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: 95.8% 248 / 0 / 259
Functions: 97.7% 42 / 0 / 43
Branches: 83.1% 246 / 0 / 296
performance/MailOpenPerformanceTracker.cpp
Line Branch Exec Source
1 #include "performance/MailOpenPerformanceTracker.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 BodyPaintedMetric = "mail_open.input_to_body_painted.v1";
15 constexpr auto EventLoopStallMetric = "mail_open.event_loop_stall_max.v1";
16
17 } // namespace
18
19 13733 MailOpenPerformanceTracker &MailOpenPerformanceTracker::instance() {
20
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 13733 static MailOpenPerformanceTracker tracker;
21 13733 return tracker;
22 }
23
24 21 MailOpenPerformanceTracker::MailOpenPerformanceTracker(QObject *parent)
25
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 21 : QObject(parent), m_stallTimer(new QTimer(this)) {
26
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 21 m_stallTimer->setTimerType(Qt::PreciseTimer);
27
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 21 m_stallTimer->setInterval(HeartbeatIntervalMs);
28
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 21 connect(m_stallTimer, &QTimer::timeout, this, [this]() {
29 ✗ const qint64 now = PerformanceTrace::monotonicNowNs();
30 ✗ const qint64 expected =
31 ✗ m_previousHeartbeatNs +
32 static_cast<qint64>(HeartbeatIntervalMs) * 1000000;
33 ✗ m_maxStallNs = std::max<qint64>(m_maxStallNs, now - expected);
34 ✗ m_previousHeartbeatNs = now;
35 ✗ });
36 21 }
37
38 32 void MailOpenPerformanceTracker::ensureEventFilterInstalled() {
39
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 32 if (!m_eventFilterInstalled && qApp) {
40 1 qApp->installEventFilter(this);
41 1 m_eventFilterInstalled = true;
42 }
43 32 }
44
45 1239 bool MailOpenPerformanceTracker::isActive() const {
46
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 1307 return PerformanceTrace::instance().isEnabled() &&
47
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 1307 PerformanceTrace::instance().selectedScenario().startsWith(
48
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 2512 QStringLiteral("MAIL_OPEN."));
49 }
50
51 1731 Operation MailOpenPerformanceTracker::operationFor(const MailId &mailId) const {
52
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 1731 return matches(mailId) ? m_operation : Operation{};
53 }
54
55 6 void MailOpenPerformanceTracker::watchPlainViewport(QWidget *viewport) {
56 6 m_plainViewport = viewport;
57
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 6 if (isActive())
58 5 ensureEventFilterInstalled();
59 6 }
60
61 4 void MailOpenPerformanceTracker::watchWebView(QWidget *webView) {
62 4 m_webView = webView;
63
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 4 if (isActive())
64 3 ensureEventFilterInstalled();
65 4 }
66
67 48 void MailOpenPerformanceTracker::reset() {
68 48 m_stallTimer->stop();
69 48 m_operation = {};
70 48 m_mailId = {};
71 48 m_renderEligible = false;
72 48 m_renderInProgress = false;
73 48 m_waitingForPlainPaint = false;
74 48 m_waitingForHtmlPaint = false;
75 48 m_quickRevision = 0;
76 48 m_bodyBytes = 0;
77 48 m_attachmentCount = 0;
78 48 m_inlineImageCount = 0;
79 48 m_maxStallNs = 0;
80 48 }
81
82 13493 bool MailOpenPerformanceTracker::matches(const MailId &mailId) const {
83
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 13493 return m_operation.isValid() && mailId == m_mailId;
84 }
85
86 32 bool MailOpenPerformanceTracker::matchesUi(qint64 folderId, qint64 uid) const {
87
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 59 return m_operation.isValid() && m_renderInProgress &&
88
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 59 m_mailId.folderId == folderId && m_mailId.uid == uid;
89 }
90
91 77 void MailOpenPerformanceTracker::startPhase(const QString &phase) {
92
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 77 if (m_operation.isValid())
93 77 m_operation.startPhase(phase);
94 77 }
95
96 77 void MailOpenPerformanceTracker::endPhase(const QString &phase) {
97
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 77 if (m_operation.isValid())
98 77 m_operation.endPhase(phase);
99 77 }
100
101 1226 void MailOpenPerformanceTracker::beginSelection(const MailId &mailId) {
102
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 1226 if (!isActive() || !mailId.isValid())
103 1202 return;
104 24 ensureEventFilterInstalled();
105
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 24 if (m_operation.isValid())
106 2 finish(Outcome::Cancelled);
107 24 reset();
108
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 24 m_scenario = PerformanceTrace::instance().selectedScenario();
109 24 m_mailId = mailId;
110
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 48 m_operation = PerformanceTrace::instance().startMetric(
