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2025-11-07 - 00:23
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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 Thu Nov 06, 2025 12:45:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18185211754,23sleep30-21swapper/307:09:423
18146211451,23sleep20-21swapper/207:09:132
18039211250,57sleep00-21swapper/007:07:550
17883210350,48sleep10-21swapper/107:05:551
217202580,1sleep16744-21stress09:40:581
18312995613,39cyclictest0-21swapper/010:08:220
18312995414,37cyclictest0-21swapper/010:10:290
1831299538,22cyclictest0-21swapper/009:45:190
18312995314,36cyclictest0-21swapper/011:15:200
1831299529,41cyclictest0-21swapper/010:27:460
1831299519,39cyclictest0-21swapper/012:10:030
1831299515,44cyclictest0-21swapper/011:50:330
18312995113,35cyclictest0-21swapper/010:00:170
18312995111,37cyclictest0-21swapper/012:29:320
18312995110,20cyclictest0-21swapper/011:20:330
1831299506,24cyclictest0-21swapper/011:10:200
1831299506,15cyclictest0-21swapper/012:24:030
1831299506,15cyclictest0-21swapper/009:25:250
18312995015,32cyclictest0-21swapper/010:55:180
18312995015,32cyclictest0-21swapper/010:40:300
18312995013,14cyclictest0-21swapper/011:25:110
18312995012,17cyclictest0-21swapper/010:30:130
1831299498,23cyclictest0-21swapper/009:10:400
1831299496,20cyclictest0-21swapper/011:40:170
1831299496,20cyclictest0-21swapper/011:40:160
18312994914,17cyclictest0-21swapper/007:30:220
18312994911,16cyclictest0-21swapper/012:20:010
18312994911,16cyclictest0-21swapper/012:20:000
1831299485,40cyclictest0-21swapper/009:20:250
1831299485,26cyclictest0-21swapper/008:05:440
18312994813,17cyclictest0-21swapper/008:25:230
18312994812,17cyclictest0-21swapper/011:55:150
18312994810,17cyclictest0-21swapper/012:30:330
18312994810,17cyclictest0-21swapper/009:50:340
1831299477,20cyclictest0-21swapper/010:48:040
1831299475,21cyclictest0-21swapper/009:30:300
18312994715,19cyclictest0-21swapper/008:45:160
18312994712,17cyclictest0-21swapper/009:19:330
18312994712,17cyclictest0-21swapper/009:19:330
18312994710,13cyclictest0-21swapper/012:35:180
18313994629,15cyclictest0-21swapper/112:22:511
18313994625,18cyclictest0-21swapper/110:53:301
18313994614,21cyclictest0-21swapper/112:35:241
1831299469,16cyclictest0-21swapper/011:35:210
1831299469,16cyclictest0-21swapper/011:35:210
1831299467,20cyclictest0-21swapper/008:50:150
18312994612,16cyclictest0-21swapper/007:20:160
1831399458,27cyclictest0-21swapper/111:00:391
1831399458,27cyclictest0-21swapper/111:00:391
18313994526,16cyclictest0-21swapper/111:24:581
1831299456,36cyclictest0-21swapper/009:56:080
1831299456,21cyclictest0-21swapper/010:35:160
1831299456,20cyclictest0-21swapper/010:50:180
1831299456,19cyclictest0-21swapper/011:30:170
1831299455,21cyclictest0-21swapper/008:40:370
1831299455,21cyclictest0-21swapper/007:35:180
18312994511,16cyclictest0-21swapper/010:15:270
18313994428,14cyclictest0-21swapper/111:10:131
18313994426,16cyclictest0-21swapper/111:26:201
18313994426,15cyclictest0-21swapper/112:33:511
1831299449,20cyclictest0-21swapper/007:15:200
1831299447,19cyclictest0-21swapper/007:47:270
1831299445,37cyclictest0-21swapper/008:10:170
1831299445,21cyclictest0-21swapper/008:30:170
1831299445,21cyclictest0-21swapper/007:25:350
1831299445,21cyclictest0-21swapper/007:10:190
18312994414,27cyclictest0-21swapper/011:05:350
18312994411,20cyclictest0-21swapper/008:20:110
18312994410,17cyclictest0-21swapper/009:00:220
18313994328,13cyclictest0-21swapper/112:10:211
18313994326,15cyclictest0-21swapper/111:05:361
18313994326,15cyclictest0-21swapper/110:40:221
18313994326,14cyclictest0-21swapper/110:56:351
18313994325,15cyclictest0-21swapper/112:15:081
18313994325,15cyclictest0-21swapper/112:15:081
18313994325,15cyclictest0-21swapper/109:53:141
18313994325,15cyclictest0-21swapper/109:21:081
18313994313,27cyclictest0-21swapper/110:14:561
1831299438,20cyclictest0-21swapper/008:55:430
1831299437,19cyclictest0-21swapper/008:38:520
1831299437,19cyclictest0-21swapper/007:52:050
1831299436,16cyclictest0-21swapper/011:47:300
1831299436,15cyclictest0-21swapper/009:05:250
1831299435,21cyclictest0-21swapper/007:42:390
18312994313,27cyclictest0-21swapper/007:55:140
18312994311,16cyclictest0-21swapper/008:00:180
18312994311,16cyclictest0-21swapper/008:00:170
18312994311,15cyclictest0-21swapper/010:23:250
18313994225,15cyclictest0-21swapper/110:25:281
18313994225,14cyclictest0-21swapper/110:03:481
18313994224,16cyclictest0-21swapper/111:33:371
1831299427,13cyclictest0-21swapper/012:05:170
1831299426,14cyclictest0-21swapper/008:15:170
18313994124,15cyclictest0-21swapper/110:05:231
18313994124,14cyclictest0-21swapper/112:26:221
18313994124,14cyclictest0-21swapper/110:35:231
18313994123,15cyclictest0-21swapper/110:33:381
18313994120,18cyclictest0-21swapper/111:55:161
1831499405,21cyclictest0-21swapper/211:17:032
18314993913,23cyclictest0-21swapper/209:10:452
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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