gem5/base/statistics.cc
Nathan Binkert 62d756f253 rename namespace Statistics to Stats
--HG--
extra : convert_revision : 28f1703f8d7d8cf33fb952ae450f66bdba860fb7
2004-05-21 13:39:20 -04:00

349 lines
6.9 KiB
C++

/*
* Copyright (c) 2003-2004 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 <iomanip>
#include <fstream>
#include <list>
#include <map>
#include <string>
#include <sstream>
#include "base/callback.hh"
#include "base/cprintf.hh"
#include "base/hostinfo.hh"
#include "base/misc.hh"
#include "base/python.hh"
#include "base/statistics.hh"
#include "base/str.hh"
#include "base/time.hh"
#include "base/trace.hh"
#include "base/stats/statdb.hh"
using namespace std;
namespace Stats {
StatData *
DataAccess::find() const
{
return Database::find(const_cast<void *>((const void *)this));
}
const StatData *
getStatData(const void *stat)
{
return Database::find(const_cast<void *>(stat));
}
void
DataAccess::map(StatData *data)
{
Database::regStat(this, data);
}
StatData *
DataAccess::statData()
{
StatData *ptr = find();
assert(ptr);
return ptr;
}
const StatData *
DataAccess::statData() const
{
const StatData *ptr = find();
assert(ptr);
return ptr;
}
void
DataAccess::setInit()
{
statData()->flags |= init;
}
void
DataAccess::setPrint()
{
Database::regPrint(this);
}
StatData::StatData()
: flags(none), precision(-1), prereq(0)
{
static int count = 0;
id = count++;
}
StatData::~StatData()
{
}
bool
StatData::less(StatData *stat1, StatData *stat2)
{
const string &name1 = stat1->name;
const string &name2 = stat2->name;
vector<string> v1;
vector<string> v2;
tokenize(v1, name1, '.');
tokenize(v2, name2, '.');
int last = min(v1.size(), v2.size()) - 1;
for (int i = 0; i < last; ++i)
if (v1[i] != v2[i])
return v1[i] < v2[i];
// Special compare for last element.
if (v1[last] == v2[last])
return v1.size() < v2.size();
else
return v1[last] < v2[last];
return false;
}
bool
StatData::baseCheck() const
{
if (!(flags & init)) {
#ifdef DEBUG
cprintf("this is stat number %d\n", id);
#endif
panic("Not all stats have been initialized");
return false;
}
if ((flags & print) && name.empty()) {
panic("all printable stats must be named");
return false;
}
return true;
}
void
FormulaBase::result(VResult &vec) const
{
if (root)
vec = root->result();
}
Result
FormulaBase::total() const
{
return root ? root->total() : 0.0;
}
size_t
FormulaBase::size() const
{
if (!root)
return 0;
else
return root->size();
}
bool
FormulaBase::binned() const
{
return root && root->binned();
}
void
FormulaBase::reset()
{
}
bool
FormulaBase::zero() const
{
VResult vec;
result(vec);
for (int i = 0; i < vec.size(); ++i)
if (vec[i] != 0.0)
return false;
return true;
}
void
FormulaBase::update(StatData *)
{
}
string
FormulaBase::str() const
{
return root ? root->str() : "";
}
Formula::Formula()
{
setInit();
}
Formula::Formula(Temp r)
{
root = r;
assert(size());
}
const Formula &
Formula::operator=(Temp r)
{
assert(!root && "Can't change formulas");
root = r;
assert(size());
return *this;
}
const Formula &
Formula::operator+=(Temp r)
{
if (root)
root = NodePtr(new BinaryNode<std::plus<Result> >(root, r));
else
root = r;
assert(size());
return *this;
}
MainBin::MainBin(const string &name)
: _name(name), mem(NULL), memsize(-1)
{
Database::regBin(this, name);
}
MainBin::~MainBin()
{
if (mem)
delete [] mem;
}
char *
MainBin::memory(off_t off)
{
if (memsize == -1)
memsize = CeilPow2((size_t) offset());
if (!mem) {
mem = new char[memsize];
memset(mem, 0, memsize);
}
assert(offset() <= size());
return mem + off;
}
void
check()
{
typedef Database::stat_list_t::iterator iter_t;
iter_t i, end = Database::stats().end();
for (i = Database::stats().begin(); i != end; ++i) {
StatData *data = *i;
assert(data);
data->check();
}
int j = 0;
for (i = Database::stats().begin(); i != end; ++i) {
StatData *data = *i;
if (!(data->flags & print))
data->name = "__Stat" + to_string(j++);
}
Database::stats().sort(StatData::less);
if (i == end)
return;
iter_t last = i;
++i;
for (i = Database::stats().begin(); i != end; ++i) {
if ((*i)->name == (*last)->name)
panic("same name used twice! name=%s\n", (*i)->name);
last = i;
}
}
CallbackQueue resetQueue;
void
reset()
{
// reset non-binned stats
Database::stat_list_t::iterator i = Database::stats().begin();
Database::stat_list_t::iterator end = Database::stats().end();
while (i != end) {
StatData *data = *i;
if (!data->binned())
data->reset();
++i;
}
// save the bin so we can go back to where we were
MainBin *orig = MainBin::curBin();
// reset binned stats
Database::bin_list_t::iterator bi = Database::bins().begin();
Database::bin_list_t::iterator be = Database::bins().end();
while (bi != be) {
MainBin *bin = *bi;
bin->activate();
i = Database::stats().begin();
while (i != end) {
StatData *data = *i;
if (data->binned())
data->reset();
++i;
}
++bi;
}
// restore bin
MainBin::curBin() = orig;
resetQueue.process();
}
void
registerResetCallback(Callback *cb)
{
resetQueue.add(cb);
}
/* namespace Stats */ }