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: 98.3% 172 / 0 / 175
Functions: 100.0% 25 / 0 / 25
Branches: 89.2% 206 / 0 / 231
performance/MutationPerformanceTracker.cpp
Line Branch Exec Source
1 #include "performance/MutationPerformanceTracker.h"
2
3 #include <QApplication>
4 #include <QEvent>
5 #include <QWidget>
6
7 #include <algorithm>
8
9 namespace MailJD::Performance {
10
11 namespace {
12 constexpr auto PerceivedMetric = "mutation.input_to_perceived_paint.v1";
13 constexpr auto AuthoritativeMetric =
14 "mutation.input_to_authoritative_paint.v1";
15 }
16
17 597 MutationPerformanceTracker &MutationPerformanceTracker::instance() {
18
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 597 static MutationPerformanceTracker tracker;
19 597 return tracker;
20 }
21
22 13 MutationPerformanceTracker::MutationPerformanceTracker(QObject *parent)
23 13 : QObject(parent) {}
24
25 12 void MutationPerformanceTracker::ensureEventFilterInstalled() {
26
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 12 if (!m_eventFilterInstalled && qApp) {
27 1 qApp->installEventFilter(this);
28 1 m_eventFilterInstalled = true;
29 }
30 12 }
31
32 365 bool MutationPerformanceTracker::isActive() const {
33
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 389 return PerformanceTrace::instance().isEnabled() &&
34
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 389 PerformanceTrace::instance().selectedScenario().startsWith(
35
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 742 QStringLiteral("MUTATION."));
36 }
37
38 4 void MutationPerformanceTracker::watchViewport(QWidget *viewport) {
39 4 m_viewport = viewport;
40
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 4 if (isActive())
41 3 ensureEventFilterInstalled();
42 4 }
43
44 361 void MutationPerformanceTracker::beginMutation(
45 int itemCount, const QStringList &operations) {
46
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 361 if (!isActive())
47 356 return;
48
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 9 ensureEventFilterInstalled();
49
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 9 const QString selected = PerformanceTrace::instance().selectedScenario();
50 const bool operationMatches =
51
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 9 std::any_of(operations.cbegin(), operations.cend(),
52 8 [&selected](const QString &operation) {
53
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 32 return selected.contains(QStringLiteral(".") + operation +
54
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 32 QStringLiteral("."));
55 });
56
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 9 if (!operationMatches)
57 2 return;
58
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 7 if (m_perceived.isValid() || m_authoritative.isValid()) {
59
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 2 if (m_tokens.isEmpty())
60 1 m_itemCount = std::max(m_itemCount, std::max(0, itemCount));
61 2 return;
62 }
63 5 m_scenario = selected;
64 5 m_itemCount = std::max(0, itemCount);
65 5 m_tokens.clear();
66 5 m_terminalTokens.clear();
67 5 m_anyFailure = false;
68 5 m_perceivedPaintPending = false;
69 5 m_authoritativePaintPending = false;
70
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 5 const qint64 startedNs = PerformanceTrace::monotonicNowNs();
71
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 10 m_perceived = PerformanceTrace::instance().startMetric(
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 10 m_scenario, QString::fromLatin1(PerceivedMetric), startedNs);
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 10 if (m_scenario.contains(QStringLiteral(".offline."))) {
74
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 1 PerformanceTrace::instance().markProcessEvent(
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 2 m_scenario, QString::fromLatin1(AuthoritativeMetric) +
76
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 3 QStringLiteral(".inapplicable"));
77 } else {
78
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 8 m_authoritative = PerformanceTrace::instance().startMetric(
79
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 8 m_scenario, QString::fromLatin1(AuthoritativeMetric), startedNs);
80 }
81 9 }
82
83 148 void MutationPerformanceTracker::journalStarted() {
84
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 148 if (m_perceived.isValid())
85
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 10 m_perceived.startPhase(QStringLiteral("journal"));
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 148 if (m_authoritative.isValid())
87
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 8 m_authoritative.startPhase(QStringLiteral("journal"));
88 148 }
89
90 147 void MutationPerformanceTracker::journalFinished(bool success, qint64 token) {
