1*43a90889SApple OSS Distributions /* 2*43a90889SApple OSS Distributions * Copyright (c) 2011-2020 Apple Computer, Inc. All rights reserved. 3*43a90889SApple OSS Distributions * 4*43a90889SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*43a90889SApple OSS Distributions * 6*43a90889SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*43a90889SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*43a90889SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*43a90889SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*43a90889SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*43a90889SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*43a90889SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*43a90889SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*43a90889SApple OSS Distributions * 15*43a90889SApple OSS Distributions * Please obtain a copy of the License at 16*43a90889SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*43a90889SApple OSS Distributions * 18*43a90889SApple OSS Distributions * The Original Code and all software distributed under the License are 19*43a90889SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*43a90889SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*43a90889SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*43a90889SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*43a90889SApple OSS Distributions * Please see the License for the specific language governing rights and 24*43a90889SApple OSS Distributions * limitations under the License. 25*43a90889SApple OSS Distributions * 26*43a90889SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*43a90889SApple OSS Distributions */ 28*43a90889SApple OSS Distributions 29*43a90889SApple OSS Distributions #ifndef KPERF_SAMPLE_H 30*43a90889SApple OSS Distributions #define KPERF_SAMPLE_H 31*43a90889SApple OSS Distributions 32*43a90889SApple OSS Distributions #include <kperf/thread_samplers.h> 33*43a90889SApple OSS Distributions #include <kperf/task_samplers.h> 34*43a90889SApple OSS Distributions #include "callstack.h" 35*43a90889SApple OSS Distributions #include "kperf_kpc.h" 36*43a90889SApple OSS Distributions #include "meminfo.h" 37*43a90889SApple OSS Distributions 38*43a90889SApple OSS Distributions /* 39*43a90889SApple OSS Distributions * Dispatch sampling may need to read from compressed, file-backed pages, which 40*43a90889SApple OSS Distributions * incurs a steep stack usage penalty. 41*43a90889SApple OSS Distributions */ 42*43a90889SApple OSS Distributions struct kperf_usample_min { 43*43a90889SApple OSS Distributions struct kperf_thread_dispatch th_dispatch; 44*43a90889SApple OSS Distributions }; 45*43a90889SApple OSS Distributions 46*43a90889SApple OSS Distributions /* 47*43a90889SApple OSS Distributions * For data that must be sampled in a fault-able context. 48*43a90889SApple OSS Distributions */ 49*43a90889SApple OSS Distributions struct kperf_usample { 50*43a90889SApple OSS Distributions struct kperf_usample_min *usample_min; 51*43a90889SApple OSS Distributions struct kp_ucallstack ucallstack; 52*43a90889SApple OSS Distributions struct kperf_thread_info th_info; 53*43a90889SApple OSS Distributions }; 54*43a90889SApple OSS Distributions 55*43a90889SApple OSS Distributions struct kperf_sample { 56*43a90889SApple OSS Distributions struct kperf_thread_info th_info; 57*43a90889SApple OSS Distributions struct kperf_thread_scheduling th_scheduling; 58*43a90889SApple OSS Distributions struct kperf_thread_snapshot th_snapshot; 59*43a90889SApple OSS Distributions 60*43a90889SApple OSS Distributions struct kperf_task_snapshot tk_snapshot; 61*43a90889SApple OSS Distributions 62*43a90889SApple OSS Distributions struct kp_kcallstack kcallstack; 63*43a90889SApple OSS Distributions struct meminfo meminfo; 64*43a90889SApple OSS Distributions 65*43a90889SApple OSS Distributions struct kperf_usample usample; 66*43a90889SApple OSS Distributions 67*43a90889SApple OSS Distributions #if CONFIG_CPU_COUNTERS 68*43a90889SApple OSS Distributions struct kpcdata kpcdata; 69*43a90889SApple OSS Distributions #endif /* CONFIG_CPU_COUNTERS */ 70*43a90889SApple OSS Distributions 71*43a90889SApple OSS Distributions #if DEVELOPMENT || DEBUG 72*43a90889SApple OSS Distributions uint64_t sample_time; 73*43a90889SApple OSS Distributions #endif /* DEVELOPMENT || DEBUG */ 74*43a90889SApple OSS Distributions }; 75*43a90889SApple OSS Distributions 76*43a90889SApple OSS Distributions /* cache of threads on each CPU during a timer fire */ 77*43a90889SApple OSS Distributions extern uint64_t *kperf_tid_on_cpus; 78*43a90889SApple OSS Distributions 79*43a90889SApple OSS Distributions #endif /* !defined(KPERF_SAMPLE_H) */ 80