1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qbs.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "benchmarker.h"
#include "commandlineparser.h"
#include "exception.h"
#include <QtCore/qcoreapplication.h>
#include <cstdlib>
#include <iostream>
using namespace qbsBenchmarker;
static bool hasRegression = false;
static int relativeChange(qint64 oldVal, qint64 newVal)
{
return newVal == 0 ? 0 : (newVal - oldVal) * 1000 / oldVal;
}
static QByteArray relativeChangeString(int change)
{
QByteArray changeString = QByteArray::number(change / 10);
changeString += " % (" + QByteArray::number(change) + " ‰)";
if (change > 0)
changeString.prepend('+');
return changeString;
}
static void printResults(Activity activity, const BenchmarkResults &results,
int regressionThreshold)
{
std::cout << "========== Performance data for ";
switch (activity) {
case ActivityResolving:
std::cout << "Resolving";
break;
case ActivityRuleExecution:
std::cout << "Rule Execution";
break;
case ActivityNullBuild:
std::cout << "Null Build";
break;
}
std::cout << " ==========" << std::endl;
const BenchmarkResult result = results.value(activity);
const char * const indent = " ";
std::cout << indent << "Old instruction count: " << result.oldInstructionCount << std::endl;
std::cout << indent << "New instruction count: " << result.newInstructionCount << std::endl;
int change = relativeChange(result.oldInstructionCount, result.newInstructionCount);
if (change > regressionThreshold)
hasRegression = true;
std::cout << indent << "Relative change: "
<< relativeChangeString(change).constData()
<< std::endl;
std::cout << indent << "Old peak memory usage: " << result.oldPeakMemoryUsage << " Bytes"
<< std::endl;
std::cout << indent
<< "New peak memory usage: " << result.newPeakMemoryUsage << " Bytes" << std::endl;
change = relativeChange(result.oldPeakMemoryUsage, result.newPeakMemoryUsage);
if (change > regressionThreshold)
hasRegression = true;
std::cout << indent << "Relative change: "
<< relativeChangeString(change).constData()
<< std::endl;
}
static void printResults(Activities activities, const BenchmarkResults &results,
int regressionThreshold)
{
if (activities & ActivityResolving)
printResults(ActivityResolving, results, regressionThreshold);
if (activities & ActivityRuleExecution)
printResults(ActivityRuleExecution, results, regressionThreshold);
if (activities & ActivityNullBuild)
printResults(ActivityNullBuild, results, regressionThreshold);
}
int main(int argc, char *argv[])
{
QCoreApplication app(argc, argv);
CommandLineParser clParser;
try {
clParser.parse();
} catch (const Exception &e) {
std::cerr << qPrintable(e.description()) << std::endl;
return EXIT_FAILURE;
}
Benchmarker benchmarker(
clParser.activies(),
clParser.oldCommit(),
clParser.newCommit(),
clParser.testProjectFilePath(),
clParser.qbsRepoDirPath(),
clParser.sequential());
try {
benchmarker.benchmark();
printResults(clParser.activies(), benchmarker.results(), clParser.regressionThreshold());
if (hasRegression) {
benchmarker.keepRawData();
std::cout << "Performance regression detected. Raw benchmarking data available "
"under " << qPrintable(benchmarker.rawDataBaseDir()) << '.' << std::endl;
}
} catch (const Exception &e) {
benchmarker.keepRawData();
std::cerr << qPrintable(e.description()) << std::endl;
std::cerr << "Build data available under " << qPrintable(benchmarker.rawDataBaseDir())
<< '.' << std::endl;
return EXIT_FAILURE;
}
}
|
