83 lines
2.4 KiB
C++
83 lines
2.4 KiB
C++
// Filename: memoryUsagePointerCounts.cxx
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// Created by: drose (04Jun01)
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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) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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#include "memoryUsagePointerCounts.h"
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#ifdef DO_MEMORY_USAGE
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#include "memoryInfo.h"
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////////////////////////////////////////////////////////////////////
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// Function: MemoryUsagePointerCounts::add_info
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// Access: Public
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// Description: 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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_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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}
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////////////////////////////////////////////////////////////////////
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// Function: MemoryUsagePointerCounts::output
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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void MemoryUsagePointerCounts::
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output(ostream &out) const {
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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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}
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////////////////////////////////////////////////////////////////////
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// Function: MemoryUsagePointerCounts::output_bytes
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// Access: Private, Static
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// Description: Formats a size in bytes in a meaningful and concise
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// way for output, with units.
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////////////////////////////////////////////////////////////////////
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void MemoryUsagePointerCounts::
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output_bytes(ostream &out, size_t size) {
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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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}
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#endif // DO_MEMORY_USAGE
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