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2026-07-12 - 17:13
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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 Sun Jul 12, 2026 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
533423080,53sleep10-21swapper/107:05:301
138591224163,50phc2sys0-21swapper/307:05:443
56742204171,22sleep20-21swapper/207:07:152
58412203170,22sleep00-21swapper/007:09:190
138591163126,13phc2sys0-21swapper/307:10:023
617021470,6sleep0618799cyclictest11:30:140
1156821470,5sleep3619099cyclictest09:30:143
218242840,3sleep321830-21irqrtprio10:55:193
238372770,2sleep10-21swapper/112:05:171
6189996526,9cyclictest33-21ksoftirqd/207:40:202
6187996429,4cyclictest9-21ksoftirqd/008:20:010
6190996227,4cyclictest41-21ksoftirqd/310:10:253
6190996227,4cyclictest41-21ksoftirqd/310:10:253
6190996129,7cyclictest41-21ksoftirqd/311:25:213
6190996025,10cyclictest41-21ksoftirqd/311:50:273
6190996025,10cyclictest41-21ksoftirqd/311:50:273
6187996025,3cyclictest9-21ksoftirqd/012:20:140
6187996023,5cyclictest9-21ksoftirqd/010:45:140
6187996020,6cyclictest9-21ksoftirqd/008:55:240
6187996019,6cyclictest9-21ksoftirqd/011:15:130
39522600,3sleep20-21swapper/208:10:142
6190995924,11cyclictest41-21ksoftirqd/307:15:273
6189995914,4cyclictest33-21ksoftirqd/208:00:272
6187995924,4cyclictest9-21ksoftirqd/009:55:150
6187995922,6cyclictest9-21ksoftirqd/010:25:230
6187995922,5cyclictest9-21ksoftirqd/012:25:250
6187995922,5cyclictest9-21ksoftirqd/008:50:270
6187995922,5cyclictest9-21ksoftirqd/008:50:260
6187995921,6cyclictest9-21ksoftirqd/011:10:140
6187995921,5cyclictest9-21ksoftirqd/010:15:150
6190995828,6cyclictest41-21ksoftirqd/308:10:143
6190995827,4cyclictest41-21ksoftirqd/311:30:133
6189995830,3cyclictest33-21ksoftirqd/212:35:242
6189995828,4cyclictest33-21ksoftirqd/211:20:162
6189995827,6cyclictest33-21ksoftirqd/211:15:152
6189995819,9cyclictest33-21ksoftirqd/210:00:002
6187995829,7cyclictest9-21ksoftirqd/010:05:140
6187995827,6cyclictest9-21ksoftirqd/010:40:260
6187995824,3cyclictest9-21ksoftirqd/007:10:250
6187995823,6cyclictest9-21ksoftirqd/012:10:010
6187995823,3cyclictest9-21ksoftirqd/007:35:220
6187995822,6cyclictest9-21ksoftirqd/009:10:220
6187995822,5cyclictest9-21ksoftirqd/008:25:170
6187995822,4cyclictest9-21ksoftirqd/008:45:250
6187995820,6cyclictest9-21ksoftirqd/009:35:180
6187995820,5cyclictest9-21ksoftirqd/009:00:170
6187995819,7cyclictest9-21ksoftirqd/011:25:240
6187995819,6cyclictest9-21ksoftirqd/007:45:240
6187995818,6cyclictest9-21ksoftirqd/007:55:160
6190995725,8cyclictest41-21ksoftirqd/310:05:243
6190995725,10cyclictest41-21ksoftirqd/310:30:213
6189995729,3cyclictest33-21ksoftirqd/208:35:232
6189995728,3cyclictest33-21ksoftirqd/212:30:112
6187995724,6cyclictest9-21ksoftirqd/012:00:130
6187995723,5cyclictest9-21ksoftirqd/009:40:130
6187995722,7cyclictest9-21ksoftirqd/011:05:240
6187995721,7cyclictest9-21ksoftirqd/012:35:150
6187995721,5cyclictest9-21ksoftirqd/011:55:210
6187995721,5cyclictest9-21ksoftirqd/011:45:150
6187995721,5cyclictest9-21ksoftirqd/007:50:140
6187995720,6cyclictest9-21ksoftirqd/010:10:220
6187995720,6cyclictest9-21ksoftirqd/010:10:220
6187995719,6cyclictest9-21ksoftirqd/011:40:160
6187995718,6cyclictest9-21ksoftirqd/008:10:260
6189995629,4cyclictest33-21ksoftirqd/210:45:512
6189995623,4cyclictest33-21ksoftirqd/210:50:202
6187995622,6cyclictest9-21ksoftirqd/008:20:270
6187995621,8cyclictest9-21ksoftirqd/009:50:160
6187995621,6cyclictest9-21ksoftirqd/008:05:130
6187995620,7cyclictest9-21ksoftirqd/011:00:190
6187995620,5cyclictest9-21ksoftirqd/010:00:160
6187995620,5cyclictest9-21ksoftirqd/007:15:170
6187995619,6cyclictest9-21ksoftirqd/010:50:180
6187995619,5cyclictest9-21ksoftirqd/009:20:210
6190995535,17cyclictest41-21ksoftirqd/308:40:013
6189995527,3cyclictest33-21ksoftirqd/212:15:192
6189995524,8cyclictest33-21ksoftirqd/211:40:122
6189995515,3cyclictest33-21ksoftirqd/210:30:212
6187995530,9cyclictest9-21ksoftirqd/008:35:250
6187995526,6cyclictest9-21ksoftirqd/009:15:170
6187995526,6cyclictest9-21ksoftirqd/008:40:120
6187995526,5cyclictest9-21ksoftirqd/007:30:000
6187995521,5cyclictest9-21ksoftirqd/012:15:270
6190995423,4cyclictest41-21ksoftirqd/312:00:163
6189995426,4cyclictest33-21ksoftirqd/207:45:212
6187995425,3cyclictest9-21ksoftirqd/008:30:170
6187995423,5cyclictest9-21ksoftirqd/009:25:130
6187995421,5cyclictest9-21ksoftirqd/008:00:140
6187995419,6cyclictest9-21ksoftirqd/007:30:180
6187995418,7cyclictest9-21ksoftirqd/007:20:130
6190995316,10cyclictest41-21ksoftirqd/307:55:143
6189995326,4cyclictest33-21ksoftirqd/208:15:202
6187995330,7cyclictest9-21ksoftirqd/007:40:160
6187995326,3cyclictest9-21ksoftirqd/010:31:450
6187995317,4cyclictest9-21ksoftirqd/009:30:170
6190995222,7cyclictest41-21ksoftirqd/307:35:253
6190995220,9cyclictest41-21ksoftirqd/312:30:173
6189995223,7cyclictest33-21ksoftirqd/209:55:002
6189995216,5cyclictest33-21ksoftirqd/207:25:252
618799527,3cyclictest9-21ksoftirqd/010:20:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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