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2026-05-05 - 17:16
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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 Tue May 05, 2026 12:45:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73882213157,25sleep10-21swapper/107:07:211
73082211160,25sleep30-21swapper/307:06:203
73392200162,25sleep20-21swapper/207:06:422
72852197159,25sleep00-21swapper/007:05:590
298992630,0sleep30-21swapper/309:00:213
115622630,0sleep10-21swapper/110:15:001
98392610,0sleep30-21swapper/310:10:423
7668991312,1cyclictest28-21ksoftirqd/209:35:002
7666991312,1cyclictest9-21ksoftirqd/009:55:000
7668991211,1cyclictest28-21ksoftirqd/210:25:112
7668991211,1cyclictest28-21ksoftirqd/208:45:002
7666991210,1cyclictest9-21ksoftirqd/012:05:000
766699120,12cyclictest0-21swapper/008:05:120
7669991110,1cyclictest35-21ksoftirqd/312:30:003
766999110,5cyclictest240-21systemd-journal09:26:513
7666991110,1cyclictest9-21ksoftirqd/008:40:000
7666991110,1cyclictest9-21ksoftirqd/008:05:000
108512110,0sleep10-21swapper/110:55:181
7669991010,0cyclictest35-21ksoftirqd/310:50:003
7669991010,0cyclictest35-21ksoftirqd/310:05:003
766999100,9cyclictest0-21swapper/310:10:003
766899109,1cyclictest28-21ksoftirqd/210:45:122
766899109,1cyclictest28-21ksoftirqd/210:35:132
766899109,1cyclictest28-21ksoftirqd/210:15:112
766899109,1cyclictest28-21ksoftirqd/208:35:002
766899109,1cyclictest28-21ksoftirqd/207:15:002
766899108,1cyclictest28-21ksoftirqd/210:50:132
7668991010,0cyclictest28-21ksoftirqd/209:14:122
766799100,9cyclictest0-21swapper/110:30:141
766699109,1cyclictest9-21ksoftirqd/012:15:010
766699109,1cyclictest9-21ksoftirqd/009:35:150
766699108,1cyclictest9-21ksoftirqd/011:55:000
766699108,1cyclictest9-21ksoftirqd/009:05:130
766699108,1cyclictest153392sleep009:27:510
766699103,3cyclictest28217-21perf11:20:000
766699100,7cyclictest10557-21ssh11:39:250
766699100,3cyclictest240-21systemd-journal08:54:550
76699999,0cyclictest35-21ksoftirqd/309:35:013
76699999,0cyclictest35-21ksoftirqd/308:20:003
76699998,1cyclictest35-21ksoftirqd/312:00:013
76699998,1cyclictest35-21ksoftirqd/311:05:003
76699998,1cyclictest35-21ksoftirqd/310:15:093
76699998,1cyclictest35-21ksoftirqd/309:35:143
76699998,1cyclictest35-21ksoftirqd/307:40:023
76699997,1cyclictest35-21ksoftirqd/310:55:003
76699990,6cyclictest26162-21taskset10:33:393
76689998,1cyclictest28-21ksoftirqd/211:45:122
76689998,1cyclictest28-21ksoftirqd/209:24:412
76689998,1cyclictest28-21ksoftirqd/208:50:142
76689998,1cyclictest28-21ksoftirqd/208:00:152
76689998,0cyclictest28-21ksoftirqd/211:41:112
76689997,1cyclictest28-21ksoftirqd/211:10:122
76689997,1cyclictest28-21ksoftirqd/208:55:132
76689997,1cyclictest28-21ksoftirqd/208:45:162
76679990,8cyclictest0-21swapper/111:51:171
76679990,8cyclictest0-21swapper/111:05:161
76669999,0cyclictest9-21ksoftirqd/011:35:000
76669998,1cyclictest9-21ksoftirqd/010:20:110
76669997,1cyclictest9-21ksoftirqd/009:05:000
76669997,1cyclictest9-21ksoftirqd/007:40:000
76669990,4cyclictest4310-21sed09:15:000
76699988,0cyclictest35-21ksoftirqd/311:35:173
76699987,1cyclictest35-21ksoftirqd/312:35:123
76699987,1cyclictest35-21ksoftirqd/312:30:173
76699987,1cyclictest35-21ksoftirqd/311:45:013
76699984,2cyclictest5424-21/usr/sbin/munin12:15:153
76689988,0cyclictest28-21ksoftirqd/211:20:122
76689988,0cyclictest28-21ksoftirqd/211:00:192
76689987,1cyclictest28-21ksoftirqd/212:00:142
76689987,1cyclictest28-21ksoftirqd/210:32:142
76689987,1cyclictest28-21ksoftirqd/210:23:562
76689987,1cyclictest28-21ksoftirqd/210:05:182
76689987,1cyclictest28-21ksoftirqd/207:25:132
76689986,1cyclictest61650irq/122-eno112:20:282
76689986,1cyclictest61650irq/122-eno110:02:032
76689986,1cyclictest61650irq/122-eno109:25:152
76689986,1cyclictest28-21ksoftirqd/212:15:152
76689986,1cyclictest28-21ksoftirqd/210:55:112
76689986,1cyclictest28-21ksoftirqd/209:42:412
76689986,1cyclictest28-21ksoftirqd/209:05:132
76689986,1cyclictest19709-21cat11:50:162
76689985,2cyclictest61650irq/122-eno111:15:152
76689980,7cyclictest29255-21taskset07:51:122
76689980,6cyclictest25364-21kworker/u8:209:51:512
76679980,0cyclictest0-21swapper/109:10:111
76669988,0cyclictest9-21ksoftirqd/012:15:150
76669988,0cyclictest9-21ksoftirqd/012:10:000
76669988,0cyclictest9-21ksoftirqd/010:25:130
76669987,1cyclictest9-21ksoftirqd/011:45:000
76669987,1cyclictest9-21ksoftirqd/009:35:000
76669987,1cyclictest9-21ksoftirqd/009:20:150
76669987,1cyclictest9-21ksoftirqd/007:30:140
76669985,1cyclictest240-21systemd-journal11:13:080
76669983,1cyclictest23056-21ssh12:37:140
76669981,6cyclictest7367-21ssh09:17:540
76669981,6cyclictest13960-21ssh12:25:160
2773280,1sleep10-21swapper/111:28:431
76699976,1cyclictest35-21ksoftirqd/312:20:143
76699976,1cyclictest35-21ksoftirqd/311:15:003
76699976,1cyclictest35-21ksoftirqd/308:40:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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