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2026-06-04 - 17:54
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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 rackdslot4.osadl.org (updated Thu Jun 04, 2026 12:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
98152226162,52sleep20-21swapper/207:08:182
98182203170,21sleep00-21swapper/007:08:200
138591203169,22phc2sys0-21swapper/307:05:373
97942201167,23sleep10-21swapper/107:08:021
1385918664,12phc2sys0-21swapper/307:10:013
31912570,5sleep01024599cyclictest09:05:150
138491530,1ptp4l401ktimersoftd/312:12:053
96802510,2sleep00-21swapper/009:15:260
126092490,3sleep21024799cyclictest07:15:002
116112480,2sleep20-21swapper/211:30:262
138491450,1ptp4l401ktimersoftd/311:03:053
138491440,0ptp4l401ktimersoftd/312:16:383
138491430,0ptp4l401ktimersoftd/307:56:193
138491420,0ptp4l401ktimersoftd/309:18:273
138491420,0ptp4l401ktimersoftd/307:31:033
138491410,0ptp4l401ktimersoftd/311:55:483
138491410,0ptp4l401ktimersoftd/309:21:283
138491410,0ptp4l401ktimersoftd/308:32:173
138491410,0ptp4l401ktimersoftd/307:25:193
10247994123,4cyclictest33-21ksoftirqd/208:13:092
10247994123,4cyclictest33-21ksoftirqd/208:13:092
10246994136,3cyclictest25-21ksoftirqd/107:40:011
10246994034,3cyclictest25-21ksoftirqd/112:00:001
10248993935,2cyclictest41-21ksoftirqd/312:10:013
10247993933,4cyclictest33-21ksoftirqd/210:50:142
10246993934,3cyclictest25-21ksoftirqd/108:55:011
10246993933,3cyclictest25-21ksoftirqd/109:55:011
10245993934,3cyclictest1319-21snmpd12:35:000
10248993834,2cyclictest14639-21sh11:40:013
10248993833,3cyclictest41-21ksoftirqd/307:40:013
10247993831,5cyclictest33-21ksoftirqd/208:42:462
10247993831,4cyclictest33-21ksoftirqd/209:05:102
10246993834,2cyclictest25-21ksoftirqd/108:30:001
10246993833,3cyclictest25-21ksoftirqd/112:20:001
10246993832,4cyclictest25-21ksoftirqd/112:05:001
10246993810,3cyclictest25-21ksoftirqd/109:45:001
10248993731,4cyclictest41-21ksoftirqd/309:46:423
10247993732,3cyclictest33-21ksoftirqd/208:45:022
10247993731,4cyclictest33-21ksoftirqd/212:15:352
10246993731,3cyclictest29913-21apt12:10:131
10245993731,4cyclictest9-21ksoftirqd/012:28:010
10245993731,4cyclictest9-21ksoftirqd/007:40:020
10248993631,3cyclictest41-21ksoftirqd/310:35:013
10248993630,4cyclictest41-21ksoftirqd/310:16:263
10247993630,4cyclictest33-21ksoftirqd/208:53:012
10246993632,2cyclictest25-21ksoftirqd/107:35:001
10246993631,3cyclictest25-21ksoftirqd/111:25:121
10246993631,3cyclictest25-21ksoftirqd/111:20:171
10246993631,3cyclictest25-21ksoftirqd/110:00:011
10246993631,3cyclictest25-21ksoftirqd/108:10:181
10246993631,3cyclictest25-21ksoftirqd/108:10:181
10246993631,3cyclictest25-21ksoftirqd/108:05:001
10246993630,3cyclictest25-21ksoftirqd/109:30:181
10246993630,3cyclictest25-21ksoftirqd/108:30:121
10246993630,3cyclictest25-21ksoftirqd/107:40:191
10246993630,3cyclictest25-21ksoftirqd/107:24:591
10246993630,3cyclictest25-21ksoftirqd/107:24:591
10245993630,3cyclictest9-21ksoftirqd/008:20:590
10248993530,3cyclictest41-21ksoftirqd/310:40:013
10248993530,3cyclictest41-21ksoftirqd/307:45:593
10248993530,3cyclictest41-21ksoftirqd/307:20:003
10248993529,4cyclictest41-21ksoftirqd/311:33:253
10248993529,4cyclictest41-21ksoftirqd/310:07:313
10248993521,12cyclictest41-21ksoftirqd/310:00:003
10247993530,3cyclictest33-21ksoftirqd/210:40:102
10247993530,3cyclictest33-21ksoftirqd/208:37:272
10247993530,3cyclictest33-21ksoftirqd/208:05:002
10247993529,4cyclictest33-21ksoftirqd/212:38:032
10247993529,4cyclictest33-21ksoftirqd/212:32:252
10247993529,4cyclictest33-21ksoftirqd/211:02:032
10247993529,4cyclictest33-21ksoftirqd/210:01:132
10247993529,4cyclictest33-21ksoftirqd/207:26:402
10247993529,3cyclictest33-21ksoftirqd/209:46:582
10246993531,2cyclictest25-21ksoftirqd/108:20:121
10246993530,3cyclictest25-21ksoftirqd/112:25:121
10246993530,3cyclictest25-21ksoftirqd/111:45:131
10246993530,3cyclictest25-21ksoftirqd/109:10:001
10246993530,3cyclictest25-21ksoftirqd/108:50:011
10246993529,4cyclictest25-21ksoftirqd/110:41:121
10246993529,4cyclictest25-21ksoftirqd/109:02:181
10245993529,4cyclictest9-21ksoftirqd/012:36:330
10245993529,4cyclictest9-21ksoftirqd/011:39:470
10245993529,4cyclictest9-21ksoftirqd/010:06:290
10245993529,4cyclictest9-21ksoftirqd/009:11:000
10245993529,4cyclictest9-21ksoftirqd/007:54:170
10245993529,4cyclictest9-21ksoftirqd/007:12:490
10245993528,4cyclictest9-21ksoftirqd/008:25:150
10248993429,3cyclictest41-21ksoftirqd/310:55:093
10248993428,4cyclictest41-21ksoftirqd/311:45:443
10248993428,4cyclictest41-21ksoftirqd/309:41:323
10248993428,4cyclictest41-21ksoftirqd/308:46:243
10248993428,4cyclictest41-21ksoftirqd/308:36:093
10248993428,4cyclictest41-21ksoftirqd/308:01:353
10247993429,3cyclictest33-21ksoftirqd/207:17:012
10247993428,4cyclictest33-21ksoftirqd/212:20:332
10247993428,4cyclictest33-21ksoftirqd/211:45:312
10247993428,4cyclictest33-21ksoftirqd/211:44:062
10247993428,4cyclictest33-21ksoftirqd/211:16:472
10247993428,4cyclictest33-21ksoftirqd/210:13:052
10247993428,4cyclictest33-21ksoftirqd/207:30:052
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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