X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=base%2Fstatistics.cc;h=eaefd5f15a69ed0f754adfd11d8e075e1dc33e97;hb=5aa71721193c49016ffa69934b44ce38672e4eed;hp=afe613455351b5db76bdc588906d1ffe81601306;hpb=a1dcdeb3d85031e851bb9227a9b1fb2b20e3172d;p=gem5.git

diff --git a/base/statistics.cc b/base/statistics.cc
index afe613455..eaefd5f15 100644
--- a/base/statistics.cc
+++ b/base/statistics.cc
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003 The Regents of The University of Michigan
+ * Copyright (c) 2003-2005 The Regents of The University of Michigan
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -27,7 +27,7 @@
  */
 
 #include <iomanip>
-#include <iostream>
+#include <fstream>
 #include <list>
 #include <map>
 #include <string>
@@ -35,248 +35,35 @@
 
 #include "base/callback.hh"
 #include "base/cprintf.hh"
+#include "base/hostinfo.hh"
 #include "base/misc.hh"
 #include "base/statistics.hh"
 #include "base/str.hh"
-#include "sim/universe.hh"
-
-#ifdef __M5_NAN
-float
-__nan()
-{
-    union {
-        uint32_t ui;
-        float f;
-    } nan;
-
-    nan.ui = 0x7fc00000;
-    return nan.f;
-}
-#endif
-
-#ifdef STAT_DEBUG
-static int total_stats = 0;
-#endif
+#include "base/time.hh"
+#include "base/trace.hh"
+#include "base/stats/statdb.hh"
+#include "config/stats_binning.hh"
 
 using namespace std;
 
-// This is a hack to get this parameter from the old stats package.
-namespace Statistics {
-bool PrintDescriptions = true;
-DisplayMode default_mode = mode_simplescalar;
-
-namespace Database
-{
-    class Data
-    {
-      private:
-        typedef list<StatData *> list_t;
-        typedef map<void *, StatData *> map_t;
-
-        list<MainBin *> bins;
-        map<const MainBin *, string > bin_names;
-        list_t binnedStats;
-
-        list_t allStats;
-        list_t printStats;
-        map_t statMap;
-
-      public:
-        void dump(ostream &stream);
-
-        StatData *find(void *stat);
-        void mapStat(void *stat, StatData *data);
-
-        void check();
-        void reset();
-        void regBin(MainBin *bin, string name);
-        void regPrint(void *stat);
-    };
-
-
-void
-Data::dump(ostream &stream)
-{
-#ifndef FS_MEASURE
-    list_t::iterator i = printStats.begin();
-    list_t::iterator end = printStats.end();
-    while (i != end) {
-        StatData *stat = *i;
-        if (stat->binned())
-            binnedStats.push_back(stat);
-        ++i;
-    }
-#endif //FS_MEASURE
-
-    list<MainBin *>::iterator j = bins.begin();
-    list<MainBin *>::iterator bins_end=bins.end();
-
-    if (!bins.empty()) {
-        ccprintf(stream, "PRINTING BINNED STATS\n");
-        while (j != bins_end) {
-            (*j)->activate();
-            map<const MainBin  *, string>::const_iterator iter;
-            iter = bin_names.find(*j);
-            if (iter == bin_names.end())
-                panic("a binned stat not found in names map!");
-            ccprintf(stream,"---%s Bin------------\n", (*iter).second);
-
-#ifdef FS_MEASURE
-            list_t::iterator i = printStats.begin();
-            list_t::iterator end = printStats.end();
-#else
-            list_t::iterator i = binnedStats.begin();
-            list_t::iterator end = binnedStats.end();
-#endif
-            while (i != end) {
-                StatData *stat = *i;
-                if (stat->dodisplay())
-                    stat->display(stream);
-                ++i;
-            }
-            ++j;
-            ccprintf(stream, "---------------------------------\n");
-        }
-#ifndef FS_MEASURE
-        ccprintf(stream, "**************ALL STATS************\n");
-#endif
-    }
-
-/**
- * get bin totals working, then print the stat here (as total), even if
- * its' binned.  (this is only for the case you selectively bin a few stats
- */
-#ifndef FS_MEASURE
-    list_t::iterator k = printStats.begin();
-    list_t::iterator endprint = printStats.end();
-    while (k != endprint) {
-        StatData *stat = *k;
-        if (stat->dodisplay() /*&& !stat->binned()*/)
-            stat->display(stream);
-        ++k;
-    }
-#endif
-}
+namespace Stats {
 
