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2026-06-21 - 17:11
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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 Sun Jun 21, 2026 12:45:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4537211552,58sleep20-21swapper/207:08:022
4362211451,57sleep00-21swapper/007:05:550
4610211254,53sleep10-21swapper/107:08:561
4399210350,48sleep30-21swapper/307:06:173
324342560,1sleep025599-21stress10:39:250
4796995111,29cyclictest0-21swapper/012:00:120
155392500,1sleep225599-21stress12:27:442
4796994815,30cyclictest0-21swapper/012:15:230
4796994815,30cyclictest0-21swapper/012:15:230
4796994812,34cyclictest0-21swapper/010:00:300
4796994512,30cyclictest0-21swapper/010:55:010
4799994415,26cyclictest0-21swapper/309:11:263
4796994413,21cyclictest0-21swapper/008:55:160
4796994412,29cyclictest0-21swapper/011:40:020
4796994412,29cyclictest0-21swapper/010:44:470
4796994412,29cyclictest0-21swapper/009:30:350
4796994411,25cyclictest0-21swapper/010:25:280
4796994410,19cyclictest0-21swapper/011:40:250
4796994410,19cyclictest0-21swapper/011:40:240
4796994312,29cyclictest0-21swapper/009:39:250
479699429,20cyclictest0-21swapper/010:05:300
479699422,24cyclictest25599-21stress11:32:240
479699421,28cyclictest25599-21stress12:10:210
4799994114,24cyclictest0-21swapper/310:10:323
4799994110,28cyclictest0-21swapper/309:30:163
479699413,29cyclictest17549-21fschecks_count08:50:140
479699413,28cyclictest25599-21stress09:40:220
479699413,24cyclictest25601-21stress11:15:160
479699413,22cyclictest25599-21stress11:00:300
4796994112,27cyclictest0-21swapper/011:45:140
4796994111,21cyclictest0-21swapper/009:25:170
4796994110,29cyclictest0-21swapper/012:30:180
4799994014,23cyclictest0-21swapper/311:51:343
479699408,24cyclictest0-21swapper/008:45:210
479699408,24cyclictest0-21swapper/008:35:240
479699408,18cyclictest0-21swapper/008:00:230
479699403,26cyclictest25599-21stress11:25:170
479699401,29cyclictest25601-21stress12:05:180
479699393,27cyclictest18036-21cat11:20:130
479699393,23cyclictest5935-21cron08:25:000
479699393,21cyclictest25601-21stress12:25:330
479699393,21cyclictest25601-21stress10:45:160
479699393,21cyclictest25599-21stress09:45:190
479699392,25cyclictest25600-21stress10:10:310
479699392,23cyclictest25601-21stress12:38:170
4796993913,23cyclictest0-21swapper/012:20:190
4796993912,24cyclictest0-21swapper/009:10:310
4796993911,26cyclictest0-21swapper/009:55:320
4796993911,25cyclictest0-21swapper/009:50:190
4796993911,25cyclictest0-21swapper/009:50:190
4796993911,25cyclictest0-21swapper/009:21:170
479999389,26cyclictest0-21swapper/311:13:213
479699389,27cyclictest0-21swapper/007:40:060
479699384,18cyclictest25601-21stress10:34:530
479699384,18cyclictest25601-21stress10:34:520
4796993811,22cyclictest0-21swapper/009:00:240
144302385,13sleep30-21swapper/308:42:463
81052375,16sleep20-21swapper/208:29:582
4799993711,23cyclictest0-21swapper/309:22:573
4798993712,22cyclictest0-21swapper/212:20:542
479699375,23cyclictest0-21swapper/007:10:130
4796993714,16cyclictest0-21swapper/008:25:060
4796993713,22cyclictest0-21swapper/010:15:140
4796993713,18cyclictest0-21swapper/008:11:290
4796993711,24cyclictest0-21swapper/011:55:250
187512375,15sleep30-21swapper/308:51:573
14072375,16sleep20-21swapper/208:14:222
95082365,14sleep30-21swapper/307:15:293
4799993616,17cyclictest0-21swapper/309:43:023
4799993615,18cyclictest0-21swapper/312:35:033
479699369,25cyclictest0-21swapper/011:50:220
479699369,25cyclictest0-21swapper/009:15:210
479699369,13cyclictest0-21swapper/007:30:170
479699365,23cyclictest0-21swapper/007:40:010
479699365,19cyclictest0-21swapper/007:15:170
479699361,32cyclictest7091-21cpu10:55:140
4796993611,23cyclictest0-21swapper/011:10:120
4796993611,23cyclictest0-21swapper/010:22:150
315502365,16sleep20-21swapper/208:08:332
230622365,16sleep10-21swapper/109:01:401
124292365,16sleep20-21swapper/208:39:522
479999359,23cyclictest0-21swapper/311:38:563
479999359,23cyclictest0-21swapper/310:29:513
4799993516,17cyclictest0-21swapper/309:50:093
4799993516,17cyclictest0-21swapper/309:50:083
4799993513,20cyclictest0-21swapper/310:15:183
4799993512,21cyclictest0-21swapper/310:46:203
4798993516,16cyclictest0-21swapper/211:46:512
4798993516,16cyclictest0-21swapper/211:16:582
4798993516,16cyclictest0-21swapper/209:27:022
479799358,24cyclictest0-21swapper/110:25:191
479699358,25cyclictest0-21swapper/007:28:570
479699358,18cyclictest0-21swapper/009:05:180
479699358,17cyclictest0-21swapper/007:47:430
230642355,10sleep30-21swapper/309:01:433
116992355,13sleep20-21swapper/207:20:492
58822345,10sleep30-21swapper/308:24:303
4799993415,17cyclictest0-21swapper/311:20:243
4799993413,19cyclictest0-21swapper/311:45:243
4799993412,20cyclictest0-21swapper/312:12:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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