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2026-08-22 - 16:39
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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 Aug 22, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
357993899272,21cyclictest3666786-21apt-get08:35:133
357993899271,22cyclictest3626232-21apt-get07:55:123
357993899260,23cyclictest3738837-21taskset09:45:123
3579934992623,2cyclictest0-21swapper/212:10:002
357993499261,22cyclictest3600912-21apt-get07:30:132
357993099262,21cyclictest3769718-21apt-get10:15:131
357993099261,21cyclictest3866710-21apt-get11:50:131
357993099261,21cyclictest3866710-21apt-get11:50:121
357992899262,22cyclictest3702835-21apt-get09:10:110
357992899261,23cyclictest3738834-21apt-get09:45:130
357993899251,20cyclictest3646484-21apt-get08:15:123
357993899250,4cyclictest3692389-21cron09:00:003
3579930992521,2cyclictest3692669-21apt-get09:00:121
357992899252,21cyclictest3728606-21apt-get09:35:110
3579928992520,3cyclictest3718471-21apt-get09:25:140
357992899251,22cyclictest3902361-21apt-get12:25:140
357992899251,22cyclictest3789789-21sh10:35:010
357992899250,23cyclictest3851993-21tr11:35:170
3579938992420,2cyclictest3754107-21apt-get10:00:123
357993899241,20cyclictest0-21swapper/308:50:123
3579934992419,3cyclictest3733702-21apt-get09:40:152
3579934992419,3cyclictest3585255-21apt-get07:15:122
357993499241,20cyclictest3651578-21apt-get08:20:112
357993499241,20cyclictest0-21swapper/211:15:142
357993499241,20cyclictest0-21swapper/210:45:142
3579930992420,2cyclictest3815451-21apt-get11:00:121
3579930992419,3cyclictest3897269-21apt-get12:20:121
357993099241,20cyclictest3611072-21apt-get07:40:131
357993099240,4cyclictest3759657-21irqcore10:05:161
357992899242,2cyclictest3712954-21apt-get09:20:120
3579928992419,3cyclictest3621188-21apt-get07:50:120
357992899241,3cyclictest3897269-21apt-get12:20:120
357992899241,3cyclictest0-21swapper/012:00:130
357992899241,20cyclictest0-21swapper/009:05:140
357992899241,20cyclictest0-21swapper/009:05:130
357992899240,22cyclictest3797409-21sed10:40:170
357993899231,2cyclictest3759175-21apt-get10:05:113
357993899230,21cyclictest3769085-21apt-key10:15:013
357993899230,21cyclictest3646213-21awk08:14:593
357993899230,20cyclictest0-21swapper/312:20:133
357993899230,20cyclictest0-21swapper/312:00:123
357993899230,20cyclictest0-21swapper/308:45:113
3579934992320,2cyclictest3830413-21idleruntime-cro11:15:002
3579934992320,2cyclictest3595418-21apt-get07:25:112
3579934992319,2cyclictest3605982-21apt-get07:35:132
3579934992318,3cyclictest3764720-21irqcore10:10:162
357993499231,20cyclictest3835782-21apt-get11:20:122
357993499231,20cyclictest3670754-21ntpq08:35:232
357993499231,19cyclictest0-21swapper/209:20:122
357993499230,20cyclictest64-21kcompactd010:35:112
357993499230,20cyclictest0-21swapper/209:55:132
3579930992320,1cyclictest3687579-21apt-get08:55:121
3579930992319,2cyclictest3779911-21apt-get10:25:131
357993099231,2cyclictest3707882-21apt-get09:15:141
357993099230,20cyclictest3580139-21apt-get07:10:111
357993099230,20cyclictest0-21swapper/107:30:131
3579928992321,1cyclictest1-21systemd12:35:010
3579928992320,2cyclictest0-21swapper/009:40:130
3579928992319,2cyclictest3912541-21apt-get12:35:110
3579928992318,3cyclictest3830688-21apt-get11:15:140
3579928992318,3cyclictest3820526-21sshd11:05:140
3579928992318,3cyclictest3682060-21apt-get08:50:130
357992899231,2cyclictest0-21swapper/009:15:140
357992899231,21cyclictest0-21swapper/010:39:300
357992899231,20cyclictest0-21swapper/012:15:120
357992899231,20cyclictest0-21swapper/011:55:120
357992899230,3cyclictest3595143-21cron07:25:000
357992899230,21cyclictest3784699-21cron10:30:000
357992899230,21cyclictest3615868-21cron07:45:000
357993899223,1cyclictest0-21swapper/311:30:133
3579938992219,2cyclictest3871533-21sh11:55:003
3579938992219,2cyclictest3871533-21sh11:54:593
3579938992219,2cyclictest0-21swapper/309:40:143
3579938992219,2cyclictest0-21swapper/307:25:123
3579938992218,2cyclictest3774815-21apt-get10:20:113
3579938992217,2cyclictest0-21swapper/310:40:133
357993899221,20cyclictest3794017-21ntpq10:35:213
357993899220,2cyclictest3590082-21cron07:20:003
357993899220,2cyclictest0-21swapper/307:40:133
357993899220,21cyclictest3903308-21ps12:25:193
357993899220,20cyclictest0-21swapper/311:10:113
357993899220,20cyclictest0-21swapper/309:50:113
357993899220,20cyclictest0-21swapper/308:05:133
357993899220,19cyclictest0-21swapper/312:10:133
357993899220,19cyclictest0-21swapper/310:45:133
357993899220,19cyclictest0-21swapper/310:25:143
357993899220,19cyclictest0-21swapper/308:00:133
3579934992219,2cyclictest3880853-21ntpq12:00:212
3579934992219,2cyclictest0-21swapper/210:40:132
3579934992218,2cyclictest3861663-21apt-get11:45:122
3579934992218,2cyclictest3611561-21grep07:40:172
357993499221,20cyclictest3896118-21ntpq12:15:212
357993499221,20cyclictest0-21swapper/209:25:152
357993499220,21cyclictest0-21swapper/207:50:212
357993499220,20cyclictest0-21swapper/212:25:132
357993499220,20cyclictest0-21swapper/208:50:122
357993499220,20cyclictest0-21swapper/208:10:122
357993499220,19cyclictest0-21swapper/210:25:132
3579930992218,3cyclictest3746189-21ps09:50:161
3579930992218,2cyclictest3795182-21apt-get10:40:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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