diff options
Diffstat (limited to 'cpu/profile.cc')
| -rw-r--r-- | cpu/profile.cc | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/cpu/profile.cc b/cpu/profile.cc deleted file mode 100644 index fe3458b61..000000000 --- a/cpu/profile.cc +++ /dev/null @@ -1,155 +0,0 @@ -/* - * Copyright (c) 2005 The Regents of The University of Michigan - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer; - * redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution; - * neither the name of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <string> - -#include "base/bitfield.hh" -#include "base/callback.hh" -#include "base/statistics.hh" -#include "base/trace.hh" -#include "base/loader/symtab.hh" -#include "cpu/base.hh" -#include "cpu/exec_context.hh" -#include "cpu/profile.hh" - -using namespace std; - -ProfileNode::ProfileNode() - : count(0) -{ } - -void -ProfileNode::dump(const string &symbol, uint64_t id, const SymbolTable *symtab, - ostream &os) const -{ - ccprintf(os, "%#x %s %d ", id, symbol, count); - ChildList::const_iterator i, end = children.end(); - for (i = children.begin(); i != end; ++i) { - const ProfileNode *node = i->second; - ccprintf(os, "%#x ", (intptr_t)node); - } - - ccprintf(os, "\n"); - - for (i = children.begin(); i != end; ++i) { - Addr addr = i->first; - string symbol; - if (addr == 1) - symbol = "user"; - else if (addr == 2) - symbol = "console"; - else if (addr == 3) - symbol = "unknown"; - else if (!symtab->findSymbol(addr, symbol)) - panic("could not find symbol for address %#x\n", addr); - - const ProfileNode *node = i->second; - node->dump(symbol, (intptr_t)node, symtab, os); - } -} - -void -ProfileNode::clear() -{ - count = 0; - ChildList::iterator i, end = children.end(); - for (i = children.begin(); i != end; ++i) - i->second->clear(); -} - -FunctionProfile::FunctionProfile(const SymbolTable *_symtab) - : reset(0), symtab(_symtab) -{ - reset = new MakeCallback<FunctionProfile, &FunctionProfile::clear>(this); - Stats::registerResetCallback(reset); -} - -FunctionProfile::~FunctionProfile() -{ - if (reset) - delete reset; -} - -ProfileNode * -FunctionProfile::consume(const vector<Addr> &stack) -{ - ProfileNode *current = ⊤ - for (int i = 0, size = stack.size(); i < size; ++i) { - ProfileNode *&ptr = current->children[stack[size - i - 1]]; - if (ptr == NULL) - ptr = new ProfileNode; - - current = ptr; - } - - return current; -} - -void -FunctionProfile::clear() -{ - top.clear(); - pc_count.clear(); -} - -void -FunctionProfile::dump(ExecContext *xc, ostream &os) const -{ - ccprintf(os, ">>>PC data\n"); - map<Addr, Counter>::const_iterator i, end = pc_count.end(); - for (i = pc_count.begin(); i != end; ++i) { - Addr pc = i->first; - Counter count = i->second; - - std::string symbol; - if (pc == 1) - ccprintf(os, "user %d\n", count); - else if (symtab->findSymbol(pc, symbol) && !symbol.empty()) - ccprintf(os, "%s %d\n", symbol, count); - else - ccprintf(os, "%#x %d\n", pc, count); - } - - ccprintf(os, ">>>function data\n"); - top.dump("top", 0, symtab, os); -} - -void -FunctionProfile::sample(ProfileNode *node, Addr pc) -{ - node->count++; - - Addr symaddr; - if (symtab->findNearestAddr(pc, symaddr)) { - pc_count[symaddr]++; - } else { - // record PC even if we don't have a symbol to avoid - // silently biasing the histogram - pc_count[pc]++; - } -} |