/* * Copyright (c) 2018 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@ */ #ifndef KPERF_LAZY_H #define KPERF_LAZY_H #include <stdbool.h> #include <stdint.h> #include <kern/thread.h> extern unsigned int kperf_lazy_wait_action; extern unsigned int kperf_lazy_cpu_action; void kperf_lazy_reset(void); void kperf_lazy_off_cpu(thread_t thread); void kperf_lazy_make_runnable(thread_t thread, bool in_interrupt); void kperf_lazy_wait_sample(thread_t thread, thread_continue_t continuation, uintptr_t *starting_fp); void kperf_lazy_cpu_sample(thread_t thread, unsigned int flags, bool interrupt); /* accessors for configuration */ int kperf_lazy_get_wait_action(void); int kperf_lazy_get_cpu_action(void); int kperf_lazy_set_wait_action(int action_id); int kperf_lazy_set_cpu_action(int action_id); uint64_t kperf_lazy_get_wait_time_threshold(void); uint64_t kperf_lazy_get_cpu_time_threshold(void); int kperf_lazy_set_wait_time_threshold(uint64_t threshold); int kperf_lazy_set_cpu_time_threshold(uint64_t threshold); #endif /* !defined(KPERF_LAZY_H) */