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2025-12-11 - 21:31
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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 Dec 11, 2025 12:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
860212663,23sleep30-21swapper/307:07:423
1024211655,56sleep20-21swapper/207:09:252
1012211050,55sleep10-21swapper/107:09:161
72528251,26sleep00-21swapper/007:06:030
1183994120,18cyclictest0-21swapper/010:14:440
304962395,13sleep30-21swapper/308:13:223
1183993922,15cyclictest0-21swapper/012:30:270
1183993922,15cyclictest0-21swapper/011:33:490
83872385,13sleep20-21swapper/207:23:342
83872385,13sleep20-21swapper/207:23:332
300912380,1sleep022635-21stress11:51:250
24132385,10sleep30-21swapper/307:10:273
170902385,13sleep20-21swapper/207:41:332
1186993812,23cyclictest0-21swapper/311:42:383
1185993811,24cyclictest0-21swapper/211:13:482
118399388,27cyclictest0-21swapper/010:25:280
1183993820,16cyclictest0-21swapper/009:30:110
30632375,13sleep20-21swapper/207:11:542
303402375,13sleep10-21swapper/108:11:231
260632375,13sleep10-21swapper/108:03:011
224222375,13sleep30-21swapper/309:08:193
224222375,13sleep30-21swapper/309:08:193
217682375,13sleep30-21swapper/307:54:253
157342375,13sleep30-21swapper/308:53:333
156712375,13sleep20-21swapper/208:52:422
134302375,12sleep20-21swapper/208:47:372
118699376,29cyclictest0-21swapper/312:26:043
1186993712,22cyclictest0-21swapper/310:05:253
1184993715,19cyclictest0-21swapper/112:37:291
1184993715,19cyclictest0-21swapper/112:37:281
1183993720,15cyclictest0-21swapper/010:43:470
1183993720,15cyclictest0-21swapper/010:43:470
88922365,12sleep30-21swapper/308:36:033
60762365,12sleep30-21swapper/307:17:183
304232365,11sleep20-21swapper/208:12:292
30052365,13sleep10-21swapper/107:11:131
201772365,10sleep20-21swapper/209:03:372
133132365,13sleep30-21swapper/308:46:183
126292365,13sleep20-21swapper/207:31:232
118699368,25cyclictest0-21swapper/310:49:523
118699368,25cyclictest0-21swapper/310:49:523
1186993612,22cyclictest0-21swapper/310:55:303
1185993612,21cyclictest0-21swapper/209:27:462
118399368,26cyclictest0-21swapper/008:37:350
1183993620,14cyclictest0-21swapper/009:15:360
43712355,11sleep00-21swapper/007:15:050
261962355,10sleep20-21swapper/208:04:352
155832355,12sleep10-21swapper/108:51:341
1186993513,19cyclictest0-21swapper/310:20:343
1185993512,20cyclictest0-21swapper/211:16:372
1185993512,20cyclictest0-21swapper/211:16:372
118499355,21cyclictest0-21swapper/110:40:331
118499355,21cyclictest0-21swapper/110:40:321
1184993513,19cyclictest0-21swapper/109:53:161
1184993511,5cyclictest29799-21kworker/u8:010:40:001
1183993520,14cyclictest0-21swapper/007:20:550
1183993520,14cyclictest0-21swapper/007:20:550
1183993519,14cyclictest0-21swapper/010:08:290
1183993518,15cyclictest0-21swapper/011:45:340
1183993511,18cyclictest0-21swapper/007:50:060
89632345,10sleep20-21swapper/208:36:592
68332345,10sleep20-21swapper/208:32:542
66982345,10sleep30-21swapper/308:31:193
284402345,10sleep10-21swapper/108:09:361
25062345,11sleep00-21swapper/008:23:500
236462345,10sleep00-21swapper/007:55:280
201912345,10sleep30-21swapper/309:03:463
180262345,10sleep20-21swapper/208:59:362
118699347,24cyclictest0-21swapper/309:23:393
1185993416,16cyclictest0-21swapper/210:21:582
1185993416,15cyclictest0-21swapper/212:04:452
1185993416,15cyclictest0-21swapper/209:20:342
1185993412,19cyclictest0-21swapper/209:37:292
1185993411,20cyclictest0-21swapper/210:48:442
1185993411,20cyclictest0-21swapper/210:48:442
1185993411,20cyclictest0-21swapper/210:11:322
1184993415,16cyclictest0-21swapper/109:43:111
1184993415,16cyclictest0-21swapper/109:43:111
118399348,24cyclictest0-21swapper/008:05:350
1183993418,14cyclictest0-21swapper/010:45:210
1183993418,14cyclictest0-21swapper/010:45:210
1183993416,15cyclictest0-21swapper/012:26:290
82522335,10sleep10-21swapper/107:21:531
82522335,10sleep10-21swapper/107:21:521
46142335,10sleep00-21swapper/008:27:460
172652335,10sleep00-21swapper/007:43:400
118699337,24cyclictest0-21swapper/309:34:283
118699335,25cyclictest0-21swapper/309:45:273
1186993314,17cyclictest0-21swapper/311:05:373
1186993310,21cyclictest0-21swapper/309:53:343
1186993310,21cyclictest0-21swapper/309:40:483
1186993310,21cyclictest0-21swapper/309:40:473
1185993315,16cyclictest0-21swapper/211:08:102
1185993315,15cyclictest0-21swapper/212:30:052
1185993315,15cyclictest0-21swapper/209:13:472
1185993314,16cyclictest0-21swapper/211:50:332
1185993313,17cyclictest0-21swapper/210:27:422
118499336,17cyclictest0-21swapper/112:10:231
1184993315,16cyclictest0-21swapper/111:44:541
1184993314,16cyclictest0-21swapper/110:18:451
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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