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2026-05-09 - 19:08
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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 May 09, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
276600993313,2cyclictest520693-21unixbench_multi11:05:243
27660099272,21cyclictest460409-21apt-get10:10:143
27660099271,22cyclictest593211-21apt-get12:20:093
27659799261,21cyclictest312829-21apt-get07:45:122
27659099262,21cyclictest475578-21apt-get10:25:140
27659099262,21cyclictest328012-21apt-get08:00:120
27659099262,21cyclictest328012-21apt-get08:00:110
27659099261,22cyclictest261-21systemd-journal10:20:000
27660099251,21cyclictest552639-21apt-get11:40:123
27659399252,21cyclictest521428-21apt-get11:10:101
27659399252,20cyclictest567848-21apt-get11:55:121
27659399252,20cyclictest363493-21apt-get08:35:131
27659099252,21cyclictest557716-21apt-get11:45:110
27659099251,4cyclictest429596-21apt-get09:40:130
27659099251,3cyclictest562773-21apt-get11:50:120
27659099251,3cyclictest378673-21apt-get08:50:110
27659099251,22cyclictest547584-21apt-get11:35:100
27659099251,22cyclictest302668-21apt-get07:35:120
27659099250,23cyclictest546885-21cron11:35:010
27660099242,2cyclictest583035-21apt-get12:10:123
276600992420,2cyclictest603395-21apt-get12:30:123
27660099241,20cyclictest348284-21apt-get08:20:133
276590992420,3cyclictest424518-21apt-get09:35:120
27659099241,3cyclictest455307-21apt-get10:05:110
27659099241,3cyclictest343209-21apt-get08:15:120
27659099241,21cyclictest536625-21apt-get11:25:120
27659099241,21cyclictest292553-21cut07:25:160
276600992319,2cyclictest0-21swapper/310:25:143
276600992318,3cyclictest485636-21apt-get10:35:113
27660099230,21cyclictest541786-21apt-config11:30:013
27660099230,20cyclictest276806-21apt-get07:10:123
27660099230,20cyclictest0-21swapper/310:00:093
27660099230,20cyclictest0-21swapper/309:20:133
276597992319,2cyclictest338167-21apt-get08:10:122
27659799231,20cyclictest396029-21ps09:05:192
27659799230,4cyclictest577686-21awk12:05:012
27659799230,3cyclictest358155-21grep08:30:002
27659799230,19cyclictest0-21swapper/209:40:132
27659399231,2cyclictest556544-21ntpq11:40:201
27659399231,2cyclictest408956-21apt-get09:20:121
27659399230,22cyclictest408693-21awk09:20:001
276590992319,2cyclictest515195-21ntpq11:00:180
276590992319,2cyclictest0-21swapper/008:40:110
27659099231,2cyclictest0-21swapper/008:10:130
27659099231,2cyclictest0-21swapper/007:30:220
27659099231,21cyclictest373598-21apt-get08:45:110
27659099231,20cyclictest286968-21apt-get07:20:110
27659099230,3cyclictest444579-21munin-run09:54:590
276600992218,2cyclictest572638-21cron12:00:013
27660099221,1cyclictest0-21swapper/310:50:113
27660099221,19cyclictest496156-21apt-get10:45:113
27660099221,19cyclictest496156-21apt-get10:45:103
27660099221,19cyclictest307476-21cron07:40:003
27660099221,19cyclictest0-21swapper/311:20:123
27660099220,3cyclictest481104-21grep10:30:153
27660099220,2cyclictest567585-21idleruntime-cro11:55:013
27660099220,20cyclictest547587-21taskset11:35:113
27660099220,20cyclictest0-21swapper/312:15:113
27660099220,19cyclictest0-21swapper/309:00:113
27660099220,19cyclictest0-21swapper/308:45:113
27660099220,19cyclictest0-21swapper/307:35:003
276597992218,2cyclictest486125-21tr10:35:152
276597992218,2cyclictest439747-21apt-get09:50:112
27659799221,2cyclictest511321-21apt-get11:00:102
27659799221,1cyclictest598295-21apt-get12:25:122
27659799220,19cyclictest0-21swapper/211:25:122
276593992219,2cyclictest0-21swapper/108:40:121
276593992219,1cyclictest470521-21apt-get10:20:111
276593992218,2cyclictest587877-21idleruntime-cro12:15:001
276593992217,4cyclictest363215-21cron08:35:001
27659399221,2cyclictest480604-21apt-get10:30:121
27659399221,20cyclictest64-21kcompactd007:54:321
27659399220,2cyclictest486138-21irqcore10:35:151
27659399220,2cyclictest440235-21grep09:50:151
27659399220,21cyclictest546926-21/usr/sbin/munin11:35:011
27659399220,20cyclictest501211-21apt-get10:50:101
27659399220,20cyclictest434670-21apt-get09:45:101
27659399220,20cyclictest0-21swapper/109:40:131
27659399220,19cyclictest0-21swapper/107:20:111
276590992219,1cyclictest0-21swapper/010:35:120
276590992219,1cyclictest0-21swapper/010:10:140
276590992218,3cyclictest445226-21apt-get09:55:140
276590992217,2cyclictest0-21swapper/007:40:120
27659099221,2cyclictest0-21swapper/008:05:140
27659099221,20cyclictest0-21swapper/009:48:320
27659099221,20cyclictest0-21swapper/009:20:240
27659099221,20cyclictest0-21swapper/009:09:160
27659099221,20cyclictest0-21swapper/007:59:550
27659099221,1cyclictest383703-21apt-get08:55:110
27659099220,2cyclictest0-21swapper/012:05:110
27659099220,21cyclictest0-21swapper/012:10:110
27659099220,21cyclictest0-21swapper/007:10:130
27659099220,20cyclictest0-21swapper/011:55:120
27659099220,20cyclictest0-21swapper/010:40:030
27659099220,19cyclictest0-21swapper/010:20:110
276600992119,1cyclictest433695-21modprobe09:40:253
276600992119,1cyclictest0-21swapper/310:15:113
276600992119,1cyclictest0-21swapper/308:25:143
276600992118,2cyclictest0-21swapper/309:10:133
276600992118,1cyclictest0-21swapper/312:00:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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