Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 | /* * Copyright (c) 2011-2016 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* wrapper around kdebug */ #include <sys/kdebug.h> /* kdebug codes */ #define PERF_CODE(SubClass, code) KDBG_CODE(DBG_PERF, SubClass, code) /* broad sub-classes */ #define PERF_GENERIC (0) #define PERF_THREADINFO (1) #define PERF_CALLSTACK (2) #define PERF_TIMER (3) #define PERF_PET (4) #define PERF_AST (5) #define PERF_KPC (6) #define PERF_KDBG (7) #define PERF_TASK (8) /* 9 unused */ #define PERF_MEMINFO (10) /* helpers for 32-bit */ #define UPPER_32(U64) ((U64) >> 32) #define LOWER_32(U64) ((U64) & (UINT32_MAX)) #define ENCODE_UPPER_64(U32) (((uint64_t)(U32)) << 32) #define ENCODE_LOWER_64(U32) (((uint64_t)(U32)) & (UINT32_MAX)) /* sub-class codes */ #define PERF_GEN_CODE(code) PERF_CODE(PERF_GENERIC, code) #define PERF_GEN_EVENT PERF_GEN_CODE(0) #define PERF_TI_CODE(code) PERF_CODE(PERF_THREADINFO, code) #define PERF_TI_SAMPLE PERF_TI_CODE(0) #define PERF_TI_DATA PERF_TI_CODE(1) #define PERF_TI_XSAMPLE PERF_TI_CODE(2) #define PERF_TI_XPEND PERF_TI_CODE(3) #define PERF_TI_XDATA PERF_TI_CODE(4) #define PERF_TI_CSWITCH PERF_TI_CODE(5) #define PERF_TI_SCHEDSAMPLE PERF_TI_CODE(6) #define PERF_TI_SCHEDDATA PERF_TI_CODE(7) #define PERF_TI_SNAPSAMPLE PERF_TI_CODE(8) #define PERF_TI_SNAPDATA PERF_TI_CODE(9) #define PERF_TI_DISPSAMPLE PERF_TI_CODE(10) #define PERF_TI_DISPDATA PERF_TI_CODE(11) #define PERF_TI_DISPPEND PERF_TI_CODE(12) #define PERF_TI_SNAPDATA_32 PERF_TI_CODE(13) #define PERF_TI_DISPDATA_32 PERF_TI_CODE(14) #define PERF_TI_SCHEDDATA1_32 PERF_TI_CODE(15) #define PERF_TI_SCHEDDATA2_32 PERF_TI_CODE(16) #define PERF_CS_CODE(code) PERF_CODE(PERF_CALLSTACK, code) #define PERF_CS_KSAMPLE PERF_CS_CODE(0) #define PERF_CS_UPEND PERF_CS_CODE(1) #define PERF_CS_USAMPLE PERF_CS_CODE(2) #define PERF_CS_KDATA PERF_CS_CODE(3) #define PERF_CS_UDATA PERF_CS_CODE(4) #define PERF_CS_KHDR PERF_CS_CODE(5) #define PERF_CS_UHDR PERF_CS_CODE(6) #define PERF_CS_ERROR PERF_CS_CODE(7) #define PERF_CS_BACKTRACE PERF_CS_CODE(8) #define PERF_CS_LOG PERF_CS_CODE(9) #define PERF_TM_CODE(code) PERF_CODE(PERF_TIMER, code) #define PERF_TM_FIRE PERF_TM_CODE(0) #define PERF_TM_SCHED PERF_TM_CODE(1) #define PERF_TM_HNDLR PERF_TM_CODE(2) #define PERF_PET_CODE(code) PERF_CODE(PERF_PET, code) #define