111
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 48 m_scenario, QString::fromLatin1(BodyPaintedMetric));
112
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 24 startPhase(QStringLiteral("selection"));
113 24 m_previousHeartbeatNs = PerformanceTrace::monotonicNowNs();
114 24 m_stallTimer->start();
115 }
116
117 761 void MailOpenPerformanceTracker::selectionLookupFinished(const MailId &mailId,
118 bool found) {
119
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 761 if (!matches(mailId))
120 747 return;
121
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 14 endPhase(QStringLiteral("selection"));
122
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 14 if (!found)
123 1 finish(Outcome::Failed);
124 }
125
126 1229 void MailOpenPerformanceTracker::cacheReadStarted(const MailId &mailId) {
127
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 1229 if (matches(mailId))
128
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 11 startPhase(QStringLiteral("cache_read"));
129 1229 }
130
131 345 void MailOpenPerformanceTracker::sqlQueued(const MailId &mailId) {
132
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 345 if (matches(mailId))
133
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 1 startPhase(QStringLiteral("sql_queue"));
134 345 }
135
136 1130 void MailOpenPerformanceTracker::sqlDispatched(const MailId &mailId) {
137
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 1130 if (matches(mailId))
138
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 1 endPhase(QStringLiteral("sql_queue"));
139 1130 }
140
141 807 void MailOpenPerformanceTracker::snapshotHandoff(const MailId &mailId) {
142
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 807 if (matches(mailId))
143
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 2 m_operation.mark(QStringLiteral("snapshot_handoff"));
144 807 }
145
146 21 bool MailOpenPerformanceTracker::selectedCacheStateMatches(
147 bool hit, bool prefetchHit) const {
148
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 42 if (m_scenario.contains(QStringLiteral(".prefetch-hit.")))
149
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 1 return hit && prefetchHit;
150
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 40 if (m_scenario.contains(QStringLiteral(".body-hit.")))
151
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 18 return hit && !prefetchHit;
152
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 4 if (m_scenario.contains(QStringLiteral(".body-miss.")))
153 2 return !hit;
154 ✗ return true;
155 }
156
157 768 void MailOpenPerformanceTracker::cacheReadFinished(const MailId &mailId,
158 bool hit,
159 bool prefetchHit) {
160
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 768 if (!matches(mailId))
161 747 return;
162
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 21 endPhase(QStringLiteral("cache_read"));
163
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 21 if (!selectedCacheStateMatches(hit, prefetchHit)) {
164 4 finish(Outcome::Failed);
165 4 return;
166 }
167 17 m_renderEligible = hit;
168 }
169
170 5 void MailOpenPerformanceTracker::dispatchQueued(const MailId &mailId) {
171
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 5 if (matches(mailId))
172
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 1 startPhase(QStringLiteral("dispatch_wait"));
173 5 }
174
175 3 void MailOpenPerformanceTracker::transportStarted(const MailId &mailId) {
176
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 3 if (!matches(mailId))
177 2 return;
178
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 1 endPhase(QStringLiteral("dispatch_wait"));
179
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 1 startPhase(QStringLiteral("select"));
180 }
181
182 4 void MailOpenPerformanceTracker::transportSelectionFinished(
183 const MailId &mailId, bool success) {
184
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 4 if (!matches(mailId))
185 3 return;
186
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 1 endPhase(QStringLiteral("select"));
187
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 1 if (!success) {
188 ✗ finish(Outcome::Failed);
189 ✗ return;
190 }
191
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 1 startPhase(QStringLiteral("fetch_transfer"));
192 }
193
194 30 void MailOpenPerformanceTracker::transportFinished(const MailId &mailId,
195 bool success,
196 qint64 byteCount) {
197
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 30 if (!matches(mailId))
198 29 return;
199
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 1 endPhase(QStringLiteral("fetch_transfer"));
200 1 m_bodyBytes = std::max<qint64>(0, byteCount);
201
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 1 if (!success)
202 ✗ finish(Outcome::Failed);
203 }
204
