MailJDTourDownloadDocsQualityTestsCoverage

Which source lines and branches the tests execute. Lines 91.5 %, branches 75.0 % (minimum 85 % and 72 %). main @ 399ffe3d · 21 October 2026 · pipeline 7238.

GCC Code Coverage Report

Directory: src/
Coverage: low: ≥ 0% medium: ≥ 75.0% high: ≥ 90.0%
Coverage Exec / Excl / Total
Lines: 96.2% 176 / 0 / 183
Functions: 95.0% 19 / 0 / 20
Branches: 82.5% 184 / 0 / 223
performance/StartupPerformanceTracker.cpp
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1 #include "performance/StartupPerformanceTracker.h"
2
3 #include <QApplication>
4 #include <QEvent>
5 #include <QTimer>
6 #include <QWidget>
7
8 #include <algorithm>
9
10 namespace MailJD::Performance {
11
12 namespace {
13
14 constexpr auto WindowVisibleMetric = "startup.process_to_window_visible.v1";
15 constexpr auto InputReadyMetric = "startup.process_to_input_ready.v1";
16 constexpr auto CachedMailboxMetric = "startup.process_to_cached_mailbox.v1";
17 constexpr auto OnlineReadyMetric = "startup.process_to_online_ready.v1";
18 constexpr auto MainThreadStallMetric = "startup.main_thread_stall_max.v1";
19
20 } // namespace
21
22 3281 StartupPerformanceTracker &StartupPerformanceTracker::instance() {
23
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 3281 static StartupPerformanceTracker tracker;
24 3281 return tracker;
25 }
26
27 32 StartupPerformanceTracker::StartupPerformanceTracker(QObject *parent)
28
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 32 : QObject(parent), m_stallTimer(new QTimer(this)),
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 64 m_stallDeadline(new QTimer(this)) {
30
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 32 m_stallTimer->setTimerType(Qt::PreciseTimer);
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 32 m_stallDeadline->setSingleShot(true);
32
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 32 connect(m_stallTimer, &QTimer::timeout, this, [this]() {
33 ✗ const qint64 now = PerformanceTrace::monotonicNowNs();
34 ✗ const qint64 expected =
35 ✗ m_previousHeartbeatNs +
36 ✗ static_cast<qint64>(m_heartbeatIntervalMs) * 1000000;
37 ✗ m_maxStallNs = std::max<qint64>(0, std::max(m_maxStallNs, now - expected));
38 ✗ m_previousHeartbeatNs = now;
39 ✗ });
40 32 connect(m_stallDeadline, &QTimer::timeout, this,
41
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 32 &StartupPerformanceTracker::finishStallObservation);
42 32 }
43
44 9 void StartupPerformanceTracker::resetOperations() {
45 9 m_windowVisible = {};
46 9 m_inputReady = {};
47 9 m_cachedMailbox = {};
48 9 m_onlineReady = {};
49 9 }
50
51 9 void StartupPerformanceTracker::configure(qint64 processStartNs,
52 int stallObservationMs) {
53
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 9 if (qApp)
54 9 qApp->removeEventFilter(this);
55 9 m_stallTimer->stop();
56 9 m_stallDeadline->stop();
57 9 resetOperations();
58
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 9 m_scenario = PerformanceTrace::instance().selectedScenario();
59 9 m_processStartNs = processStartNs;
60 9 m_window = nullptr;
61 9 m_mailboxViewport = nullptr;
62 9 m_firstPaint = false;
63 9 m_inputPending = false;
64 9 m_cachedPending = false;
65 9 m_onlinePending = false;
66 9 m_accountClassified = false;
67 9 m_cachedFolderId = -1;
68 9 m_onlineFolderId = -1;
69 9 m_cachedRows = -1;
70 9 m_onlineRows = -1;
71 9 m_authenticationStartNs = 0;
72 9 m_folderListStartNs = 0;
73 9 m_authoritativeStartNs = 0;
74 9 m_maxStallNs = 0;
75
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 9 if (!isActive())
76 1 return;
77
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 16 m_windowVisible = PerformanceTrace::instance().startMetric(
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 16 m_scenario, QString::fromLatin1(WindowVisibleMetric), processStartNs);
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 16 m_inputReady = PerformanceTrace::instance().startMetric(
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 16 m_scenario, QString::fromLatin1(InputReadyMetric), processStartNs);
82 8 m_previousHeartbeatNs = PerformanceTrace::monotonicNowNs();
83 8 m_stallTimer->setInterval(m_heartbeatIntervalMs);
84 8 m_stallTimer->start();
85
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 8 m_stallDeadline->start(std::max(1, stallObservationMs));
86
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 8 if (qApp)
87 8 qApp->installEventFilter(this);
88 }
89
90 3421 bool StartupPerformanceTracker::isActive() const {
