Absolute File Name: | /home/qt/qt5_coco/qt5/qtbase/src/testlib/qbenchmarkvalgrind.cpp |
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8 | bool QBenchmarkValgrindUtils::haveValgrind() | - | ||||||
9 | { | - | ||||||
10 | - | |||||||
11 | - | |||||||
12 | - | |||||||
13 | QProcess process; | - | ||||||
14 | process.start(QLatin1String("valgrind"), QStringList(QLatin1String("--version"))); | - | ||||||
15 | return never executed: process.waitForStarted() && process.waitForFinished(-1);return process.waitForStarted() && process.waitForFinished(-1); never executed: return process.waitForStarted() && process.waitForFinished(-1); | 0 | ||||||
16 | - | |||||||
17 | } | - | ||||||
18 | - | |||||||
19 | - | |||||||
20 | - | |||||||
21 | bool QBenchmarkValgrindUtils::rerunThroughCallgrind(const QStringList &origAppArgs, int &exitCode) | - | ||||||
22 | { | - | ||||||
23 | if (!QBenchmarkValgrindUtils::runCallgrindSubProcess(origAppArgs, exitCode)
| 0 | ||||||
24 | QMessageLogger(__FILE__, 71, __PRETTY_FUNCTION__).warning("failed to run callgrind subprocess"); | - | ||||||
25 | return never executed: false;return false; never executed: return false; | 0 | ||||||
26 | } | - | ||||||
27 | return never executed: true;return true; never executed: return true; | 0 | ||||||
28 | } | - | ||||||
29 | - | |||||||
30 | static void dumpOutput(const QByteArray &data, FILE *fh) | - | ||||||
31 | { | - | ||||||
32 | QFile file; | - | ||||||
33 | file.open(fh, QIODevice::WriteOnly); | - | ||||||
34 | file.write(data); | - | ||||||
35 | } never executed: end of block | 0 | ||||||
36 | - | |||||||
37 | qint64 QBenchmarkValgrindUtils::extractResult(const QString &fileName) | - | ||||||
38 | { | - | ||||||
39 | QFile file(fileName); | - | ||||||
40 | const bool openOk = file.open(QIODevice::ReadOnly | QIODevice::Text); | - | ||||||
41 | ((!(openOk)) ? qt_assert("openOk",__FILE__,88) : qt_noop()); | - | ||||||
42 | (void)openOk;; | - | ||||||
43 | - | |||||||
44 | qint64 val = -1; | - | ||||||
45 | bool valSeen = false; | - | ||||||
46 | QRegExp rxValue(QLatin1String("^summary: (\\d+)")); | - | ||||||
47 | while (!file.atEnd()
| 0 | ||||||
48 | const QString line(QLatin1String(file.readLine())); | - | ||||||
49 | if (rxValue.indexIn(line) != -1
| 0 | ||||||
50 | ((!(rxValue.captureCount() == 1)) ? qt_assert("rxValue.captureCount() == 1",__FILE__,97) : qt_noop()); | - | ||||||
51 | bool ok; | - | ||||||
52 | val = rxValue.cap(1).toLongLong(&ok); | - | ||||||
53 | ((!(ok)) ? qt_assert("ok",__FILE__,100) : qt_noop()); | - | ||||||
54 | valSeen = true; | - | ||||||
55 | break; never executed: break; | 0 | ||||||
56 | } | - | ||||||
57 | } never executed: end of block | 0 | ||||||
58 | if (__builtin_expect(!!(!valSeen), false)
| 0 | ||||||
59 | QMessageLogger(__FILE__, 106, __PRETTY_FUNCTION__).fatal("Failed to extract result"); never executed: QMessageLogger(__FILE__, 106, __PRETTY_FUNCTION__).fatal("Failed to extract result"); | 0 | ||||||
60 | return never executed: val;return val; never executed: return val; | 0 | ||||||
61 | } | - | ||||||
62 | - | |||||||
63 | - | |||||||
64 | QString QBenchmarkValgrindUtils::getNewestFileName() | - | ||||||
65 | { | - | ||||||
66 | QStringList nameFilters; | - | ||||||
67 | QString base = QBenchmarkGlobalData::current->callgrindOutFileBase; | - | ||||||
68 | ((!(!base.isEmpty())) ? qt_assert("!base.isEmpty()",__FILE__,115) : qt_noop()); | - | ||||||
69 | - | |||||||
70 | nameFilters << QString::fromLatin1("%1.*").arg(base); | - | ||||||
71 | const QFileInfoList fiList = QDir().entryInfoList(nameFilters, QDir::Files | QDir::Readable); | - | ||||||
72 | ((!(!fiList.empty())) ? qt_assert("!fiList.empty()",__FILE__,119) : qt_noop()); | - | ||||||
73 | int hiSuffix = -1; | - | ||||||
74 | QFileInfo lastFileInfo; | - | ||||||
75 | const QString pattern = QString::fromLatin1("%1.(\\d+)").arg(base); | - | ||||||
