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2026-05-30 - 09:41
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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 30, 2026 00:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
302509913015,31cyclictest0-21swapper/120:05:141
2945521250,6chrt29458-21aten2.4_r3power22:10:151
302469912117,91cyclictest0-21swapper/021:55:130
30250991199,60cyclictest36-21kcompactd000:10:161
30250991168,61cyclictest8209-21diskmemload21:10:111
302509911614,36cyclictest0-21swapper/123:55:221
302509911612,29cyclictest0-21swapper/120:50:221
302469911113,83cyclictest0-21swapper/021:35:140
302469911110,85cyclictest0-21swapper/019:55:130
302469910871,27cyclictest14-21ksoftirqd/019:25:100
302469910867,29cyclictest14-21ksoftirqd/019:10:110
302469910810,82cyclictest0-21swapper/023:00:110
302469910766,29cyclictest14-21ksoftirqd/021:05:140
302469910713,81cyclictest0-21swapper/021:45:120
302469910711,81cyclictest0-21swapper/000:05:130
302509910611,43cyclictest20368-21seq23:15:091
302469910663,31cyclictest14-21ksoftirqd/021:10:130
302469910613,81cyclictest0-21swapper/020:55:130
302469910613,24cyclictest0-21swapper/023:30:130
302469910437,29cyclictest0-21swapper/023:25:130
302469910354,32cyclictest14-21ksoftirqd/020:20:140
302469910310,27cyclictest0-21swapper/020:25:130
29760210216,39sleep00-21swapper/019:06:540
302469910152,32cyclictest14-21ksoftirqd/021:40:150
302469910113,66cyclictest0-21swapper/022:45:140
29785210130,24sleep10-21swapper/119:07:111
30246991007,74cyclictest4066-21runrttasks00:00:120
302469910010,75cyclictest0-21swapper/019:20:120
30246999952,36cyclictest14-21ksoftirqd/022:35:150
30246999855,28cyclictest14-21ksoftirqd/020:30:140
30246999749,33cyclictest14-21ksoftirqd/019:50:140
30246999742,38cyclictest14-21ksoftirqd/021:50:140
30246999616,28cyclictest30236-21cyclictest22:30:100
30246999613,69cyclictest0-21swapper/020:10:130
3024699957,62cyclictest503-21snmpd21:00:120
30246999349,29cyclictest14-21ksoftirqd/022:20:120
30246999343,32cyclictest14-21ksoftirqd/021:20:130
30246999311,64cyclictest0-21swapper/022:00:120
30246999311,60cyclictest0-21swapper/022:15:130
3024699929,65cyclictest0-21swapper/023:05:160
30246999211,61cyclictest0-21swapper/019:45:110
30246999211,60cyclictest0-21swapper/023:20:120
30246999113,62cyclictest0-21swapper/020:40:140
30246999112,56cyclictest0-21swapper/000:25:160
30246999010,61cyclictest0-21swapper/023:50:110
30246998911,57cyclictest0-21swapper/019:40:120
30246998911,57cyclictest0-21swapper/019:40:120
3024699887,59cyclictest562-21runrttasks19:30:120
30246998812,57cyclictest0-21swapper/000:20:140
3024699877,61cyclictest503-21snmpd00:15:130
30246998636,33cyclictest0-21swapper/000:30:130
30246998636,30cyclictest0-21swapper/023:55:230
30246998612,53cyclictest0-21swapper/021:30:110
30246998611,56cyclictest0-21swapper/023:15:110
30246998434,30cyclictest0-21swapper/021:25:120
30246998410,52cyclictest0-21swapper/020:05:130
3024699839,52cyclictest0-21swapper/023:40:150
30246998334,34cyclictest0-21swapper/019:35:110
3024699828,51cyclictest0-21swapper/020:15:120
3024699828,51cyclictest0-21swapper/020:15:120
30246998230,31cyclictest0-21swapper/023:35:120
30246998229,24cyclictest10668-21runrttasks21:15:250
30246998135,27cyclictest0-21swapper/022:50:120
30246998133,30cyclictest0-21swapper/022:05:120
30246998028,22cyclictest32582-21runrttasks20:45:340
30246998028,22cyclictest32582-21runrttasks20:45:340
30246997930,26cyclictest0-21swapper/020:35:110
30246997928,19cyclictest18231-21turbostat00:40:000
30246997831,26cyclictest0-21swapper/019:15:120
30246997639,26cyclictest14-21ksoftirqd/023:45:120
30246997633,26cyclictest0-21swapper/022:25:120
30246997628,19cyclictest1354-21apt-get20:50:160
30246997624,21cyclictest17496-21turbostat20:05:000
30246997528,20cyclictest19480-21chrt23:10:330
30246997527,18cyclictest7421-21apt-get00:10:150
30246997524,26cyclictest30438-21grep22:10:350
30246997425,20cyclictest13504-21taskset22:55:230
30246997225,19cyclictest7819-21apt22:40:110
30250996636,17cyclictest26-21ksoftirqd/123:27:281
30250996537,17cyclictest26-21ksoftirqd/122:39:321
30250996236,21cyclictest26-21ksoftirqd/120:19:391
30250996236,21cyclictest26-21ksoftirqd/120:19:391
30250996232,17cyclictest26-21ksoftirqd/120:44:111
30250996142,12cyclictest26-21ksoftirqd/119:40:331
30250996142,12cyclictest26-21ksoftirqd/119:40:331
30250996142,11cyclictest26-21ksoftirqd/121:05:331
30250996137,17cyclictest26-21ksoftirqd/119:45:161
30250996136,20cyclictest26-21ksoftirqd/119:57:591
30250996116,40cyclictest26-21ksoftirqd/119:50:181
30250996042,11cyclictest26-21ksoftirqd/120:00:271
30250996042,10cyclictest26-21ksoftirqd/122:25:291
30250996040,12cyclictest26-21ksoftirqd/122:00:341
30250996033,9cyclictest26-21ksoftirqd/119:15:321
30250996033,21cyclictest26-21ksoftirqd/121:04:011
30250996033,20cyclictest26-21ksoftirqd/100:00:021
30250996031,17cyclictest26-21ksoftirqd/100:16:561
30250996028,19cyclictest26-21ksoftirqd/123:30:581
3025099596,47cyclictest0-21swapper/100:25:271
30250995942,11cyclictest26-21ksoftirqd/123:00:161
30250995942,11cyclictest26-21ksoftirqd/121:45:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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