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2026-04-11 - 09:53
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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 Sat Apr 11, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1572684995451,2cyclictest1644188-21fwupd20:18:020
157269199271,5cyclictest1854340-21irqcore23:45:162
1572693992621,3cyclictest0-21swapper/323:20:003
157269399260,23cyclictest1833661-21grep23:25:163
157269199262,21cyclictest1751693-21apt-get22:05:102
157268899261,21cyclictest1879122-21apt-get00:10:121
157268899261,21cyclictest1812891-21apt-get23:05:111
157268899261,21cyclictest1675143-21apt-get20:50:101
1572693992521,2cyclictest1771757-21idleruntime-cro22:24:593
157269399251,20cyclictest1715720-21apt-get21:30:133
157269399250,22cyclictest1613825-21runrttasks19:50:123
157269199251,23cyclictest1833644-21ps23:25:152
157269199250,24cyclictest1720613-21unin-run21:35:012
1572688992521,3cyclictest311ktimers/119:40:121
157268899251,21cyclictest1618875-21apt-get19:55:111
1572693992420,2cyclictest1904421-21apt-get00:35:113
1572693992420,2cyclictest1623930-21apt-get20:00:123
157269399241,3cyclictest1689198-21ntpq21:00:203
157269399241,20cyclictest0-21swapper/322:25:143
1572691992420,3cyclictest1598187-21apt-get19:35:122
157269199241,21cyclictest1889255-21apt-get00:20:102
157269199241,21cyclictest1577664-21cron19:15:002
157269199240,22cyclictest1772504-21irqcore22:25:182
157268899241,4cyclictest1837961-21cron23:29:591
157268899241,21cyclictest1838239-21apt-get23:30:121
157268899241,20cyclictest1868971-21apt-get00:00:131
157268899241,20cyclictest0-21swapper/123:00:131
157268499242,2cyclictest1787574-21apt-get22:40:100
157268499242,21cyclictest1628963-21apt-get20:05:110
1572684992420,2cyclictest1710648-21apt-get21:25:110
157269399230,22cyclictest1587782-21idleruntime-cro19:25:003
157269399230,21cyclictest1883949-21munin-run00:15:003
157269399230,19cyclictest0-21swapper/323:30:123
157269199232,2cyclictest1665006-21apt-get20:40:132
1572691992319,2cyclictest1721258-21apt-get21:35:112
1572691992318,3cyclictest1812891-21apt-get23:05:122
1572691992316,5cyclictest1832883-21cron23:25:002
157269199231,2cyclictest1746625-21apt-get22:00:132
157269199231,2cyclictest0-21swapper/223:00:122
157269199231,2cyclictest0-21swapper/220:05:112
157269199231,21cyclictest1618878-21chrt19:55:102
157269199231,21cyclictest0-21swapper/222:15:212
157269199230,21cyclictest1654604-21kworker/2:1+events21:20:232
157269199230,21cyclictest1639541-21apt-get20:15:122
157269199230,20cyclictest0-21swapper/220:10:122
1572688992319,2cyclictest261-21systemd-journal00:36:311
1572688992319,1cyclictest0-21swapper/122:30:121
1572688992318,3cyclictest1588538-21ps19:25:161
157268899231,20cyclictest1863907-21apt-get23:55:101
157268899231,20cyclictest1847634-21ntpq23:35:201
157268899231,20cyclictest1649473-21cron20:25:001
157268899231,20cyclictest0-21swapper/122:50:111
157268899231,20cyclictest0-21swapper/119:20:101
157268899231,19cyclictest0-21swapper/119:35:121
157268899230,3cyclictest1772345-21chrt22:25:161
157268899230,21cyclictest1822748-21cron23:14:591
157268899230,21cyclictest1674874-21idleruntime-cro20:50:001
157268899230,20cyclictest0-21swapper/123:15:111
157268899230,20cyclictest0-21swapper/122:20:111
157268899230,20cyclictest0-21swapper/122:00:131
157268899230,20cyclictest0-21swapper/121:20:121
157268899230,20cyclictest0-21swapper/121:05:111
157268899230,20cyclictest0-21swapper/119:50:121
157268899230,20cyclictest0-21swapper/100:15:121
1572684992319,2cyclictest1782519-21apt-get22:35:110
157268499231,2cyclictest1833161-21apt-get23:25:110
157268499231,2cyclictest1818432-21ps23:10:150
157268499231,2cyclictest1772012-21apt-get22:25:130
157268499231,20cyclictest1670075-21apt-get20:45:120
157268499230,22cyclictest1881352-21ps00:10:180
157268499230,22cyclictest0-21swapper/020:50:100
157268499230,21cyclictest0-21swapper/000:00:130
1572693992219,2cyclictest1680213-21apt-get20:55:123
1572693992219,1cyclictest1690340-21apt-get21:05:123
1572693992219,1cyclictest1649750-21apt-get20:25:113
1572693992218,2cyclictest1858880-21apt-get23:50:113
1572693992218,2cyclictest0-21swapper/300:00:133
1572693992217,4cyclictest1797862-21fschecks_count22:50:123
1572693992217,3cyclictest1904152-21sh00:35:013
157269399221,1cyclictest1603264-21apt-get19:40:123
157269399220,2cyclictest1828566-21ps23:20:163
157269399220,21cyclictest1874529-21ps00:05:183
157269399220,19cyclictest0-21swapper/322:15:133
157269399220,19cyclictest0-21swapper/300:20:113
1572691992219,2cyclictest0-21swapper/219:40:122
1572691992219,2cyclictest0-21swapper/200:15:122
1572691992218,2cyclictest1777488-21apt-get22:30:132
1572691992218,2cyclictest1731376-21apt-get21:45:142
157269199221,2cyclictest0-21swapper/223:50:112
157269199221,2cyclictest0-21swapper/200:35:122
157269199221,20cyclictest0-21swapper/221:26:212
157269199220,2cyclictest0-21swapper/223:10:112
157269199220,2cyclictest0-21swapper/222:40:112
157269199220,2cyclictest0-21swapper/222:20:122
157269199220,2cyclictest0-21swapper/221:15:122
157269199220,21cyclictest0-21swapper/223:32:412
157269199220,21cyclictest0-21swapper/222:55:102
157269199220,20cyclictest0-21swapper/200:30:102
1572688992219,2cyclictest0-21swapper/123:45:221
1572688992219,1cyclictest1828082-21apt-get23:20:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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