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: 99.0% 191 / 0 / 193
Functions: 100.0% 33 / 0 / 33
Branches: 90.4% 206 / 0 / 228
performance/FolderPerformanceTracker.cpp
Line Branch Exec Source
1 #include "performance/FolderPerformanceTracker.h"
2
3 #include <QApplication>
4 #include <QEvent>
5 #include <QWidget>
6
7 #include <algorithm>
8
9 namespace MailJD::Performance {
10
11 namespace {
12
13 constexpr auto CachedMetric = "folder.input_to_cached_list_painted.v1";
14 constexpr auto AuthoritativeMetric = "folder.input_to_authoritative_ready.v1";
15
16 } // namespace
17
18 2723 FolderPerformanceTracker &FolderPerformanceTracker::instance() {
19
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 2723 static FolderPerformanceTracker tracker;
20 2723 return tracker;
21 }
22
23 21 FolderPerformanceTracker::FolderPerformanceTracker(QObject *parent)
24 21 : QObject(parent) {}
25
26 13 void FolderPerformanceTracker::ensureEventFilterInstalled() {
27
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 13 if (!m_eventFilterInstalled && qApp) {
28 1 qApp->installEventFilter(this);
29 1 m_eventFilterInstalled = true;
30 }
31 13 }
32
33 787 bool FolderPerformanceTracker::isActive() const {
34
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 821 return PerformanceTrace::instance().isEnabled() &&
35
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 821 PerformanceTrace::instance().selectedScenario().startsWith(
36
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 1591 QStringLiteral("FOLDER."));
37 }
38
39 7 void FolderPerformanceTracker::watchViewport(QWidget *viewport) {
40 7 m_viewport = viewport;
41
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 7 if (isActive())
42 6 ensureEventFilterInstalled();
43 7 }
44
45 7 void FolderPerformanceTracker::reset() {
46 7 m_folderPath.clear();
47 7 m_generation = 0;
48 7 m_folderId = -1;
49 7 m_cachedRows = -1;
50 7 m_authoritativeRows = -1;
51 7 m_cachedPaintPending = false;
52 7 m_authoritativePaintPending = false;
53 7 m_perceived = {};
54 7 m_authoritative = {};
55 7 }
56
57 769 void FolderPerformanceTracker::beginSwitch(const QString &folderPath,
58 quint64 generation) {
59
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 769 if (!isActive() || folderPath.isEmpty() || generation == 0)
60 762 return;
61 7 ensureEventFilterInstalled();
62
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 7 if (m_perceived.isValid() || m_authoritative.isValid()) {
63 1 ++m_discardedGenerations;
64 1 finishPerceived(Outcome::Cancelled);
65 1 finishAuthoritative(Outcome::Cancelled);
66 }
67 7 reset();
68
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 7 m_scenario = PerformanceTrace::instance().selectedScenario();
69 7 m_folderPath = folderPath;
70 7 m_generation = generation;
71 7 const qint64 startedNs = PerformanceTrace::monotonicNowNs();
72
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 14 m_perceived = PerformanceTrace::instance().startMetric(
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 14 m_scenario, QString::fromLatin1(CachedMetric), startedNs);
74
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 14 if (m_scenario.contains(QStringLiteral(".offline."))) {
75 1 PerformanceTrace::instance().markProcessEvent(
76
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 1 m_scenario,
77
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 2 QString::fromLatin1(AuthoritativeMetric) +
78
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 3 QStringLiteral(".inapplicable"));
79 } else {
80
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 12 m_authoritative = PerformanceTrace::instance().startMetric(
81
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 12 m_scenario, QString::fromLatin1(AuthoritativeMetric), startedNs);
82 }
83
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 14 m_perceived.startPhase(QStringLiteral("folder_lookup"));
84 }
85
86 43 bool FolderPerformanceTracker::generationMatches(quint64 generation) const {
87
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 43 return generation > 0 && generation == m_generation;
88 }
89
90 767 void FolderPerformanceTracker::folderLookupFinished(qint64 folderId,
91 bool success) {
92
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 767 if (!m_perceived.isValid())
93 760 return;
94
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 14 m_perceived.endPhase(QStringLiteral("folder_lookup"));
95
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 7 if (!success || folderId <= 0) {
96 1 finishPerceived(Outcome::Failed);
97 1 finishAuthoritative(Outcome::Failed);
98 1 return;
99 }
100 6 m_folderId = folderId;
101 }
102
103 764 void FolderPerformanceTracker::headerQueryStarted() {
104
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 764 if (m_perceived.isValid())
105
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 8 m_perceived.startPhase(QStringLiteral("header_query"));
