This is xnu-11215.1.10. See this file in:
/*
* 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)
#define PERF_LAZY (9)
#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_TI_INSCYCDATA PERF_TI_CODE(17)
#define PERF_TI_INSCYCDATA_32 PERF_TI_CODE(18)
#define PERF_TI_SCHEDDATA_2 PERF_TI_CODE(19)
#define PERF_TI_SCHEDDATA2_32_2 PERF_TI_CODE(20)
#define PERF_TI_SCHEDDATA3_32 PERF_TI_CODE(21)
#define PERF_TI_SCHEDDATA_3 PERF_TI_CODE(22)
#define PERF_TI_DISPLABEL PERF_TI_CODE(23)
#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_CS_EXHDR PERF_CS_CODE(10)
#define PERF_CS_EXDATA PERF_CS_CODE(11)
#define PERF_CS_EXSTACKHDR PERF_CS_CODE(12)
#define PERF_CS_EXSTACK PERF_CS_CODE(13)
#define PERF_CS_KEXOFFSET PERF_CS_CODE(14)
#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_TM_PENDING PERF_TM_CODE(3)
#define PERF_TM_SKIPPED PERF_TM_CODE(4)
#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_AST_EXCLAVES PERF_AST_CODE(2)
#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_TK_INFO_DATA PERF_TK_CODE(4)
#define PERF_LZ_CODE(code) PERF_CODE(PERF_LAZY, code)
#define PERF_LZ_MKRUNNABLE PERF_LZ_CODE(0)
#define PERF_LZ_WAITSAMPLE PERF_LZ_CODE(1)
#define PERF_LZ_CPUSAMPLE PERF_LZ_CODE(2)
#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)
#define PERF_MI_SYS_DATA PERF_MI_CODE(2)
#define PERF_MI_SYS_DATA_2 PERF_MI_CODE(3)
#define PERF_MI_SYS_DATA_3 PERF_MI_CODE(4)
/* 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(EVENTID, ...) KDBG_RELEASE(EVENTID, ## __VA_ARGS__)
/*
* 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)