205 19 void MailOpenPerformanceTracker::mimeParseStarted(const MailId &mailId) {
206
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 19 if (matches(mailId))
207
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 1 startPhase(QStringLiteral("mime_parse"));
208 19 }
209
210 18 void MailOpenPerformanceTracker::mimeParseFinished(const MailId &mailId) {
211
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 18 if (matches(mailId))
212
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 1 endPhase(QStringLiteral("mime_parse"));
213 18 }
214
215 15 void MailOpenPerformanceTracker::storeIndexStarted(const MailId &mailId) {
216
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 15 if (matches(mailId))
217
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 1 startPhase(QStringLiteral("store_index"));
218 15 }
219
220 12 void MailOpenPerformanceTracker::storeIndexFinished(const MailId &mailId,
221 int attachmentCount,
222 int inlineImageCount) {
223
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 12 if (!matches(mailId))
224 11 return;
225
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 1 endPhase(QStringLiteral("store_index"));
226 1 m_attachmentCount = std::max(0, attachmentCount);
227 1 m_inlineImageCount = std::max(0, inlineImageCount);
228 1 m_renderEligible = true;
229 }
230
231 18 bool MailOpenPerformanceTracker::renderStarted(qint64 folderId, qint64 uid,
232 bool html, qint64 bodyBytes,
233 int attachmentCount,
234 int inlineImageCount) {
235
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 35 if (!m_operation.isValid() || !m_renderEligible ||
236
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 35 m_mailId.folderId != folderId || m_mailId.uid != uid)
237 2 return false;
238
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 56 const bool scenarioHtml = m_scenario.contains(QStringLiteral("html")) ||
239
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 32 m_scenario.contains(QStringLiteral("inline_images"));
240
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 16 if (scenarioHtml != html) {
241 1 finish(Outcome::Failed);
242 1 return false;
243 }
244 15 m_bodyBytes = std::max(m_bodyBytes, std::max<qint64>(0, bodyBytes));
245 15 m_attachmentCount = std::max(0, attachmentCount);
246 15 m_inlineImageCount = std::max(0, inlineImageCount);
247
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 15 if (html)
248
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 7 startPhase(QStringLiteral("inline_prepare"));
249 else
250
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 8 startPhase(QStringLiteral("render"));
251 15 m_renderInProgress = true;
252 15 return true;
253 }
254
255 5 void MailOpenPerformanceTracker::inlinePreparationFinished(qint64 folderId,
256 qint64 uid) {
257
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 5 if (matchesUi(folderId, uid))
258
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 3 endPhase(QStringLiteral("inline_prepare"));
259 5 }
260
261 5 void MailOpenPerformanceTracker::sanitizerStarted(qint64 folderId,
262 qint64 uid) {
263
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 5 if (matchesUi(folderId, uid))
264
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 3 startPhase(QStringLiteral("sanitize"));
265 5 }
266
267 6 void MailOpenPerformanceTracker::sanitizerFinished(qint64 folderId, qint64 uid,
268 bool currentGeneration) {
269
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 6 if (!matchesUi(folderId, uid))
270 2 return;
271
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 4 endPhase(QStringLiteral("sanitize"));
272
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 4 if (!currentGeneration) {
273 1 finish(Outcome::Cancelled);
274 1 return;
275 }
276
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 3 startPhase(QStringLiteral("webengine_load"));
277 }
278
279 8 void MailOpenPerformanceTracker::plainCommitted(qint64 folderId, qint64 uid) {
280
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 8 if (!matchesUi(folderId, uid))
281 2 return;
282
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 6 endPhase(QStringLiteral("render"));
283
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 6 startPhase(QStringLiteral("paint"));
284 6 m_waitingForPlainPaint = true;
285
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 6 if (m_plainViewport)
286 6 m_plainViewport->update();
287 }
288
289 789 void MailOpenPerformanceTracker::quickDocumentCommitted(const MailId &mailId, quint64 revision) {
290
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 789 if (!matches(mailId) || !m_renderEligible || revision == 0 || m_quickRevision == revision) return;
291 // The native text render tail ends here (no-op for the HTML tail whose
292 // phases are owned by the Quick HTML reader).
