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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
|
// Copyright (C) 2019 Klarälvdalens Datakonsult AB, a KDAB Group company,
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "ctfvisualizertool.h"
#include "ctftracemanager.h"
#include "ctfstatisticsmodel.h"
#include "ctfstatisticsview.h"
#include "ctftimelinemodel.h"
#include "ctfvisualizertr.h"
#include "ctfvisualizertraceview.h"
#include <coreplugin/actionmanager/actioncontainer.h>
#include <coreplugin/actionmanager/actionmanager.h>
#include <coreplugin/icore.h>
#include <coreplugin/progressmanager/taskprogress.h>
#include <debugger/analyzer/analyzerconstants.h>
#include <utils/async.h>
#include <utils/stylehelper.h>
#include <utils/utilsicons.h>
#include <QFileDialog>
#include <QMenu>
#include <QMessageBox>
#include <fstream>
using namespace Core;
using namespace CtfVisualizer::Constants;
using namespace Utils;
namespace CtfVisualizer::Internal {
using json = nlohmann::json;
CtfVisualizerTool::CtfVisualizerTool()
: m_modelAggregator(new Timeline::TimelineModelAggregator(this))
, m_zoomControl(new Timeline::TimelineZoomControl(this))
, m_statisticsModel(new CtfStatisticsModel(this))
, m_traceManager(new CtfTraceManager(this, m_modelAggregator.get(), m_statisticsModel.get()))
, m_restrictToThreadsButton(new QToolButton)
, m_restrictToThreadsMenu(new QMenu(m_restrictToThreadsButton))
{
ActionContainer *menu = ActionManager::actionContainer(Debugger::Constants::M_DEBUG_ANALYZER);
ActionContainer *options = ActionManager::createMenu(Constants::CtfVisualizerMenuId);
options->menu()->setTitle(Tr::tr("Chrome Trace Format Viewer"));
menu->addMenu(options, Debugger::Constants::G_ANALYZER_REMOTE_TOOLS);
options->menu()->setEnabled(true);
const Core::Context globalContext(Core::Constants::C_GLOBAL);
m_loadJson.reset(new QAction(Tr::tr("Load JSON File"), options));
Core::Command *command = Core::ActionManager::registerAction(m_loadJson.get(), Constants::CtfVisualizerTaskLoadJson,
globalContext);
connect(m_loadJson.get(), &QAction::triggered, this, [this] {
QString filename = m_loadJson->data().toString();
if (filename.isEmpty())
filename = QFileDialog::getOpenFileName(ICore::dialogParent(),
Tr::tr("Load Chrome Trace Format File"),
"",
Tr::tr("JSON File (*.json)"));
loadJson(filename);
});
options->addAction(command);
m_perspective.setAboutToActivateCallback([this] { createViews(); });
m_restrictToThreadsButton->setIcon(Icons::FILTER.icon());
m_restrictToThreadsButton->setToolTip(Tr::tr("Restrict to Threads"));
m_restrictToThreadsButton->setPopupMode(QToolButton::InstantPopup);
m_restrictToThreadsButton->setProperty(StyleHelper::C_NO_ARROW, true);
m_restrictToThreadsButton->setMenu(m_restrictToThreadsMenu);
connect(m_restrictToThreadsMenu, &QMenu::triggered,
this, &CtfVisualizerTool::toggleThreadRestriction);
m_perspective.addToolBarWidget(m_restrictToThreadsButton);
}
CtfVisualizerTool::~CtfVisualizerTool() = default;
void CtfVisualizerTool::createViews()
{
m_traceView = new CtfVisualizerTraceView(nullptr, this);
m_traceView->setWindowTitle(Tr::tr("Timeline"));
QMenu *contextMenu = new QMenu(m_traceView);
contextMenu->addAction(m_loadJson.get());
connect(contextMenu->addAction(Tr::tr("Reset Zoom")), &QAction::triggered, this, [this] {
m_zoomControl->setRange(m_zoomControl->traceStart(), m_zoomControl->traceEnd());
});
m_traceView->setContextMenuPolicy(Qt::CustomContextMenu);
connect(m_traceView, &QWidget::customContextMenuRequested,
contextMenu, [contextMenu, this](const QPoint &pos) {
contextMenu->exec(m_traceView->mapToGlobal(pos));
});
m_perspective.addWindow(m_traceView, Perspective::OperationType::SplitVertical, nullptr);
m_statisticsView = new CtfStatisticsView(m_statisticsModel.get());
m_statisticsView->setWindowTitle(Tr::tr("Statistics"));
connect(m_statisticsView, &CtfStatisticsView::eventTypeSelected, this, [this](QString title) {
int typeId = m_traceManager->getSelectionId(title.toStdString());
m_traceView->selectByTypeId(typeId);
});
connect(m_traceManager.get(), &CtfTraceManager::detailsRequested, m_statisticsView,
&CtfStatisticsView::selectByTitle);
m_perspective.addWindow(m_statisticsView, Perspective::AddToTab, m_traceView);
m_perspective.setAboutToActivateCallback(Perspective::Callback());