91
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 3539 return PerformanceTrace::instance().isEnabled() &&
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 3657 m_scenario.startsWith(QStringLiteral("START."));
93 }
94
95 6 void StartupPerformanceTracker::watchWindow(QWidget *window,
96 QWidget *mailboxViewport) {
97
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 6 if (!isActive())
98 1 return;
99 5 m_window = window;
100 5 m_mailboxViewport = mailboxViewport;
101 }
102
103 2418 void StartupPerformanceTracker::recordPhase(const QString &phase,
104 qint64 startNs, qint64 endNs) {
105
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 2418 if (!isActive() || endNs < startNs)
106 2410 return;
107 8 PerformanceTrace::instance().markProcessEvent(m_scenario, phase, endNs,
108 endNs - startNs);
109 }
110
111 858 void StartupPerformanceTracker::markConfiguredAccount() {
112
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 858 if (!isActive() || m_accountClassified)
113 854 return;
114 4 m_accountClassified = true;
115
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 8 m_cachedMailbox = PerformanceTrace::instance().startMetric(
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 8 m_scenario, QString::fromLatin1(CachedMailboxMetric), m_processStartNs);
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 15 if (!m_scenario.contains(QStringLiteral(".offline_")) &&
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 10 !m_scenario.contains(QStringLiteral(".offline."))) {
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 4 m_onlineReady = PerformanceTrace::instance().startMetric(
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 4 m_scenario, QString::fromLatin1(OnlineReadyMetric), m_processStartNs);
121 } else {
122 2 PerformanceTrace::instance().markProcessEvent(
123
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 4 m_scenario, QString::fromLatin1(OnlineReadyMetric) +
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 6 QStringLiteral(".inapplicable"));
125 }
126 }
127
128 19 void StartupPerformanceTracker::markNoAccount() {
129
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 19 if (!isActive() || m_accountClassified)
130 17 return;
131 2 m_accountClassified = true;
132 2 PerformanceTrace::instance().markProcessEvent(
133
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 4 m_scenario, QString::fromLatin1(CachedMailboxMetric) +
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 6 QStringLiteral(".inapplicable"));
135 2 PerformanceTrace::instance().markProcessEvent(
136
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 2 m_scenario,
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 4 QString::fromLatin1(OnlineReadyMetric) + QStringLiteral(".inapplicable"));
138 }
139
140 16 void StartupPerformanceTracker::markAuthenticationStarted() {
141
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 16 if (isActive())
142 2 m_authenticationStartNs = PerformanceTrace::monotonicNowNs();
143 16 }
144
145 5 void StartupPerformanceTracker::markAuthenticationReady() {
146
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 5 if (!isActive())
147 1 return;
148 4 const qint64 now = PerformanceTrace::monotonicNowNs();
149
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 4 if (m_authenticationStartNs > 0)
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 4 recordPhase(QStringLiteral("authentication"), m_authenticationStartNs, now);
151 4 m_folderListStartNs = now;
152 }
153
154 3 void StartupPerformanceTracker::markFolderListReady() {
155
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 3 if (!isActive())
156 1 return;
157 2 const qint64 now = PerformanceTrace::monotonicNowNs();
158
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 2 if (m_folderListStartNs > 0)
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 4 recordPhase(QStringLiteral("folder_list"), m_folderListStartNs, now);
160 }
161
162 7 void StartupPerformanceTracker::expectCachedMailbox(qint64 folderId,
163 int rowCount) {
164
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 7 if (!m_cachedMailbox.isValid() || folderId <= 0 || rowCount < 0)
165 5 return;
166 2 m_cachedFolderId = folderId;
167 2 m_cachedRows = rowCount;
168 2 m_cachedPending = true;
169
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 2 if (m_authoritativeStartNs == 0)
170 2 m_authoritativeStartNs = PerformanceTrace::monotonicNowNs();
171
