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2026-06-09 - 19:48
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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 Tue Jun 09, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3719946993331,1cyclictest3806277-21kworker/0:2+pm09:21:020
371995599272,21cyclictest3974332-21apt-get11:20:123
3719955992617,6cyclictest3812113-21ps08:40:163
371995599261,23cyclictest3989338-21apt-config11:35:003
371995599260,23cyclictest3908804-21ps10:15:153
371995199261,5cyclictest3801271-21sh08:30:002
3719955992522,2cyclictest136-1kworker/3:1H+kblockd09:21:023
3719955992520,3cyclictest3836906-21apt-get09:05:113
371995599251,20cyclictest4040919-21apt-get12:25:133
371995599251,20cyclictest4025780-21apt-get12:10:133
371995599251,20cyclictest0-21swapper/310:00:123
371995199251,21cyclictest4035889-21apt-get12:20:132
371995199251,20cyclictest3791391-21apt-get08:20:122
371994899250,5cyclictest3918921-21irqcore10:25:151
3719946992517,6cyclictest3979127-21cron11:25:000
371995599242,2cyclictest3750910-21apt-get07:40:113
371995599241,20cyclictest0-21swapper/309:30:113
371995599241,20cyclictest0-21swapper/309:10:123
371995599241,20cyclictest0-21swapper/307:35:113
371995599240,23cyclictest514-21in:imuxsock11:10:003
371995599240,22cyclictest3938414-21sh10:45:013
371995599240,21cyclictest0-21swapper/310:35:143
371995599240,20cyclictest0-21swapper/308:35:113
3719951992420,2cyclictest3725216-21apt-get07:15:122
3719951992419,2cyclictest0-21swapper/209:40:122
371995199240,4cyclictest1-21systemd07:25:012
371995199240,21cyclictest3934140-21ps10:40:182
371994899243,20cyclictest311ktimers/112:37:591
3719948992422,1cyclictest301rcuc/111:55:191
3719948992419,3cyclictest3821723-21apt-get08:50:121
3719946992420,2cyclictest3995031-21apt-get11:40:110
3719946992420,2cyclictest3964120-21apt-get11:10:100
371994699241,3cyclictest3908043-21cron10:15:000
371994699241,21cyclictest3826777-21apt-get08:55:120
371994699240,4cyclictest4015007-21dpkg12:00:010
371995599232,20cyclictest0-21swapper/308:50:003
3719955992319,3cyclictest3899165-21kthreadcore10:05:193
3719955992319,2cyclictest3730273-21apt-get07:20:123
3719955992319,2cyclictest0-21swapper/308:55:123
371995599231,3cyclictest0-21swapper/307:15:123
371995599231,2cyclictest4015649-21apt-get12:00:123
371995599231,2cyclictest3953935-21apt-get11:00:123
371995599231,2cyclictest3888028-21apt-get09:55:133
371995599231,2cyclictest3872816-21apt-get09:40:123
371995599231,20cyclictest0-21swapper/310:25:113
371995599231,20cyclictest0-21swapper/308:05:173
371995599230,20cyclictest64-21kcompactd011:50:093
371995599230,20cyclictest4000109-21apt-get11:45:123
371995599230,20cyclictest0-21swapper/309:35:123
371995599230,20cyclictest0-21swapper/308:15:133
371995599230,20cyclictest0-21swapper/307:50:133
371995199231,2cyclictest3881784-21ntpq09:45:212
371995199231,19cyclictest0-21swapper/208:35:112
371995199230,3cyclictest3947711-21seq10:50:222
371995199230,21cyclictest3831576-21cron09:00:002
371995199230,20cyclictest0-21swapper/208:30:122
3719948992320,2cyclictest3984479-21apt-get11:30:121
3719948992320,2cyclictest3761040-21apt-get07:50:131
3719948992319,2cyclictest3989978-21apt-get11:35:111
3719948992319,2cyclictest3989978-21apt-get11:35:111
3719948992319,2cyclictest3730273-21apt-get07:20:121
3719948992318,3cyclictest3736273-21cut07:25:141
371994899231,2cyclictest3938684-21apt-get10:45:121
371994899231,2cyclictest3893119-21apt-get10:00:121
371994899231,2cyclictest3806597-21apt-get08:35:111
371994899231,20cyclictest3786313-21apt-get08:15:131
371994899230,21cyclictest4050755-21idleruntime-cro12:35:001
3719946992320,2cyclictest3877868-21apt-get09:45:130
3719946992320,2cyclictest3735771-21apt-get07:25:110
3719946992319,2cyclictest4040644-21sh12:25:000
3719946992319,2cyclictest4030832-21apt-get12:15:120
3719946992319,2cyclictest4005140-21apt-get11:50:110
371994699231,2cyclictest3740825-21apt-get07:30:110
371994699231,2cyclictest0-21swapper/007:35:120
371994699231,21cyclictest4020700-21apt-get12:05:100
371994699231,20cyclictest3806597-21apt-get08:35:110
371994699231,20cyclictest0-21swapper/011:15:140
371994699230,21cyclictest702-21runrttasks09:00:100
371994699230,21cyclictest702-21runrttasks09:00:090
371994699230,21cyclictest3984862-21hddtemp_smartct11:30:160
3719955992220,1cyclictest64-21kcompactd007:11:393
3719955992219,2cyclictest0-21swapper/310:45:113
3719955992219,2cyclictest0-21swapper/308:50:123
3719955992219,1cyclictest0-21swapper/308:00:123
3719955992218,2cyclictest3741313-21grep07:30:163
3719955992218,2cyclictest0-21swapper/312:05:113
371995599220,20cyclictest3974063-21sh11:20:003
371995599220,19cyclictest0-21swapper/312:35:143
3719951992219,2cyclictest3983298-21ntpq11:25:202
3719951992219,2cyclictest3841683-21cron09:10:002
3719951992218,2cyclictest4014046-21ntpq11:55:222
371995199220,2cyclictest3867722-21/usr/sbin/munin09:35:232
371995199220,20cyclictest3928296-21cron10:34:592
371995199220,20cyclictest0-21swapper/212:35:132
371995199220,19cyclictest0-21swapper/211:50:122
371995199220,19cyclictest0-21swapper/211:35:102
371995199220,19cyclictest0-21swapper/211:35:102
371995199220,19cyclictest0-21swapper/211:00:112
371994899222,1cyclictest3944246-21grep10:50:171
3719948992220,1cyclictest32-21ksoftirqd/112:15:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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