--- Gnu-Mach/kern/counters.c	2020/09/02 04:47:25	1.1.1.4
+++ Gnu-Mach/kern/counters.c	2020/09/02 04:49:50	1.1.1.5
@@ -46,6 +46,9 @@ mach_counter_t c_stacks_current = 0;
 mach_counter_t c_stacks_max = 0;
 mach_counter_t c_stacks_min = 0;
 mach_counter_t c_stacks_total = 0;
+mach_counter_t c_stack_alloc_hits = 0;
+mach_counter_t c_stack_alloc_misses = 0;
+mach_counter_t c_stack_alloc_max = 0;
 mach_counter_t c_clock_ticks = 0;
 mach_counter_t c_ipc_mqueue_send_block = 0;
 mach_counter_t c_ipc_mqueue_receive_block_user = 0;