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2026-05-13 - 16:41
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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 13, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22539599286,11cyclictest230426-21munin-run07:15:002
225398992724,2cyclictest496147-21cron11:35:013
22539899261,21cyclictest455587-21apt-get10:55:113
22539599262,21cyclictest506975-21apt-get11:45:112
225388992622,3cyclictest225384-21cyclictest10:20:000
22539899252,21cyclictest512050-21apt-get11:50:113
225398992520,3cyclictest292188-21apt-get08:15:123
22539599251,21cyclictest354171-21grep09:15:162
22539599251,20cyclictest0-21swapper/211:10:022
22539599250,23cyclictest491851-21ps11:30:162
22539399251,23cyclictest261-21systemd-journal09:55:001
22539399250,5cyclictest374774-21ps09:35:181
22539899242,2cyclictest297223-21apt-get08:20:123
225398992420,2cyclictest543284-21apt-get12:20:123
22539899241,21cyclictest230683-21apt-get07:15:123
22539899241,20cyclictest0-21swapper/312:10:133
22539899241,20cyclictest0-21swapper/307:10:133
22539899240,22cyclictest245891-21cat07:30:003
22539899240,21cyclictest0-21swapper/308:00:133
225395992422,1cyclictest0-21swapper/211:30:012
225395992420,2cyclictest364191-21apt-get09:25:102
22539599241,20cyclictest522157-21apt-get12:00:112
22539399241,20cyclictest532691-21apt-get12:10:121
22539399241,20cyclictest486313-21apt-get11:25:121
22539399241,20cyclictest465649-21apt-get11:05:121
22538899242,2cyclictest333017-21apt-get08:55:110
22538899241,2cyclictest517105-21apt-get11:55:110
22538899240,21cyclictest343547-21apt-get09:05:090
225398992320,2cyclictest501474-21apt-get11:40:113
225398992320,2cyclictest369223-21apt-get09:30:113
225398992319,2cyclictest460596-21apt-get11:00:123
225398992319,2cyclictest450544-21apt-get10:50:113
225398992319,2cyclictest0-21swapper/310:30:123
225398992319,2cyclictest0-21swapper/310:15:113
225398992319,2cyclictest0-21swapper/308:45:113
225398992319,2cyclictest0-21swapper/307:20:133
225398992318,4cyclictest563249-21idleruntime-cro12:40:003
225398992317,4cyclictest261-21systemd-journal09:40:003
22539899231,2cyclictest409719-21apt-get10:10:103
22539899231,2cyclictest409719-21apt-get10:10:103
22539899231,2cyclictest0-21swapper/311:05:123
22539899231,21cyclictest476203-21apt-get11:15:113
22539899231,20cyclictest0-21swapper/311:25:113
22539899230,21cyclictest400126-21sort10:00:163
22539899230,21cyclictest251048-21cron07:35:013
22539899230,21cyclictest251048-21cron07:35:003
225395992319,2cyclictest542634-21unin-run12:19:592
22539599231,3cyclictest251327-21apt-get07:35:122
22539599230,3cyclictest486038-21cron11:25:012
22539599230,21cyclictest292679-21cut08:15:162
22539599230,20cyclictest256791-21apt-get07:40:032
22539599230,20cyclictest0-21swapper/210:50:112
22539599230,20cyclictest0-21swapper/208:55:102
22539599230,20cyclictest0-21swapper/208:35:112
225393992320,2cyclictest235473-21systemd-run07:20:001
225393992319,2cyclictest266933-21apt-get07:50:131
225393992318,4cyclictest435904-21grep10:35:151
22539399231,20cyclictest307304-21apt-get08:30:111
22539399231,19cyclictest414796-21apt-get10:15:111
22539399230,4cyclictest236208-21sort07:20:161
22539399230,21cyclictest256169-21munin-run07:40:001
22539399230,20cyclictest312758-21apt-get08:35:111
225388992319,3cyclictest481762-21/usr/sbin/munin11:20:160
225388992319,2cyclictest491368-21apt-get11:30:110
225388992319,2cyclictest379354-21apt-get09:40:120
225388992319,2cyclictest312205-21latency_hist08:35:000
22538899231,21cyclictest425323-21apt-get10:25:100
22538899230,20cyclictest0-21swapper/007:25:130
225398992219,2cyclictest0-21swapper/310:40:103
225398992219,2cyclictest0-21swapper/309:10:113
225398992219,1cyclictest0-21swapper/310:05:123
22539899221,2cyclictest0-21swapper/309:50:113
22539899221,2cyclictest0-21swapper/309:00:113
22539899221,2cyclictest0-21swapper/308:35:193
22539899221,20cyclictest0-21swapper/309:25:103
22539899221,20cyclictest0-21swapper/308:55:103
22539899221,20cyclictest0-21swapper/307:40:033
22539899220,2cyclictest358461-21cron09:19:593
22539899220,21cyclictest0-21swapper/308:30:123
22539899220,20cyclictest394562-21apt-get09:55:133
225395992219,2cyclictest302003-21idleruntime-cro08:25:012
225395992219,1cyclictest359163-21apt-get09:20:122
22539599221,1cyclictest0-21swapper/210:35:112
22539599220,2cyclictest0-21swapper/208:30:112
22539599220,19cyclictest0-21swapper/211:00:122
22539599220,19cyclictest0-21swapper/207:55:112
225393992219,2cyclictest506485-21cut11:45:001
225393992219,1cyclictest317838-21apt-get08:40:121
225393992219,1cyclictest292188-21apt-get08:15:111
225393992218,2cyclictest471129-21apt-get11:10:141
225393992218,2cyclictest0-21swapper/109:20:171
22539399220,2cyclictest511776-21cron11:49:591
22539399220,19cyclictest0-21swapper/112:35:111
22539399220,19cyclictest0-21swapper/111:15:101
225388992219,2cyclictest0-21swapper/010:50:120
225388992218,3cyclictest496422-21apt-get11:35:130
225388992216,4cyclictest269142-21runrttasks07:50:190
22538899221,20cyclictest322934-21apt-get08:45:110
22538899221,20cyclictest225610-21apt-get07:10:130
22538899221,20cyclictest0-21swapper/007:20:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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