 StatData *
-Data::find(void *stat)
-{
-    map_t::const_iterator i = statMap.find(stat);
-
-    if (i == statMap.end())
-        return NULL;
-
-    return (*i).second;
-}
-
-void
-Data::check()
-{
-    list_t::iterator i = allStats.begin();
-    list_t::iterator end = allStats.end();
-
-    while (i != end) {
-        StatData *stat = *i;
-        assert(stat);
-        stat->check();
-        ++i;
-    }
-}
-
-void
-Data::reset()
-{
-    list_t::iterator i = allStats.begin();
-    list_t::iterator end = allStats.end();
-    while (i != end) {
-        StatData *stat = *i;
-        stat->reset();
-        ++i;
-    }
-
-    MainBin *orig = MainBin::curBin();
-
-    list<MainBin *>::iterator bi = bins.begin();
-    list<MainBin *>::iterator be = bins.end();
-    while (bi != be) {
-        MainBin *bin = *bi;
-        bin->activate();
-
-        i = allStats.begin();
-        while (i != end) {
-            StatData *stat = *i;
-            stat->reset();
-            ++i;
-        }
-        ++bi;
-    }
-
-    if (orig)
-        orig->activate();
-}
-
-void
-Data::mapStat(void *stat, StatData *data)
-{
-    if (statMap.find(stat) != statMap.end())
-        panic("shouldn't register stat twice!");
-
-    allStats.push_back(data);
-
-    bool success = (statMap.insert(make_pair(stat, data))).second;
-    assert(statMap.find(stat) != statMap.end());
-    assert(success && "this should never fail");
-}
-
-void
-Data::regBin(MainBin *bin, string name)
-{
-    if (bin_names.find(bin) != bin_names.end())
-        panic("shouldn't register bin twice");
-
-    bins.push_back(bin);
-
-    bool success = (bin_names.insert(make_pair(bin,name))).second;
-    assert(bin_names.find(bin) != bin_names.end());
-    assert(success && "this should not fail");
-
-    cprintf("registering %s\n", name);
-}
-
-void
-Data::regPrint(void *stat)
-{
-    StatData *data = find(stat);
-
-    if (!data->print) {
-        data->print = true;
-
-        list_t::iterator j = printStats.insert(printStats.end(), data);
-        inplace_merge(printStats.begin(), j,
-                      printStats.end(), StatData::less);
-    }
-
-}
-
-Data &
-StatDB()
+DataAccess::find() const
 {
-    static Data db;
-    return db;
-}
-
+    return Database::find(const_cast<void *>((const void *)this));
 }
 
-StatData *
-DataAccess::find() const
+const StatData *
+getStatData(const void *stat)
 {
-    return Database::StatDB().find(const_cast<void *>((const void *)this));
+    return Database::find(const_cast<void *>(stat));
 }
 
 void
 DataAccess::map(StatData *data)
 {
-    Database::StatDB().mapStat(this, data);
+    Database::regStat(this, data);
 }
 
 StatData *
@@ -298,13 +85,20 @@ DataAccess::statData() const
 void
 DataAccess::setInit()
 {
-    statData()->init = true;
+    statData()->flags |= init;
 }
 
 void
 DataAccess::setPrint()
 {
-    Database::StatDB().regPrint(this);
+    Database::regPrint(this);
+}
+
+StatData::StatData()
+    : flags(none), precision(-1), prereq(0)
+{
+    static int count = 0;
+    id = count++;
 }
 
 StatData::~StatData()
@@ -338,17 +132,17 @@ StatData::less(StatData *stat1, StatData *stat2)
 }
 
 bool
-StatData::check() const
+StatData::baseCheck() const
 {
-    if (!init) {
-#ifdef STAT_DEBUG
-        cprintf("this is stat number %d\n",(*i)->number);
+    if (!(flags & init)) {
+#ifdef DEBUG
+        cprintf("this is stat number %d\n", id);
 #endif
         panic("Not all stats have been initialized");
         return false;
     }
 
-    if (print && name.empty()) {
+    if ((flags & print) && name.empty()) {
         panic("all printable stats must be named");
         return false;
     }
@@ -356,561 +150,18 @@ StatData::check() const
     return true;
 }
 
