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2026-04-28 - 10:01
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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 Tue Apr 28, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
159139994644,1cyclictest276571-21kworker/0:0+pm22:19:560
15913999330,23cyclictest297849-21irqcore21:25:150
159149993211,19cyclictest0-21swapper/323:10:173
15913999310,30cyclictest459857-21idleruntime-cro00:05:010
15913999301,20cyclictest449987-21apt-get23:55:100
15914299285,22cyclictest159151-21cat19:10:011
15913999280,2cyclictest490494-21sshd00:32:360
15913999280,20cyclictest210858-21apt-get20:00:130
15914999272,23cyclictest394125-21apt-get23:00:123
15914999272,23cyclictest394125-21apt-get23:00:113
15914999272,21cyclictest434804-21apt-get23:40:113
15913999271,2cyclictest0-21swapper/000:15:150
159149992623,2cyclictest454833-21idleruntime-cro00:00:013
15914999261,3cyclictest0-21swapper/319:50:163
15914999261,22cyclictest180117-21tr19:30:153
15914999261,22cyclictest0-21swapper/320:25:143
15914999260,22cyclictest347993-21taskset22:15:133
15914499262,20cyclictest251805-21apt-get20:40:132
159139992619,6cyclictest0-21swapper/021:20:210
15914999251,2cyclictest332831-21apt-get22:00:143
15914999251,21cyclictest480419-21apt-get00:25:123
15914999251,21cyclictest195248-21apt-get19:45:123
15914999251,20cyclictest455087-21apt-get00:00:133
15914999251,20cyclictest0-21swapper/320:35:123
15914999251,20cyclictest0-21swapper/319:55:133
15914999250,21cyclictest0-21swapper/322:40:123
15914999250,21cyclictest0-21swapper/321:55:123
15914499251,21cyclictest277095-21apt-get21:05:122
15914499251,21cyclictest0-21swapper/223:00:132
15914499251,21cyclictest0-21swapper/223:00:132
15913999259,5cyclictest261-21systemd-journal23:35:010
159139992516,8cyclictest0-21swapper/021:15:000
159139992510,2cyclictest0-21swapper/022:44:590
15914999240,23cyclictest464953-21basename00:10:003
15914999240,20cyclictest0-21swapper/323:30:103
15914499241,3cyclictest201209-21ps19:50:162
15914499240,21cyclictest0-21swapper/223:10:132
15914499240,21cyclictest0-21swapper/222:40:122
15914499240,20cyclictest0-21swapper/200:20:122
159142992420,2cyclictest378877-21apt-get22:45:151
15914299241,21cyclictest317647-21apt-get21:45:141
159139992420,2cyclictest368754-21apt-get22:35:100
159139992420,2cyclictest261932-21apt-get20:50:100
159139992419,4cyclictest0-21swapper/022:10:100
15913999241,21cyclictest448836-21ntpq23:50:210
15913999241,21cyclictest231590-21apt-get20:20:110
159149992319,2cyclictest485919-21apt-get00:30:133
159149992319,2cyclictest241676-21chrt20:30:113
159149992319,2cyclictest0-21swapper/321:30:123
159149992319,2cyclictest0-21swapper/321:10:083
15914999231,2cyclictest272037-21apt-get21:00:093
15914999231,2cyclictest0-21swapper/321:35:113
15914999231,20cyclictest0-21swapper/322:30:253
15914999230,2cyclictest220791-21systemd-run20:10:003
15914999230,2cyclictest189533-21true19:40:003
15914999230,20cyclictest343402-21sort22:10:153
15914999230,20cyclictest0-21swapper/321:50:123
159144992319,3cyclictest164457-21apt-get19:15:152
159144992319,2cyclictest190196-21apt-get19:40:132
159144992318,3cyclictest702-21runrttasks20:20:142
159144992318,3cyclictest302136-21cron21:30:002
15914499231,19cyclictest0-21swapper/219:55:122
15914499231,19cyclictest0-21swapper/219:10:122
15914499230,21cyclictest424645-21chrt23:30:102
15914499230,20cyclictest180118-21irqcore19:30:152
15914499230,20cyclictest0-21swapper/200:00:132
159142992319,3cyclictest337881-21apt-get22:05:111
15914299231,2cyclictest307491-21apt-get21:35:121
15914299231,2cyclictest292306-21apt-get21:20:111
15914299231,20cyclictest409321-21apt-get23:15:131
15914299231,20cyclictest302416-21apt-get21:30:141
15914299231,20cyclictest194098-21ntpq19:40:221
15913999239,3cyclictest225832-21cron20:15:000
15913999232,20cyclictest485413-21apt-key00:29:590
159139992320,1cyclictest429715-21apt-get23:35:120
159139992318,4cyclictest0-21swapper/022:30:110
159139992313,8cyclictest61650irq/133-enp0s29f1:rx-020:55:110
15913999231,2cyclictest215958-21apt-get20:05:120
159139992311,11cyclictest388356-21unixbench_singl22:50:260
159149992219,2cyclictest353081-21apt-get22:20:113
159149992219,2cyclictest236343-21cron20:25:003
159149992219,2cyclictest0-21swapper/323:05:123
159149992219,2cyclictest0-21swapper/322:05:113
159149992218,3cyclictest0-21swapper/323:25:133
159149992218,2cyclictest0-21swapper/322:35:093
15914999221,2cyclictest0-21swapper/321:05:123
15914999220,2cyclictest475320-21apt-get00:20:123
15914999220,2cyclictest0-21swapper/319:10:123
15914999220,21cyclictest211346-21tr20:00:173
15914999220,21cyclictest0-21swapper/323:50:103
159144992216,3cyclictest282175-21apt-get21:10:132
15914499221,20cyclictest173378-21ntpq19:20:202
15914499221,1cyclictest0-21swapper/223:40:112
15914499220,2cyclictest373524-21cron22:39:592
15914499220,2cyclictest0-21swapper/222:15:132
15914499220,1cyclictest0-21swapper/221:35:112
15914499220,1cyclictest0-21swapper/221:17:412
15914499220,19cyclictest0-21swapper/220:25:142
159142992218,2cyclictest159355-21apt-get19:10:121
15914299221,2cyclictest317367-21cron21:45:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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