Initial source

1 files changed, 107 insertions, 0 deletions

diff --git a/kern/counters.h b/kern/counters.h
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+/* 
+ * Mach Operating System
+ * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
+ * All Rights Reserved.
+ * 
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ * 
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ * 
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+
+#ifndef	_KERN_COUNTERS_
+#define	_KERN_COUNTERS_
+
+#include <mach_counters.h>
+
+/*
+ *	We can count various interesting events and paths.
+ *
+ *	Use counter() to change the counters, eg:
+ *		counter(c_idle_thread_block++);
+ *	Use counter_always() for non-conditional counters.
+ */
+
+#define counter_always(code)	code
+
+#if	MACH_COUNTERS
+
+#define counter(code)		counter_always(code)
+
+#else	MACH_COUNTERS
+
+#define counter(code)
+
+#endif	MACH_COUNTERS
+
+/*
+ *	We define the counters with individual integers,
+ *	instead of a big structure, so that ddb
+ *	will know the addresses of the counters.
+ */
+
+typedef unsigned int mach_counter_t;
+
+extern mach_counter_t c_thread_invoke_hits;
+extern mach_counter_t c_thread_invoke_misses;
+extern mach_counter_t c_thread_invoke_csw;
+extern mach_counter_t c_thread_handoff_hits;
+extern mach_counter_t c_thread_handoff_misses;
+
+#if	MACH_COUNTERS
+extern mach_counter_t c_threads_current;
+extern mach_counter_t c_threads_max;
+extern mach_counter_t c_threads_min;
+extern mach_counter_t c_threads_total;
+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_clock_ticks;
+extern mach_counter_t c_ipc_mqueue_send_block;
+extern mach_counter_t c_ipc_mqueue_receive_block_user;
+extern mach_counter_t c_ipc_mqueue_receive_block_kernel;
+extern mach_counter_t c_mach_msg_trap_block_fast;
+extern mach_counter_t c_mach_msg_trap_block_slow;
+extern mach_counter_t c_mach_msg_trap_block_exc;
+extern mach_counter_t c_exception_raise_block;
+extern mach_counter_t c_swtch_block;
+extern mach_counter_t c_swtch_pri_block;
+extern mach_counter_t c_thread_switch_block;
+extern mach_counter_t c_thread_switch_handoff;
+extern mach_counter_t c_ast_taken_block;
+extern mach_counter_t c_thread_halt_self_block;
+extern mach_counter_t c_vm_fault_page_block_busy_user;
+extern mach_counter_t c_vm_fault_page_block_busy_kernel;
+extern mach_counter_t c_vm_fault_page_block_backoff_user;
+extern mach_counter_t c_vm_fault_page_block_backoff_kernel;
+extern mach_counter_t c_vm_page_wait_block_user;
+extern mach_counter_t c_vm_page_wait_block_kernel;
+extern mach_counter_t c_vm_pageout_block;
+extern mach_counter_t c_vm_pageout_scan_block;
+extern mach_counter_t c_idle_thread_block;
+extern mach_counter_t c_idle_thread_handoff;
+extern mach_counter_t c_sched_thread_block;
+extern mach_counter_t c_io_done_thread_block;
+extern mach_counter_t c_net_thread_block;
+extern mach_counter_t c_reaper_thread_block;
+extern mach_counter_t c_swapin_thread_block;
+extern mach_counter_t c_action_thread_block;
+#endif	MACH_COUNTERS
+
+#endif	_KERN_COUNTERS_