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2026-09-29 - 00:25
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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 Sep 28, 2026 12:45:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1002821360,1sleep013308-21stress12:39:250
2408821240,1sleep013308-21stress09:31:220
23143211955,58sleep30-21swapper/307:08:393
23130210950,21sleep00-21swapper/007:08:270
23028210950,20sleep10-21swapper/107:07:121
2307828762,20sleep20-21swapper/207:07:492
75722630,1sleep113308-21stress10:07:471
23358995610,23cyclictest0-21swapper/311:40:453
2335899559,43cyclictest0-21swapper/311:34:253
2335899538,28cyclictest0-21swapper/309:30:413
23358995311,24cyclictest0-21swapper/312:38:513
23358995216,12cyclictest0-21swapper/309:10:203
23358995011,17cyclictest0-21swapper/309:35:363
2335899499,20cyclictest0-21swapper/312:22:103
2335899499,20cyclictest0-21swapper/312:22:093
2335899498,19cyclictest0-21swapper/311:37:523
23358994911,17cyclictest0-21swapper/309:47:203
23358994910,18cyclictest0-21swapper/309:40:163
2335899486,21cyclictest0-21swapper/310:15:263
23358994816,12cyclictest0-21swapper/309:27:173
23358994812,15cyclictest0-21swapper/311:05:163
23358994811,18cyclictest0-21swapper/311:45:153
23358994811,17cyclictest0-21swapper/307:16:033
23358994810,17cyclictest0-21swapper/312:10:323
2335899478,21cyclictest0-21swapper/311:20:053
23358994714,16cyclictest0-21swapper/310:51:173
23358994711,16cyclictest0-21swapper/310:35:373
23358994710,18cyclictest0-21swapper/312:15:233
23358994710,18cyclictest0-21swapper/312:15:233
2335899469,18cyclictest0-21swapper/309:50:043
23358994614,12cyclictest0-21swapper/310:45:203
23358994613,14cyclictest0-21swapper/311:55:363
23358994610,17cyclictest0-21swapper/310:25:133
23358994610,17cyclictest0-21swapper/310:10:243
23358994516,12cyclictest0-21swapper/309:56:273
23358994515,12cyclictest0-21swapper/312:30:143
23355994514,28cyclictest0-21swapper/010:18:430
23358994310,17cyclictest0-21swapper/312:00:103
23356994114,24cyclictest0-21swapper/111:52:341
23355994110,28cyclictest0-21swapper/012:33:030
2335599407,16cyclictest0-21swapper/012:15:280
2335599407,16cyclictest0-21swapper/012:15:280
23355994013,24cyclictest0-21swapper/012:20:160
23355994013,24cyclictest0-21swapper/012:20:160
2335799398,28cyclictest0-21swapper/210:40:332
23357993911,26cyclictest0-21swapper/211:02:272
23355993913,23cyclictest0-21swapper/011:05:290
275992385,14sleep00-21swapper/008:30:000
23357993816,19cyclictest0-21swapper/211:50:172
23356993815,21cyclictest0-21swapper/111:10:361
23356993810,19cyclictest0-21swapper/110:29:521
206832385,13sleep20-21swapper/208:12:342
206832385,13sleep20-21swapper/208:12:342
295342375,13sleep00-21swapper/008:31:400
28662375,13sleep00-21swapper/007:33:540
2335799376,28cyclictest0-21swapper/209:58:012
23357993714,21cyclictest0-21swapper/210:05:242
2335599375,30cyclictest0-21swapper/008:18:560
23355993710,24cyclictest0-21swapper/010:43:070
162692375,13sleep20-21swapper/208:02:552
129152375,13sleep20-21swapper/209:06:232
119132375,13sleep20-21swapper/207:54:372
42792364,13sleep10-21swapper/108:49:581
39292364,13sleep20-21swapper/208:45:502
3502364,13sleep10-21swapper/107:26:301
318102365,13sleep00-21swapper/008:36:340
298682365,11sleep10-21swapper/107:20:201
274852365,12sleep20-21swapper/208:28:382
273992364,13sleep10-21swapper/108:27:361
26112365,12sleep10-21swapper/107:31:021
2335799368,26cyclictest0-21swapper/208:35:082
23357993616,18cyclictest0-21swapper/211:11:452
23357993615,19cyclictest0-21swapper/211:15:212
23357993611,23cyclictest0-21swapper/212:00:122
2335699367,27cyclictest0-21swapper/112:02:381
23356993615,19cyclictest0-21swapper/111:17:151
23356993614,20cyclictest0-21swapper/110:30:451
138752364,13sleep20-21swapper/207:56:142
128642364,13sleep10-21swapper/109:05:461
116162364,13sleep10-21swapper/107:50:511
87482355,11sleep20-21swapper/208:59:412
85782354,13sleep10-21swapper/108:57:441
71802355,11sleep10-21swapper/107:40:491
27662355,11sleep20-21swapper/207:32:522
255292355,11sleep20-21swapper/207:14:392
2335799358,25cyclictest0-21swapper/208:34:082
2335799358,25cyclictest0-21swapper/208:19:582
2335799358,25cyclictest0-21swapper/207:45:282
23357993519,14cyclictest0-21swapper/211:24:552
23357993514,18cyclictest0-21swapper/210:45:302
23356993510,23cyclictest0-21swapper/110:21:141
23355993516,16cyclictest0-21swapper/010:09:460
23355993515,17cyclictest0-21swapper/011:30:260
23355993511,21cyclictest0-21swapper/011:45:550
23355993511,21cyclictest0-21swapper/010:25:040
23355993511,21cyclictest0-21swapper/009:50:450
23355993511,21cyclictest0-21swapper/009:16:030
23355993511,21cyclictest0-21swapper/009:16:030
138832355,13sleep00-21swapper/007:56:200
283942345,11sleep00-21swapper/007:18:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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