PERF_PET_THREAD PERF_PET_CODE(0) #define PERF_PET_ERROR PERF_PET_CODE(1) #define PERF_PET_RUN PERF_PET_CODE(2) #define PERF_PET_PAUSE PERF_PET_CODE(3) #define PERF_PET_IDLE PERF_PET_CODE(4) #define PERF_PET_SAMPLE PERF_PET_CODE(5) #define PERF_PET_SCHED PERF_PET_CODE(6) #define PERF_PET_END PERF_PET_CODE(7) #define PERF_PET_SAMPLE_TASK PERF_PET_CODE(8) #define PERF_PET_SAMPLE_THREAD PERF_PET_CODE(9) #define PERF_AST_CODE(code) PERF_CODE(PERF_AST, code) #define PERF_AST_HNDLR PERF_AST_CODE(0) #define PERF_AST_ERROR PERF_AST_CODE(1) #define PERF_KPC_CODE(code) PERF_CODE(PERF_KPC, code) #define PERF_KPC_HNDLR PERF_KPC_CODE(0) #define PERF_KPC_FCOUNTER PERF_KPC_CODE(1) #define PERF_KPC_COUNTER PERF_KPC_CODE(2) #define PERF_KPC_DATA PERF_KPC_CODE(3) #define PERF_KPC_CONFIG PERF_KPC_CODE(4) #define PERF_KPC_CFG_REG PERF_KPC_CODE(5) #define PERF_KPC_DATA32 PERF_KPC_CODE(6) #define PERF_KPC_CFG_REG32 PERF_KPC_CODE(7) #define PERF_KPC_DATA_THREAD PERF_KPC_CODE(8) #define PERF_KPC_DATA_THREAD32 PERF_KPC_CODE(9) #define PERF_KPC_CPU_SAMPLE PERF_KPC_CODE(10) #define PERF_KPC_THREAD_SAMPLE PERF_KPC_CODE(11) #define PERF_KDBG_CODE(code) PERF_CODE(PERF_KDBG, code) #define PERF_KDBG_HNDLR PERF_KDBG_CODE(0) #define PERF_TK_CODE(code) PERF_CODE(PERF_TASK, code) #define PERF_TK_SNAP_SAMPLE PERF_TK_CODE(0) #define PERF_TK_SNAP_DATA PERF_TK_CODE(1) #define PERF_TK_SNAP_DATA1_32 PERF_TK_CODE(2) #define PERF_TK_SNAP_DATA2_32 PERF_TK_CODE(3) #define PERF_MI_CODE(code) PERF_CODE(PERF_MEMINFO, code) #define PERF_MI_SAMPLE PERF_MI_CODE(0) #define PERF_MI_DATA PERF_MI_CODE(1) /* error sub-codes for trace data */ enum { ERR_TASK, ERR_THREAD, ERR_PID, ERR_FRAMES, ERR_GETSTACK, ERR_NOMEM, }; /* level of kperf's logging to kdebug */ #define KPERF_DEBUG_DATA 0 #define KPERF_DEBUG_INFO 1 #define KPERF_DEBUG_VERBOSE 2 extern int kperf_debug_level; /* BUF_DATA tracepoints are for logging actual kperf results. */ #define BUF_DATA_INT(EVENTID, A0, A1, A2, A3) KERNEL_DEBUG_CONSTANT_IST(~KDEBUG_ENABLE_PPT, EVENTID, A0, A1, A2, A3, 0) #define BUF_DATA(EVENTID, ...) BUF_DATA_(EVENTID, ## __VA_ARGS__, 4, 3, 2, 1, 0) #define BUF_DATA_(EVENTID, A1, A2, A3, A4, N_ARGS, ...) BUF_DATA##N_ARGS(EVENTID, A1, A2, A3, A4) #define BUF_DATA0(EVENTID, A1, A2, A3, A4) BUF_DATA_INT(EVENTID, 0, 0, 0, 0) #define BUF_DATA1(EVENTID, A1, A2, A3, A4) BUF_DATA_INT(EVENTID, A1, 