76 | QRegExp rx(pattern); | - | ||||||
77 | for (const QFileInfo &fileInfo : fiList) { | - | ||||||
78 | const int index = rx.indexIn(fileInfo.fileName()); | - | ||||||
79 | ((!(index == 0)) ? qt_assert("index == 0",__FILE__,126) : qt_noop()); | - | ||||||
80 | (void)index;; | - | ||||||
81 | bool ok; | - | ||||||
82 | const int suffix = rx.cap(1).toInt(&ok); | - | ||||||
83 | ((!(ok)) ? qt_assert("ok",__FILE__,130) : qt_noop()); | - | ||||||
84 | ((!(suffix >= 0)) ? qt_assert("suffix >= 0",__FILE__,131) : qt_noop()); | - | ||||||
85 | if (suffix > hiSuffix
| 0 | ||||||
86 | lastFileInfo = fileInfo; | - | ||||||
87 | hiSuffix = suffix; | - | ||||||
88 | } never executed: end of block | 0 | ||||||
89 | } never executed: end of block | 0 | ||||||
90 | - | |||||||
91 | return never executed: lastFileInfo.fileName();return lastFileInfo.fileName(); never executed: return lastFileInfo.fileName(); | 0 | ||||||
92 | } | - | ||||||
93 | - | |||||||
94 | qint64 QBenchmarkValgrindUtils::extractLastResult() | - | ||||||
95 | { | - | ||||||
96 | return never executed: extractResult(getNewestFileName());return extractResult(getNewestFileName()); never executed: return extractResult(getNewestFileName()); | 0 | ||||||
97 | } | - | ||||||
98 | - | |||||||
99 | void QBenchmarkValgrindUtils::cleanup() | - | ||||||
100 | { | - | ||||||
101 | QStringList nameFilters; | - | ||||||
102 | QString base = QBenchmarkGlobalData::current->callgrindOutFileBase; | - | ||||||
103 | ((!(!base.isEmpty())) ? qt_assert("!base.isEmpty()",__FILE__,150) : qt_noop()); | - | ||||||
104 | nameFilters | - | ||||||
105 | << base | - | ||||||
106 | << QString::fromLatin1("%1.*").arg(base); | - | ||||||
107 | const QFileInfoList fiList = QDir().entryInfoList(nameFilters, QDir::Files | QDir::Readable); | - | ||||||
108 | for (const QFileInfo &fileInfo : fiList) { | - | ||||||
109 | const bool removeOk = QFile::remove(fileInfo.fileName()); | - | ||||||
110 | ((!(removeOk)) ? qt_assert("removeOk",__FILE__,157) : qt_noop()); | - | ||||||
111 | (void)removeOk;; | - | ||||||
112 | } never executed: end of block | 0 | ||||||
113 | } never executed: end of block | 0 | ||||||
114 | - | |||||||
115 | QString QBenchmarkValgrindUtils::outFileBase(qint64 pid) | - | ||||||
116 | { | - | ||||||
117 | return never executed: QString::fromLatin1("callgrind.out.%1").arg(return QString::fromLatin1("callgrind.out.%1").arg( pid != -1 ? pid : QCoreApplication::applicationPid()); never executed: return QString::fromLatin1("callgrind.out.%1").arg( pid != -1 ? pid : QCoreApplication::applicationPid()); | 0 | ||||||
118 | pid != -1 ? pid : QCoreApplication::applicationPid()); never executed: return QString::fromLatin1("callgrind.out.%1").arg( pid != -1 ? pid : QCoreApplication::applicationPid()); | 0 | ||||||
119 | } | - | ||||||
120 | - | |||||||
121 | - | |||||||
122 | - | |||||||
123 | - | |||||||
124 | bool QBenchmarkValgrindUtils::runCallgrindSubProcess(const QStringList &origAppArgs, int &exitCode) | - | ||||||
125 | { | - | ||||||
126 | const QString execFile(origAppArgs.at(0)); | - | ||||||
127 | QStringList args; | - | ||||||
128 | args << QLatin1String("--tool=callgrind") << QLatin1String("--instr-atstart=yes") | - | ||||||
129 | << QLatin1String("--quiet") | - | ||||||
130 | << execFile << QLatin1String("-callgrindchild"); | - | ||||||
131 | - | |||||||
132 | - | |||||||
133 | - | |||||||
134 | for (int i = 1; i < origAppArgs.size()
| 0 | ||||||
135 | const QString arg(origAppArgs.at(i)); | - | ||||||
136 | if (arg == QLatin1String("-callgrind")
| 0 | ||||||
137 | continue; never executed: continue; | 0 | ||||||
138 | args << arg; | - | ||||||
139 | } never executed: end of block | 0 | ||||||
140 | - | |||||||
141 | QProcess process; | - | ||||||
142 | process.start(QLatin1String("valgrind"), args); | - | ||||||
143 | process.waitForStarted(-1); | - | ||||||
