1*fdd8201dSApple OSS Distributions /* 2*fdd8201dSApple OSS Distributions * Copyright (c) 2000-2021 Apple Inc. All rights reserved. 3*fdd8201dSApple OSS Distributions * 4*fdd8201dSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*fdd8201dSApple OSS Distributions * 6*fdd8201dSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*fdd8201dSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*fdd8201dSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*fdd8201dSApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*fdd8201dSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*fdd8201dSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*fdd8201dSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*fdd8201dSApple OSS Distributions * terms of an Apple operating system software license agreement. 14*fdd8201dSApple OSS Distributions * 15*fdd8201dSApple OSS Distributions * Please obtain a copy of the License at 16*fdd8201dSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*fdd8201dSApple OSS Distributions * 18*fdd8201dSApple OSS Distributions * The Original Code and all software distributed under the License are 19*fdd8201dSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*fdd8201dSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*fdd8201dSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*fdd8201dSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*fdd8201dSApple OSS Distributions * Please see the License for the specific language governing rights and 24*fdd8201dSApple OSS Distributions * limitations under the License. 25*fdd8201dSApple OSS Distributions * 26*fdd8201dSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*fdd8201dSApple OSS Distributions */ 28*fdd8201dSApple OSS Distributions 29*fdd8201dSApple OSS Distributions #ifndef _SYS_RESOURCE_PRIVATE_H_ 30*fdd8201dSApple OSS Distributions #define _SYS_RESOURCE_PRIVATE_H_ 31*fdd8201dSApple OSS Distributions 32*fdd8201dSApple OSS Distributions #include <os/base.h> 33*fdd8201dSApple OSS Distributions #include <stdint.h> 34*fdd8201dSApple OSS Distributions #include <sys/cdefs.h> 35*fdd8201dSApple OSS Distributions 36*fdd8201dSApple OSS Distributions /* 37*fdd8201dSApple OSS Distributions * The kind of counters to copy into the destination buffer with 38*fdd8201dSApple OSS Distributions * `thread_selfcounts`. 39*fdd8201dSApple OSS Distributions */ 40*fdd8201dSApple OSS Distributions __enum_decl(thread_selfcounts_kind_t, uint32_t, { 41*fdd8201dSApple OSS Distributions THSC_CPI = 0x01, 42*fdd8201dSApple OSS Distributions }); 43*fdd8201dSApple OSS Distributions 44*fdd8201dSApple OSS Distributions /* 45*fdd8201dSApple OSS Distributions * The data structure expected by `thread_selfcounts(THSC_CPI, ...)`. 46*fdd8201dSApple OSS Distributions */ 47*fdd8201dSApple OSS Distributions struct thsc_cpi { 48*fdd8201dSApple OSS Distributions uint64_t tcpi_instructions; 49*fdd8201dSApple OSS Distributions uint64_t tcpi_cycles; 50*fdd8201dSApple OSS Distributions }; 51*fdd8201dSApple OSS Distributions 52*fdd8201dSApple OSS Distributions #ifndef KERNEL 53*fdd8201dSApple OSS Distributions 54*fdd8201dSApple OSS Distributions #include <stddef.h> 55*fdd8201dSApple OSS Distributions #include <AvailabilityInternalPrivate.h> 56*fdd8201dSApple OSS Distributions 57*fdd8201dSApple OSS Distributions __BEGIN_DECLS 58*fdd8201dSApple OSS Distributions 59*fdd8201dSApple OSS Distributions /* 60*fdd8201dSApple OSS Distributions * Get the current thread's counters according to a `kind` and store them into 61*fdd8201dSApple OSS Distributions * `dst`. 62*fdd8201dSApple OSS Distributions */ 63*fdd8201dSApple OSS Distributions __SPI_AVAILABLE(macos(12.4), ios(15.4), watchos(8.5), tvos(15.4)) 64*fdd8201dSApple OSS Distributions int thread_selfcounts(thread_selfcounts_kind_t kind, void *dst, size_t size); 65*fdd8201dSApple OSS Distributions 66*fdd8201dSApple OSS Distributions /* 67*fdd8201dSApple OSS Distributions * Get the current thread's cycles and instructions. May return ENOTSUP on 68*fdd8201dSApple OSS Distributions * certain hardware. 69*fdd8201dSApple OSS Distributions */ 70*fdd8201dSApple OSS Distributions #define thread_selfcounts_cpi(DST) thread_selfcounts(THSC_CPI, (DST), sizeof(struct thsc_cpi)) 71*fdd8201dSApple OSS Distributions 72*fdd8201dSApple OSS Distributions __END_DECLS 73*fdd8201dSApple OSS Distributions 74*fdd8201dSApple OSS Distributions #endif /* !defined(KERNEL) */ 75*fdd8201dSApple OSS Distributions 76*fdd8201dSApple OSS Distributions #endif /* !defined(_SYS_RESOURCE_PRIVATE_H_) */ 77