0, 0, 0) #define BUF_DATA2(EVENTID, A1, A2, A3, A4) BUF_DATA_INT(EVENTID, A1, A2, 0, 0) #define BUF_DATA3(EVENTID, A1, A2, A3, A4) BUF_DATA_INT(EVENTID, A1, A2, A3, 0) #define BUF_DATA4(EVENTID, A1, A2, A3, A4) BUF_DATA_INT(EVENTID, A1, A2, A3, A4) /* * BUF_INFO tracepoints are for logging debugging information relevant to * testing kperf's internal functions. */ #if (KDEBUG_LEVEL >= KDEBUG_LEVEL_STANDARD) #define BUF_INFO_INT(EVENTID, A1, A2, A3, A4) if (__improbable(kperf_debug_level >= KPERF_DEBUG_INFO)) KERNEL_DEBUG_CONSTANT(EVENTID, A1, A2, A3, A4, 0) #else #define BUF_INFO_INT(EVENTID, A1, A2, A3, A4) do { (void)(EVENTID); (void)(A1); (void)(A2); (void)(A3); (void)(A4); } while ((0)) #endif #define BUF_INFO(EVENTID, ...) BUF_INFO_(EVENTID, ## __VA_ARGS__, 4, 3, 2, 1, 0) #define BUF_INFO_(EVENTID, A1, A2, A3, A4, N_ARGS, ...) BUF_INFO##N_ARGS(EVENTID, A1, A2, A3, A4) #define BUF_INFO0(EVENTID, A1, A2, A3, A4) BUF_INFO_INT(EVENTID, 0, 0, 0, 0) #define BUF_INFO1(EVENTID, A1, A2, A3, A4) BUF_INFO_INT(EVENTID, A1, 0, 0, 0) #define BUF_INFO2(EVENTID, A1, A2, A3, A4) BUF_INFO_INT(EVENTID, A1, A2, 0, 0) #define BUF_INFO3(EVENTID, A1, A2, A3, A4) BUF_INFO_INT(EVENTID, A1, A2, A3, 0) #define BUF_INFO4(EVENTID, A1, A2, A3, A4) BUF_INFO_INT(EVENTID, A1, A2, A3, A4) /* * BUF_VERB tracepoints are for logging precise details of kperf's * internal functions, like timing information for samplers. */ #if (KDEBUG_LEVEL >= KDEBUG_LEVEL_STANDARD) #define BUF_VERB_INT(EVENTID, A1, A2, A3, A4) if (__improbable(kperf_debug_level >= KPERF_DEBUG_VERBOSE)) KERNEL_DEBUG_CONSTANT(EVENTID, A1, A2, A3, A4, 0) #else #define BUF_VERB_INT(EVENTID, A1, A2, A3, A4) do { (void)(EVENTID); (void)(A1); (void)(A2); (void)(A3); (void)(A4); } while ((0)) #endif #define BUF_VERB(EVENTID, ...) BUF_VERB_(EVENTID, ## __VA_ARGS__, 4, 3, 2, 1, 0) #define BUF_VERB_(EVENTID, A1, A2, A3, A4, N_ARGS, ...) BUF_VERB##N_ARGS(EVENTID, A1, A2, A3, A4) #define BUF_VERB0(EVENTID, A1, A2, A3, A4) BUF_VERB_INT(EVENTID, 0, 0, 0, 0) #define BUF_VERB1(EVENTID, A1, A2, A3, A4) BUF_VERB_INT(EVENTID, A1, 0, 0, 0) #define BUF_VERB2(EVENTID, A1, A2, A3, A4) BUF_VERB_INT(EVENTID, A1, A2, 0, 0) #define BUF_VERB3(EVENTID, A1, A2, A3, A4) BUF_VERB_INT(EVENTID, A1, A2, A3, 0) #define BUF_VERB4(EVENTID, A1, A2, A3, A4) BUF_VERB_INT(EVENTID, A1, A2, A3, A4) |