1/*
2Open Asset Import Library (assimp)
3----------------------------------------------------------------------
4
5Copyright (c) 2006-2017, assimp team
6
7All rights reserved.
8
9Redistribution and use of this software in source and binary forms,
10with or without modification, are permitted provided that the
11following conditions are met:
12
13* Redistributions of source code must retain the above
14 copyright notice, this list of conditions and the
15 following disclaimer.
16
17* Redistributions in binary form must reproduce the above
18 copyright notice, this list of conditions and the
19 following disclaimer in the documentation and/or other
20 materials provided with the distribution.
21
22* Neither the name of the assimp team, nor the names of its
23 contributors may be used to endorse or promote products
24 derived from this software without specific prior
25 written permission of the assimp team.
26
27THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
30A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
31OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
32SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
33LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
34DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
35THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
36(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
37OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38
39----------------------------------------------------------------------
40*/
41
42/** @file Profiler.h
43 * @brief Utility to measure the respective runtime of each import step
44 */
45#ifndef INCLUDED_PROFILER_H
46#define INCLUDED_PROFILER_H
47
48#include <chrono>
49#include <assimp/DefaultLogger.hpp>
50#include "TinyFormatter.h"
51
52#include <map>
53
54namespace Assimp {
55namespace Profiling {
56
57using namespace Formatter;
58
59// ------------------------------------------------------------------------------------------------
60/** Simple wrapper around boost::timer to simplify reporting. Timings are automatically
61 * dumped to the log file.
62 */
63class Profiler {
64public:
65 Profiler() {
66 // empty
67 }
68
69public:
70
71 /** Start a named timer */
72 void BeginRegion(const std::string& region) {
73 regions[region] = std::chrono::system_clock::now();
74 DefaultLogger::get()->debug((format("START `"),region,"`"));
75 }
76
77
78 /** End a specific named timer and write its end time to the log */
79 void EndRegion(const std::string& region) {
80 RegionMap::const_iterator it = regions.find(region);
81 if (it == regions.end()) {
82 return;
83 }
84
85 std::chrono::duration<double> elapsedSeconds = std::chrono::system_clock::now() - regions[region];
86 DefaultLogger::get()->debug((format("END `"),region,"`, dt= ", elapsedSeconds.count()," s"));
87 }
88
89private:
90 typedef std::map<std::string,std::chrono::time_point<std::chrono::system_clock>> RegionMap;
91 RegionMap regions;
92};
93
94}
95}
96
97#endif
98
99