steps_took=%.1f scavenge_throughput=%.f total_size_before=%zu total_size_after=%zu holes_size_before=%zu holes_size_after=%zu allocated=%zu promoted=%zu semi_space_copied=%zu nodes_died_in_new=%d nodes_copied_in_new=%d nodes_promoted=%d promotion_ratio=%.1f%% average_survival_ratio=%.1f%% promotion_rate=%.1f%% semi_space_copy_rate=%.1f%% new_space_allocation_throughput=%.1f unmapper_chunks=%d context_disposal_rate=%.1f