293
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 5 endPhase(QStringLiteral("render"));
294
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 6 if (m_quickRevision) endPhase(QStringLiteral("quick_frame"));
295 5 m_quickRevision = revision;
296
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 5 startPhase(QStringLiteral("quick_frame"));
297 }
298
299 5698 void MailOpenPerformanceTracker::quickFramePresented(const MailId &mailId, quint64 revision) {
300
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 5698 if (!matches(mailId) || !m_quickRevision || revision != m_quickRevision) return;
301
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 4 endPhase(QStringLiteral("quick_frame"));
302 4 finish(Outcome::Success);
303 }
304
305 8 void MailOpenPerformanceTracker::webEngineLoadFinished(
306 qint64 folderId, qint64 uid, bool success, bool currentGeneration) {
307
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 8 if (!matchesUi(folderId, uid))
308 2 return;
309
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 6 endPhase(QStringLiteral("webengine_load"));
310
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 6 if (!success || !currentGeneration) {
311
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 2 finish(currentGeneration ? Outcome::Failed : Outcome::Cancelled);
312 2 return;
313 }
314
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 4 startPhase(QStringLiteral("paint"));
315 4 m_waitingForHtmlPaint = true;
316
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 4 if (m_webView)
317 3 m_webView->update();
318 }
319
320 129 void MailOpenPerformanceTracker::fail(const MailId &mailId) {
321
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 129 if (matches(mailId))
322 2 finish(Outcome::Failed);
323 129 }
324
325 3 void MailOpenPerformanceTracker::rememberPrefetch(const MailId &mailId) {
326
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 3 if (isActive() && mailId.isValid())
327
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 1 m_prefetchedBodies.insert(mailId);
328 3 }
329
330 634 bool MailOpenPerformanceTracker::consumePrefetch(const MailId &mailId) {
331 634 return m_prefetchedBodies.remove(mailId) > 0;
332 }
333
334 24 void MailOpenPerformanceTracker::finish(Outcome outcome) {
335
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 24 if (!m_operation.isValid())
336 ✗ return;
337 24 const qint64 now = PerformanceTrace::monotonicNowNs();
338 24 const qint64 expected =
339 24 m_previousHeartbeatNs +
340 static_cast<qint64>(HeartbeatIntervalMs) * 1000000;
341 24 m_maxStallNs = std::max<qint64>(m_maxStallNs, now - expected);
342 24 m_stallTimer->stop();
343 24 PerformanceTrace::instance().markProcessEvent(
344
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 24 m_scenario, QString::fromLatin1(EventLoopStallMetric), now,
345 24 std::max<qint64>(0, m_maxStallNs));
346 24 m_operation.finish(outcome, m_attachmentCount, m_bodyBytes);
347 24 reset();
348 }
349
350 85 bool MailOpenPerformanceTracker::eventFilter(QObject *watched, QEvent *event) {
351
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 85 if (event->type() != QEvent::Paint || !m_operation.isValid())
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 73 return QObject::eventFilter(watched, event);
353 12 const auto *widget = qobject_cast<QWidget *>(watched);
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 18 const bool htmlSurface = m_waitingForHtmlPaint && m_webView && widget &&
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 6 (widget == m_webView || m_webView->isAncestorOf(widget));
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 12 if ((m_waitingForPlainPaint && watched == m_plainViewport) || htmlSurface) {
357 9 m_waitingForPlainPaint = false;
358 9 m_waitingForHtmlPaint = false;
359 // WebEngine paints through an embedded widget. Complete after that paint
360 // returns, and never let its queued completion finish a later selection.
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 9 const auto operationId = m_operation.id();
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 9 QTimer::singleShot(0, this, [this, operationId] {
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 9 if (!m_operation.isValid() || m_operation.id() != operationId) return;
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 14 endPhase(QStringLiteral("paint"));
365 7 finish(Outcome::Success);
366 });
367 9 }
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 12 return QObject::eventFilter(watched, event);
369 }
370
371 } // namespace MailJD::Performance
372