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2026-05-31 - 04:18
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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 May 31, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1696776994542,2cyclictest1664877-21kworker/3:3+pm22:55:353
169677299281,23cyclictest1840568-21apt-get21:30:102
169677699264,20cyclictest0-21swapper/319:20:013
169677699261,22cyclictest1722693-21apt-get19:35:113
169677299262,21cyclictest1936775-21apt-get23:05:122
1696772992619,5cyclictest0-21swapper/222:40:122
169677299261,3cyclictest702-21runrttasks00:06:222
169677299261,3cyclictest1721993-21cron19:35:012
169677299261,22cyclictest1968098-21apt-get23:35:122
169677299261,22cyclictest1789266-21taskset20:40:112
169677699252,3cyclictest1886094-21apt-get22:15:113
169677699251,21cyclictest1753039-21apt-get20:05:123
169677699250,22cyclictest2003825-21latency_hist00:10:013
1696772992519,2cyclictest2029522-21apt-get00:35:132
169677299251,3cyclictest1931406-21munin-run23:00:002
169677299251,2cyclictest1732778-21apt-get19:45:132
169677299251,22cyclictest1901281-21apt-get22:30:122
169677299251,21cyclictest1983051-21cron23:50:002
169677299251,21cyclictest1973189-21apt-get23:40:112
169677299251,21cyclictest0-21swapper/200:25:122
169677299250,21cyclictest0-21swapper/221:00:122
169676599250,22cyclictest2029073-21sshd00:32:591
169677699241,3cyclictest2023362-21ntpq00:25:233
169677699241,20cyclictest2014287-21apt-get00:20:103
169677699241,20cyclictest0-21swapper/321:45:123
169677699241,19cyclictest0-21swapper/321:10:123
1696772992420,2cyclictest1819976-21apt-get21:10:122
169677299241,4cyclictest1881546-21ps22:10:162
169677299241,3cyclictest1767966-21munin-run20:20:002
169677299241,2cyclictest1814943-21apt-get21:05:122
169677299241,21cyclictest2004147-21apt-get00:10:122
169677299241,21cyclictest0-21swapper/220:00:112
169677299241,20cyclictest0-21swapper/220:10:102
169677299241,20cyclictest0-21swapper/219:15:112
169677299240,3cyclictest702-21runrttasks00:30:112
169677299240,3cyclictest1697488-21grep19:10:152
1696765992418,4cyclictest1805332-21ps20:55:171
169676599241,21cyclictest1973189-21apt-get23:40:111
169676599241,21cyclictest1886094-21apt-get22:15:111
169676599241,21cyclictest1881063-21apt-get22:10:121
1696762992420,3cyclictest2029246-21cron00:35:000
1696762992418,4cyclictest1824883-21dpkg21:15:010
169676299240,22cyclictest1844861-21taskset21:30:240
1696776992319,2cyclictest0-21swapper/320:35:133
169677699230,22cyclictest1932163-21cut23:00:163
169677699230,20cyclictest1941855-21taskset23:10:113
169677699230,20cyclictest0-21swapper/321:40:133
169677699230,20cyclictest0-21swapper/321:05:123
169677699230,20cyclictest0-21swapper/319:20:103
1696772992321,1cyclictest1890894-21munin-run22:20:002
1696772992319,2cyclictest0-21swapper/221:40:122
1696772992318,3cyclictest1993214-21cron00:00:002
1696772992317,4cyclictest1998330-21cron00:05:002
169677299231,2cyclictest0-21swapper/219:25:112
169677299231,20cyclictest1926319-21cron22:55:002
169677299230,2cyclictest0-21swapper/220:29:592
169677299230,21cyclictest1988123-21ls23:55:002
169677299230,20cyclictest0-21swapper/219:50:132
1696765992319,2cyclictest1845622-21apt-get21:35:121
169676599231,2cyclictest1931661-21apt-get23:00:121
169676599231,2cyclictest1916418-21apt-get22:45:121
169676599231,21cyclictest1859741-21ntpq21:45:221
169676599231,20cyclictest1784211-21apt-get20:35:131
169676599231,20cyclictest0-21swapper/123:05:121
169676599231,20cyclictest0-21swapper/122:30:121
169676599230,21cyclictest0-21swapper/121:00:121
169676599230,20cyclictest0-21swapper/121:30:111
169676599230,19cyclictest1778101-21apt-config20:29:591
1696762992319,2cyclictest1707131-21apt-get19:20:110
169676299231,2cyclictest1712186-21apt-get19:25:100
169676299231,20cyclictest2019380-21apt-get00:25:120
169676299230,22cyclictest1747706-21cron19:59:590
1696776992219,2cyclictest1957915-21apt-get23:25:133
1696776992219,2cyclictest0-21swapper/320:25:123
1696776992219,1cyclictest1794066-21apt-config20:44:593
1696776992218,2cyclictest1968098-21apt-get23:35:123
1696776992218,2cyclictest0-21swapper/321:20:133
1696776992217,3cyclictest1947411-21irqcore23:15:173
1696776992216,4cyclictest1799503-21apt20:50:003
1696776992216,4cyclictest1799503-21apt20:50:003
169677699220,2cyclictest1758568-21tr20:10:143
169677699220,2cyclictest0-21swapper/319:30:123
169677699220,20cyclictest0-21swapper/320:55:133
169677699220,20cyclictest0-21swapper/319:40:123
169677699220,19cyclictest0-21swapper/319:25:113
1696772992219,2cyclictest1871445-21irqcore22:00:172
1696772992219,1cyclictest0-21swapper/223:15:132
1696772992218,3cyclictest1-21systemd20:35:002
1696772992218,2cyclictest0-21swapper/200:15:122
169677299221,2cyclictest0-21swapper/220:55:132
169677299221,2cyclictest0-21swapper/220:35:132
169677299221,1cyclictest0-21swapper/222:05:182
169677299220,2cyclictest0-21swapper/223:20:122
169677299220,21cyclictest64-21kcompactd021:24:012
1696765992218,2cyclictest1895951-21cron22:25:001
169676599221,2cyclictest0-21swapper/100:06:231
169676599221,1cyclictest1794719-21apt-get20:45:131
169676599221,1cyclictest1794719-21apt-get20:45:131
169676599220,2cyclictest1722034-21apt-get19:35:011
169676599220,1cyclictest0-21swapper/122:40:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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