9e8151f392
cpu/profile.hh:
use Counter for the profile count to avoid overflow
--HG--
extra : convert_revision : bb603b7d139d1736dced26ef0ce1f93ddea30de7
85 lines
2.7 KiB
C++
85 lines
2.7 KiB
C++
/*
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* Copyright (c) 2005 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __CPU_PROFILE_HH__
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#define __CPU_PROFILE_HH__
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#include <map>
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#include "cpu/static_inst.hh"
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#include "sim/host.hh"
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#include "targetarch/stacktrace.hh"
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class ProfileNode
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{
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private:
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friend class FunctionProfile;
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typedef std::map<Addr, ProfileNode *> ChildList;
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ChildList children;
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public:
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Counter count;
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public:
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ProfileNode();
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void dump(const std::string &symbol, uint64_t id,
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const SymbolTable *symtab, std::ostream &os) const;
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void clear();
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};
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class FunctionProfile
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{
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private:
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const SymbolTable *symtab;
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ProfileNode top;
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std::map<Addr, Counter> pc_count;
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StackTrace trace;
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public:
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FunctionProfile(const SymbolTable *symtab);
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~FunctionProfile();
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ProfileNode *consume(ExecContext *xc, StaticInstPtr<TheISA> inst);
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ProfileNode *consume(const std::vector<Addr> &stack);
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void clear();
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void dump(ExecContext *xc, std::ostream &out) const;
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void sample(ProfileNode *node, Addr pc);
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};
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inline ProfileNode *
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FunctionProfile::consume(ExecContext *xc, StaticInstPtr<TheISA> inst)
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{
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if (!trace.trace(xc, inst))
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return NULL;
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trace.dprintf();
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return consume(trace.getstack());
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}
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#endif // __CPU_PROFILE_HH__
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