Similar to gem_tiled_blits and gem_linear_blits, we only need to just force the system to be thrashing the GTT for the test to be effective, so trim the working set to just a be one element larger than could fit, and parallelise the checking across multiple cpus.
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/1586 Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk> --- tests/i915/gem_tiled_fence_blits.c | 37 ++++++++++++------------------ 1 file changed, 15 insertions(+), 22 deletions(-) diff --git a/tests/i915/gem_tiled_fence_blits.c b/tests/i915/gem_tiled_fence_blits.c index 62fd13285..9de099485 100644 --- a/tests/i915/gem_tiled_fence_blits.c +++ b/tests/i915/gem_tiled_fence_blits.c @@ -156,7 +156,6 @@ static void run_test(int fd, int count) eb.flags = I915_EXEC_BLT; count |= 1; - igt_info("Using %d 1MiB buffers\n", count); bo = malloc(count * (sizeof(*bo) + sizeof(*bo_start_val))); igt_assert(bo); @@ -168,19 +167,6 @@ static void run_test(int fd, int count) start += width * height; } - for (int dst = 0; dst < count; dst++) { - int src = count - dst - 1; - - if (src == dst) - continue; - - reloc[0].target_handle = obj[0].handle = bo[dst]; - reloc[1].target_handle = obj[1].handle = bo[src]; - - gem_execbuf(fd, &eb); - bo_start_val[dst] = bo_start_val[src]; - } - for (int i = 0; i < count * 4; i++) { int src = random() % count; int dst = random() % count; @@ -208,6 +194,8 @@ static void run_test(int fd, int count) igt_main { + const int ncpus = sysconf(_SC_NPROCESSORS_ONLN); + uint64_t count = 0; int fd; igt_fixture { @@ -215,20 +203,25 @@ igt_main igt_require_gem(fd); gem_require_blitter(fd); gem_require_mappable_ggtt(fd); + + count = gem_aperture_size(fd); + if (count >> 32) + count = MAX_32b; + count = 3 + count / (1024 * 1024); + igt_require(count > 1); + intel_require_memory(count, 1024 * 1024 , CHECK_RAM); + + igt_debug("Using %'"PRIu64" 1MiB buffers\n", count); + count = (count + ncpus - 1) / ncpus; } igt_subtest("basic") run_test (fd, 2); igt_subtest("normal") { - uint64_t count; - - count = gem_aperture_size(fd); - if (count >> 32) - count = MAX_32b; - count = 3 * count / bo_size / 2; - intel_require_memory(count, bo_size, CHECK_RAM); - run_test(fd, count); + igt_fork(child, ncpus) + run_test(fd, count); + igt_waitchildren(); } igt_fixture -- 2.26.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
