From 02bacb2dfdfcb3161f8fbada4bf3108566989fcd Mon Sep 17 00:00:00 2001 From: Nathan Binkert Date: Mon, 20 Oct 2003 23:08:27 -0400 Subject: Implement reset for stats. base/statistics.cc: base/statistics.hh: Implement a reset for for the statistics package. This will cause all stats to be set to their default value. Only the currently enabled bin will be reset. test/Makefile: Make tests work again now that we're naming include dirs explicitly test/stattest.cc: test reset --HG-- extra : convert_revision : 8d21cedf6ee91ed0a2412042ea5cb12f79b90eb3 --- base/statistics.cc | 29 ++++++++++ base/statistics.hh | 162 +++++++++++++++++++++++++++++++++++++++++++++++++++-- 2 files changed, 185 insertions(+), 6 deletions(-) (limited to 'base') diff --git a/base/statistics.cc b/base/statistics.cc index abebcae53..2f52314b9 100644 --- a/base/statistics.cc +++ b/base/statistics.cc @@ -35,6 +35,7 @@ #include +#include "base/callback.hh" #include "base/cprintf.hh" #include "base/intmath.hh" #include "base/misc.hh" @@ -143,6 +144,7 @@ class Database StatData *find(const Stat *stat); void check(); + void reset(); void regStat(Stat *stat); StatData *print(Stat *stat); }; @@ -207,6 +209,18 @@ Database::check() } } +void +Database::reset() +{ + list_t::iterator i = allStats.begin(); + list_t::iterator end = allStats.end(); + + while (i != end) { + (*i)->reset(); + ++i; + } +} + void Database::regStat(Stat *stat) { @@ -842,4 +856,19 @@ dump(ostream &stream) Detail::StatDB().dump(stream); } +CallbackQueue resetQueue; + +void +regReset(Callback *cb) +{ + resetQueue.add(cb); +} + +void +reset() +{ + Detail::StatDB().reset(); + resetQueue.process(); +} + } // namespace Statistics diff --git a/base/statistics.hh b/base/statistics.hh index bd70cf8a0..d4353bd11 100644 --- a/base/statistics.hh +++ b/base/statistics.hh @@ -76,6 +76,8 @@ float __nan(); /** Print stats out in SS format. */ #define STAT_DISPLAY_COMPAT +class Callback; + /** The current simulated cycle. */ extern Tick curTick; @@ -215,6 +217,10 @@ class Stat * @param stream The stream to print to. */ virtual void display(std::ostream &stream) const = 0; + /** + * Reset this stat to the default state. + */ + virtual void reset() = 0; /** * Return the number of entries in this stat. * @return The number of entries. @@ -422,6 +428,10 @@ struct StatStor * @return The value of this stat. */ T value(const Params &p) const { return data; } + /** + * Reset stat value to default + */ + void reset() { data = T(); } }; /** @@ -492,6 +502,15 @@ struct AvgStor * @return The current count. */ T value(const Params &p) const { return current; } + /** + * Reset stat value to default + */ + void reset() + { + current = T(); + total = 0; + last = curTick; + } }; /** @@ -608,6 +627,11 @@ class ScalarBase : public ScalarStat * @return 1. */ virtual size_t size() const { return 1; } + + /** + * Reset stat value to default + */ + void reset() { bin.reset(); } }; ////////////////////////////////////////////////////////////////////// @@ -732,6 +756,10 @@ class VectorBase : public VectorStat * @return The size of the vector. */ virtual size_t size() const { return bin.size(); } + /** + * Reset stat value to default + */ + virtual void reset() { bin.reset(); } }; /** @@ -855,6 +883,10 @@ class ScalarProxy : public ScalarStat * @return 1. */ virtual size_t size() const { return 1; } + /** + * This stat has no state. Nothing to reset + */ + virtual void reset() { } }; template class Storage, class Bin> @@ -980,6 +1012,10 @@ class Vector2dBase : public Stat } } + /** + * Reset stat value to default + */ + virtual void reset() { bin.reset(); } }; template class Storage, class Bin> @@ -1058,6 +1094,11 @@ class VectorProxy : public VectorStat assert (index >= 0 && index < size()); return ScalarProxy(*bin, *params, offset + index); } + + /** + * This stat has no state. Nothing to reset. + */ + virtual void reset() { } }; template class Storage, class Bin> @@ -1120,8 +1161,11 @@ struct DistStor */ DistStor(const Params ¶ms) : min_val(INT_MAX), max_val(INT_MIN), underflow(0), overflow(0), - vec(params.size) { + vec(params.size) + { + reset(); } + /** * Add a value to the distribution for the given number of times. * @param val The value to add. @@ -1200,6 +1244,21 @@ struct DistStor rvec, params.min, params.max, params.bucket_size, params.size); } + /** + * Reset stat value to default + */ + void