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2026-07-13 - 23:46
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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 Mon Jul 13, 2026 12:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
124442231166,22sleep00-21swapper/007:09:410
138591221158,52phc2sys0-21swapper/307:07:523
123392203170,22sleep10-21swapper/107:08:211
121782203171,21sleep20-21swapper/207:06:172
462021770,7sleep01276799cyclictest12:15:240
41462710,2sleep20-21swapper/210:05:212
12770996825,10cyclictest41-21ksoftirqd/309:10:273
12770996634,4cyclictest41-21ksoftirqd/308:40:173
12769996434,3cyclictest33-21ksoftirqd/210:35:012
12770996331,4cyclictest41-21ksoftirqd/311:15:253
12770996231,3cyclictest41-21ksoftirqd/311:45:003
12770996231,3cyclictest41-21ksoftirqd/311:45:003
12770996229,4cyclictest41-21ksoftirqd/307:10:233
12770996133,3cyclictest41-21ksoftirqd/308:55:163
12770996127,4cyclictest41-21ksoftirqd/311:39:593
12769996132,3cyclictest33-21ksoftirqd/209:00:192
12770996030,4cyclictest41-21ksoftirqd/309:55:213
12770996029,4cyclictest41-21ksoftirqd/308:10:183
12770996028,3cyclictest41-21ksoftirqd/309:30:003
12769996032,3cyclictest33-21ksoftirqd/208:15:012
12769996027,5cyclictest33-21ksoftirqd/211:25:002
193132590,5sleep119318-21irqrtprio08:25:191
12770995931,3cyclictest41-21ksoftirqd/312:35:163
12770995927,3cyclictest41-21ksoftirqd/310:20:003
12770995923,3cyclictest41-21ksoftirqd/310:50:173
12769995926,13cyclictest33-21ksoftirqd/209:10:182
12769995925,14cyclictest33-21ksoftirqd/208:25:182
12770995831,4cyclictest41-21ksoftirqd/310:20:133
12770995829,4cyclictest41-21ksoftirqd/312:00:153
12770995829,3cyclictest41-21ksoftirqd/311:25:233
12770995829,3cyclictest41-21ksoftirqd/311:00:243
12770995828,4cyclictest41-21ksoftirqd/308:25:283
12770995827,4cyclictest41-21ksoftirqd/311:55:003
12770995826,9cyclictest41-21ksoftirqd/310:09:593
12770995826,4cyclictest41-21ksoftirqd/308:35:173
12770995826,3cyclictest41-21ksoftirqd/310:55:143
12769995818,4cyclictest33-21ksoftirqd/208:10:152
12770995732,4cyclictest41-21ksoftirqd/309:40:183
12770995726,4cyclictest41-21ksoftirqd/308:50:203
12770995726,4cyclictest41-21ksoftirqd/308:50:203
12770995726,3cyclictest41-21ksoftirqd/311:45:193
12770995726,3cyclictest41-21ksoftirqd/311:10:123
12770995726,3cyclictest41-21ksoftirqd/309:05:143
12770995725,3cyclictest41-21ksoftirqd/312:25:243
12769995730,4cyclictest33-21ksoftirqd/210:45:142
12769995729,4cyclictest33-21ksoftirqd/209:45:182
12769995725,4cyclictest33-21ksoftirqd/207:25:252
12770995630,4cyclictest41-21ksoftirqd/309:30:153
12770995627,4cyclictest41-21ksoftirqd/309:35:113
12770995627,4cyclictest41-21ksoftirqd/307:50:153
12770995625,4cyclictest41-21ksoftirqd/307:25:293
12770995624,3cyclictest41-21ksoftirqd/309:00:263
12770995623,3cyclictest41-21ksoftirqd/312:20:203
12770995616,7cyclictest41-21ksoftirqd/312:05:233
12770995615,11cyclictest41-21ksoftirqd/310:25:143
12769995627,3cyclictest33-21ksoftirqd/208:35:242
12769995625,4cyclictest33-21ksoftirqd/211:15:002
12769995623,3cyclictest33-21ksoftirqd/211:45:292
12770995525,9cyclictest41-21ksoftirqd/308:10:003
12770995525,3cyclictest41-21ksoftirqd/312:20:013
12770995524,4cyclictest41-21ksoftirqd/307:30:173
12770995524,3cyclictest41-21ksoftirqd/307:45:183
12770995510,9cyclictest41-21ksoftirqd/310:32:213
12769995527,3cyclictest33-21ksoftirqd/208:00:152
12769995525,4cyclictest33-21ksoftirqd/211:40:142
12769995525,4cyclictest33-21ksoftirqd/211:40:142
12769995525,4cyclictest33-21ksoftirqd/211:25:282
12769995524,3cyclictest33-21ksoftirqd/210:50:132
12769995523,3cyclictest33-21ksoftirqd/210:55:222
12769995521,13cyclictest33-21ksoftirqd/209:35:272
12770995425,3cyclictest41-21ksoftirqd/309:50:233
12770995423,4cyclictest41-21ksoftirqd/309:15:163
12770995421,3cyclictest41-21ksoftirqd/308:15:013
12769995425,3cyclictest33-21ksoftirqd/207:55:152
12769995425,3cyclictest33-21ksoftirqd/207:55:152
12769995420,4cyclictest33-21ksoftirqd/211:55:182
324802530,2sleep10-21swapper/108:50:271
324802530,2sleep10-21swapper/108:50:271
12769995324,3cyclictest33-21ksoftirqd/207:45:142
12770995221,3cyclictest41-21ksoftirqd/311:09:593
12769995225,4cyclictest33-21ksoftirqd/208:05:162
12769995225,3cyclictest33-21ksoftirqd/209:55:142
12769995222,4cyclictest33-21ksoftirqd/212:00:272
12770995119,8cyclictest41-21ksoftirqd/307:15:213
12769995123,3cyclictest33-21ksoftirqd/207:35:142
12769995119,4cyclictest33-21ksoftirqd/209:30:242
12769995115,4cyclictest33-21ksoftirqd/212:30:262
12770995021,4cyclictest41-21ksoftirqd/310:00:273
12770995019,9cyclictest41-21ksoftirqd/310:10:143
1276999509,9cyclictest33-21ksoftirqd/208:45:152
12769995023,4cyclictest33-21ksoftirqd/207:50:002
12769995022,3cyclictest33-21ksoftirqd/212:10:192
12769995017,4cyclictest33-21ksoftirqd/212:20:202
12770994923,4cyclictest41-21ksoftirqd/308:00:263
12769994923,3cyclictest33-21ksoftirqd/210:25:142
12769994922,4cyclictest33-21ksoftirqd/208:55:192
12769994921,4cyclictest33-21ksoftirqd/212:05:302
12769994921,4cyclictest33-21ksoftirqd/210:11:112
12769994919,4cyclictest33-21ksoftirqd/209:15:172
12769994917,4cyclictest33-21ksoftirqd/211:00:242
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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