1/* 2 * Copyright (c) 2011 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29/* wrapper around kdebug */ 30 31#include <sys/kdebug.h> 32 33/* KDEBUG codes */ 34#define PERF_CODE(SubClass, code) KDBG_CODE(DBG_PERF, SubClass, code) 35 36/* broad sub-classes */ 37#define PERF_GENERIC (0) 38#define PERF_THREADINFO (1) 39#define PERF_CALLSTACK (2) 40#define PERF_TIMER (3) 41#define PERF_PET (4) 42#define PERF_AST (5) /* not confusing at all */ 43 44/* sub-class codes */ 45#define PERF_GEN_CODE(code) PERF_CODE(PERF_GENERIC, code) 46#define PERF_GEN_EVENT PERF_GEN_CODE(0) 47 48#define PERF_TI_CODE(code) PERF_CODE(PERF_THREADINFO, code) 49#define PERF_TI_SAMPLE PERF_TI_CODE(0) 50#define PERF_TI_DATA PERF_TI_CODE(1) 51#define PERF_TI_XSAMPLE PERF_TI_CODE(2) 52#define PERF_TI_XPEND PERF_TI_CODE(3) 53#define PERF_TI_XDATA PERF_TI_CODE(4) 54 55#define PERF_CS_CODE(code) PERF_CODE(PERF_CALLSTACK, code) 56#define PERF_CS_KSAMPLE PERF_CS_CODE(0) 57#define PERF_CS_UPEND PERF_CS_CODE(1) 58#define PERF_CS_USAMPLE PERF_CS_CODE(2) 59#define PERF_CS_KDATA PERF_CS_CODE(3) 60#define PERF_CS_UDATA PERF_CS_CODE(4) 61 62#define PERF_TM_CODE(code) PERF_CODE(PERF_TIMER, code) 63#define PERF_TM_ASCHED PERF_TM_CODE(0) 64#define PERF_TM_SCHED PERF_TM_CODE(1) 65#define PERF_TM_HNDLR PERF_TM_CODE(2) 66 67#define PERF_PET_CODE(code) PERF_CODE(PERF_PET, code) 68#define PERF_PET_THREAD PERF_PET_CODE(0) 69#define PERF_PET_ERROR PERF_PET_CODE(1) 70#define PERF_PET_RUN PERF_PET_CODE(2) 71#define PERF_PET_PAUSE PERF_PET_CODE(3) 72#define PERF_PET_IDLE PERF_PET_CODE(4) 73#define PERF_PET_SAMPLE PERF_PET_CODE(5) 74 75#define PERF_AST_CODE(code) PERF_CODE(PERF_AST, code) 76#define PERF_AST_HNDLR PERF_TM_CODE(0) 77#define PERF_AST_ERROR PERF_PET_CODE(1) 78 79/* error sub-codes for trace data */ 80enum 81{ 82 ERR_TASK, 83 ERR_THREAD, 84 ERR_PID, 85 ERR_FRAMES, 86 ERR_GETSTACK, 87 ERR_NOMEM, 88}; 89 90/* for logging information / debugging -- optional */ 91#define BUF_INFO( id, a0, a1, a2, a3) KERNEL_DEBUG_CONSTANT(id,a0,a1,a2,a3,0) 92 93#define BUF_INFO1( id, a0 ) BUF_INFO(id, a0, 0, 0, 0 ) 94#define BUF_INFO2( id, a0, a1 ) BUF_INFO(id, a0, a1, 0, 0 ) 95#define BUF_INFO3( id, a0, a1, a2 ) BUF_INFO(id, a0, a1, a2, 0 ) 96 97/* for logging actual data -- never compiled out */ 98#define BUF_DATA( id, a0, a1, a2, a3) KERNEL_DEBUG_CONSTANT(id,a0,a1,a2,a3,0) 99 100/* code neatness */ 101#define BUF_DATA1( id, a0 ) BUF_DATA(id, a0, 0, 0, 0 ) 102#define BUF_DATA2( id, a0, a1 ) BUF_DATA(id, a0, a1, 0, 0 ) 103#define BUF_DATA3( id, a0, a1, a3 ) BUF_DATA(id, a0, a1, a2, a3 ) 104