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2026-05-20 - 07:15
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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 Wed May 20, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1541142993128,2cyclictest1847690-21fwupd00:08:561
154113999275,3cyclictest17850irq/129-nvme0q122:55:010
154114999262,21cyclictest1822689-21apt-get23:45:133
1541146992621,3cyclictest1567070-21apt-get19:35:132
154114699260,6cyclictest1787007-21cron23:10:012
154114299262,21cyclictest1592855-21apt-get20:00:111
154114299261,21cyclictest1772046-21apt-get22:55:101
154114299261,21cyclictest1546431-21apt-get19:15:131
154114299260,24cyclictest1807218-21cron23:30:011
154114699251,21cyclictest0-21swapper/200:00:132
154114699250,23cyclictest1633536-21sh20:40:012
154114699250,23cyclictest1618375-21basename20:25:012
154114699250,23cyclictest1-21systemd22:00:002
154114299251,22cyclictest1860406-21sort00:20:201
154114299251,21cyclictest1618643-21apt-get20:25:121
154113999252,21cyclictest1551954-21apt-get19:20:100
154113999251,20cyclictest1628749-21apt-get20:35:110
1541149992420,2cyclictest1623698-21apt-get20:30:123
1541149992419,3cyclictest1695017-21ps21:40:163
1541149992419,3cyclictest1643935-21apt-get20:50:123
154114999241,21cyclictest1654040-21apt-get21:00:113
154114999241,20cyclictest1557007-21apt-get19:25:113
154114999241,20cyclictest0-21swapper/321:15:143
1541146992419,3cyclictest1582303-21apt-get19:50:132
1541146992418,4cyclictest3777322-21systemd-journal19:35:002
1541146992418,4cyclictest1602717-21sh20:10:002
154114699241,3cyclictest0-21swapper/220:25:122
154114699241,21cyclictest0-21swapper/222:20:132
154114699240,23cyclictest1731633-21sort22:15:172
154114299242,2cyclictest1868351-21apt-get00:30:121
1541142992420,2cyclictest1797370-21apt-get23:20:131
1541142992418,5cyclictest1674784-21grep21:20:161
154114299241,21cyclictest1837646-21cron00:00:011
154114299241,20cyclictest0-21swapper/122:40:131
154114299240,20cyclictest0-21swapper/121:25:111
154113999242,20cyclictest1863256-21apt-get00:25:120
154113999242,20cyclictest1817634-21apt-get23:40:110
1541139992421,2cyclictest1873484-21apt-get00:35:130
154113999241,21cyclictest1741747-21ps22:25:160
154113999241,21cyclictest1736199-21apt-get22:20:120
154113999241,21cyclictest1704606-21apt-get21:50:120
154113999240,4cyclictest1792038-21cron23:15:010
1541149992319,2cyclictest1751873-21tr22:35:173
1541149992319,2cyclictest1731144-21apt-get22:15:133
1541149992319,2cyclictest1581110-21ntpq19:45:203
154114999231,19cyclictest1562037-21apt-get19:30:103
154114999230,20cyclictest1679336-21apt-get21:25:113
154114999230,20cyclictest0-21swapper/320:10:143
154114999230,20cyclictest0-21swapper/320:10:133
154114999230,20cyclictest0-21swapper/300:30:133
1541146992319,3cyclictest509-21systemd-logind21:10:012
154114699231,2cyclictest1730459-21munin-run22:15:002
154114699231,21cyclictest0-21swapper/200:35:132
154114699231,20cyclictest1807502-21apt-get23:30:102
154114699230,5cyclictest1551348-21taskset19:20:002
154114699230,21cyclictest1792698-21/usr/sbin/munin23:15:172
154114699230,21cyclictest1638883-21chrt20:45:112
154114699230,21cyclictest1597634-21cron20:05:002
154114699230,19cyclictest0-21swapper/222:50:122
1541142992319,2cyclictest1541359-21apt-get19:10:151
154114299231,2cyclictest1735218-21/usr/sbin/munin22:15:241
154114299231,2cyclictest1720190-21apt-get22:05:131
154114299231,2cyclictest1664105-21apt-get21:10:121
154114299231,20cyclictest3777322-21systemd-journal23:05:001
154114299231,19cyclictest1577226-21chrt19:45:111
154114299230,21cyclictest1709402-21cron21:54:591
154114299230,20cyclictest0-21swapper/122:45:111
154114299230,20cyclictest0-21swapper/122:45:111
154114299230,20cyclictest0-21swapper/100:15:091
1541139992320,2cyclictest1669161-21apt-get21:15:140
154113999231,2cyclictest1751384-21apt-get22:35:120
154113999231,2cyclictest1633804-21apt-get20:40:120
154113999231,20cyclictest1837927-21apt-get00:00:120
154113999231,20cyclictest1827720-21apt-get23:50:120
154113999231,20cyclictest1777123-21apt-get23:00:110
154113999231,20cyclictest1715160-21apt-get22:00:120
154113999231,20cyclictest1694522-21apt-get21:40:130
154113999230,3cyclictest3777322-21systemd-journal00:25:000
1541149992219,2cyclictest1-21systemd22:55:013
1541149992219,1cyclictest0-21swapper/322:05:143
1541149992219,1cyclictest0-21swapper/320:55:113
1541149992219,1cyclictest0-21swapper/319:35:133
154114999221,2cyclictest0-21swapper/322:30:113
154114999221,2cyclictest0-21swapper/300:00:183
154114999221,20cyclictest0-21swapper/319:57:123
154114999221,19cyclictest0-21swapper/322:20:133
154114999221,19cyclictest0-21swapper/320:40:113
154114999220,21cyclictest1832498-21idleruntime-cro23:55:013
154114999220,20cyclictest0-21swapper/323:00:123
154114999220,20cyclictest0-21swapper/321:55:113
1541146992219,2cyclictest64-21kcompactd023:12:582
1541146992219,2cyclictest0-21swapper/223:35:162
1541146992219,2cyclictest0-21swapper/222:40:122
1541146992218,2cyclictest0-21swapper/222:05:132
1541146992217,3cyclictest1689209-21munin-run21:35:002
154114699221,2cyclictest1576945-21cron19:45:012
154114699221,20cyclictest1746814-21grep22:30:152
154114699221,20cyclictest1587824-21apt-get19:55:122
154114699220,21cyclictest0-21swapper/223:50:122
154114699220,20cyclictest0-21swapper/220:55:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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