106 764 }
107
108 668 void FolderPerformanceTracker::labelsStarted() {
109
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 668 if (!m_perceived.isValid())
110 664 return;
111
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 8 m_perceived.endPhase(QStringLiteral("header_query"));
112
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 8 m_perceived.startPhase(QStringLiteral("label_query"));
113 }
114
115 669 void FolderPerformanceTracker::cacheQueriesFinished(int rowCount) {
116
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 669 if (!m_perceived.isValid())
117 664 return;
118
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 10 m_perceived.endPhase(QStringLiteral("label_query"));
119 5 m_cachedRows = rowCount;
120 }
121
122 668 void FolderPerformanceTracker::modelUpdateStarted() {
123
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 668 if (m_perceived.isValid())
124
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 8 m_perceived.startPhase(QStringLiteral("model_update"));
125 668 }
126
127 668 void FolderPerformanceTracker::modelUpdateFinished() {
128
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 668 if (!m_perceived.isValid())
129 664 return;
130
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 8 m_perceived.endPhase(QStringLiteral("model_update"));
131 }
132
133 5 void FolderPerformanceTracker::proxyThreadRebuildStarted() {
134
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 5 if (m_perceived.isValid())
135
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 8 m_perceived.startPhase(QStringLiteral("proxy_thread_rebuild"));
136 5 }
137
138 5 void FolderPerformanceTracker::proxyThreadRebuildFinished() {
139
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 5 if (m_perceived.isValid())
140
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 8 m_perceived.endPhase(QStringLiteral("proxy_thread_rebuild"));
141 5 }
142
143 674 void FolderPerformanceTracker::cachedCommitted(qint64 folderId, int rowCount,
144 quint64 generation) {
145
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 683 if (!m_perceived.isValid() || !generationMatches(generation) ||
146
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 683 folderId != m_folderId || rowCount != m_cachedRows) {
147 669 return;
148 }
149
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 10 m_perceived.startPhase(QStringLiteral("list_paint"));
150 5 m_cachedPaintPending = true;
151
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 5 if (m_viewport)
152 5 m_viewport->update();
153 }
154
155 666 void FolderPerformanceTracker::debounceStarted() {
156
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 666 if (m_authoritative.isValid())
157
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 4 m_authoritative.startPhase(QStringLiteral("debounce"));
158 666 }
159
160 591 void FolderPerformanceTracker::debounceFinished() {
161
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 591 if (m_authoritative.isValid())
162
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 4 m_authoritative.endPhase(QStringLiteral("debounce"));
163 591 }
164
165 591 void FolderPerformanceTracker::idleExitStarted() {
166
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 591 if (m_authoritative.isValid())
167
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 4 m_authoritative.startPhase(QStringLiteral("idle_exit"));
168 591 }
169
170 591 void FolderPerformanceTracker::selectDispatched() {
171
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 591 if (!m_authoritative.isValid())
172 589 return;
173
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 4 m_authoritative.endPhase(QStringLiteral("idle_exit"));
174
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 4 m_authoritative.startPhase(QStringLiteral("select"));
175
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 4 m_authoritative.startPhase(QStringLiteral("flags_fetch"));
176 }
177
178 17 void FolderPerformanceTracker::selected(qint64 folderId, quint64 generation) {
179
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 21 if (!m_authoritative.isValid() || !generationMatches(generation) ||
180
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 4 folderId != m_folderId)
181 14 return;
182
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 6 m_authoritative.endPhase(QStringLiteral("select"));
183 }
184
185 9 void FolderPerformanceTracker::flagsStarted(quint64 generation) {
186
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 9 if (m_authoritative.isValid() && generationMatches(generation))
187
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 4 m_authoritative.startPhase(QStringLiteral("flags_fetch"));
188 9 }
189
190 22 void FolderPerformanceTracker::flagsFinished(quint64 generation,
191 bool headerFetchFollows) {
192
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 22 if (!m_authoritative.isValid() || !generationMatches(generation))
