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2026-04-25 - 04:38
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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 Apr 25, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3380975995148,2cyclictest3554098-21fwupd22:00:022
3380973993627,7cyclictest0-21swapper/120:15:191
338097399320,22cyclictest3548960-21cron21:54:591
338097399301,21cyclictest3713690-21apt-get00:35:121
3380979992918,10cyclictest261-21systemd-journal21:54:593
338097999290,28cyclictest0-21swapper/319:45:013
338097399291,3cyclictest3610119-21apt-get22:55:111
338097399291,3cyclictest3610119-21apt-get22:55:111
338097399291,26cyclictest0-21swapper/119:35:111
3380979992819,8cyclictest0-21swapper/320:15:193
3380973992818,7cyclictest0-21swapper/120:05:001
338097399281,3cyclictest64-21kcompactd000:14:401
338097399281,2cyclictest3498032-21apt-get21:05:101
338097399281,20cyclictest0-21swapper/119:12:321
338097999270,2cyclictest3539580-21tr21:45:183
3380973992719,6cyclictest3471649-21/usr/sbin/munin20:35:211
338097399271,2cyclictest0-21swapper/119:15:131
338097399271,22cyclictest3697644-21apt-get00:20:121
338097399271,22cyclictest3411507-21apt-get19:40:111
338097399270,1cyclictest0-21swapper/122:45:241
338097999261,1cyclictest0-21swapper/319:15:123
338097599261,21cyclictest3508166-21apt-get21:15:122
338097399262,21cyclictest3708575-21apt-get00:30:121
3380973992618,6cyclictest0-21swapper/121:25:121
338097399261,2cyclictest0-21swapper/123:45:131
338097399261,22cyclictest3513221-21apt-get21:20:091
338097399261,21cyclictest3523780-21apt-get21:30:131
338097399261,21cyclictest3436777-21apt-get20:05:121
338097399261,21cyclictest0-21swapper/122:25:131
338097399260,20cyclictest0-21swapper/123:05:011
3380979992519,5cyclictest3620028-21https23:04:593
338097999251,21cyclictest3605052-21apt-get22:50:113
338097999250,19cyclictest0-21swapper/323:20:133
338097599251,20cyclictest0-21swapper/200:00:112
3380973992520,3cyclictest3492978-21apt-get21:00:121
3380973992520,3cyclictest3401421-21apt-get19:30:121
338097399251,4cyclictest3472717-21apt-get20:40:111
338097399251,21cyclictest3503089-21apt-get21:10:111
338097399251,21cyclictest0-21swapper/121:40:131
338097399251,20cyclictest0-21swapper/122:20:111
338097399250,1cyclictest0-21swapper/123:15:161
338096999252,21cyclictest3584828-21apt-get22:30:120
338096999251,22cyclictest3677378-21apt-get00:00:110
338096999251,21cyclictest3538802-21cron21:45:010
338096999250,22cyclictest3431475-21sh19:59:590
338097999242,20cyclictest3533956-21apt-get21:40:133
3380979992420,2cyclictest3436777-21apt-get20:05:123
3380979992416,5cyclictest0-21swapper/320:04:093
3380979992415,7cyclictest3406455-21chrt19:35:113
338097999241,20cyclictest0-21swapper/300:20:123
338097999240,20cyclictest0-21swapper/320:40:113
338097599241,2cyclictest3594939-21apt-get22:40:122
338097599241,21cyclictest261-21systemd-journal20:00:002
338097599240,21cyclictest3575180-21cut22:20:142
3380973992419,3cyclictest0-21swapper/123:55:131
338097399241,20cyclictest0-21swapper/120:35:001
338097399241,20cyclictest0-21swapper/100:00:101
338097399241,19cyclictest0-21swapper/123:25:121
338096999242,2cyclictest3528879-21apt-get21:35:110
3380969992421,2cyclictest3687266-21apt00:10:000
3380969992420,2cyclictest3446977-21apt-get20:15:140
3380969992420,2cyclictest3441876-21apt-get20:10:120
338096999241,21cyclictest3703098-21apt-get00:25:130
338097999232,19cyclictest3549231-21apt-get21:55:123
3380979992317,4cyclictest0-21swapper/300:35:123
3380979992314,7cyclictest3662606-21sed23:45:173
338097999230,21cyclictest3467030-21apt-key20:35:003
338097999230,20cyclictest3381192-21chrt19:10:113
338097999230,20cyclictest0-21swapper/323:05:113
338097999230,20cyclictest0-21swapper/319:30:113
338097999230,1cyclictest64-21kcompactd021:01:393
338097599232,20cyclictest3625737-21apt-get23:10:102
338097599232,1cyclictest3421661-21apt-get19:50:122
3380975992320,1cyclictest3640949-21apt-get23:25:122
3380975992320,1cyclictest3381189-21apt-get19:10:112
3380975992319,3cyclictest3600478-21irqcore22:45:192
3380975992318,3cyclictest3580259-21grep22:25:172
338097599231,20cyclictest0-21swapper/222:30:122
338097599230,20cyclictest0-21swapper/222:52:572
338097599230,20cyclictest0-21swapper/221:20:092
338097599230,20cyclictest0-21swapper/220:30:122
3380973992319,3cyclictest0-21swapper/120:20:101
3380973992319,3cyclictest0-21swapper/120:20:101
3380973992318,3cyclictest0-21swapper/120:10:111
338097399231,2cyclictest0-21swapper/123:35:111
338097399231,2cyclictest0-21swapper/122:50:231
338097399231,2cyclictest0-21swapper/122:10:291
338097399231,21cyclictest64-21kcompactd022:08:191
338097399231,20cyclictest3569596-21apt-get22:15:121
3380973992311,2cyclictest0-21swapper/121:15:151
338097399230,20cyclictest0-21swapper/119:45:121
3380969992320,2cyclictest3599988-21apt-get22:45:150
3380969992319,2cyclictest3595429-21irqcore22:40:150
3380969992319,2cyclictest0-21swapper/022:25:160
3380969992318,3cyclictest3482850-21apt-get20:50:100
338096999231,20cyclictest3477775-21apt-get20:45:140
338096999231,20cyclictest0-21swapper/022:20:150
338096999230,20cyclictest0-21swapper/023:15:120
338096999230,1cyclictest3635880-21apt-get23:20:110
338096999230,1cyclictest0-21swapper/021:55:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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