-string
-ValueToString(result_t value, DisplayMode mode, int precision)
-{
-    stringstream val;
-
-    if (!isnan(value)) {
-        if (precision != -1)
-            val.precision(precision);
-        else if (value == rint(value))
-            val.precision(0);
-
-        val.unsetf(ios::showpoint);
-        val.setf(ios::fixed);
-        val << value;
-    } else {
-        val << (mode == mode_m5 ? "no value" : "<err: div-0>");
-    }
-
-    return val.str();
-}
-
-struct ScalarPrint
-{
-    result_t value;
-    string name;
-    string desc;
-    int precision;
-    DisplayMode mode;
-    FormatFlags flags;
-    result_t pdf;
-    result_t cdf;
-
-    ScalarPrint()
-        : value(0.0), precision(0), mode(default_mode), flags(0),
-          pdf(NAN), cdf(NAN)
-    {}
-
-    void operator()(ostream &stream) const;
-};
 
 void
-ScalarPrint::operator()(ostream &stream) const
-{
-    if (flags & nozero && value == 0.0 ||
-        flags & nonan && isnan(value))
-        return;
-
-    stringstream pdfstr, cdfstr;
-
-    if (!isnan(pdf))
-        ccprintf(pdfstr, "%.2f%%", pdf * 100.0);
-
-    if (!isnan(cdf))
-        ccprintf(cdfstr, "%.2f%%", cdf * 100.0);
-
-    if (mode == mode_simplescalar && flags & __substat) {
-        ccprintf(stream, "%32s %12s %10s %10s", name,
-                 ValueToString(value, mode, precision),
-                 pdfstr, cdfstr);
-    } else {
-        ccprintf(stream, "%-40s %12s %10s %10s", name,
-                 ValueToString(value, mode, precision), pdfstr, cdfstr);
-    }
-
-    if (PrintDescriptions) {
-        if (!desc.empty())
-            ccprintf(stream, " # %s", desc);
-    }
-    stream << endl;
-}
-
-struct VectorPrint
-{
-    string name;
-    string desc;
-    vector<string> subnames;
-    vector<string> subdescs;
-    int precision;
-    DisplayMode mode;
-    FormatFlags flags;
-    rvec_t vec;
-    result_t total;
-
-    VectorPrint()
-        : subnames(0), subdescs(0), precision(-1), mode(default_mode),
-          flags(0), total(NAN)
-    {}
-
-    void operator()(ostream &stream) const;
-};
-
-void
-VectorPrint::operator()(std::ostream &stream) const
-{
-    int _size = vec.size();
-    result_t _total = 0.0;
-
-    if (flags & (pdf | cdf)) {
-        for (int i = 0; i < _size; ++i) {
-            _total += vec[i];
-        }
-    }
-
-    string base = name + ((mode == mode_simplescalar) ? "_" : "::");
-
-    ScalarPrint print;
-    print.name = name;
-    print.desc = desc;
-    print.precision = precision;
-    print.flags = flags;
-
-    bool havesub = !subnames.empty();
-
-    if (_size == 1) {
-        print.value = vec[0];
-        print(stream);
-    } else if (mode == mode_m5) {
-        for (int i = 0; i < _size; ++i) {
-            if (havesub && (i >= subnames.size() || subnames[i].empty()))
-                continue;
-
-            print.name = base + (havesub ? subnames[i] : to_string(i));
-            print.desc = subdescs.empty() ? desc : subdescs[i];
-            print.value = vec[i];
-
-            if (_total && (flags & pdf)) {
-                print.pdf = vec[i] / _total;
-                print.cdf += print.pdf;
-            }
-
-            print(stream);
-        }
-
-        if (flags & ::Statistics::total) {
-            print.name = base + "total";
-            print.desc = desc;
-            print.value = total;
-            print(stream);
-        }
-    } else {
-        if (flags & ::Statistics::total) {
-            print.value = total;
-            print(stream);
-        }
-
-        result_t _pdf = 0.0;
-        result_t _cdf = 0.0;
-        if (flags & dist) {
-            ccprintf(stream, "%s.start_dist\n", name);
-            for (int i = 0; i < _size; ++i) {
-                print.name = havesub ? subnames[i] : to_string(i);
-                print.desc = subdescs.empty() ? desc : subdescs[i];
-                print.flags |= __substat;
-                print.value = vec[i];
-
-                if (_total) {
-                    _pdf = vec[i] / _total;
-                    _cdf += _pdf;
-                }
-
-                if (flags & pdf)
-                    print.pdf = _pdf;
-                if (flags & cdf)
-                    print.cdf = _cdf;
-
-                print(stream);
-            }
-            ccprintf(stream, "%s.end_dist\n", name);
-        } else {
-            for (int i = 0; i < _size; ++i) {
-                if (havesub && subnames[i].empty())
-                    continue;
-
-                print.name = base;
-                print.name += havesub ? subnames[i] : to_string(i);
-                print.desc = subdescs.empty() ? desc : subdescs[i];
-                print.value = vec[i];