193 18 return;
194
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 8 m_authoritative.endPhase(QStringLiteral("flags_fetch"));
195
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 4 if (headerFetchFollows)
196 2 headerFetchStarted(generation);
197 }
198
199 4 void FolderPerformanceTracker::headerFetchStarted(quint64 generation) {
200
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 4 if (m_authoritative.isValid() && generationMatches(generation))
201
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 4 m_authoritative.startPhase(QStringLiteral("header_fetch"));
202 4 }
203
204 21 void FolderPerformanceTracker::cacheIndexStarted(quint64 generation) {
205
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 21 if (m_authoritative.isValid() && generationMatches(generation))
206
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 6 m_authoritative.startPhase(QStringLiteral("cache_index"));
207 21 }
208
209 20 void FolderPerformanceTracker::cacheIndexFinished(quint64 generation, bool success) {
210
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 20 if (m_authoritative.isValid() && generationMatches(generation)) {
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 6 m_authoritative.endPhase(QStringLiteral("cache_index"));
212
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 3 if (!success) finishAuthoritative(Outcome::Failed);
213 }
214 20 }
215
216 10 void FolderPerformanceTracker::headerFetchFinished(quint64 generation) {
217
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 10 if (m_authoritative.isValid() && generationMatches(generation))
218
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 4 m_authoritative.endPhase(QStringLiteral("header_fetch"));
219 10 }
220
221 12 void FolderPerformanceTracker::pushRestarted(qint64 folderId, int rowCount,
222 quint64 generation) {
223
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 19 if (!m_authoritative.isValid() || !generationMatches(generation) ||
224
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 19 folderId != m_folderId || rowCount < 0)
225 9 return;
226 3 m_authoritativeRows = rowCount;
227
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 6 m_authoritative.startPhase(QStringLiteral("push_restart"));
228
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 6 m_authoritative.endPhase(QStringLiteral("push_restart"));
229
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 6 m_authoritative.startPhase(QStringLiteral("list_paint"));
230 3 m_authoritativePaintPending = true;
231
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 3 if (m_viewport)
232 3 m_viewport->update();
233 }
234
235 15 void FolderPerformanceTracker::staleGenerationDiscarded(quint64 generation) {
236
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 15 if (generation == m_generation)
237 4 return;
238 11 ++m_discardedGenerations;
239
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 11 if (isActive()) {
240
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 4 PerformanceTrace::instance().markProcessEvent(
241
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 4 PerformanceTrace::instance().selectedScenario(),
242 4 QStringLiteral("stale_generation_discarded"), -1, 0,
243 2 static_cast<qint64>(m_discardedGenerations));
244 }
245 }
246
247 7 void FolderPerformanceTracker::finishPerceived(Outcome outcome) {
248
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 7 if (!m_perceived.isValid())
249 ✗ return;
250
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 7 m_perceived.finish(outcome, std::max(0, m_cachedRows));
251 7 m_perceived = {};
252 7 m_cachedPaintPending = false;
253 }
254
255 6 void FolderPerformanceTracker::finishAuthoritative(Outcome outcome) {
256
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 6 if (!m_authoritative.isValid())
257 ✗ return;
258
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 6 m_authoritative.finish(outcome, std::max(0, m_authoritativeRows));
259 6 m_authoritative = {};
260 6 m_authoritativePaintPending = false;
261 }
262
263 33 bool FolderPerformanceTracker::eventFilter(QObject *watched, QEvent *event) {
264
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 33 if (watched == m_viewport && event->type() == QEvent::Paint) {
265
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 5 if (m_cachedPaintPending && m_perceived.isValid()) {
266
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 10 m_perceived.endPhase(QStringLiteral("list_paint"));
267 5 finishPerceived(Outcome::Success);
268 }
269
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 5 if (m_authoritativePaintPending && m_authoritative.isValid()) {
270
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 6 m_authoritative.endPhase(QStringLiteral("list_paint"));
271 3 finishAuthoritative(Outcome::Success);
272 }
273 }
274 33 return QObject::eventFilter(watched, event);
275 }
276
277 } // namespace MailJD::Performance
278