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2026-08-14 - 21:34
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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 Fri Aug 14, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18880499340,25cyclictest500939-21cron12:14:590
18880499331,3cyclictest429483-21awk11:04:590
188804993312,11cyclictest460362-21grep11:35:000
18880499320,3cyclictest449948-21latency_hist11:25:010
18880499320,2cyclictest319474-21sed09:15:170
18880499302,24cyclictest275706-21apt-get08:35:140
18880499301,2cyclictest0-21swapper/012:30:110
18880499300,29cyclictest311268-21grep09:05:240
18880499299,9cyclictest0-21swapper/011:10:160
188804992920,7cyclictest218738-21ntpq07:35:210
188804992919,9cyclictest389119-21ps10:25:160
188804992918,9cyclictest0-21swapper/007:50:000
18880499290,2cyclictest0-21swapper/010:38:080
18880499282,22cyclictest403914-21apt-get10:40:120
188804992820,6cyclictest302041-21apt-get09:00:130
18880499281,4cyclictest506011-21awk12:20:000
18880499281,1cyclictest0-21swapper/011:52:350
18881399272,21cyclictest424710-21apt-get11:00:133
18880499271,20cyclictest0-21swapper/010:55:120
18881399261,21cyclictest322324-21apt-get09:20:113
188804992619,6cyclictest0-21swapper/012:00:110
188804992615,10cyclictest204706-21irqcore07:25:190
18880499261,1cyclictest0-21swapper/007:21:370
188813992515,2cyclictest191rcu_preempt11:40:163
18881199252,2cyclictest414544-21apt-get10:50:122
18880499252,21cyclictest470727-21apt-get11:45:120
18880499251,22cyclictest450942-21grep11:25:140
18880499251,22cyclictest358190-21apt-get09:55:120
18880499251,21cyclictest511334-21apt-get12:25:110
18880499251,21cyclictest409476-21apt-get10:45:110
18880499250,24cyclictest440362-21ps11:15:160
18880499250,24cyclictest440362-21ps11:15:160
18880499250,1cyclictest0-21swapper/007:15:120
18881399242,20cyclictest363236-21apt-get10:00:123
18881399241,3cyclictest444939-21apt-get11:20:103
18881399241,21cyclictest250347-21apt-get08:10:123
18881399241,21cyclictest219916-21apt-get07:40:103
18881199245,1cyclictest225501-21irqcore07:45:172
188811992420,2cyclictest480873-21apt-get11:55:112
188811992418,5cyclictest244999-21cron08:05:002
18881199241,22cyclictest348029-21apt-get09:45:142
18881199241,20cyclictest501218-21apt-get12:15:122
18881199240,1cyclictest0-21swapper/208:45:122
188808992422,1cyclictest225493-21irqcore07:45:171
188808992420,3cyclictest495063-21ntpq12:05:241
188804992417,5cyclictest214141-21true07:35:010
18880499241,2cyclictest235140-21apt-get07:55:130
18880499240,22cyclictest332140-21cron09:30:000
18880499240,22cyclictest322822-21grep09:20:160
188813992320,2cyclictest450454-21apt-get11:25:113
188813992320,2cyclictest230067-21apt-get07:50:103
188813992319,3cyclictest471210-21ps11:45:163
18881399231,2cyclictest214803-21apt-get07:35:133
18881399230,22cyclictest439591-21cron11:14:593
18881399230,21cyclictest245000-21cron08:05:003
18881399230,20cyclictest194092-21apt-get07:15:133
18881199234,1cyclictest0-21swapper/208:15:182
18881199231,2cyclictest403432-21apt-get10:38:082
18881199231,21cyclictest353097-21apt-get09:50:132
18881199230,22cyclictest346834-21/usr/sbin/munin09:40:192
188808992319,2cyclictest455546-21apt-get11:30:111
18880899231,20cyclictest342958-21apt-get09:40:111
18880899231,20cyclictest0-21swapper/110:10:121
18880899230,20cyclictest516428-21apt-get12:30:111
18880899230,19cyclictest0-21swapper/109:45:131
188804992320,2cyclictest0-21swapper/009:50:120
188804992317,4cyclictest348531-21grep09:45:170
188804992315,6cyclictest0-21swapper/012:35:120
18880499231,2cyclictest265564-21apt-get08:25:110
18880499231,20cyclictest0-21swapper/007:40:110
18880499230,20cyclictest0-21swapper/012:05:130
188813992219,2cyclictest327860-21ps09:25:183
188813992218,2cyclictest491081-21apt-get12:05:133
18881399221,20cyclictest393680-21apt-get10:30:113
18881399221,20cyclictest0-21swapper/310:35:123
18881399221,20cyclictest0-21swapper/310:27:053
18881399220,2cyclictest0-21swapper/311:50:103
18881399220,21cyclictest481rcuc/309:30:223
18881399220,21cyclictest229802-21idleruntime-cro07:50:003
18881399220,20cyclictest456048-21irqcore11:30:163
188811992220,1cyclictest419639-21apt-get10:55:132
188811992219,2cyclictest189022-21apt-get07:10:112
188811992219,1cyclictest0-21swapper/210:40:112
188811992219,1cyclictest0-21swapper/209:20:122
18881199221,2cyclictest383303-21munin-run10:20:002
18881199220,21cyclictest239931-21cron07:59:592
18881199220,20cyclictest307600-21cut09:05:152
18881199220,19cyclictest0-21swapper/211:20:102
188808992220,1cyclictest515246-21ntpq12:25:211
188808992219,2cyclictest214135-21https07:35:011
188808992218,3cyclictest332842-21apt-get09:30:131
188808992218,2cyclictest307108-21apt-get09:05:121
18880899221,2cyclictest465659-21apt-get11:40:121
18880899220,2cyclictest317751-21sed09:15:161
18880899220,21cyclictest214764-21apt-get07:35:021
18880899220,20cyclictest0-21swapper/109:55:121
18880899220,19cyclictest255948-21cut08:15:181
18880899220,19cyclictest0-21swapper/108:10:121
18880499222,19cyclictest296265-21latency_hist08:55:010
188804992219,2cyclictest383284-21cron10:19:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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