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2026-03-19 - 00:19
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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
Characteristics of the 100 highest latencies:
System rack1slot1.osadl.org (updated Wed Mar 18, 2026 12:45:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
105792212157,44sleep10-21swapper/107:09:221
104642200161,26sleep30-21swapper/307:07:513
105752199159,26sleep20-21swapper/207:09:192
104072198159,25sleep00-21swapper/007:07:070
1071799150,1cyclictest0-21swapper/111:40:111
1071799150,1cyclictest0-21swapper/109:35:191
1071799150,0cyclictest0-21swapper/107:35:121
1071799140,13cyclictest0-21swapper/109:15:371
1071799140,1cyclictest0-21swapper/111:55:191
1071799140,1cyclictest0-21swapper/108:15:211
1071799140,1cyclictest0-21swapper/108:10:201
1071799130,12cyclictest0-21swapper/110:43:581
1071799130,1cyclictest0-21swapper/112:30:501
1071799130,1cyclictest0-21swapper/111:30:001
1071799130,0cyclictest0-21swapper/110:25:581
10725991210,1cyclictest28-21ksoftirqd/210:20:002
1071799120,12cyclictest0-21swapper/110:48:351
1071799120,11cyclictest0-21swapper/110:55:151
1071799120,11cyclictest0-21swapper/110:50:131
1071799120,11cyclictest0-21swapper/110:24:371
1071799120,11cyclictest0-21swapper/109:31:341
1071799120,1cyclictest0-21swapper/110:01:141
10725991110,1cyclictest28-21ksoftirqd/207:30:012
1071799111,0cyclictest0-21swapper/111:00:301
1071799110,2cyclictest0-21swapper/111:17:111
1071799110,11cyclictest0-21swapper/109:45:191
1071799110,1cyclictest0-21swapper/112:19:461
1071799110,1cyclictest0-21swapper/112:10:211
1071799110,1cyclictest0-21swapper/112:10:201
1071799110,1cyclictest0-21swapper/109:40:561
1071799110,1cyclictest0-21swapper/109:05:171
1071799110,1cyclictest0-21swapper/107:50:201
1071799110,0cyclictest0-21swapper/112:37:361
1071799110,0cyclictest0-21swapper/111:51:221
1071799110,0cyclictest0-21swapper/111:46:541
1071799110,0cyclictest0-21swapper/111:37:221
1071799110,0cyclictest0-21swapper/111:20:151
1071799110,0cyclictest0-21swapper/110:30:141
1071799110,0cyclictest0-21swapper/110:17:271
1071799110,0cyclictest0-21swapper/109:50:381
1071799110,0cyclictest0-21swapper/109:10:351
1070899119,1cyclictest9-21ksoftirqd/007:15:010
1073199109,1cyclictest35-21ksoftirqd/312:15:013
1073199109,1cyclictest35-21ksoftirqd/312:15:003
1073199109,1cyclictest35-21ksoftirqd/307:54:593
1072599108,1cyclictest28-21ksoftirqd/209:00:002
1071799100,10cyclictest0-21swapper/111:10:531
1071799100,1cyclictest0-21swapper/112:24:271
1071799100,1cyclictest0-21swapper/112:00:131
1071799100,1cyclictest0-21swapper/111:30:571
1071799100,1cyclictest0-21swapper/110:35:191
1071799100,1cyclictest0-21swapper/110:10:141
1071799100,1cyclictest0-21swapper/109:55:141
1071799100,1cyclictest0-21swapper/109:25:171
1071799100,1cyclictest0-21swapper/108:50:131
1071799100,1cyclictest0-21swapper/108:00:141
1071799100,0cyclictest0-21swapper/112:05:261
1071799100,0cyclictest0-21swapper/110:07:501
1071799100,0cyclictest0-21swapper/107:10:201
1070899109,1cyclictest9-21ksoftirqd/012:05:010
107319998,1cyclictest35-21ksoftirqd/310:15:013
107319998,1cyclictest35-21ksoftirqd/307:40:003
107259999,0cyclictest0-21swapper/212:26:252
107259990,8cyclictest14720-21sh09:22:432
107259990,8cyclictest14720-21sh09:22:422
107179990,9cyclictest0-21swapper/108:35:101
107179990,8cyclictest0-21swapper/109:21:521
107179990,8cyclictest0-21swapper/109:21:521
107179990,1cyclictest0-21swapper/112:25:301
107179990,1cyclictest0-21swapper/111:05:161
107179990,1cyclictest0-21swapper/108:05:131
107179990,1cyclictest0-21swapper/107:21:221
107179990,0cyclictest263272sleep108:47:291
107179990,0cyclictest0-21swapper/107:58:411
107089998,1cyclictest9-21ksoftirqd/012:00:000
107089997,1cyclictest9-21ksoftirqd/007:35:010
107089992,1cyclictest22156-21sh12:19:490
107089990,4cyclictest604-21perf07:55:000
10576290,0sleep20-21swapper/212:04:562
15684280,0sleep30-21swapper/310:46:023
107319987,1cyclictest35-21ksoftirqd/309:40:003
107319986,1cyclictest707-21snmpd12:20:483
107319986,1cyclictest707-21snmpd12:16:203
107319986,1cyclictest707-21snmpd11:00:213
107319986,1cyclictest707-21snmpd10:52:323
107319986,1cyclictest707-21snmpd10:38:363
107319986,1cyclictest707-21snmpd08:12:233
107319986,1cyclictest707-21snmpd07:27:223
107319986,1cyclictest35-21ksoftirqd/308:00:003
107319985,2cyclictest0-21swapper/309:59:213
107319982,3cyclictest22461-21apt-get10:15:153
107319980,6cyclictest707-21snmpd08:08:563
107259987,1cyclictest28-21ksoftirqd/212:22:532
107259987,1cyclictest28-21ksoftirqd/209:59:592
107259986,1cyclictest707-21snmpd09:04:412
107259986,1cyclictest707-21snmpd08:36:422
107259986,1cyclictest61650irq/122-eno111:45:112
107259986,1cyclictest61650irq/122-eno110:45:192
107259986,1cyclictest61650irq/122-eno110:14:402
107259986,1cyclictest61650irq/122-eno110:07:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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