72 lines
1.5 KiB
C++
72 lines
1.5 KiB
C++
/**
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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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* @file memoryUsagePointerCounts.cxx
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* @author drose
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* @date 2001-06-04
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*/
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#include "memoryUsagePointerCounts.h"
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#include "memoryInfo.h"
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/**
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* Adds a pointer definition to the counter.
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*/
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void MemoryUsagePointerCounts::
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add_info(MemoryInfo *info) {
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#ifdef DO_MEMORY_USAGE
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_count++;
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if (info->is_size_known()) {
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_size += info->get_size();
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} else {
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_unknown_size_count++;
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}
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#endif
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}
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/**
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*
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*/
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void MemoryUsagePointerCounts::
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output(std::ostream &out) const {
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#ifdef DO_MEMORY_USAGE
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out << _count << " pointers";
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if (_unknown_size_count < _count) {
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out << ", ";
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output_bytes(out, _size);
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out << ", avg ";
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output_bytes(out, _size / (_count - _unknown_size_count));
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out << " each";
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if (_unknown_size_count != 0) {
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out << " (" << _unknown_size_count << " of unknown size)";
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}
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}
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#endif
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}
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/**
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* Formats a size in bytes in a meaningful and concise way for output, with
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* units.
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*/
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void MemoryUsagePointerCounts::
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output_bytes(std::ostream &out, size_t size) {
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#ifdef DO_MEMORY_USAGE
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if (size < 4 * 1024) {
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out << size << " bytes";
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} else if (size < 4 * 1024 * 1024) {
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out << size / 1024 << " Kb";
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} else {
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out << size / (1024 * 1024) << " Mb";
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}
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#endif
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}
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