reset() + { + min_val = INT_MAX; + max_val = INT_MIN; + underflow = 0; + overflow = 0; + + int size = vec.size(); + for (int i = 0; i < size; ++i) + vec[i] = T(); + } + }; void FancyDisplay(std::ostream &stream, const std::string &name, @@ -1231,7 +1290,7 @@ struct FancyStor /** * Create and initialize this storage. */ - FancyStor(const Params &) : sum(0), squares(0), total(0) {} + FancyStor(const Params &) : sum(T()), squares(T()), total(0) {} /** * Add a value the given number of times to this running average. @@ -1286,6 +1345,15 @@ struct FancyStor * @return True if no samples have been added. */ bool zero(const Params &) const { return total == 0; } + /** + * Reset stat value to default + */ + virtual void reset() + { + sum = T(); + squares = T(); + total = 0; + } }; /** @@ -1309,7 +1377,7 @@ struct AvgFancy /** * Create and initialize this storage. */ - AvgFancy(const Params &) : sum(0), squares(0) {} + AvgFancy(const Params &) : sum(T()), squares(T()) {} /** * Add a value to the distribution for the given number of times. @@ -1352,6 +1420,14 @@ struct AvgFancy * @return True if the sum is zero. */ bool zero(const Params ¶ms) const { return sum == 0; } + /** + * Reset stat value to default + */ + virtual void reset() + { + sum = T(); + squares = T(); + } }; /** @@ -1433,6 +1509,13 @@ class DistBase : public Stat data()->display(stream, myname(), mydesc(), myprecision(), myflags(), params); } + /** + * Reset stat value to default + */ + virtual void reset() + { + bin.reset(); + } }; template class Storage, class Bin> @@ -1472,6 +1555,13 @@ class VectorDistBase : public Stat virtual size_t size() const { return bin.size(); } virtual bool zero() const { return false; } virtual void display(std::ostream &stream) const; + /** + * Reset stat value to default + */ + virtual void reset() + { + bin.reset(); + } }; template class Storage, class Bin> @@ -1528,6 +1618,10 @@ class VectorDistProxy : public Stat data()->display(stream, name.str(), desc.str(), cstat->myprecision(), cstat->myflags(), cstat->params); } + /** + * Proxy has no state. Nothing to reset. + */ + virtual void reset() { } }; template class Storage, class Bin> @@ -2032,6 +2126,16 @@ struct StatBin : public Detail::BinBase } return reinterpret_cast(ptr); } + void reset() + { + char *ptr = access(); + char *flags = ptr + size() * sizeof(Storage); + if (!(*flags & 0x1)) + return; + + Storage *s = reinterpret_cast(ptr); + s->reset(); + } }; template @@ -2068,6 +2172,19 @@ struct StatBin : public Detail::BinBase } return reinterpret_cast(ptr + index * sizeof(Storage)); } + void reset() + { + char *ptr = access(); + char *flags = ptr + size() * sizeof(Storage); + if (!(*flags & 0x1)) + return; + + for (int i = 0; i < _size; ++i) { + char *p = ptr + i * sizeof(Storage); + Storage *s = reinterpret_cast(p); + s->reset(); + } + } }; }; @@ -2086,6 +2203,11 @@ struct NoBin char ptr[sizeof(Storage)]; public: + ~Bin() + { + reinterpret_cast(ptr)->~Storage(); + } + bool initialized() const { return true; } void init(const Params ¶ms) { new (ptr) Storage(params); @@ -2095,6 +2217,11 @@ struct NoBin assert(initialized()); return reinterpret_cast(ptr); } + void reset() + { + Storage *s = reinterpret_cast(ptr); + s->reset(); + } }; template @@ -2109,10 +2236,18 @@ struct NoBin public: VectorBin() : ptr(NULL) { } - ~VectorBin() { - if (initialized()) - delete [] ptr; + ~VectorBin() + { + if (!initialized()) + return; + + for (int i = 0; i < _size; ++i) { + char *p = ptr + i * sizeof(Storage); + reinterpret_cast(p)->~Storage(); + } + delete [] ptr; } + bool initialized() const { return ptr != NULL; } void init(int s, const Params ¶ms) { assert(s > 0 && "size must be positive!"); @@ -2130,6 +2265,14 @@ struct NoBin assert(index >= 0 && index < size()); return reinterpret_cast(ptr + index * sizeof(Storage)); } + void reset() + { + for (int i = 0; i < _size; ++i) { + char *p = ptr + i * sizeof(Storage); + Storage *s = reinterpret_cast(p); + s->reset(); + } + } }; }; @@ -2454,6 +2597,11 @@ class Formula : public Detail::VectorStat else return root->size(); } + + /** + * Formulas don't need to be reset + */ + virtual void reset() {} }; /** @@ -2462,6 +2610,8 @@ class Formula : public Detail::VectorStat void check(); void dump(std::ostream &stream); +void reset(); +void regReset(Callback *cb); inline Detail::Temp operator+(Detail::Temp l, Detail::Temp r) -- cgit v1.2.3