-mach_counter_t c_thread_invoke_csw = 0;
-mach_counter_t c_thread_invoke_hits = 0;
-mach_counter_t c_thread_invoke_misses = 0;
-mach_counter_t c_thread_invoke_same = 0;
-mach_counter_t c_thread_invoke_same_cont = 0;
-mach_counter_t c_incoming_interrupts = 0;
-mach_counter_t c_syscalls_unix = 0;
-mach_counter_t c_syscalls_mach = 0;
-