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2026-06-26 - 01:48
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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 Thu Jun 25, 2026 12:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24028212363,55sleep20-21swapper/207:08:012
24137212060,55sleep30-21swapper/307:09:233
23857211453,56sleep10-21swapper/107:05:511
2230529454,35sleep00-21swapper/007:05:020
318242660,2sleep212885-21stress12:20:182
2429799625,54cyclictest0-21swapper/011:55:040
2429799618,23cyclictest0-21swapper/007:30:060
24297995815,40cyclictest0-21swapper/009:20:170
24297995415,16cyclictest0-21swapper/011:15:130
24297995315,17cyclictest0-21swapper/008:20:060
257122520,1sleep012886-21stress09:37:440
257122520,1sleep012886-21stress09:37:440
24297995216,16cyclictest0-21swapper/008:12:550
24297995213,36cyclictest0-21swapper/011:07:110
2429799516,22cyclictest0-21swapper/010:55:290
2429799515,27cyclictest0-21swapper/008:17:350
24297995115,34cyclictest0-21swapper/008:01:480
24297995114,13cyclictest0-21swapper/008:45:370
24297995111,17cyclictest0-21swapper/012:00:160
24297995111,17cyclictest0-21swapper/012:00:160
24297995110,17cyclictest0-21swapper/009:50:000
2429799505,27cyclictest0-21swapper/007:59:350
24297995015,16cyclictest0-21swapper/007:45:550
24297995010,17cyclictest0-21swapper/008:38:470
2429799495,23cyclictest0-21swapper/009:20:010
2429799495,23cyclictest0-21swapper/009:20:010
24301994821,24cyclictest0-21swapper/311:42:093
2429799485,27cyclictest0-21swapper/008:08:350
24297994813,18cyclictest0-21swapper/011:50:240
2430199475,39cyclictest0-21swapper/311:05:313
24301994722,23cyclictest0-21swapper/309:21:523
2429799479,18cyclictest0-21swapper/007:35:030
2429799479,18cyclictest0-21swapper/007:35:030
2429799478,19cyclictest0-21swapper/007:10:210
2429799476,18cyclictest0-21swapper/007:17:070
2429799476,14cyclictest0-21swapper/012:26:090
2429799475,23cyclictest0-21swapper/008:55:250
2429799475,20cyclictest0-21swapper/012:15:010
24297994714,13cyclictest0-21swapper/010:30:170
24297994712,15cyclictest0-21swapper/011:30:220
24297994712,12cyclictest0-21swapper/012:15:240
2430199465,38cyclictest0-21swapper/310:55:293
24301994621,22cyclictest0-21swapper/312:25:563
24301994621,22cyclictest0-21swapper/311:38:353
24297994614,17cyclictest0-21swapper/011:43:160
24297994613,13cyclictest0-21swapper/011:25:020
2430199455,17cyclictest0-21swapper/310:14:433
24301994521,21cyclictest0-21swapper/309:34:353
2429799456,22cyclictest0-21swapper/011:38:310
2429799456,19cyclictest0-21swapper/010:15:300
2429799455,19cyclictest0-21swapper/010:45:180
24297994517,26cyclictest0-21swapper/010:26:350
24297994517,26cyclictest0-21swapper/010:26:350
24297994514,12cyclictest0-21swapper/009:25:220
24297994513,12cyclictest0-21swapper/011:25:020
24297994511,20cyclictest0-21swapper/009:55:460
2430199449,33cyclictest0-21swapper/311:27:593
2430199449,33cyclictest0-21swapper/311:02:013
2430199446,36cyclictest0-21swapper/311:20:213
24301994422,19cyclictest0-21swapper/312:18:073
24301994420,21cyclictest0-21swapper/309:43:023
24301994420,21cyclictest0-21swapper/309:43:023
2429799449,18cyclictest0-21swapper/007:28:230
2429799449,13cyclictest0-21swapper/008:40:050
2429799446,18cyclictest0-21swapper/007:20:060
2429799445,23cyclictest0-21swapper/008:28:250
2430199434,19cyclictest0-21swapper/308:30:223
24301994324,16cyclictest0-21swapper/309:37:573
24301994324,16cyclictest0-21swapper/309:37:573
24301994322,18cyclictest0-21swapper/310:01:203
24301994321,19cyclictest0-21swapper/309:56:143
2429799435,22cyclictest0-21swapper/008:34:450
2429799435,20cyclictest0-21swapper/010:10:170
2429799435,19cyclictest0-21swapper/007:40:470
24297994313,14cyclictest0-21swapper/009:07:480
24297994313,14cyclictest0-21swapper/009:07:480
24297994313,12cyclictest0-21swapper/011:02:190
24297994310,17cyclictest0-21swapper/007:50:240
24297994310,14cyclictest0-21swapper/010:35:230
2430199424,19cyclictest0-21swapper/308:20:203
2430199424,18cyclictest0-21swapper/307:35:173
2430199424,18cyclictest0-21swapper/307:35:173
2430199423,21cyclictest0-21swapper/307:55:193
2430199423,21cyclictest0-21swapper/307:45:213
2430199423,20cyclictest0-21swapper/308:40:143
2430199423,20cyclictest0-21swapper/308:10:143
2430199423,20cyclictest0-21swapper/307:15:143
2430199423,19cyclictest0-21swapper/307:40:183
24301994221,19cyclictest0-21swapper/309:14:253
2429799428,16cyclictest0-21swapper/008:52:480
2429799425,19cyclictest0-21swapper/011:15:020
2430199415,18cyclictest0-21swapper/308:55:173
2430199413,36cyclictest0-21swapper/310:40:253
2430199413,35cyclictest0-21swapper/311:30:133
2430199413,20cyclictest0-21swapper/308:50:183
2430199413,20cyclictest0-21swapper/308:25:143
2430199413,20cyclictest0-21swapper/308:15:203
2430199413,19cyclictest0-21swapper/309:05:143
2430199413,19cyclictest0-21swapper/309:05:143
2430199413,19cyclictest0-21swapper/307:20:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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