1/* 2 * Copyright (c) 2011 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29#ifndef __AP_CALLSTACK_H__ 30#define __AP_CALLSTACK_H__ 31 32#define MAX_CALLSTACK_FRAMES (128) 33 34#define CALLSTACK_VALID (1<<0) 35#define CALLSTACK_DEFERRED (1<<1) 36#define CALLSTACK_64BIT (1<<2) 37#define CALLSTACK_KERNEL (1<<3) 38#define CALLSTACK_TRUNCATED (1<<4) 39 40struct callstack 41{ 42 uint32_t flags; 43 uint32_t nframes; 44 uint64_t frames[MAX_CALLSTACK_FRAMES]; 45}; 46 47struct kperf_context; 48 49extern void kperf_kcallstack_sample( struct callstack *cs, struct kperf_context * ); 50extern void kperf_kcallstack_log( struct callstack *cs ); 51 52extern void kperf_ucallstack_sample( struct callstack *cs, struct kperf_context * ); 53extern int kperf_ucallstack_pend( struct kperf_context * ); 54extern void kperf_ucallstack_log( struct callstack *cs ); 55 56 57#endif /* __AP_CALLSTACK_H__ */ 58