71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
// Filename: cacheStats.cxx
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// Created by: drose (24Jul07)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) Carnegie Mellon University. All rights reserved.
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//
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// All use of this software is subject to the terms of the revised BSD
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// license. You should have received a copy of this license along
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// with this source code in a file named "LICENSE."
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//
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////////////////////////////////////////////////////////////////////
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#include "cacheStats.h"
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////////////////////////////////////////////////////////////////////
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// Function: CacheStats::init
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// Access: Public
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// Description: Initializes the CacheStats for the first time. We
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// don't use the constructor for this, since we can't
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// guarantee ordering of static constructors.
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////////////////////////////////////////////////////////////////////
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void CacheStats::
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init() {
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#ifndef NDEBUG
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reset(ClockObject::get_global_clock()->get_real_time());
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_total_cache_size = 0;
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_num_states = 0;
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_cache_report = ConfigVariableBool("cache-report", false);
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_cache_report_interval = ConfigVariableDouble("cache-report-interval", 5.0);
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#endif // NDEBUG
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}
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////////////////////////////////////////////////////////////////////
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// Function: CacheStats::reset
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// Access: Public
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// Description: Reinitializes just those parts of the CacheStats that
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// should be reset between each reporting interval.
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////////////////////////////////////////////////////////////////////
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void CacheStats::
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reset(double now) {
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#ifndef NDEBUG
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_cache_hits = 0;
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_cache_misses = 0;
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_cache_adds = 0;
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_cache_new_adds = 0;
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_cache_dels = 0;
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_last_reset = now;
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#endif // NDEBUG
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}
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////////////////////////////////////////////////////////////////////
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// Function: CacheStats::write
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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void CacheStats::
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write(ostream &out, const char *name) const {
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#ifndef NDEBUG
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out << name << " cache: " << _cache_hits << " hits, "
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<< _cache_misses << " misses\n"
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<< _cache_adds + _cache_new_adds << "(" << _cache_new_adds << ") adds(new), "
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<< _cache_dels << " dels, "
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<< _total_cache_size << " / " << _num_states << " = "
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<< (double)_total_cache_size / (double)_num_states
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<< " average cache size\n";
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#endif // NDEBUG
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}
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