--- Gnu-Mach/kern/counters.h	2020/09/02 04:47:44	1.1.1.4
+++ Gnu-Mach/kern/counters.h	2020/09/02 04:50:00	1.1.1.5
@@ -69,6 +69,9 @@ extern mach_counter_t c_stacks_current;
 extern mach_counter_t c_stacks_max;
 extern mach_counter_t c_stacks_min;
 extern mach_counter_t c_stacks_total;
+extern mach_counter_t c_stack_alloc_hits;
+extern mach_counter_t c_stack_alloc_misses;
+extern mach_counter_t c_stack_alloc_max;
 extern mach_counter_t c_clock_ticks;
 extern mach_counter_t c_ipc_mqueue_send_block;
 extern mach_counter_t c_ipc_mqueue_receive_block_user;