Edit File: perf_read.h
/* -*- linux-c -*- * Perf Read Header File * Copyright (C) 2006-2013 Red Hat Inc. * * This file is part of systemtap, and is free software. You can * redistribute it and/or modify it under the terms of the GNU General * Public License (GPL); either version 2, or (at your option) any * later version. */ #ifndef _PERF_READ_H_ #define _PERF_READ_H_ /** @file perf.h * @brief Header file for performance monitoring hardware support */ #ifdef _HAVE_PERF_ // perf counter probes call _stp_perf_read struct task_struct; static int _stp_perf_read_init (unsigned i, struct task_struct* pid); static long _stp_perf_read (int ncpu, unsigned i); #else // stapiu_target_reg references _stp_perf_read_init // but will only call it for a perf counter probe struct task_struct; static int _stp_perf_read_init (unsigned i, struct task_struct* pid) {return 0;}; static long _stp_perf_read (int ncpu, unsigned i) {return 0;}; #endif #endif /* _PERF_READ_H_ */