-
-                if (_total) {
-                    _pdf = vec[i] / _total;
-                    _cdf += _pdf;
-                } else {
-                    _pdf = _cdf = NAN;
-                }
-
-                if (flags & pdf) {
-                    print.pdf = _pdf;
-                    print.cdf = _cdf;
-                }
-
-                print(stream);
-            }
-        }
-    }
-}
-
-struct DistPrint
+FormulaBase::result(VResult &vec) const
 {
-    string name;
-    string desc;
-    int precision;
-    DisplayMode mode;
-    FormatFlags flags;
-
-    result_t min_val;
-    result_t max_val;
-    result_t underflow;
-    result_t overflow;
-    rvec_t vec;
-    result_t sum;
-    result_t squares;
-    result_t samples;
-
-    int min;
-    int max;
-    int bucket_size;
-    int size;
-    bool fancy;
-
-    void operator()(ostream &stream) const;
-};
-
-void
-DistPrint::operator()(ostream &stream) const
-{
-    if (fancy) {
-        ScalarPrint print;
-        string base = name + ((mode == mode_m5) ? "::" : "_");
-
-        print.precision = precision;
-        print.flags = flags;
-        print.desc = desc;
-
-        print.name = base + "mean";
-        print.value = samples ? sum / samples : NAN;
-        print(stream);
-
-        print.name = base + "stdev";
-        print.value = samples ? sqrt((samples * squares - sum * sum) /
-                                     (samples * (samples - 1.0))) : NAN;
-        print(stream);
-
-        print.name = "**Ignore: " + base + "TOT";
-        print.value = samples;
-        print(stream);
-        return;
-    }
-
-    assert(size == vec.size());
-
-    result_t total = 0.0;
-
-    total += underflow;
-    for (int i = 0; i < size; ++i)
-        total += vec[i];
-    total += overflow;
-
-    string base = name + (mode == mode_m5 ? "::" : ".");
-
-    ScalarPrint print;
-    print.desc = (mode == mode_m5) ? desc : "";
-    print.precision = precision;
-    print.mode = mode;
-    print.flags = flags;
-
-    if (mode == mode_simplescalar) {
-        ccprintf(stream, "%-42s", base + "start_dist");
-        if (PrintDescriptions && !desc.empty())
-            ccprintf(stream, "                     # %s", desc);
-        stream << endl;
-    }
-
-    print.name = base + "samples";
-    print.value = samples;
-    print(stream);
-
-    print.name = base + "min_value";
-    print.value = min_val;
-    print(stream);
-
-    if (mode == mode_m5 || underflow > 0.0) {
-        print.name = base + "underflows";
-        print.value = underflow;
-        if (mode == mode_m5 && total) {
-            print.pdf = underflow / total;
-            print.cdf += print.pdf;
-        }
-        print(stream);
-    }
-
-
-    if (mode == mode_m5) {
-        for (int i = 0; i < size; ++i) {
-            stringstream namestr;
-            namestr << name;
-
-            int low = i * bucket_size + min;
-            int high = ::min((i + 1) * bucket_size + min - 1, max);
-            namestr << low;
-            if (low < high)
-                namestr << "-" << high;
-
-            print.name = namestr.str();
-            print.value = vec[i];
-            if (total) {
-                print.pdf = vec[i] / total;
-                print.cdf += print.pdf;
-            }
-            print(stream);
-        }
-
-    } else {
-        int _min;
-        result_t _pdf;
-        result_t _cdf = 0.0;
-
-        print.flags = flags | __substat;
-
-        for (int i = 0; i < size; ++i) {
-            if (flags & nozero && vec[i] == 0.0 ||
-                flags & nonan && isnan(vec[i]))
-                continue;
-
-            _min = i * bucket_size + min;
-            _pdf = vec[i] / total * 100.0;
-            _cdf += _pdf;
-
-
-            print.name = ValueToString(_min, mode, 0);
-            print.value = vec[i];
-            print.pdf = (flags & pdf) ? _pdf : NAN;
-            print.cdf = (flags & cdf) ? _cdf : NAN;
-            print(stream);
-        }
-
-        print.flags = flags;
-        if (flags & (pdf || cdf)) {
-            print.pdf = NAN;
-            print.cdf = NAN;
-        }
-    }
-
-    if (mode == mode_m5 || overflow > 0.0) {
-        print.name = base + "overflows";
-        print.value = overflow;
-        if (mode == mode_m5 && total) {
-            print.pdf = overflow / total;
-            print.cdf += print.pdf;
-        }
-        print(stream);
-    }
-
-    print.pdf = NAN;
-    print.cdf = NAN;
-
-    if (mode != mode_simplescalar) {
-        print.name = base + "total";
-        print.value = total;
-        print(stream);
-    }
-
-    print.name = base + "max_value";
-    print.value = max_val;
-    print(stream);
