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2025-11-04 - 18:02
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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 rackdslot3.osadl.org (updated Tue Nov 04, 2025 12:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
43962207174,22sleep10-21swapper/107:09:131
137191206171,23phc2sys0-21swapper/307:07:413
42832203170,22sleep20-21swapper/207:07:532
23252203170,22sleep00-21swapper/007:05:100
1321821400,6sleep0475399cyclictest08:35:000
4753997334,7cyclictest9-21ksoftirqd/008:24:590
4753996923,5cyclictest9-21ksoftirqd/007:35:180
4753996922,4cyclictest9-21ksoftirqd/008:40:190
4753996824,5cyclictest9-21ksoftirqd/010:00:180
4753996822,4cyclictest9-21ksoftirqd/009:20:130
4755996731,8cyclictest33-21ksoftirqd/211:40:012
4753996627,9cyclictest9-21ksoftirqd/009:45:010
4753996627,4cyclictest9-21ksoftirqd/009:10:200
4753996622,7cyclictest9-21ksoftirqd/012:05:250
4753996619,10cyclictest9-21ksoftirqd/007:30:190
4753996527,5cyclictest9-21ksoftirqd/011:59:590
4753996527,4cyclictest9-21ksoftirqd/010:35:000
4753996525,4cyclictest9-21ksoftirqd/008:15:290
4753996523,11cyclictest9-21ksoftirqd/010:15:010
4753996523,11cyclictest9-21ksoftirqd/010:15:000
4756996427,8cyclictest41-21ksoftirqd/307:20:003
4753996427,8cyclictest9-21ksoftirqd/010:55:160
4753996426,5cyclictest9-21ksoftirqd/011:25:290
4753996424,5cyclictest9-21ksoftirqd/010:50:160
62682630,3sleep20-21swapper/207:10:252
4753996324,4cyclictest9-21ksoftirqd/012:10:240
4756996229,6cyclictest41-21ksoftirqd/311:05:213
4756996227,8cyclictest41-21ksoftirqd/307:30:013
4756996224,10cyclictest41-21ksoftirqd/308:44:593
4753996228,10cyclictest9-21ksoftirqd/011:04:590
4753996227,4cyclictest9-21ksoftirqd/012:40:010
4756996130,4cyclictest41-21ksoftirqd/307:45:003
4756996129,7cyclictest41-21ksoftirqd/310:00:173
4756996129,5cyclictest41-21ksoftirqd/309:55:163
4756996128,7cyclictest41-21ksoftirqd/312:15:163
4756996128,6cyclictest41-21ksoftirqd/311:35:003
4756996128,4cyclictest41-21ksoftirqd/311:55:203
4756996126,7cyclictest41-21ksoftirqd/311:50:193
4753996131,9cyclictest9-21ksoftirqd/011:15:010
4753996124,5cyclictest9-21ksoftirqd/010:30:010
4756996033,4cyclictest41-21ksoftirqd/310:39:593
4756996029,7cyclictest41-21ksoftirqd/308:00:183
4756996025,7cyclictest41-21ksoftirqd/310:25:303
4755996029,9cyclictest33-21ksoftirqd/211:00:002
4753996024,4cyclictest9-21ksoftirqd/007:55:010
4753996023,4cyclictest9-21ksoftirqd/011:10:010
4753996016,4cyclictest9-21ksoftirqd/010:18:040
4756995930,4cyclictest41-21ksoftirqd/309:45:263
4756995928,7cyclictest41-21ksoftirqd/311:40:283
4756995927,7cyclictest41-21ksoftirqd/309:30:153
4756995927,4cyclictest41-21ksoftirqd/308:30:303
4755995927,9cyclictest33-21ksoftirqd/209:15:202
4753995926,8cyclictest9-21ksoftirqd/008:40:000
4753995926,5cyclictest9-21ksoftirqd/012:00:130
4753995925,4cyclictest9-21ksoftirqd/009:29:260
4753995924,4cyclictest9-21ksoftirqd/009:30:290
4753995923,7cyclictest9-21ksoftirqd/010:21:240
4756995824,8cyclictest41-21ksoftirqd/312:35:243
4756995824,4cyclictest41-21ksoftirqd/311:15:193
4755995827,10cyclictest33-21ksoftirqd/210:45:202
4755995826,9cyclictest33-21ksoftirqd/211:15:202
4755995826,3cyclictest33-21ksoftirqd/212:35:152
4753995827,5cyclictest9-21ksoftirqd/009:45:150
4753995827,5cyclictest9-21ksoftirqd/009:05:180
4753995826,7cyclictest9-21ksoftirqd/011:20:000
4753995823,9cyclictest9-21ksoftirqd/011:20:150
4753995823,5cyclictest9-21ksoftirqd/007:45:000
4753995823,4cyclictest9-21ksoftirqd/008:50:210
4753995822,5cyclictest9-21ksoftirqd/011:35:230
4756995727,8cyclictest41-21ksoftirqd/307:55:093
4756995727,5cyclictest41-21ksoftirqd/308:20:143
4756995725,7cyclictest41-21ksoftirqd/309:20:153
4755995730,3cyclictest33-21ksoftirqd/208:40:262
4755995729,3cyclictest33-21ksoftirqd/210:50:262
4755995725,8cyclictest33-21ksoftirqd/209:50:172
4753995729,4cyclictest9-21ksoftirqd/009:55:000
4753995722,5cyclictest9-21ksoftirqd/007:25:150
4753995721,5cyclictest9-21ksoftirqd/009:00:140
4753995721,26cyclictest9-21ksoftirqd/009:15:240
4756995623,8cyclictest41-21ksoftirqd/309:35:163
4756995623,4cyclictest41-21ksoftirqd/311:50:003
4756995622,7cyclictest41-21ksoftirqd/310:34:593
4755995627,3cyclictest33-21ksoftirqd/212:25:152
4755995621,9cyclictest33-21ksoftirqd/211:04:592
4755995620,7cyclictest33-21ksoftirqd/208:12:452
4753995626,4cyclictest9-21ksoftirqd/008:00:230
4753995623,6cyclictest9-21ksoftirqd/012:25:260
4753995622,8cyclictest9-21ksoftirqd/007:15:240
4753995620,6cyclictest9-21ksoftirqd/008:05:230
4756995526,7cyclictest41-21ksoftirqd/310:10:203
4756995526,7cyclictest41-21ksoftirqd/310:10:193
4756995524,6cyclictest41-21ksoftirqd/308:50:173
4756995524,4cyclictest41-21ksoftirqd/312:30:163
4756995524,3cyclictest41-21ksoftirqd/309:00:153
4755995524,9cyclictest33-21ksoftirqd/208:30:002
4755995519,5cyclictest33-21ksoftirqd/211:45:182
4753995527,4cyclictest9-21ksoftirqd/012:30:160
4753995522,4cyclictest9-21ksoftirqd/009:40:010
4753995521,9cyclictest9-21ksoftirqd/008:10:150
4753995521,5cyclictest9-21ksoftirqd/007:10:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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