/* * Copyright (c) 2011 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@ */ // extern uint64_t timer_period; extern void kperf_timer_reprogram(void); extern void kperf_timer_reprogram_all(void); // return values from the action #define TIMER_REPROGRAM (0) #define TIMER_STOP (1) /* blah */ extern unsigned kperf_timer_get_count(void); extern int kperf_timer_set_count(unsigned count); extern int kperf_timer_get_period( unsigned timer, uint64_t *period ); extern int kperf_timer_set_period( unsigned timer, uint64_t period ); extern int kperf_timer_go(void); extern int kperf_timer_stop(void); extern unsigned kperf_timer_get_petid(void); extern int kperf_timer_set_petid(unsigned count); /* so PET thread can re-arm the timer */ extern int kperf_timer_pet_set( unsigned timer );