-
-    if (mode != mode_simplescalar && samples != 0) {
-        print.name = base + "mean";
-        print.value = sum / samples;
-        print(stream);
-
-        print.name = base + "stdev";
-        print.value = sqrt((samples * squares - sum * sum) /
-                           (samples * (samples - 1.0)));
-        print(stream);
-    }
-
-    if (mode == mode_simplescalar)
-        ccprintf(stream, "%send_dist\n\n", base);
-}
-
-void
-ScalarDataBase::display(ostream &stream) const
-{
-    ScalarPrint print;
-    print.value = val();
-    print.name = name;
-    print.desc = desc;
-    print.precision = precision;
-    print.flags = flags;
-
-    print(stream);
-}
-
-void
-VectorDataBase::display(ostream &stream) const
-{
-    int size = this->size();
-    const_cast<VectorDataBase *>(this)->update();
-
-    VectorPrint print;
-
-    print.name = name;
-    print.desc = desc;
-    print.mode = mode;
-    print.flags = flags;
-    print.precision = precision;
-    print.vec = val();
-    print.total = total();
-
-    for (int i = 0; i < size; ++i) {
-        if (!subnames[i].empty()) {
-            print.subnames = subnames;
-            print.subnames.resize(size);
-            for (int i = 0; i < size; ++i) {
-                if (!subnames[i].empty() && !subdescs[i].empty()) {
-                    print.subdescs = subdescs;
-                    print.subdescs.resize(size);
-                    break;
-                }
-            }
-            break;
-        }
-    }
-
-
-    print(stream);
-}
-
-void
-Vector2dDataBase::display(ostream &stream) const
-{
-    const_cast<Vector2dDataBase *>(this)->update();
-
-    bool havesub = false;
-    VectorPrint print;
-
-    print.subnames = y_subnames;
-    print.mode = mode;
-    print.flags = flags;
-    print.precision = precision;
-
-    if (!subnames.empty()) {
-        for (int i = 0; i < x; ++i)
-            if (!subnames[i].empty())
-                havesub = true;
-    }
-
-    rvec_t tot_vec(y);
-    result_t super_total = 0.0;
-    for (int i = 0; i < x; ++i) {
-        if (havesub && (i >= subnames.size() || subnames[i].empty()))
-            continue;
-
-        int iy = i * y;
-        rvec_t yvec(y);
-
-        result_t total = 0.0;
-        for (int j = 0; j < y; ++j) {
-            yvec[j] = vec[iy + j];
-            tot_vec[j] += yvec[j];
-            total += yvec[j];
-            super_total += yvec[j];
-        }
-
-        print.name = name + "_" + (havesub ? subnames[i] : to_string(i));
-        print.desc = desc;
-        print.vec = yvec;
-        print.total = total;
-        print(stream);
-    }
-
-    if ((flags & ::Statistics::total) && (x > 1)) {
-        print.name = name;
-        print.desc = desc;
-        print.vec = tot_vec;
-        print.total = super_total;
-        print(stream);
-    }
-}
-
-void
-DistDataBase::display(ostream &stream) const
-{
-    const_cast<DistDataBase *>(this)->update();
-
-    DistPrint print;
-
-    print.name = name;
-    print.desc = desc;
-    print.precision = precision;
-    print.mode = mode;
-    print.flags = flags;
-
-    print.min_val = data.min_val;
-    print.max_val = data.max_val;
-    print.underflow = data.underflow;
-    print.overflow = data.overflow;
-    print.vec = data.vec;
-    print.sum = data.sum;
-    print.squares = data.squares;
-    print.samples = data.samples;
-
-    print.min = data.min;
-    print.max = data.max;
-    print.bucket_size = data.bucket_size;
-    print.size = data.size;
-    print.fancy = data.fancy;
-
-    print(stream);
-}
-
-void
-VectorDistDataBase::display(ostream &stream) const
-{
-    const_cast<VectorDistDataBase *>(this)->update();
-
-    for (int i = 0; i < size(); ++i) {
-        DistPrint print;
-
-        print.name = name +
-            (subnames[i].empty() ? ("_" + to_string(i)) : subnames[i]);
-        print.desc = subdescs[i].empty() ? desc : subdescs[i];
-        print.precision = precision;
-        print.mode = mode;
-        print.flags = flags;
-
-        print.min_val = data[i].min_val;
-        print.max_val = data[i].max_val;
-        print.underflow = data[i].underflow;
-        print.overflow = data[i].overflow;
-        print.vec = data[i].vec;
-        print.sum = data[i].sum;
-        print.squares = data[i].squares;
-        print.samples = data[i].samples;
-
-        print.min = data[i].min;
-        print.max = data[i].max;
-        print.bucket_size = data[i].bucket_size;
-        print.size = data[i].size;
-        print.fancy = data[i].fancy;
-
-        print(stream);
-    }
-}
-
-void
-FormulaBase::val(rvec_t &vec) const
-{
-    vec = root->val();
+    if (root)
+        vec = root->result();
 }
 
