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2026-05-23 - 03:00
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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 Sat May 23, 2026 00:44:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1370829920,32sleep10-21swapper/119:06:151
181682930,8chrt18162-21apt-get23:50:140
132162916,73sleep013222-21ntp_states19:05:250
14241999072,12cyclictest14-21ksoftirqd/022:30:120
14241998434,44cyclictest0-21swapper/021:35:110
14241998337,39cyclictest1815-21taskset00:35:120
14241997947,19cyclictest32431-21apt-get23:00:120
14241997852,12cyclictest25914-21apt-get21:10:130
14241997656,12cyclictest0-21swapper/021:25:120
14241997647,13cyclictest17143-21apt-get20:45:120
14241997646,20cyclictest8368-21apt-get20:20:110
14241997646,15cyclictest10110-21apt-get20:25:140
14241997641,22cyclictest0-21swapper/023:35:110
14241997545,14cyclictest5577-21apt-get23:15:110
14241997538,26cyclictest0-21swapper/021:45:150
14241997537,26cyclictest0-21swapper/022:15:130
14246997440,23cyclictest26-21ksoftirqd/120:20:101
14241997453,10cyclictest14-21ksoftirqd/021:15:150
14241997440,26cyclictest0-21swapper/020:10:140
14241997347,14cyclictest16883-21apt-get19:15:270
14241997342,15cyclictest25678-21apt-get19:40:130
14241997342,15cyclictest25678-21apt-get19:40:130
14241997337,23cyclictest0-21swapper/020:55:130
14241997337,23cyclictest0-21swapper/020:15:130
14241997242,15cyclictest28935-21apt-get22:50:130
14241997237,22cyclictest0-21swapper/019:55:120
14246997141,10cyclictest26-21ksoftirqd/120:55:121
14241997143,17cyclictest32498-21apt-get00:30:130
14241997141,15cyclictest18882-21apt-get20:50:130
14241997140,23cyclictest0-21swapper/019:45:120
14241997139,25cyclictest0-21swapper/020:40:120
14241997137,27cyclictest0-21swapper/021:05:110
14241997136,23cyclictest0-21swapper/019:10:120
14246997041,10cyclictest26-21ksoftirqd/121:45:131
14246997038,11cyclictest26-21ksoftirqd/123:10:251
14241997039,24cyclictest0-21swapper/019:50:110
14241997035,25cyclictest7499-21apt-get21:50:150
14241997035,25cyclictest0-21swapper/021:20:140
14241997035,24cyclictest0-21swapper/022:55:130
14241997015,48cyclictest0-21swapper/000:10:230
14246996916,41cyclictest26-21ksoftirqd/123:35:471
14241996939,24cyclictest0-21swapper/023:10:230
14241996939,23cyclictest0-21swapper/022:20:140
14241996936,23cyclictest0-21swapper/022:35:130
14241996914,49cyclictest0-21swapper/023:55:120
1424199689,28cyclictest0-21swapper/020:30:130
14241996851,10cyclictest14-21ksoftirqd/022:10:230
14241996844,12cyclictest3101-21taskset20:05:260
14241996838,23cyclictest0-21swapper/020:35:110
14241996835,25cyclictest0-21swapper/000:00:120
14246996714,8cyclictest26-21ksoftirqd/119:36:331
1424199677,19cyclictest27194-21apt-get22:45:110
14241996738,24cyclictest0-21swapper/019:30:120
14241996738,24cyclictest0-21swapper/000:15:130
14241996738,22cyclictest0-21swapper/022:05:130
14241996737,18cyclictest0-21swapper/023:05:130
14241996731,31cyclictest24441-21grep00:05:350
14241996729,27cyclictest25456-21apt-get22:40:120
231512660,8chrt0-21swapper/021:00:320
14246996636,23cyclictest26-21ksoftirqd/100:13:331
14241996621,40cyclictest457-21dbus-daemon20:04:040
14241996540,11cyclictest427-21apt-get21:30:150
14246996423,24cyclictest8240-21date20:20:011
14246996413,39cyclictest26-21ksoftirqd/123:02:591
14241996443,12cyclictest23862-21apt-get19:35:110
14241996438,14cyclictest0-21swapper/022:25:120
14241996435,22cyclictest0-21swapper/023:25:110
14241996427,27cyclictest29022-21apt-get00:20:120
14241996422,36cyclictest5185-21runrttasks21:40:440
1424699636,52cyclictest0-21swapper/121:10:481
14246996333,18cyclictest26-21ksoftirqd/120:46:511
14241996335,15cyclictest0-21swapper/023:30:120
1424699628,39cyclictest151rcu_preempt20:45:001
14246996222,21cyclictest25269-21systemctl22:40:001
14241996216,41cyclictest0-21swapper/019:25:340
14246996135,9cyclictest26-21ksoftirqd/122:40:121
14246996135,21cyclictest26-21ksoftirqd/121:50:131
14246996129,18cyclictest26-21ksoftirqd/122:30:591
14241996138,12cyclictest0-21swapper/022:00:130
14241996135,16cyclictest0-21swapper/019:20:120
14241996134,16cyclictest0-21swapper/021:55:130
14246996012,43cyclictest0-21swapper/123:15:231
14241996033,21cyclictest0-21swapper/023:40:130
14241996031,16cyclictest16116-21apt-get23:45:130
1692025941,10sleep126-21ksoftirqd/122:15:221
14246995936,17cyclictest26-21ksoftirqd/120:04:131
14246995915,39cyclictest26-21ksoftirqd/120:30:191
14246995915,39cyclictest0-21swapper/119:40:311
14246995915,39cyclictest0-21swapper/119:40:311
14246995832,21cyclictest457-21dbus-daemon22:00:001
14246995813,40cyclictest0-21swapper/119:15:491
14241995835,13cyclictest0-21swapper/000:25:120
1424699573,7cyclictest151rcu_preempt22:28:351
14246995731,9cyclictest26-21ksoftirqd/100:15:141
14246995719,20cyclictest26-21ksoftirqd/100:07:491
14246995718,21cyclictest26-21ksoftirqd/100:22:261
14246995718,20cyclictest26-21ksoftirqd/123:07:321
14246995716,20cyclictest26-21ksoftirqd/100:29:111
14241995732,14cyclictest0-21swapper/023:20:130
14246995639,10cyclictest26-21ksoftirqd/119:10:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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