91
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 147 if (!m_perceived.isValid())
92 139 return;
93
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 16 m_perceived.endPhase(QStringLiteral("journal"));
94
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 8 if (m_authoritative.isValid())
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 14 m_authoritative.endPhase(QStringLiteral("journal"));
96
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 8 if (!success || token <= 0) {
97 2 finishPerceived(Outcome::Failed);
98 2 finishAuthoritative(Outcome::Failed);
99 2 return;
100 }
101 6 const bool firstToken = m_tokens.isEmpty();
102
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 6 m_tokens.insert(token);
103
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 6 if (firstToken && m_authoritative.isValid())
104
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 4 m_authoritative.startPhase(QStringLiteral("queue_wait"));
105 }
106
107 145 void MutationPerformanceTracker::cacheStarted() {
108
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 145 if (m_perceived.isValid())
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 4 m_perceived.startPhase(QStringLiteral("cache"));
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 145 if (m_authoritative.isValid())
111
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 2 m_authoritative.startPhase(QStringLiteral("cache"));
112 145 }
113
114 145 void MutationPerformanceTracker::cacheFinished() {
115
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 145 if (m_perceived.isValid())
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 4 m_perceived.endPhase(QStringLiteral("cache"));
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 145 if (m_authoritative.isValid())
118
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 2 m_authoritative.endPhase(QStringLiteral("cache"));
119 145 }
120
121 340 void MutationPerformanceTracker::modelBadgeStarted() {
122
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 340 if (m_perceived.isValid())
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 4 m_perceived.startPhase(QStringLiteral("model_badge"));
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 340 if (m_authoritative.isValid())
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 2 m_authoritative.startPhase(QStringLiteral("model_badge"));
126 340 }
127
128 340 void MutationPerformanceTracker::modelBadgeFinished() {
129
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 340 if (m_perceived.isValid())
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 4 m_perceived.endPhase(QStringLiteral("model_badge"));
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 340 if (m_authoritative.isValid())
132
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 2 m_authoritative.endPhase(QStringLiteral("model_badge"));
133 340 }
134
135 343 void MutationPerformanceTracker::perceivedCommitted() {
136
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 346 if (!m_perceived.isValid() || m_perceivedPaintPending ||
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 3 m_tokens.size() < m_itemCount)
138 340 return;
139
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 6 m_perceived.startPhase(QStringLiteral("paint"));
140
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 3 if (m_authoritative.isValid())
141
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 4 m_authoritative.startPhase(QStringLiteral("paint"));
142 3 m_perceivedPaintPending = true;
143
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 3 if (m_viewport)
144 3 m_viewport->update();
145 }
146
147 33 void MutationPerformanceTracker::mutationDispatched(qint64 token) {
148
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 33 if (!m_authoritative.isValid() || !m_tokens.contains(token))
149 28 return;
150
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 10 m_authoritative.endPhase(QStringLiteral("queue_wait"));
151
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 10 m_authoritative.startPhase(QStringLiteral("protocol"));
152 }
153
154 49 void MutationPerformanceTracker::protocolFinished(qint64 token) {
155
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 49 if (m_authoritative.isValid() && m_tokens.contains(token))
156
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 10 m_authoritative.endPhase(QStringLiteral("protocol"));
157 49 }
158
159 46 void MutationPerformanceTracker::reconciliationStarted(qint64 token) {
160
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 46 if (m_authoritative.isValid() && m_tokens.contains(token))
161
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 10 m_authoritative.startPhase(QStringLiteral("reconcile"));
162 46 }
163
