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2025-12-01 - 18:48
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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 Dec 01, 2025 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5292212058,23sleep30-21swapper/307:07:473
5217211451,58sleep00-21swapper/007:06:490
5219211150,21sleep20-21swapper/207:06:512
534428757,25sleep10-21swapper/107:08:261
5591994417,24cyclictest0-21swapper/009:43:300
5591994218,21cyclictest0-21swapper/011:42:110
5591994210,29cyclictest0-21swapper/012:35:000
5594994110,28cyclictest0-21swapper/312:01:573
5594994110,28cyclictest0-21swapper/311:07:383
5591994117,21cyclictest0-21swapper/009:30:050
5591994116,22cyclictest0-21swapper/009:46:270
5591994114,25cyclictest0-21swapper/009:39:320
5591994112,26cyclictest0-21swapper/011:02:360
559499408,29cyclictest0-21swapper/312:22:263
559499407,17cyclictest0-21swapper/311:31:283
559199409,28cyclictest0-21swapper/010:00:290
559199408,30cyclictest0-21swapper/011:15:360
5591994014,23cyclictest0-21swapper/012:16:350
5591994014,23cyclictest0-21swapper/011:55:320
5591994014,23cyclictest0-21swapper/011:55:320
5591994013,24cyclictest0-21swapper/011:11:010
5591994010,27cyclictest0-21swapper/012:35:260
5591994010,27cyclictest0-21swapper/012:35:250
5591994010,27cyclictest0-21swapper/011:47:490
5594993910,26cyclictest0-21swapper/310:11:083
559199399,27cyclictest0-21swapper/011:27:230
559199399,27cyclictest0-21swapper/011:27:230
5591993916,20cyclictest0-21swapper/009:50:060
62542385,13sleep20-21swapper/208:20:242
559499388,28cyclictest0-21swapper/312:06:183
559499388,27cyclictest0-21swapper/312:10:583
559499387,28cyclictest0-21swapper/310:57:323
5594993811,24cyclictest0-21swapper/310:47:123
5594993810,25cyclictest0-21swapper/312:39:263
5594993810,25cyclictest0-21swapper/312:39:253
5594993810,25cyclictest0-21swapper/311:55:123
5594993810,25cyclictest0-21swapper/311:55:113
559199389,26cyclictest0-21swapper/009:15:390
5591993813,22cyclictest0-21swapper/009:20:090
5591993813,22cyclictest0-21swapper/009:20:090
324392385,13sleep20-21swapper/208:06:022
282642385,12sleep30-21swapper/307:58:203
90302375,13sleep30-21swapper/308:28:553
559499378,26cyclictest0-21swapper/312:28:003
559499378,26cyclictest0-21swapper/312:28:003
5594993713,22cyclictest0-21swapper/310:27:373
5594993711,24cyclictest0-21swapper/308:02:023
5594993711,23cyclictest0-21swapper/311:10:033
5593993715,19cyclictest0-21swapper/210:55:332
5593993712,22cyclictest0-21swapper/210:32:592
5591993712,22cyclictest0-21swapper/010:05:300
5591993712,22cyclictest0-21swapper/010:05:290
5591993710,24cyclictest0-21swapper/010:55:350
326392375,13sleep10-21swapper/108:08:361
266832375,13sleep10-21swapper/109:08:391
243612375,13sleep10-21swapper/109:02:061
198452375,13sleep30-21swapper/308:51:013
194162375,13sleep10-21swapper/107:38:211
177822375,13sleep30-21swapper/308:47:523
177822375,13sleep30-21swapper/308:47:523
170382375,13sleep10-21swapper/107:31:111
149172375,13sleep10-21swapper/107:27:191
148962375,13sleep20-21swapper/207:27:032
135052375,13sleep20-21swapper/208:39:412
128762375,13sleep10-21swapper/107:24:341
113062375,13sleep20-21swapper/208:34:322
75432365,12sleep10-21swapper/107:12:431
66362365,13sleep00-21swapper/008:21:390
559499368,25cyclictest0-21swapper/311:20:203
5594993610,23cyclictest0-21swapper/311:00:043
5594993610,23cyclictest0-21swapper/310:20:493
5593993612,21cyclictest0-21swapper/210:55:002
5592993613,20cyclictest0-21swapper/109:45:271
5592993613,20cyclictest0-21swapper/109:10:061
559199369,24cyclictest0-21swapper/012:20:100
559199369,24cyclictest0-21swapper/009:10:230
5591993613,20cyclictest0-21swapper/012:25:300
5591993613,20cyclictest0-21swapper/012:25:300
5591993613,20cyclictest0-21swapper/009:25:210
5591993613,20cyclictest0-21swapper/009:25:200
326492365,12sleep30-21swapper/308:08:423
265672365,12sleep30-21swapper/309:07:173
245062365,13sleep00-21swapper/009:03:530
154262365,13sleep30-21swapper/308:40:583
125742365,12sleep20-21swapper/207:20:462
105762365,13sleep30-21swapper/307:18:183
559499359,23cyclictest0-21swapper/311:15:103
559499359,23cyclictest0-21swapper/310:17:473
5594993511,21cyclictest0-21swapper/312:15:053
5594993511,21cyclictest0-21swapper/309:25:253
5594993511,21cyclictest0-21swapper/309:25:253
5594993510,22cyclictest0-21swapper/309:20:273
5594993510,22cyclictest0-21swapper/309:20:263
559399358,25cyclictest0-21swapper/209:00:262
559399357,25cyclictest0-21swapper/209:44:512
5593993514,18cyclictest0-21swapper/212:15:322
5593993512,19cyclictest0-21swapper/209:10:562
559299356,27cyclictest0-21swapper/108:20:161
5591993516,16cyclictest0-21swapper/010:20:080
5591993514,18cyclictest0-21swapper/011:35:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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