profile.hh revision 2170
1/* 2 * Copyright (c) 2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#ifndef __CPU_PROFILE_HH__ 30#define __CPU_PROFILE_HH__ 31 32#include <map> 33 34#include "cpu/static_inst.hh" 35#include "sim/host.hh" 36#include "arch/stacktrace.hh" 37 38class ProfileNode 39{ 40 private: 41 friend class FunctionProfile; 42 43 typedef std::map<Addr, ProfileNode *> ChildList; 44 ChildList children; 45 46 public: 47 Counter count; 48 49 public: 50 ProfileNode(); 51 52 void dump(const std::string &symbol, uint64_t id, 53 const SymbolTable *symtab, std::ostream &os) const; 54 void clear(); 55}; 56 57class Callback; 58class FunctionProfile 59{ 60 private: 61 Callback *reset; 62 const SymbolTable *symtab; 63 ProfileNode top; 64 std::map<Addr, Counter> pc_count; 65 StackTrace trace; 66 67 public: 68 FunctionProfile(const SymbolTable *symtab); 69 ~FunctionProfile(); 70 71 ProfileNode *consume(ExecContext *xc, StaticInstPtr inst); 72 ProfileNode *consume(const std::vector<Addr> &stack); 73 void clear(); 74 void dump(ExecContext *xc, std::ostream &out) const; 75 void sample(ProfileNode *node, Addr pc); 76}; 77 78inline ProfileNode * 79FunctionProfile::consume(ExecContext *xc, StaticInstPtr inst) 80{ 81 if (!trace.trace(xc, inst)) 82 return NULL; 83 trace.dprintf(); 84 return consume(trace.getstack()); 85} 86 87#endif // __CPU_PROFILE_HH__ 88