164 5 void MutationPerformanceTracker::reconciliationDeferred(qint64 token) {
165
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 5 if (!m_authoritative.isValid() || !m_tokens.contains(token))
166 4 return;
167
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 2 m_authoritative.endPhase(QStringLiteral("reconcile"));
168
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 2 m_authoritative.startPhase(QStringLiteral("queue_wait"));
169 }
170
171 64 void MutationPerformanceTracker::reconciliationFinished(qint64 token,
172 bool success) {
173
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 64 if (!m_authoritative.isValid() || !m_tokens.contains(token))
174 59 return;
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 10 m_authoritative.endPhase(QStringLiteral("reconcile"));
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 5 m_terminalTokens.insert(token);
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 5 m_anyFailure = m_anyFailure || !success;
178
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 5 if (m_terminalTokens.size() < m_tokens.size())
179
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 6 m_authoritative.startPhase(QStringLiteral("queue_wait"));
180 5 maybePrepareAuthoritativePaint();
181 }
182
183 6 void MutationPerformanceTracker::mutationQueuedOffline(qint64 token) {
184
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 6 if (!m_tokens.contains(token))
185 5 return;
186
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 1 if (!m_authoritative.isValid())
187
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 1 m_terminalTokens.insert(token);
188 else
189 ✗ m_authoritative.startPhase(QStringLiteral("queue_wait"));
190 }
191
192 3 void MutationPerformanceTracker::reconciliationSuperseded(qint64 token) {
193 // Moving a message retires its source UID; it does not prove that an older
194 // flag request was read back. Do not turn that cancelled measurement green.
195
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 3 if (m_tokens.contains(token)) finishAuthoritative(Outcome::Cancelled);
196 3 }
197
198 5 void MutationPerformanceTracker::maybePrepareAuthoritativePaint() {
199
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 15 if (!m_authoritative.isValid() || m_tokens.isEmpty() ||
200
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 15 m_terminalTokens.size() != m_tokens.size() ||
201
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 2 m_authoritativePaintPending)
202 3 return;
203
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 4 m_authoritative.startPhase(QStringLiteral("push_restart"));
204
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 4 m_authoritative.endPhase(QStringLiteral("push_restart"));
205
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 4 m_authoritative.startPhase(QStringLiteral("final_paint"));
206 2 m_authoritativePaintPending = true;
207
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 2 if (m_viewport)
208 2 m_viewport->update();
209 }
210
211 5 void MutationPerformanceTracker::finishPerceived(Outcome outcome) {
212
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 5 if (!m_perceived.isValid())
213 ✗ return;
214 5 m_perceived.finish(outcome, m_itemCount);
215 5 m_perceived = {};
216 5 m_perceivedPaintPending = false;
217 }
218
219 4 void MutationPerformanceTracker::finishAuthoritative(Outcome outcome) {
220
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 4 if (!m_authoritative.isValid())
221 ✗ return;
222 4 m_authoritative.finish(outcome, m_itemCount);
223 4 m_authoritative = {};
224 4 m_authoritativePaintPending = false;
225 }
226
227 20 bool MutationPerformanceTracker::eventFilter(QObject *watched, QEvent *event) {
228
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 20 if (watched == m_viewport && event->type() == QEvent::Paint) {
229
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 4 if (m_perceivedPaintPending && m_perceived.isValid()) {
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 6 m_perceived.endPhase(QStringLiteral("paint"));
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 3 if (m_authoritative.isValid())
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 4 m_authoritative.endPhase(QStringLiteral("paint"));
233 3 finishPerceived(Outcome::Success);
234 }
235
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 4 if (m_authoritativePaintPending && m_authoritative.isValid()) {
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 4 m_authoritative.endPhase(QStringLiteral("final_paint"));
237
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 2 finishAuthoritative(m_anyFailure ? Outcome::Failed : Outcome::Success);
238 }
239 }
240 20 return QObject::eventFilter(watched, event);
241 }
242
243 } // namespace MailJD::Performance
244