}
void CtfVisualizerTool::setAvailableThreads(const QList<CtfTimelineModel *> &threads)
{
m_restrictToThreadsMenu->clear();
for (auto timelineModel : threads) {
QAction *action = m_restrictToThreadsMenu->addAction(timelineModel->displayName());
action->setCheckable(true);
action->setData(timelineModel->tid());
action->setChecked(m_traceManager->isRestrictedTo(timelineModel->tid()));
}
}
void CtfVisualizerTool::toggleThreadRestriction(QAction *action)
{
const QString tid = action->data().toString();
m_traceManager->setThreadRestriction(tid, action->isChecked());
}
Timeline::TimelineModelAggregator *CtfVisualizerTool::modelAggregator() const
{
return m_modelAggregator.get();
}
CtfTraceManager *CtfVisualizerTool::traceManager() const
{
return m_traceManager.get();
}
Timeline::TimelineZoomControl *CtfVisualizerTool::zoomControl() const
{
return m_zoomControl.get();
}
class CtfJsonParserFunctor
{
public:
CtfJsonParserFunctor(QPromise<json> &promise)
: m_promise(promise) {}
bool operator()(int depth, json::parse_event_t event, json &parsed)
{
if ((event == json::parse_event_t::array_start && depth == 0)
|| (event == json::parse_event_t::key && depth == 1 && parsed == json(CtfTraceEventsKey))) {
m_isInTraceArray = true;
m_traceArrayDepth = depth;
return true;
}
if (m_isInTraceArray && event == json::parse_event_t::array_end && depth == m_traceArrayDepth) {
m_isInTraceArray = false;
return false;
}
if (m_isInTraceArray && event == json::parse_event_t::object_end && depth == m_traceArrayDepth + 1) {
m_promise.addResult(parsed);
return false;
}
if (m_isInTraceArray || (event == json::parse_event_t::object_start && depth == 0)) {
// keep outer object and values in trace objects:
return true;
}
// discard any objects outside of trace array:
// TODO: parse other data, e.g. stack frames
return false;
}
protected:
QPromise<json> &m_promise;
bool m_isInTraceArray = false;
int m_traceArrayDepth = 0;
};
static void load(QPromise<json> &promise, const QString &fileName)
{
std::ifstream file(fileName.toStdString());
if (!file.is_open()) {
promise.future().cancel();
return;
}
CtfJsonParserFunctor functor(promise);
json::parser_callback_t callback = [&functor](int depth, json::parse_event_t event, json &parsed) {
return functor(depth, event, parsed);
};
try {
json unusedValues = json::parse(file, callback, /*allow_exceptions*/ false);
} catch (...) {
// nlohmann::json can throw exceptions when requesting type that is wrong
}
file.close();
}
void CtfVisualizerTool::loadJson(const QString &fileName)
{
using namespace Tasking;
if (m_loader || fileName.isEmpty())
return;
const auto onSetup = [this, fileName](Async<json> &async) {
m_traceManager->clearAll();
async.setConcurrentCallData(load, fileName);
connect(&async, &AsyncBase::resultReadyAt, this, [this, asyncPtr = &async](int index) {
m_traceManager->addEvent(asyncPtr->resultAt(index));
});
};
const auto onDone = [this] {
m_traceManager->updateStatistics();
if (m_traceManager->isEmpty()) {
QMessageBox::warning(Core::ICore::dialogParent(),
Tr::tr("CTF Visualizer"),
Tr::tr("The file does not contain any trace data."));
} else if (!m_traceManager->errorString().isEmpty()) {
QMessageBox::warning(Core::ICore::dialogParent(),
Tr::tr("CTF Visualizer"),
m_traceManager->errorString());
} else {
m_traceManager->finalize();
m_perspective.select();
zoomControl()->setTrace(m_traceManager->traceBegin(), m_traceManager->traceEnd() + m_traceManager->traceDuration() / 20);
zoomControl()->setRange(m_traceManager->traceBegin(), m_traceManager->traceEnd() + m_traceManager->traceDuration() / 20);
}
setAvailableThreads(m_traceManager->getSortedThreads());
m_loader.release()->deleteLater();
};
const auto onError = [this] {
QMessageBox::warning(Core::ICore::dialogParent(),
Tr::tr("CTF Visualizer"),
Tr::tr("Cannot read the CTF file."));
m_loader.release()->deleteLater();
};
const Group recipe { AsyncTask<json>(onSetup) };
m_loader.reset(new TaskTree(recipe));
connect(m_loader.get(), &TaskTree::done, this, onDone);
connect(m_loader.get(), &TaskTree::errorOccurred, this, onError);
auto progress = new TaskProgress(m_loader.get());
progress->setDisplayName(Tr::tr("Loading CTF File"));
m_loader->start();
}
} // namespace CtfVisualizer::Internal
|
