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2026-03-21 - 20:42
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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 Mar 21, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
291153399322,21cyclictest3003714-21apt-get08:40:130
2911541993028,1cyclictest0-21swapper/208:30:002
291154199261,21cyclictest2967463-21apt-get08:05:122
291153899262,21cyclictest2983050-21apt-get08:20:121
291153899262,21cyclictest2983050-21apt-get08:20:111
291153399260,24cyclictest261-21systemd-journal10:40:000
2911545992520,3cyclictest3153702-21apt-get11:05:113
2911545992520,3cyclictest3153702-21apt-get11:05:113
2911545992520,3cyclictest3064773-21apt-get09:40:113
291154599251,22cyclictest3169310-21irqcore11:20:173
291154599251,20cyclictest0-21swapper/310:25:133
291154599250,21cyclictest0-21swapper/311:50:123
291154599250,21cyclictest0-21swapper/307:55:133
291154199251,21cyclictest3080406-21apt-get09:55:142
291154199250,23cyclictest2957037-21idleruntime-cro07:55:002
291153899252,20cyclictest3158755-21apt-get11:10:121
2911538992521,2cyclictest2998638-21apt-get08:35:121
291153899251,20cyclictest0-21swapper/111:35:121
291153899250,22cyclictest3038966-21latency_hist09:15:011
2911533992519,5cyclictest3184519-21irqcore11:35:160
2911533992519,4cyclictest3106521-21apt-get10:20:130
291153399251,4cyclictest3249578-21cron12:39:590
2911545992420,2cyclictest516-21rs:main3
2911545992420,2cyclictest3049649-21apt-get09:25:133
291154599241,3cyclictest2952262-21apt-get07:50:123
291154599241,19cyclictest3143581-21apt-get10:55:023
291154599240,5cyclictest3117984-21irqcore10:30:163
291153899241,20cyclictest3085455-21apt-get10:00:131
291153399242,20cyclictest3199188-21apt-get11:50:120
2911533992420,3cyclictest3143621-21apt-get10:55:130
2911533992419,3cyclictest3158484-21awk11:10:000
2911533992419,3cyclictest3158484-21awk11:10:000
291153399241,21cyclictest3178950-21apt-get11:30:100
291154599231,2cyclictest3054701-21apt-get09:30:123
291154599230,21cyclictest3075816-21sort09:50:153
291154599230,20cyclictest0-21swapper/312:05:123
291154599230,20cyclictest0-21swapper/309:45:133
291154599230,20cyclictest0-21swapper/308:55:123
291154599230,20cyclictest0-21swapper/308:05:123
291154599230,20cyclictest0-21swapper/308:00:123
2911541992320,1cyclictest2932006-21apt-get07:30:132
291154199231,21cyclictest3068682-21ntpq09:40:202
291154199231,20cyclictest3112022-21apt-get10:25:142
291154199231,19cyclictest3122556-21apt-get10:35:112
291154199231,19cyclictest3028981-21apt-get09:05:122
291154199231,19cyclictest3018897-21apt-get08:55:112
291154199230,19cyclictest0-21swapper/209:35:112
2911538992320,1cyclictest3168820-21apt-get11:20:121
291153899231,2cyclictest3244777-21apt-get12:35:101
291153899231,21cyclictest3070253-21apt-get09:45:121
291153899231,19cyclictest3219461-21apt-get12:10:131
291153899230,20cyclictest0-21swapper/112:30:121
291153899230,20cyclictest0-21swapper/107:50:131
2911533992319,3cyclictest0-21swapper/007:50:130
2911533992318,3cyclictest2999121-21ps08:35:170
291153399231,2cyclictest2942108-21apt-get07:40:110
291153399231,21cyclictest3208168-21ntpq11:55:210
291153399231,20cyclictest3028981-21apt-get09:05:120
291153399230,21cyclictest3049367-21cron09:25:000
291153399230,21cyclictest3014339-21ps08:50:160
2911545992219,2cyclictest2993581-21apt-get08:30:113
2911545992219,2cyclictest0-21swapper/312:10:123
291154599221,20cyclictest0-21swapper/307:15:133
291154599220,20cyclictest0-21swapper/310:15:123
291154599220,19cyclictest0-21swapper/308:40:123
2911541992219,2cyclictest3136980-21ntpq10:45:202
2911541992219,2cyclictest3106521-21apt-get10:20:132
2911541992219,2cyclictest3095985-21apt-get10:10:112
2911541992219,2cyclictest0-21swapper/210:55:002
2911541992218,2cyclictest3194133-21apt-get11:45:112
2911541992218,2cyclictest3105013-21chrt10:15:222
291154199221,2cyclictest0-21swapper/211:00:012
291154199220,2cyclictest2951985-21idleruntime-cro07:50:002
291154199220,21cyclictest2912252-21grep07:10:162
291154199220,20cyclictest0-21swapper/212:20:132
291154199220,19cyclictest0-21swapper/211:00:112
2911538992219,2cyclictest3209057-21idleruntime-cro12:00:001
2911538992219,1cyclictest3090487-21apt-get10:05:121
2911538992217,3cyclictest3128131-21sed10:40:151
291153899221,2cyclictest3229574-21apt-get12:20:131
291153899220,3cyclictest3224516-21chrt12:15:091
291153899220,3cyclictest3033758-21cron09:10:001
291153899220,2cyclictest3143000-21awk10:55:001
291153899220,2cyclictest3069600-21apt-config09:45:011
291153899220,2cyclictest0-21swapper/107:40:111
291153899220,20cyclictest0-21swapper/107:10:111
291153899220,19cyclictest0-21swapper/111:40:101
291153899220,19cyclictest0-21swapper/111:30:111
291153899220,19cyclictest0-21swapper/111:00:111
291153899220,19cyclictest0-21swapper/108:55:111
291153899220,19cyclictest0-21swapper/107:30:131
2911533992218,2cyclictest3148670-21apt-get11:00:100
2911533992217,3cyclictest2998357-21cron08:35:000
291153399221,2cyclictest0-21swapper/009:15:110
291153399221,2cyclictest0-21swapper/008:00:120
291153399221,2cyclictest0-21swapper/007:45:120
291153399221,2cyclictest0-21swapper/007:30:130
291153399221,20cyclictest0-21swapper/011:20:120
291153399221,20cyclictest0-21swapper/008:25:130
291153399221,20cyclictest0-21swapper/007:10:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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