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2026-06-10 - 16:31
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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 Wed Jun 10, 2026 12:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3113221450,1sleep05967-21stress12:35:220
17357212060,55sleep20-21swapper/207:08:222
17319211354,53sleep30-21swapper/307:07:543
1722629751,41sleep00-21swapper/007:06:470
1726828456,23sleep10-21swapper/107:07:161
189682630,1sleep05965-21stress10:52:550
189682630,1sleep05965-21stress10:52:550
17606994325,15cyclictest0-21swapper/010:08:470
17606994312,21cyclictest0-21swapper/010:55:240
1760699428,25cyclictest0-21swapper/009:55:240
1760699428,24cyclictest0-21swapper/011:15:230
1760699428,24cyclictest0-21swapper/009:10:340
1760699428,24cyclictest0-21swapper/009:10:340
17606994214,19cyclictest0-21swapper/011:20:170
16222410,1sleep25965-21stress10:14:032
1760699408,25cyclictest0-21swapper/007:45:060
1760699408,24cyclictest0-21swapper/007:25:000
1760699407,24cyclictest0-21swapper/010:35:180
17606994025,13cyclictest0-21swapper/010:44:100
17606994024,14cyclictest0-21swapper/011:45:180
1760699399,15cyclictest21887-21fschecks_time09:45:190
1760699399,15cyclictest21887-21fschecks_time09:45:190
1760699397,29cyclictest0-21swapper/012:15:210
1760699397,29cyclictest0-21swapper/010:29:110
1760699396,27cyclictest0-21swapper/008:05:230
17606993922,15cyclictest0-21swapper/009:15:260
17606993921,15cyclictest0-21swapper/009:50:130
17606993910,21cyclictest0-21swapper/008:55:460
196372385,13sleep30-21swapper/307:14:213
1760699389,16cyclictest5965-21stress09:20:210
1760699388,28cyclictest0-21swapper/009:25:340
1760699388,28cyclictest0-21swapper/008:45:150
1760699387,25cyclictest0-21swapper/008:50:530
1760699387,24cyclictest0-21swapper/012:06:000
1760699387,24cyclictest0-21swapper/012:06:000
17606993824,12cyclictest0-21swapper/010:10:170
17606993819,16cyclictest0-21swapper/011:25:320
17606993813,15cyclictest5965-21stress11:54:260
17606993812,16cyclictest0-21swapper/010:45:290
294332375,13sleep20-21swapper/208:49:432
1760699379,21cyclictest0-21swapper/009:05:140
1760699378,26cyclictest0-21swapper/009:43:170
1760699378,26cyclictest0-21swapper/009:43:170
1760699378,21cyclictest0-21swapper/007:50:200
1760699378,21cyclictest0-21swapper/007:50:190
1760699377,25cyclictest0-21swapper/008:20:060
1760699376,28cyclictest0-21swapper/011:43:430
1760699376,25cyclictest0-21swapper/008:18:390
17606993722,13cyclictest0-21swapper/012:28:570
17606993722,13cyclictest0-21swapper/011:34:110
17606993722,13cyclictest0-21swapper/011:34:100
17606993720,15cyclictest0-21swapper/012:20:260
17606993718,17cyclictest0-21swapper/010:20:340
17606993718,17cyclictest0-21swapper/010:20:330
17606993717,14cyclictest0-21swapper/008:10:120
17606993713,14cyclictest0-21swapper/009:05:000
17606993712,15cyclictest5967-21stress10:32:180
17606993712,14cyclictest5967-21stress10:15:190
17606993711,10cyclictest5967-21stress12:30:250
310442365,12sleep30-21swapper/307:36:013
17609993614,19cyclictest0-21swapper/312:35:393
1760699369,17cyclictest5965-21stress11:00:320
1760699368,21cyclictest0-21swapper/007:15:010
1760699368,20cyclictest0-21swapper/007:40:200
1760699368,19cyclictest0-21swapper/008:30:180
1760699368,10cyclictest5967-21stress11:05:330
1760699367,25cyclictest0-21swapper/008:37:140
1760699365,28cyclictest0-21swapper/012:10:240
1760699365,28cyclictest0-21swapper/009:35:330
17606993611,5cyclictest0-21swapper/008:00:190
17606993611,16cyclictest26397-21ntp_states08:40:190
17606993610,10cyclictest5965-21stress10:00:110
90742355,10sleep20-21swapper/208:00:232
57982355,13sleep20-21swapper/209:09:002
34102355,13sleep30-21swapper/309:01:353
315122355,13sleep30-21swapper/308:53:053
250082355,10sleep30-21swapper/308:38:293
247172355,10sleep30-21swapper/307:23:393
223972355,13sleep30-21swapper/307:17:013
206772355,13sleep30-21swapper/308:28:463
17608993511,21cyclictest0-21swapper/211:55:372
1760799358,20cyclictest0-21swapper/108:05:281
1760799355,24cyclictest0-21swapper/107:40:051
17607993512,20cyclictest0-21swapper/110:50:031
17607993512,20cyclictest0-21swapper/110:50:031
1760699359,15cyclictest5967-21stress09:30:100
1760699358,25cyclictest0-21swapper/007:32:390
1760699358,20cyclictest0-21swapper/007:38:260
1760699358,20cyclictest0-21swapper/007:25:210
1760699358,16cyclictest5965-21stress11:55:140
1760699356,21cyclictest0-21swapper/007:59:110
17606993512,13cyclictest5965-21stress11:10:280
17606993511,14cyclictest5965-21stress11:35:350
11442355,10sleep30-21swapper/307:44:563
57462345,13sleep30-21swapper/309:08:293
35192345,13sleep20-21swapper/209:02:542
291562345,10sleep30-21swapper/308:46:233
195862345,13sleep20-21swapper/207:13:392
186262345,11sleep10-21swapper/108:24:561
17609993414,17cyclictest0-21swapper/312:02:413
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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