-result_t
+Result
 FormulaBase::total() const
 {
-    return root->total();
+    return root ? root->total() : 0.0;
 }
 
 size_t
@@ -925,7 +176,7 @@ FormulaBase::size() const
 bool
 FormulaBase::binned() const
 {
-    return root->binned();
+    return root && root->binned();
 }
 
 void
@@ -936,8 +187,8 @@ FormulaBase::reset()
 bool
 FormulaBase::zero() const
 {
-    rvec_t vec;
-    val(vec);
+    VResult vec;
+    result(vec);
     for (int i = 0; i < vec.size(); ++i)
         if (vec[i] != 0.0)
             return false;
@@ -949,6 +200,12 @@ FormulaBase::update(StatData *)
 {
 }
 
+string
+FormulaBase::str() const
+{
+    return root ? root->str() : "";
+}
+
 Formula::Formula()
 {
     setInit();
@@ -973,7 +230,7 @@ const Formula &
 Formula::operator+=(Temp r)
 {
     if (root)
-        root = NodePtr(new BinaryNode<std::plus<result_t> >(root, r));
+        root = NodePtr(new BinaryNode<std::plus<Result> >(root, r));
     else
         root = r;
     assert(size());
@@ -983,7 +240,7 @@ Formula::operator+=(Temp r)
 MainBin::MainBin(const string &name)
     : _name(name), mem(NULL), memsize(-1)
 {
-    Database::StatDB().regBin(this, name);
+    Database::regBin(this, name);
 }
 
 MainBin::~MainBin()
@@ -1010,28 +267,91 @@ MainBin::memory(off_t off)
 void
 check()
 {
-    Database::StatDB().check();
-}
+    typedef Database::stat_list_t::iterator iter_t;
 
-void
-dump(ostream &stream)
-{
-    Database::StatDB().dump(stream);
+    iter_t i, end = Database::stats().end();
+    for (i = Database::stats().begin(); i != end; ++i) {
+        StatData *data = *i;
+        assert(data);
+        if (!data->check() || !data->baseCheck())
+            panic("stat check failed for %s\n", data->name);
+    }
+
+    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 STATS_BINNING
+    if (MainBin::curBin() == NULL) {
+        static MainBin mainBin("main bin");
+        mainBin.activate();
+    }
+#endif
+
+    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
-RegResetCallback(Callback *cb)
+reset()
 {
-    resetQueue.add(cb);
+    // 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
-reset()
+registerResetCallback(Callback *cb)
 {
-    Database::StatDB().reset();
-    resetQueue.process();
+    resetQueue.add(cb);
 }
 
-} // namespace Statistics
+/* namespace Stats */ }