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2026-09-17 - 03:01
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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 Sep 17, 2026 00:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22947212159,56sleep30-21swapper/319:06:303
23046211151,21sleep10-21swapper/119:07:411
23090210457,43sleep20-21swapper/219:08:142
2312528657,24sleep00-21swapper/019:08:400
23336997013,47cyclictest0-21swapper/122:55:321
138302700,1sleep113100-21stress22:21:181
23336996312,41cyclictest0-21swapper/123:59:261
23336996312,37cyclictest0-21swapper/123:10:021
23336996312,37cyclictest0-21swapper/123:10:011
23336995913,43cyclictest0-21swapper/121:50:141
2333699576,28cyclictest0-21swapper/122:30:211
2333699576,15cyclictest0-21swapper/121:15:011
23336995713,41cyclictest0-21swapper/100:35:271
23336995713,21cyclictest0-21swapper/122:35:271
23336995713,21cyclictest0-21swapper/122:35:271
2333699566,47cyclictest0-21swapper/100:01:191
2333699556,29cyclictest0-21swapper/121:35:321
2333699556,28cyclictest0-21swapper/122:41:361
2333699556,28cyclictest0-21swapper/122:41:361
2333699556,27cyclictest0-21swapper/100:20:181
2333699556,27cyclictest0-21swapper/100:20:181
23336995513,20cyclictest0-21swapper/122:09:251
23336995513,20cyclictest0-21swapper/122:09:251
23336995512,40cyclictest0-21swapper/100:25:111
23336995512,40cyclictest0-21swapper/100:25:111
23336995512,21cyclictest0-21swapper/100:15:011
2333699546,28cyclictest0-21swapper/123:10:261
2333699546,28cyclictest0-21swapper/123:10:261
23336995413,20cyclictest0-21swapper/123:15:151
23336995413,20cyclictest0-21swapper/123:15:151
2333699537,27cyclictest0-21swapper/123:00:321
2333699536,44cyclictest0-21swapper/122:15:311
2333699536,27cyclictest0-21swapper/100:05:251
23336995312,21cyclictest0-21swapper/123:50:031
23336995312,21cyclictest0-21swapper/123:50:021
2333699527,22cyclictest0-21swapper/122:45:301
2333699526,26cyclictest0-21swapper/122:50:161
23336995213,20cyclictest0-21swapper/121:27:371
2333699517,41cyclictest0-21swapper/121:45:271
2333699516,18cyclictest0-21swapper/123:45:361
2333699516,18cyclictest0-21swapper/123:45:361
23336995113,35cyclictest0-21swapper/122:03:091
23336995113,35cyclictest0-21swapper/122:03:091
23336995113,20cyclictest0-21swapper/123:20:251
2333699506,23cyclictest0-21swapper/121:34:381
2333699496,18cyclictest0-21swapper/123:25:271
2333699496,17cyclictest0-21swapper/100:15:261
2333699486,39cyclictest0-21swapper/100:30:311
23336994810,35cyclictest0-21swapper/122:10:261
23336994810,35cyclictest0-21swapper/122:10:261
23336994810,35cyclictest0-21swapper/121:40:181
2333699479,16cyclictest0-21swapper/119:34:431
2333699476,24cyclictest0-21swapper/121:56:271
2333699476,24cyclictest0-21swapper/121:56:261
2333699476,18cyclictest0-21swapper/122:25:121
2333699469,15cyclictest0-21swapper/120:01:441
2333699469,15cyclictest0-21swapper/119:35:071
2333699466,20cyclictest0-21swapper/123:35:251
2333699466,17cyclictest0-21swapper/121:20:231
2333699466,17cyclictest0-21swapper/121:20:231
2333699465,25cyclictest0-21swapper/120:57:351
2333699465,25cyclictest0-21swapper/120:23:551
2333699465,24cyclictest0-21swapper/119:40:101
23336994613,15cyclictest0-21swapper/121:15:261
207042460,1sleep013102-21stress22:38:580
207042460,1sleep013102-21stress22:38:580
2333699458,15cyclictest0-21swapper/123:40:351
2333699455,23cyclictest0-21swapper/121:05:141
2333699455,23cyclictest0-21swapper/121:00:441
2333699455,23cyclictest0-21swapper/119:45:181
2333699455,23cyclictest0-21swapper/119:29:121
2333699455,22cyclictest0-21swapper/120:37:011
2333699455,22cyclictest0-21swapper/120:37:011
23336994514,15cyclictest0-21swapper/120:32:361
2333699446,17cyclictest0-21swapper/119:55:491
2333699445,22cyclictest0-21swapper/119:16:371
2333699445,21cyclictest0-21swapper/120:16:321
2333699445,21cyclictest0-21swapper/119:53:091
2333699437,16cyclictest0-21swapper/120:05:161
2333699435,21cyclictest0-21swapper/120:25:551
2333699435,15cyclictest0-21swapper/120:52:141
23336994313,15cyclictest0-21swapper/120:48:551
2333699425,20cyclictest0-21swapper/120:11:071
23336994212,13cyclictest0-21swapper/119:10:021
23336994211,15cyclictest0-21swapper/120:43:371
2333599427,32cyclictest0-21swapper/023:30:200
2333699415,19cyclictest0-21swapper/119:20:361
2333599407,30cyclictest0-21swapper/000:10:180
2333599406,19cyclictest0-21swapper/021:49:040
125612400,3sleep313100-21stress22:20:143
23335993815,21cyclictest0-21swapper/000:30:260
23335993813,22cyclictest0-21swapper/000:36:010
23338993715,19cyclictest0-21swapper/300:37:033
2333699376,12cyclictest0-21swapper/123:35:021
2333599378,26cyclictest0-21swapper/023:40:330
2333599377,27cyclictest0-21swapper/023:20:210
2333599377,27cyclictest0-21swapper/022:50:560
23337993615,18cyclictest0-21swapper/200:01:512
23335993615,18cyclictest0-21swapper/021:10:280
23335993611,22cyclictest0-21swapper/023:55:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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