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2026-05-29 - 17:53
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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 Fri May 29, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3416602994946,2cyclictest3678413-21lspci12:01:041
3416602993228,2cyclictest0-21swapper/110:15:161
341660599262,21cyclictest3545602-21apt-get09:55:122
3416605992621,3cyclictest3422562-21apt-get07:20:132
3416605992618,6cyclictest702-21runrttasks08:50:112
341660599261,23cyclictest3591835-21cron10:40:002
341660599261,23cyclictest3565888-21apt-get10:15:122
341660299265,1cyclictest0-21swapper/111:55:111
341660999251,21cyclictest3530390-21apt-get09:40:123
3416605992521,2cyclictest41-21ksoftirqd/210:55:002
341660599251,5cyclictest3520766-21irqcore09:30:152
341660599251,4cyclictest3439698-21apt-get07:50:082
341660599251,20cyclictest0-21swapper/209:00:112
341660299251,21cyclictest3607252-21apt-get10:55:121
3416600992520,4cyclictest3709711-21apt-get12:33:300
3416609992420,3cyclictest3421649-21sh07:15:003
3416605992420,2cyclictest0-21swapper/208:35:002
3416605992420,2cyclictest0-21swapper/207:30:002
341660599240,20cyclictest0-21swapper/210:40:112
341660599240,20cyclictest0-21swapper/209:45:152
341660299242,2cyclictest3489014-21apt-get09:00:101
3416602992419,3cyclictest3434491-21tr07:40:151
341660299240,22cyclictest3471384-21chrt08:35:181
3416600992419,3cyclictest3648184-21apt-get11:35:110
3416600992419,3cyclictest3612307-21apt-get11:00:120
341660099241,21cyclictest3694771-21apt-get12:20:100
341660999231,2cyclictest3509684-21apt-get09:20:113
341660999231,2cyclictest0-21swapper/310:00:153
341660999231,1cyclictest3456205-21apt-get08:15:103
341660999230,21cyclictest514-21in:imuxsock08:50:003
341660999230,19cyclictest0-21swapper/307:30:123
3416605992320,2cyclictest3658300-21apt-get11:45:112
3416605992319,2cyclictest3540500-21apt-get09:50:102
3416605992319,2cyclictest0-21swapper/212:33:262
3416605992319,2cyclictest0-21swapper/208:55:122
3416605992318,3cyclictest514-21in:imuxsock10:30:002
3416605992318,3cyclictest3433710-21cron07:40:012
3416605992317,4cyclictest3560857-21apt-get10:10:122
341660599231,2cyclictest3445419-21apt-get08:00:122
341660599230,21cyclictest3582512-21irqcore10:30:142
341660599230,21cyclictest3519562-21cron09:29:592
3416602992319,2cyclictest3622413-21apt-get11:10:101
3416602992319,2cyclictest3504049-21wc09:15:001
341660299231,2cyclictest3689713-21apt-get12:15:111
341660299231,2cyclictest3653262-21apt-get11:40:111
341660299231,20cyclictest0-21swapper/107:50:081
341660299231,19cyclictest3602197-21apt-get10:50:111
341660299231,19cyclictest3592112-21apt-get10:40:121
341660299230,19cyclictest0-21swapper/109:45:161
3416600992321,1cyclictest3606974-21cron10:55:000
3416600992319,3cyclictest3504604-21apt-get09:15:110
3416600992318,3cyclictest3710135-21apt-get12:35:100
341660099231,2cyclictest3520263-21apt-get09:30:100
341660099231,2cyclictest3461925-21apt-get08:25:120
3416609992219,2cyclictest3663097-21munin-plugin-st11:50:003
3416609992219,2cyclictest0-21swapper/309:15:003
3416609992218,3cyclictest3519744-21apt-config09:30:013
3416609992218,2cyclictest516-21rs:main3
3416609992218,2cyclictest3483937-21apt-get08:55:113
341660999220,2cyclictest3570757-21https10:20:013
341660999220,2cyclictest3525342-21apt-get09:35:113
341660999220,19cyclictest0-21swapper/311:20:123
341660999220,19cyclictest0-21swapper/310:45:133
3416605992219,2cyclictest3694771-21apt-get12:20:102
3416605992219,2cyclictest0-21swapper/212:10:102
3416605992218,2cyclictest0-21swapper/209:05:172
3416605992218,2cyclictest0-21swapper/209:05:172
3416605992215,5cyclictest3673948-21cut12:00:152
341660599221,2cyclictest0-21swapper/212:15:112
341660599221,1cyclictest0-21swapper/208:25:112
341660599220,3cyclictest3467832-21fschecks_count08:35:132
3416602992219,2cyclictest3581336-21cron10:30:011
3416602992219,2cyclictest0-21swapper/112:33:261
3416602992219,1cyclictest0-21swapper/111:15:101
341660299220,20cyclictest3422286-21awk07:20:001
341660299220,20cyclictest0-21swapper/110:10:111
341660299220,20cyclictest0-21swapper/107:30:101
341660299220,19cyclictest3450495-21seq08:05:111
341660299220,19cyclictest0-21swapper/107:10:091
3416600992219,2cyclictest3514741-21apt-get09:25:110
3416600992218,2cyclictest3627467-21apt-get11:15:110
341660099221,20cyclictest3499105-21apt-get09:10:110
341660099221,1cyclictest3582020-21apt-get10:30:100
341660099221,1cyclictest3473352-21apt-get08:45:080
341660099221,19cyclictest3525342-21apt-get09:35:110
341660099220,2cyclictest3422565-21taskset07:20:120
3416609992119,1cyclictest0-21swapper/312:33:283
3416609992118,2cyclictest3647896-21cat11:35:003
3416609992118,2cyclictest3576547-21apt-get10:25:143
3416609992118,1cyclictest0-21swapper/312:35:153
3416609992118,1cyclictest0-21swapper/312:10:113
3416609992116,4cyclictest3550425-21cron10:00:003
341660999211,20cyclictest0-21swapper/309:45:253
341660999210,1cyclictest0-21swapper/310:10:123
341660999210,1cyclictest0-21swapper/308:05:113
3416605992119,1cyclictest0-21swapper/210:55:122
3416605992118,2cyclictest0-21swapper/209:40:112
3416605992118,2cyclictest0-21swapper/207:40:112
3416605992118,1cyclictest0-21swapper/208:15:102
341660599210,20cyclictest0-21swapper/211:00:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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