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2026-05-08 - 17:31
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack3slot6.osadl.org (updated Fri May 08, 2026 12:45:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25713997946,10cyclictest26-21ksoftirqd/108:05:121
2554227920,51sleep00-21swapper/007:09:460
2571399767,13cyclictest26-21ksoftirqd/107:38:241
317992740,10sleep126-21ksoftirqd/111:55:101
25713997445,11cyclictest26-21ksoftirqd/110:45:111
25708997315,51cyclictest0-21swapper/007:10:100
2429327233,26sleep10-21swapper/107:05:171
25708997038,17cyclictest14-21ksoftirqd/008:15:100
2571399685,43cyclictest26-21ksoftirqd/107:50:101
25708996834,24cyclictest13959-21apt-get11:05:140
25708996823,14cyclictest4706-21diskmemload09:10:250
25713996723,38cyclictest26-21ksoftirqd/108:20:371
25713996723,38cyclictest26-21ksoftirqd/108:20:371
25713996720,10cyclictest26-21ksoftirqd/109:30:361
25708996713,47cyclictest0-21swapper/011:15:110
25708996648,9cyclictest14-21ksoftirqd/007:50:100
25708996622,37cyclictest26544-21aten2.4_r3power10:10:150
25708996513,44cyclictest6886-21apt-get07:45:150
25713996434,11cyclictest26-21ksoftirqd/108:15:121
25708996431,24cyclictest10422-21apt-get09:25:130
25708996428,22cyclictest13902-21apt-get09:35:130
25713996338,10cyclictest26-21ksoftirqd/107:30:131
2571399633,47cyclictest4048-21taskset12:05:521
2570899634,21cyclictest21026-21apt-get08:25:130
25708996337,17cyclictest4848-21apt-get07:40:110
25708996336,17cyclictest20925-21apt-get09:55:100
25708996330,23cyclictest1159-21apt-get07:30:120
25708996324,33cyclictest0-21swapper/011:55:120
25713996224,16cyclictest26-21ksoftirqd/108:32:141
25708996240,16cyclictest14-21ksoftirqd/009:00:140
25708996234,15cyclictest23031-21apt-get11:30:110
25708996232,17cyclictest0-21swapper/012:00:120
25708996232,17cyclictest0-21swapper/012:00:120
25708996232,16cyclictest12221-21apt-get11:00:130
2571399616,10cyclictest0-21swapper/108:45:361
25713996131,17cyclictest26-21ksoftirqd/109:15:191
25713996115,41cyclictest0-21swapper/110:50:401
25713996115,40cyclictest0-21swapper/110:55:301
25713996114,42cyclictest0-21swapper/109:45:131
2570899614,51cyclictest12428-21apt-get08:00:100
25708996135,17cyclictest16049-21apt-get11:10:240
25708996135,14cyclictest24732-21apt-get10:05:130
25708996129,20cyclictest30029-21apt-get10:20:110
25708996127,22cyclictest0-21swapper/012:30:230
25708996117,16cyclictest0-21swapper/012:35:200
2571399609,17cyclictest26-21ksoftirqd/108:02:261
25713996015,10cyclictest0-21swapper/111:35:291
25713996014,41cyclictest0-21swapper/112:35:081
25713996013,42cyclictest0-21swapper/107:20:401
25713996011,37cyclictest26-21ksoftirqd/109:22:021
25708996028,20cyclictest24977-21/usr/sbin/munin08:35:210
25708996019,35cyclictest0-21swapper/008:30:130
25708996016,36cyclictest0-21swapper/011:50:120
25713995926,21cyclictest26-21ksoftirqd/110:27:561
25708995935,11cyclictest14170-21apt-get08:05:120
25708995930,17cyclictest28263-21apt-get10:15:110
25708995917,36cyclictest9971-21aten2.4-expect12:25:150
25708995917,36cyclictest9971-21aten2.4-expect12:25:150
25713995812,41cyclictest0-21swapper/111:40:301
25713995812,41cyclictest0-21swapper/110:05:371
25708995836,13cyclictest8687-21apt-get09:20:140
25708995832,15cyclictest0-21swapper/009:50:100
25708995832,13cyclictest32013-21apt-get08:55:110
25708995831,16cyclictest0-21swapper/008:45:150
25708995828,16cyclictest15712-21apt-get09:40:120
25708995826,25cyclictest0-21swapper/010:25:120
25708995826,23cyclictest0-21swapper/009:30:120
25708995814,23cyclictest10290-21cron10:55:000
2571399578,15cyclictest26-21ksoftirqd/110:40:201
2571399576,46cyclictest0-21swapper/109:05:361
2571399576,14cyclictest26-21ksoftirqd/109:55:271
2571399572,19cyclictest26-21ksoftirqd/108:55:231
25713995712,8cyclictest151rcu_preempt08:40:351
25713995712,40cyclictest0-21swapper/108:25:171
25713995710,31cyclictest26-21ksoftirqd/111:05:151
2570899573,48cyclictest5386-21ntp_states12:10:260
25708995734,18cyclictest4424-31find07:38:520
25708995731,15cyclictest15960-21apt-get08:10:130
25708995724,25cyclictest30275-21apt-get08:50:120
25708995722,26cyclictest0-21swapper/010:55:120
25708995719,33cyclictest455-21rs:main0
2571399569,15cyclictest26-21ksoftirqd/112:25:191
2571399569,15cyclictest26-21ksoftirqd/112:25:191
2571399568,15cyclictest26-21ksoftirqd/112:15:551
2571399568,15cyclictest26-21ksoftirqd/112:15:551
25713995619,15cyclictest26-21ksoftirqd/111:34:011
25713995618,21cyclictest26-21ksoftirqd/109:42:511
25713995610,41cyclictest0-21swapper/110:20:201
25708995638,10cyclictest3083-21apt-get09:05:120
2570899563,47cyclictest29175-21python311:45:340
25708995630,15cyclictest0-21swapper/008:20:110
25708995630,15cyclictest0-21swapper/008:20:110
25708995630,13cyclictest21289-21apt-get11:25:120
25708995629,13cyclictest28040-21apt-get07:15:120
25708995628,15cyclictest1081-21apt-get10:30:130
25708995627,16cyclictest22989-21apt-get10:00:220
2571399559,14cyclictest26-21ksoftirqd/110:30:331
2571399558,15cyclictest26-21ksoftirqd/111:00:111
2571399558,14cyclictest26-21ksoftirqd/111:20:361
25713995521,30cyclictest0-21swapper/111:49:391
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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