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 2 if (m_mailboxViewport)
172 2 m_mailboxViewport->update();
173 }
174
175 6 void StartupPerformanceTracker::expectAuthoritativeMailbox(qint64 folderId,
176 int rowCount) {
177
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 6 if (!m_onlineReady.isValid() || folderId <= 0 || rowCount < 0)
178 3 return;
179 3 m_onlineFolderId = folderId;
180 3 m_onlineRows = rowCount;
181 3 m_onlinePending = true;
182 3 const qint64 now = PerformanceTrace::monotonicNowNs();
183
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 3 if (m_authoritativeStartNs > 0) {
184
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 4 recordPhase(QStringLiteral("authoritative_sync_push"),
185 m_authoritativeStartNs, now);
186 2 m_authoritativeStartNs = 0;
187 }
188
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 3 if (m_mailboxViewport)
189 3 m_mailboxViewport->update();
190 }
191
192 9 void StartupPerformanceTracker::inputProbeAcknowledged() {
193
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 9 if (!m_inputReady.isValid())
194 3 return;
195 6 m_inputPending = true;
196 6 finishInputIfReady();
197 }
198
199 10 void StartupPerformanceTracker::finishInputIfReady() {
200
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 10 if (m_firstPaint && m_inputPending && m_inputReady.isValid()) {
201 4 m_inputReady.finish(Outcome::Success);
202 4 m_inputReady = {};
203 4 m_inputPending = false;
204 }
205 10 }
206
207 4 void StartupPerformanceTracker::finishStallObservation() {
208 // S106-217: the heartbeat stops even when the trace ended before the
209 // observation deadline — it used to keep waking the GUI thread for the
210 // rest of the session.
211 4 m_stallTimer->stop();
212
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 4 if (!isActive())
213 1 return;
214 3 PerformanceTrace::instance().markProcessEvent(
215
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 3 m_scenario, QString::fromLatin1(MainThreadStallMetric),
216 PerformanceTrace::monotonicNowNs(), m_maxStallNs);
217 }
218
219 35 bool StartupPerformanceTracker::belongsToWindow(QObject *object) const {
220 // Window-owned QAction/QShortcut objects receive shortcut events instead
221 // of a widget KeyPress when the shortcut map consumes the key.
222
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 49 while (object && m_window) {
223
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 45 if (object == m_window)
224 31 return true;
225 14 object = object->parent();
226 }
227 4 return false;
228 }
229
230 82 bool StartupPerformanceTracker::eventFilter(QObject *watched, QEvent *event) {
231
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 82 if (!isActive() || !m_window)
232 35 return QObject::eventFilter(watched, event);
233
234 47 auto *paintedWidget = qobject_cast<QWidget *>(watched);
235
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 65 if (paintedWidget && paintedWidget->isWindow() && belongsToWindow(watched) &&
236
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 112 event->type() == QEvent::Paint && !m_firstPaint) {
237 4 m_firstPaint = true;
238
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 4 if (m_windowVisible.isValid()) {
239 4 m_windowVisible.finish(Outcome::Success);
240 4 m_windowVisible = {};
241 }
242 4 finishInputIfReady();
243 }
244
245
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 47 if (watched == m_mailboxViewport && event->type() == QEvent::Paint) {
246
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 3 if (m_cachedPending && m_cachedMailbox.isValid()) {
247 2 m_cachedMailbox.finish(Outcome::Success, m_cachedRows);
248 2 m_cachedMailbox = {};
249 2 m_cachedPending = false;
250 }
251
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 3 if (m_onlinePending && m_onlineReady.isValid() &&
252
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 6 m_onlineFolderId == m_cachedFolderId && m_onlineRows >= 0) {
253 2 m_onlineReady.finish(Outcome::Success, m_onlineRows);
254 2 m_onlineReady = {};
255 2 m_onlinePending = false;
256 }
257 }
258
259
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 133 if ((event->type() == QEvent::KeyPress || event->type() == QEvent::Shortcut ||
260
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 136 event->type() == QEvent::MouseButtonPress) &&
261 7 belongsToWindow(watched)) {
262 6 inputProbeAcknowledged();
263 }
264 47 return QObject::eventFilter(watched, event);
265 }
266
267 } // namespace MailJD::Performance
268