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2026-04-20 - 21:28
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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 rack7slot1.osadl.org (updated Mon Apr 20, 2026 12:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2014721210,0sleep13137-21stress09:48:441
15184211353,55sleep30-21swapper/307:07:173
15161211352,56sleep00-21swapper/007:07:010
15162211050,55sleep10-21swapper/107:07:031
1512829959,35sleep20-21swapper/207:06:362
15499996511,38cyclictest0-21swapper/210:26:582
1549999547,44cyclictest0-21swapper/209:25:202
1550099535,45cyclictest0-21swapper/312:07:493
1550099534,46cyclictest0-21swapper/311:05:163
15499995315,35cyclictest0-21swapper/210:20:122
15499995315,35cyclictest0-21swapper/210:20:122
15499995314,16cyclictest0-21swapper/211:15:032
1550099526,21cyclictest0-21swapper/312:20:153
1550099525,21cyclictest0-21swapper/311:45:253
1549999527,20cyclictest0-21swapper/211:50:222
15499995214,35cyclictest0-21swapper/211:39:462
15499995214,17cyclictest0-21swapper/211:56:422
15499995214,17cyclictest0-21swapper/211:56:422
15499995214,16cyclictest0-21swapper/210:30:232
15499995211,18cyclictest0-21swapper/211:10:242
1550099516,42cyclictest0-21swapper/310:50:173
1550099516,41cyclictest0-21swapper/312:00:183
1550099516,21cyclictest0-21swapper/311:20:253
1550099516,20cyclictest0-21swapper/311:15:233
1550099515,22cyclictest0-21swapper/312:27:403
1549999517,19cyclictest0-21swapper/210:15:232
1549999517,19cyclictest0-21swapper/210:15:232
15499995113,17cyclictest0-21swapper/212:20:192
15499995110,20cyclictest0-21swapper/211:45:192
15499995110,16cyclictest0-21swapper/212:10:222
1550099507,40cyclictest0-21swapper/311:00:313
1550099506,41cyclictest0-21swapper/312:30:253
1550099506,21cyclictest0-21swapper/310:15:293
1550099506,21cyclictest0-21swapper/310:15:293
1550099506,20cyclictest0-21swapper/311:10:253
1550099506,20cyclictest0-21swapper/310:40:353
1549999507,20cyclictest0-21swapper/211:20:182
15499995015,16cyclictest0-21swapper/212:26:522
15499995014,33cyclictest0-21swapper/212:15:272
15499995014,33cyclictest0-21swapper/209:41:312
15499995012,15cyclictest0-21swapper/212:00:232
1550099496,40cyclictest0-21swapper/312:15:253
1550099496,40cyclictest0-21swapper/311:40:273
1550099496,40cyclictest0-21swapper/311:25:333
1550099496,40cyclictest0-21swapper/310:00:213
1550099495,41cyclictest0-21swapper/310:45:273
1550099495,41cyclictest0-21swapper/310:45:273
1550099495,22cyclictest0-21swapper/310:35:373
1549999498,38cyclictest0-21swapper/211:28:512
1549999497,23cyclictest0-21swapper/211:05:232
1549999496,40cyclictest0-21swapper/209:32:322
1549999496,20cyclictest0-21swapper/209:50:192
1549999496,18cyclictest0-21swapper/212:35:272
1549999496,18cyclictest0-21swapper/212:35:262
1549999496,16cyclictest0-21swapper/209:20:322
15499994913,14cyclictest0-21swapper/209:55:272
15499994912,34cyclictest0-21swapper/212:30:262
15499994912,15cyclictest0-21swapper/209:18:182
15499994911,15cyclictest0-21swapper/210:10:232
1550099486,40cyclictest0-21swapper/312:10:223
1550099486,40cyclictest0-21swapper/309:25:023
1550099486,39cyclictest0-21swapper/311:50:173
1550099486,39cyclictest0-21swapper/309:35:193
1550099486,21cyclictest0-21swapper/311:30:153
1550099485,19cyclictest0-21swapper/310:10:173
1549999489,18cyclictest0-21swapper/209:10:012
1549999489,18cyclictest0-21swapper/209:10:012
1549999489,15cyclictest0-21swapper/207:41:492
15499994814,16cyclictest0-21swapper/209:39:192
15499994810,35cyclictest0-21swapper/211:32:552
1550099477,14cyclictest0-21swapper/311:55:303
1550099477,14cyclictest0-21swapper/311:55:303
1550099476,21cyclictest0-21swapper/309:30:173
1550099476,20cyclictest0-21swapper/311:35:313
1550099475,21cyclictest0-21swapper/307:35:113
1550099474,17cyclictest0-21swapper/309:55:193
15499994711,17cyclictest0-21swapper/210:09:202
1550099466,38cyclictest0-21swapper/309:45:263
1550099466,20cyclictest0-21swapper/309:25:333
1550099465,20cyclictest0-21swapper/309:10:353
1550099465,20cyclictest0-21swapper/309:10:353
1550099465,18cyclictest0-21swapper/310:33:023
1549999469,17cyclictest0-21swapper/210:02:222
1549999466,16cyclictest0-21swapper/210:37:452
1549999465,26cyclictest0-21swapper/207:46:452
15499994610,18cyclictest0-21swapper/209:10:042
15499994610,18cyclictest0-21swapper/209:10:042
180802450,1sleep03135-21stress09:44:220
1550099456,20cyclictest0-21swapper/310:05:133
1549999457,16cyclictest0-21swapper/212:05:162
1549999457,14cyclictest0-21swapper/210:55:312
1549999456,20cyclictest0-21swapper/211:40:242
1549999456,15cyclictest0-21swapper/210:40:342
1549999455,21cyclictest0-21swapper/207:20:142
1550099446,36cyclictest0-21swapper/309:20:013
1550099446,35cyclictest0-21swapper/310:20:173
1550099446,35cyclictest0-21swapper/310:20:173
1550099446,20cyclictest0-21swapper/309:05:203
1550099446,20cyclictest0-21swapper/309:05:203
1550099446,16cyclictest0-21swapper/309:50:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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