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2026-06-20 - 15:08
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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 Sat Jun 20, 2026 12:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4885211856,23sleep30-21swapper/307:08:083
1969521170,1sleep225923-21stress11:21:482
4954211553,57sleep00-21swapper/007:09:000
4730211151,55sleep20-21swapper/207:06:092
477229470,18sleep10-21swapper/107:06:401
5141994211,23cyclictest0-21swapper/007:51:050
5141994211,22cyclictest0-21swapper/007:56:100
5141994111,22cyclictest0-21swapper/007:13:220
5141994110,22cyclictest0-21swapper/008:20:480
5141994011,21cyclictest0-21swapper/009:05:130
5141994011,21cyclictest0-21swapper/009:05:130
5141994011,20cyclictest0-21swapper/012:39:580
5141994011,20cyclictest0-21swapper/012:39:570
514199395,20cyclictest0-21swapper/010:10:320
5141993911,22cyclictest0-21swapper/008:05:390
5141993911,21cyclictest0-21swapper/008:55:030
5141993911,20cyclictest0-21swapper/007:41:220
5141993910,20cyclictest0-21swapper/007:15:290
514299386,20cyclictest0-21swapper/112:20:141
514199389,23cyclictest0-21swapper/007:45:130
514199387,24cyclictest0-21swapper/007:30:220
514199387,23cyclictest0-21swapper/008:00:020
514199385,16cyclictest0-21swapper/010:17:330
514199385,16cyclictest0-21swapper/010:17:330
514199385,16cyclictest0-21swapper/009:40:580
514199385,16cyclictest0-21swapper/009:40:570
5141993815,20cyclictest0-21swapper/010:37:540
5144993716,19cyclictest0-21swapper/310:26:363
5144993716,19cyclictest0-21swapper/310:26:363
5144993714,21cyclictest0-21swapper/309:26:423
514199377,20cyclictest0-21swapper/008:36:220
317992375,13sleep20-21swapper/208:07:172
207932375,13sleep30-21swapper/307:41:233
17652375,13sleep30-21swapper/308:14:273
141772374,13sleep10-21swapper/107:25:251
72732363,13sleep30-21swapper/307:14:493
5144993616,14cyclictest0-21swapper/309:37:323
5144993616,14cyclictest0-21swapper/309:37:323
5144993615,19cyclictest0-21swapper/312:36:593
5144993615,19cyclictest0-21swapper/312:36:593
5144993614,20cyclictest0-21swapper/311:05:243
5144993614,20cyclictest0-21swapper/311:05:243
514399368,26cyclictest0-21swapper/207:37:272
514399368,26cyclictest0-21swapper/207:37:272
514199369,19cyclictest0-21swapper/008:51:220
514199367,23cyclictest0-21swapper/008:13:530
514199367,20cyclictest0-21swapper/007:36:220
514199367,20cyclictest0-21swapper/007:36:220
36922364,13sleep10-21swapper/108:15:341
263752364,13sleep10-21swapper/107:55:171
257632365,12sleep30-21swapper/309:09:063
257632365,12sleep30-21swapper/309:09:053
251052365,13sleep20-21swapper/207:50:422
233962365,13sleep00-21swapper/009:01:450
214362365,12sleep30-21swapper/308:59:223
212742364,13sleep20-21swapper/208:57:212
165722364,13sleep10-21swapper/107:32:271
14562365,13sleep10-21swapper/108:10:451
122702365,12sleep20-21swapper/207:23:312
81742356,10sleep10-21swapper/108:26:401
72712354,13sleep10-21swapper/107:14:471
5144993515,18cyclictest0-21swapper/310:50:123
5144993515,18cyclictest0-21swapper/310:50:123
5144993515,14cyclictest0-21swapper/311:28:543
5144993515,14cyclictest0-21swapper/311:28:543
5143993516,16cyclictest0-21swapper/212:32:282
5143993511,21cyclictest0-21swapper/209:25:122
514199356,23cyclictest0-21swapper/008:25:310
514199355,22cyclictest0-21swapper/008:45:230
5141993516,16cyclictest0-21swapper/011:42:160
5141993516,16cyclictest0-21swapper/010:25:260
5141993516,16cyclictest0-21swapper/010:25:260
5141993515,17cyclictest0-21swapper/011:05:120
5141993515,17cyclictest0-21swapper/011:05:120
5141993515,17cyclictest0-21swapper/010:22:190
5141993511,21cyclictest0-21swapper/011:18:170
257502354,12sleep10-21swapper/109:08:551
257502354,12sleep10-21swapper/109:08:551
189762354,13sleep10-21swapper/108:50:381
187072354,13sleep10-21swapper/107:37:091
187072354,13sleep10-21swapper/107:37:081
171222354,13sleep10-21swapper/108:49:421
147402354,13sleep00-21swapper/008:42:270
5144993414,18cyclictest0-21swapper/312:05:443
5144993414,18cyclictest0-21swapper/312:05:443
5143993415,16cyclictest0-21swapper/212:28:142
5143993414,17cyclictest0-21swapper/212:07:522
5143993414,17cyclictest0-21swapper/212:07:522
5142993411,20cyclictest0-21swapper/111:35:071
514199349,22cyclictest0-21swapper/010:50:030
514199349,22cyclictest0-21swapper/010:50:030
514199347,18cyclictest0-21swapper/007:21:530
514199346,22cyclictest0-21swapper/008:34:220
514199345,20cyclictest0-21swapper/008:15:070
5141993414,17cyclictest0-21swapper/010:57:340
5141993414,17cyclictest0-21swapper/010:57:330
39972345,10sleep30-21swapper/308:19:133
169842345,10sleep20-21swapper/208:47:552
5144993315,16cyclictest0-21swapper/312:31:253
5144993315,16cyclictest0-21swapper/311:03:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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