Commit 6582f4f6 authored Jul 04, 2019 by Chris Wilson

drm/i915/selftests: Drain the freedlists between exec passes

During the context execution tests, we issue a lot of work and discard a
lot of objects without releasing the lock and allowing the background
reaper to free those objects. Insert a small break between each pass to
flush the worker.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190704165317.21060-1-chris@chris-wilson.co.uk

parent e7539b79

drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -562,6 +562,8 @@ out_unlock:
		mock_file_free(i915, file);
		if (err)
		return err;

		i915_gem_drain_freed_objects(i915);
		}

		return 0;
		@@ -672,6 +674,10 @@ static int igt_shared_ctx_exec(void *arg)

		dw += rem;
		}

		mutex_unlock(&i915->drm.struct_mutex);
		i915_gem_drain_freed_objects(i915);
		mutex_lock(&i915->drm.struct_mutex);
		}
		out_test:
		if (igt_live_test_end(&t))