144 | QBenchmarkGlobalData::current->callgrindOutFileBase = | - | ||||||
145 | QBenchmarkValgrindUtils::outFileBase(process.pid()); | - | ||||||
146 | const bool finishedOk = process.waitForFinished(-1); | - | ||||||
147 | exitCode = process.exitCode(); | - | ||||||
148 | - | |||||||
149 | dumpOutput(process.readAllStandardOutput(), stdout); | - | ||||||
150 | dumpOutput(process.readAllStandardError(), stderr); | - | ||||||
151 | - | |||||||
152 | return never executed: finishedOk;return finishedOk; never executed: return finishedOk; | 0 | ||||||
153 | } | - | ||||||
154 | - | |||||||
155 | void QBenchmarkCallgrindMeasurer::start() | - | ||||||
156 | { | - | ||||||
157 | {unsigned int _qzz_res; { volatile unsigned long long int _zzq_args[6]; volatile unsigned long long int _zzq_result; _zzq_args[0] = (unsigned long long int)(VG_USERREQ__ZERO_STATS); _zzq_args[1] = (unsigned long long int)(0); _zzq_args[2] = (unsigned long long int)(0); _zzq_args[3] = (unsigned long long int)(0); _zzq_args[4] = (unsigned long long int)(0); _zzq_args[5] = (unsigned long long int)(0); __asm__ volatile("rolq $3, %%rdi ; rolq $13, %%rdi\n\t" "rolq $61, %%rdi ; rolq $51, %%rdi\n\t" "xchgq %%rbx,%%rbx" : "=d" (_zzq_result) : "a" (&_zzq_args[0]), "0" (0) : "cc", "memory" ); _qzz_res = _zzq_result; (void)_qzz_res; }; }; | - | ||||||
158 | } never executed: end of block | 0 | ||||||
159 | - | |||||||
160 | qint64 QBenchmarkCallgrindMeasurer::checkpoint() | - | ||||||
161 | { | - | ||||||
162 | {unsigned int _qzz_res; { volatile unsigned long long int _zzq_args[6]; volatile unsigned long long int _zzq_result; _zzq_args[0] = (unsigned long long int)(VG_USERREQ__DUMP_STATS); _zzq_args[1] = (unsigned long long int)(0); _zzq_args[2] = (unsigned long long int)(0); _zzq_args[3] = (unsigned long long int)(0); _zzq_args[4] = (unsigned long long int)(0); _zzq_args[5] = (unsigned long long int)(0); __asm__ volatile("rolq $3, %%rdi ; rolq $13, %%rdi\n\t" "rolq $61, %%rdi ; rolq $51, %%rdi\n\t" "xchgq %%rbx,%%rbx" : "=d" (_zzq_result) : "a" (&_zzq_args[0]), "0" (0) : "cc", "memory" ); _qzz_res = _zzq_result; (void)_qzz_res; }; }; | - | ||||||
163 | const qint64 result = QBenchmarkValgrindUtils::extractLastResult(); | - | ||||||
164 | return never executed: result;return result; never executed: return result; | 0 | ||||||
165 | } | - | ||||||
166 | - | |||||||
167 | qint64 QBenchmarkCallgrindMeasurer::stop() | - | ||||||
168 | { | - | ||||||
169 | return never executed: checkpoint();return checkpoint(); never executed: return checkpoint(); | 0 | ||||||
170 | } | - | ||||||
171 | - | |||||||
172 | bool QBenchmarkCallgrindMeasurer::isMeasurementAccepted(qint64 measurement) | - | ||||||
173 | { | - | ||||||
174 | (void)measurement;; | - | ||||||
175 | return never executed: true;return true; never executed: return true; | 0 | ||||||
176 | } | - | ||||||
177 | - | |||||||
178 | int QBenchmarkCallgrindMeasurer::adjustIterationCount(int) | - | ||||||
179 | { | - | ||||||
180 | return never executed: 1;return 1; never executed: return 1; | 0 | ||||||
181 | } | - | ||||||
182 | - | |||||||
183 | int QBenchmarkCallgrindMeasurer::adjustMedianCount(int) | - | ||||||
184 | { | - | ||||||
185 | return never executed: 1;return 1; never executed: return 1; | 0 | ||||||
186 | } | - | ||||||
187 | - | |||||||
188 | bool QBenchmarkCallgrindMeasurer::needsWarmupIteration() | - | ||||||
189 | { | - | ||||||
190 | return never executed: true;return true; never executed: return true; | 0 | ||||||
191 | } | - | ||||||
192 | - | |||||||
193 | QTest::QBenchmarkMetric QBenchmarkCallgrindMeasurer::metricType() | - | ||||||
194 | { | - | ||||||
195 | return never executed: QTest::InstructionReads;return QTest::InstructionReads; never executed: return QTest::InstructionReads; | 0 | ||||||
196 | } | - | ||||||
197 | - | |||||||
198 | - | |||||||
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