Depsgraph: Report new depsgraph evaluation time

Timing is printed to the console when running with --debug-depsgraph-time.

1 files changed, 5 insertions, 0 deletions

diff --git a/source/blender/depsgraph/intern/eval/deg_eval.cc b/source/blender/depsgraph/intern/eval/deg_eval.cc
index 5f7bb4c3de5..92518ba73e4 100644
--- a/source/blender/depsgraph/intern/eval/deg_eval.cc
+++ b/source/blender/depsgraph/intern/eval/deg_eval.cc
@@ -261,6 +261,7 @@ void deg_evaluate_on_refresh(EvaluationContext *eval_ctx,
 	                 layers,
 	                 graph->layers);
 	const bool do_time_debug = ((G.debug & G_DEBUG_DEPSGRAPH_TIME) != 0);
+	const double start_time = do_time_debug ? PIL_check_seconds_timer() : 0;
 	/* Set time for the current graph evaluation context. */
 	TimeSourceDepsNode *time_src = graph->find_time_source();
 	eval_ctx->ctime = time_src->cfra;
@@ -300,6 +301,10 @@ void deg_evaluate_on_refresh(EvaluationContext *eval_ctx,
 	if (need_free_scheduler) {
 		BLI_task_scheduler_free(task_scheduler);
 	}
+	if (do_time_debug) {
+		printf("Depsgraph updated in %f seconds.\n",
+		       PIL_check_seconds_timer() - start_time);
+	}
 }
 
 }  // namespace DEG