0; n < nctx; n++) - igt_assert_eq_u32(ptr[n], ctx[n]); + for (int n = 0; n < nreq; n++) + igt_assert_eq_u32(ptr[n], ctx[n % MAX_CONTEXTS]); munmap(ptr, size); } @@ -719,7 +727,6 @@ static unsigned int measure_ring_size(int fd, unsigned int ring) static void wide(int fd, unsigned ring) { -#define NCTX 4096 struct timespec tv = {}; unsigned int ring_size = measure_ring_size(fd, ring); @@ -729,11 +736,11 @@ static void wide(int fd, unsigned ring) uint32_t *ctx; unsigned int count; - ctx = malloc(sizeof(*ctx)*NCTX); - for (int n = 0; n < NCTX; n++) + ctx = malloc(sizeof(*ctx)*MAX_CONTEXTS); + for (int n = 0; n < MAX_CONTEXTS; n++) ctx[n] = gem_context_create(fd); - result = gem_create(fd, 4*NCTX); + result = gem_create(fd, 4*MAX_CONTEXTS); plug(fd, &cork); @@ -741,28 +748,27 @@ static void wide(int fd, unsigned ring) for (count = 0; igt_seconds_elapsed(&tv) < 5 && count < ring_size; count++) { - for (int n = 0; n < NCTX; n++) { + for (int n = 0; n < MAX_CONTEXTS; n++) { store_dword(fd, ctx[n], ring, result, 4*n, ctx[n], cork.handle, I915_GEM_DOMAIN_INSTRUCTION); } } igt_info("Submitted %d requests over %d contexts in %.1fms\n", - count, NCTX, igt_nsec_elapsed(&tv) * 1e-6); + count, MAX_CONTEXTS, igt_nsec_elapsed(&tv) * 1e-6); unplug_show_queue(fd, &cork, ring); - for (int n = 0; n < NCTX; n++) + for (int n = 0; n < MAX_CONTEXTS; n++) gem_context_destroy(fd, ctx[n]); - ptr = gem_mmap__gtt(fd, result, 4*NCTX, PROT_READ); + ptr = gem_mmap__gtt(fd, result, 4*MAX_CONTEXTS, PROT_READ); gem_set_domain(fd, result, /* no write hazard lies! */ I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT); - for (int n = 0; n < NCTX; n++) + for (int n = 0; n < MAX_CONTEXTS; n++) igt_assert_eq_u32(ptr[n], ctx[n]); - munmap(ptr, 4*NCTX); + munmap(ptr, 4*MAX_CONTEXTS); gem_close(fd, result); free(ctx); -#undef NCTX } static void reorder_wide(int fd, unsigned ring) |