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2026-01-09 - 00:56
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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 Thu Jan 08, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
527963993229,2cyclictest656000-21fwupd09:18:012
527962993228,3cyclictest635156-21sh09:00:011
52797099311,2cyclictest500-21dbus-daemon11:45:013
52797099311,2cyclictest500-21dbus-daemon11:45:013
52796399311,29cyclictest821709-21idleruntime-cro12:10:002
52797099291,26cyclictest0-21swapper/310:30:103
52797099291,21cyclictest729105-21apt-get10:35:113
52797099271,2cyclictest528522-21apt-get07:10:113
52797099270,1cyclictest0-21swapper/307:20:173
52796099270,24cyclictest64-21kcompactd010:56:390
52797099260,20cyclictest0-21swapper/308:20:103
52797099260,19cyclictest0-21swapper/307:45:113
52796099262,3cyclictest698624-21apt-get10:05:120
52796099261,22cyclictest578834-21munin-run08:00:000
527970992510,5cyclictest261-21systemd-journal12:04:593
52797099250,19cyclictest640508-21apt-get09:05:103
52796299251,21cyclictest620311-21apt-get08:45:111
52796299251,21cyclictest620311-21apt-get08:45:101
52796099252,21cyclictest543713-21apt-get07:25:120
527960992521,2cyclictest553843-21apt-get07:35:100
52796099251,22cyclictest769656-21chrt11:15:180
52796099251,22cyclictest718969-21apt-get10:25:120
52796099250,23cyclictest676978-21dpkg09:40:000
527970992416,7cyclictest0-21swapper/309:30:203
52797099241,20cyclictest755614-21apt-get11:05:123
527970992411,2cyclictest589677-21latency_hist08:15:003
52797099240,21cyclictest0-21swapper/308:25:113
52796399241,20cyclictest635431-21apt-get09:00:112
527962992420,2cyclictest600031-21apt-get08:25:111
527962992418,4cyclictest832550-21grep12:20:151
52796299241,20cyclictest677621-21apt-get09:40:131
52796299241,20cyclictest645712-21apt-get09:10:121
52796299241,20cyclictest615237-21apt-get08:40:101
52796299241,20cyclictest579098-21apt-get08:00:141
527960992421,2cyclictest625343-21apt-get08:50:110
527960992421,2cyclictest261-21systemd-journal09:25:000
527960992420,2cyclictest842160-21apt-get12:30:110
527960992418,4cyclictest733901-21apt10:39:590
52796099241,3cyclictest682448-21apt09:45:000
52796099241,2cyclictest558898-21apt-get07:40:110
52796099241,21cyclictest724036-21apt-get10:30:110
527970992319,3cyclictest0-21swapper/311:20:113
527970992319,3cyclictest0-21swapper/309:10:123
52797099231,19cyclictest574038-21apt-get07:55:123
52797099230,21cyclictest554342-21grep07:35:143
52797099230,19cyclictest0-21swapper/310:00:073
52796399231,20cyclictest708803-21apt-get10:15:082
52796399231,20cyclictest645041-21apt-get09:05:522
52796399231,19cyclictest0-21swapper/207:55:112
52796399230,21cyclictest682439-21sh09:45:012
52796399230,20cyclictest0-21swapper/211:55:102
527962992320,1cyclictest811835-21apt-get12:00:101
527962992319,2cyclictest847214-21apt-get12:35:121
527962992319,2cyclictest538636-21apt-get07:20:121
527962992319,2cyclictest0-21swapper/109:30:021
52796299231,2cyclictest639351-21ntpq09:00:201
52796299230,3cyclictest578812-21cron08:00:001
52796299230,20cyclictest64-21kcompactd011:25:081
527960992320,2cyclictest739687-21apt-get10:45:100
527960992320,1cyclictest806758-21apt-get11:55:110
527960992319,2cyclictest651313-21apt-get09:15:110
527960992319,2cyclictest0-21swapper/008:20:110
527960992317,4cyclictest836838-21sh12:25:010
52796099231,2cyclictest781042-21apt-get11:30:110
52796099231,2cyclictest770869-21apt-get11:20:110
52796099231,2cyclictest708803-21apt-get10:15:090
52796099231,2cyclictest0-21swapper/012:10:110
52796099231,2cyclictest0-21swapper/007:10:110
52796099231,21cyclictest0-21swapper/008:30:140
52796099231,20cyclictest734172-21apt-get10:40:100
52796099230,2cyclictest635171-21munin-run09:00:010
527970992219,2cyclictest655296-21ntpq09:15:203
527970992219,1cyclictest821965-21apt-get12:10:103
527970992217,3cyclictest544204-21irqcore07:25:163
527970992215,6cyclictest0-21swapper/312:15:193
527970992213,8cyclictest0-21swapper/311:30:003
52797099220,20cyclictest821717-21basename12:10:003
52797099220,20cyclictest0-21swapper/312:30:103
527963992219,2cyclictest698383-21unin-run10:05:002
527963992219,2cyclictest0-21swapper/212:10:112
527963992218,2cyclictest672128-21apt-get09:35:112
527963992217,2cyclictest0-21swapper/210:50:102
52796399220,2cyclictest620041-21sh08:45:002
52796399220,19cyclictest693272-21idleruntime-cro10:00:012
52796399220,19cyclictest0-21swapper/212:20:112
52796399220,19cyclictest0-21swapper/210:20:112
52796399220,19cyclictest0-21swapper/208:00:142
52796399220,19cyclictest0-21swapper/207:15:112
527962992219,2cyclictest713648-21basename10:20:011
52796299221,1cyclictest765768-21apt-get11:15:111
52796299220,3cyclictest795884-21cron11:45:001
52796299220,3cyclictest795884-21cron11:44:591
52796299220,21cyclictest660489-21ntpq09:20:211
527960992219,2cyclictest0-21swapper/011:50:110
527960992219,2cyclictest0-21swapper/011:50:100
52796099221,2cyclictest661591-21apt-get09:25:110
52796099221,20cyclictest0-21swapper/011:00:080
52796099220,21cyclictest0-21swapper/012:15:110
52796099220,21cyclictest0-21swapper/009:30:110
52796099220,20cyclictest0-21swapper/008:35:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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