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2026-07-19 - 05:43
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot4.osadl.org (updated Sun Jul 19, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
155568199262,21cyclictest1739086-21apt-get22:10:123
155568199261,3cyclictest0-21swapper/300:20:143
155568199261,22cyclictest1882317-21cron00:30:003
155567799262,21cyclictest1831024-21apt-get23:40:122
1555677992618,5cyclictest1852669-21ps00:00:162
1555677992618,5cyclictest1852669-21ps00:00:162
1555681992520,3cyclictest1887726-21apt-get00:35:123
155568199251,4cyclictest1768353-21ntpq22:35:203
155568199251,21cyclictest1708306-21cut21:40:003
155567799251,20cyclictest1718736-21apt-get21:50:132
155567799250,23cyclictest1677349-21cron21:10:002
1555675992520,2cyclictest1764487-21apt-get22:35:121
155567599250,22cyclictest3777322-21systemd-journal22:20:001
1555681992419,3cyclictest1754339-21apt-get22:25:123
1555681992418,4cyclictest1688720-21grep21:20:163
1555681992412,1cyclictest191rcu_preempt20:40:133
155568199241,21cyclictest1789878-21apt-get23:00:133
155568199241,21cyclictest1723829-21apt-get21:55:133
155568199241,21cyclictest0-21swapper/321:25:133
1555677992419,3cyclictest1621806-21apt-get20:15:102
155567799241,2cyclictest1836515-21apt-get23:45:142
155567799241,22cyclictest1759150-21idleruntime-cro22:30:002
155567799241,20cyclictest1749248-21apt-get22:20:142
1555675992419,3cyclictest1727766-21ntpq21:55:221
1555672992420,2cyclictest1815794-21apt-get23:25:120
1555672992420,2cyclictest1596478-21apt-get19:50:130
155567299241,2cyclictest1867386-21apt-get00:15:120
155567299241,21cyclictest1693305-21apt-get21:25:130
155567299241,21cyclictest1586316-21apt-get19:40:110
1555681992319,2cyclictest1784809-21apt-get22:55:123
1555681992319,2cyclictest0-21swapper/320:30:123
1555681992319,2cyclictest0-21swapper/319:50:133
155568199231,2cyclictest1805533-21apt-get23:15:133
155568199231,2cyclictest1800037-21apt-get23:10:113
155568199231,2cyclictest1681962-21ntpq21:10:213
155568199231,2cyclictest0-21swapper/323:55:123
155568199231,2cyclictest0-21swapper/323:30:133
155568199231,2cyclictest0-21swapper/323:25:123
155568199231,2cyclictest0-21swapper/320:25:213
155568199231,21cyclictest0-21swapper/319:15:143
155568199231,20cyclictest0-21swapper/323:23:543
155568199230,21cyclictest64-21kcompactd019:44:563
1555677992319,2cyclictest1732896-21ntpq22:00:212
1555677992319,2cyclictest1611694-21apt-get20:05:122
1555677992319,2cyclictest1576156-21apt-get19:30:112
1555677992319,2cyclictest1575020-21ntpq19:25:242
155567799231,20cyclictest0-21swapper/200:20:142
155567799230,20cyclictest1627393-21sort20:20:172
155567799230,20cyclictest0-21swapper/222:15:102
155567799230,20cyclictest0-21swapper/222:10:122
155567799230,20cyclictest0-21swapper/221:35:122
155567799230,20cyclictest0-21swapper/220:55:122
155567799230,20cyclictest0-21swapper/220:25:122
1555675992317,3cyclictest1667506-21apt-get21:00:121
155567599230,22cyclictest1561941-21sort19:15:181
155567599230,20cyclictest0-21swapper/100:25:121
1555672992320,2cyclictest1560989-21apt-get19:15:130
155567299231,2cyclictest1688234-21apt-get21:20:120
155567299230,2cyclictest1630791-21ntpq20:20:210
155568199221,20cyclictest0-21swapper/300:02:593
155568199221,20cyclictest0-21swapper/300:02:593
155568199220,2cyclictest1616741-21apt-get20:10:143
155568199220,2cyclictest0-21swapper/321:15:143
155568199220,21cyclictest1580953-21awk19:35:003
155568199220,20cyclictest64-21kcompactd020:15:033
155568199220,20cyclictest1769597-21chrt22:40:123
155568199220,20cyclictest1734502-21ps22:05:153
1555677992219,2cyclictest0-21swapper/200:30:242
1555677992218,2cyclictest0-21swapper/219:55:012
155567799220,2cyclictest1846410-21https23:55:002
155567799220,2cyclictest1846410-21https23:55:002
155567799220,20cyclictest1703213-21ls21:35:002
155567799220,20cyclictest1703213-21ls21:35:002
155567799220,20cyclictest0-21swapper/220:00:122
155567799220,19cyclictest64-21kcompactd021:22:142
1555675992219,2cyclictest0-21swapper/123:40:121
155567599221,2cyclictest1774341-21munin-run22:45:001
155567599221,20cyclictest1657369-21apt-get20:50:131
155567599221,20cyclictest1635858-21ntpq20:25:201
155567599221,1cyclictest1825957-21apt-get23:35:141
155567599221,1cyclictest1800037-21apt-get23:10:101
155567599220,2cyclictest1775086-21ps22:45:171
155567599220,2cyclictest1566982-21ps19:20:171
155567599220,21cyclictest1739569-21irqcore22:10:161
155567599220,20cyclictest1698117-21cron21:30:001
155567599220,19cyclictest0-21swapper/120:45:101
1555672992219,2cyclictest1683143-21apt-get21:15:150
1555672992219,2cyclictest0-21swapper/020:00:120
1555672992218,2cyclictest0-21swapper/021:05:130
1555672992217,1cyclictest191rcu_preempt20:45:000
155567299221,20cyclictest1652275-21apt-get20:45:110
155567299221,1cyclictest1708549-21apt-get21:40:090
155567299220,1cyclictest1744164-21apt-get22:15:090
155567299220,1cyclictest0-21swapper/023:10:110
155567299220,19cyclictest0-21swapper/023:15:140
155567299220,19cyclictest0-21swapper/023:00:140
155567299220,19cyclictest0-21swapper/020:10:140
1555681992119,1cyclictest0-21swapper/322:48:153
1555681992119,1cyclictest0-21swapper/320:35:133
1555681992119,1cyclictest0-21swapper/320:05:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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