1/** 2 * @file opd_interface.h 3 * 4 * Module / user space interface for 2.6 kernels and above 5 * 6 * @remark Copyright 2002 OProfile authors 7 * @remark Read the file COPYING 8 * 9 * @author John Levon 10 * @author Philippe Elie 11 * Modified by Aravind Menon for Xen 12 * These modifications are: 13 * Copyright (C) 2005 Hewlett-Packard Co. 14 */ 15 16#ifndef OPD_INTERFACE_H 17#define OPD_INTERFACE_H 18 19#define CTX_SWITCH_CODE 1 20#define CPU_SWITCH_CODE 2 21#define COOKIE_SWITCH_CODE 3 22#define KERNEL_ENTER_SWITCH_CODE 4 23#define USER_ENTER_SWITCH_CODE 5 24#define MODULE_LOADED_CODE 6 25#define CTX_TGID_CODE 7 26#define TRACE_BEGIN_CODE 8 27/* Code 9 used to be TRACE_END_CODE which is not used anymore */ 28/* Code 9 is now considered an unknown escape code */ 29#define XEN_ENTER_SWITCH_CODE 10 30/* 31 * Ugly work-around for the unfortunate collision between Xenoprof's 32 * DOMAIN_SWITCH_CODE (in use on x86) and Cell's SPU_PROFILING_CODE 33 * (in use with Power): 34 */ 35#if defined(__powerpc__) 36#define SPU_PROFILING_CODE 11 37#define SPU_CTX_SWITCH_CODE 12 38#else 39#define DOMAIN_SWITCH_CODE 11 40/* Code 12 is now considered an unknown escape code */ 41#endif 42 43/* AMD's Instruction-Based Sampling (IBS) escape code */ 44#define IBS_FETCH_SAMPLE 13 45#define IBS_OP_SAMPLE 14 46#define LAST_CODE 15 47 48#endif /* OPD_INTERFACE_H */ 49