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2026-03-12 - 09:02
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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 Mar 12, 2026 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2901211754,23sleep10-21swapper/119:05:351
3186211551,58sleep20-21swapper/219:09:052
193421000,1sleep322897-21stress00:07:253
291029163,23sleep30-21swapper/319:05:413
318928355,23sleep00-21swapper/019:09:070
93632650,1sleep122897-21stress21:52:061
93632650,1sleep122897-21stress21:52:061
336199636,41cyclictest0-21swapper/100:00:281
336199616,44cyclictest0-21swapper/122:15:191
336199616,38cyclictest0-21swapper/100:05:161
336199606,44cyclictest0-21swapper/123:00:151
336199596,43cyclictest0-21swapper/100:25:181
336199595,41cyclictest0-21swapper/121:25:261
336199576,42cyclictest0-21swapper/122:40:011
336199576,41cyclictest0-21swapper/123:50:001
336199576,41cyclictest0-21swapper/122:10:241
336199556,46cyclictest0-21swapper/100:25:021
336199555,41cyclictest0-21swapper/123:15:241
336199547,44cyclictest0-21swapper/100:15:171
336199545,35cyclictest0-21swapper/123:55:191
336199545,35cyclictest0-21swapper/123:55:191
336199536,44cyclictest0-21swapper/123:30:351
336199536,44cyclictest0-21swapper/123:30:351
336199526,21cyclictest0-21swapper/123:40:221
336199526,21cyclictest0-21swapper/122:45:311
336199526,21cyclictest0-21swapper/121:35:291
336199516,42cyclictest0-21swapper/123:50:251
336199516,22cyclictest0-21swapper/121:55:161
336199516,21cyclictest0-21swapper/121:10:231
336199516,21cyclictest0-21swapper/100:30:151
336199506,41cyclictest0-21swapper/122:53:321
336199506,41cyclictest0-21swapper/121:35:021
336199506,22cyclictest0-21swapper/123:10:271
336199506,21cyclictest0-21swapper/123:25:251
336199506,21cyclictest0-21swapper/123:25:251
336199506,21cyclictest0-21swapper/122:25:161
336199506,21cyclictest0-21swapper/122:25:161
336199506,21cyclictest0-21swapper/100:10:231
336199506,20cyclictest0-21swapper/122:40:351
336199506,20cyclictest0-21swapper/122:05:191
336199496,41cyclictest0-21swapper/122:56:181
336199496,40cyclictest0-21swapper/123:35:321
336199496,40cyclictest0-21swapper/122:30:091
336199496,40cyclictest0-21swapper/122:00:171
336199496,40cyclictest0-21swapper/122:00:171
336199496,22cyclictest0-21swapper/123:20:171
336199496,21cyclictest0-21swapper/121:21:311
336199496,21cyclictest0-21swapper/121:21:311
336199486,20cyclictest0-21swapper/122:20:131
336199485,17cyclictest0-21swapper/119:45:221
46192470,1sleep222895-21stress22:57:322
336199476,20cyclictest0-21swapper/100:35:321
336199466,20cyclictest0-21swapper/121:00:171
336199456,21cyclictest0-21swapper/121:15:341
336199456,20cyclictest0-21swapper/119:50:121
336199455,23cyclictest0-21swapper/120:16:111
336199446,20cyclictest0-21swapper/120:20:211
336199446,20cyclictest0-21swapper/120:20:211
336199446,18cyclictest0-21swapper/120:25:101
336199445,23cyclictest0-21swapper/120:58:301
336199445,23cyclictest0-21swapper/119:27:211
3360994415,18cyclictest0-21swapper/000:35:170
336199438,16cyclictest0-21swapper/121:05:061
336199437,19cyclictest0-21swapper/120:35:111
336199436,20cyclictest0-21swapper/119:55:121
336199436,20cyclictest0-21swapper/119:15:111
336199436,18cyclictest0-21swapper/120:40:101
336199435,12cyclictest0-21swapper/120:51:211
336199435,12cyclictest0-21swapper/120:06:401
336199427,19cyclictest0-21swapper/119:35:171
336199426,20cyclictest0-21swapper/121:45:141
336199426,20cyclictest0-21swapper/120:45:171
336199426,20cyclictest0-21swapper/120:30:091
336199426,20cyclictest0-21swapper/120:00:201
336199426,20cyclictest0-21swapper/119:30:141
336199426,20cyclictest0-21swapper/119:20:101
336199425,21cyclictest0-21swapper/119:11:401
336199425,20cyclictest0-21swapper/123:05:331
336199425,20cyclictest0-21swapper/123:05:321
336199425,18cyclictest0-21swapper/119:40:101
336199416,19cyclictest0-21swapper/121:40:021
336199415,20cyclictest0-21swapper/120:10:171
3360994115,23cyclictest0-21swapper/021:15:170
3360994015,22cyclictest0-21swapper/021:37:460
141762405,14sleep20-21swapper/220:48:292
3362993915,21cyclictest0-21swapper/223:29:342
3362993915,21cyclictest0-21swapper/223:29:342
336099399,27cyclictest0-21swapper/022:05:080
3360993917,14cyclictest0-21swapper/000:05:330
3360993913,24cyclictest0-21swapper/022:22:290
3360993910,26cyclictest0-21swapper/000:10:050
3360993815,20cyclictest0-21swapper/000:26:340
3360993813,23cyclictest0-21swapper/023:06:510
3360993813,23cyclictest0-21swapper/023:06:500
3360993810,25cyclictest0-21swapper/021:56:440
3362993716,19cyclictest0-21swapper/222:01:072
3362993716,19cyclictest0-21swapper/222:01:062
3360993713,22cyclictest0-21swapper/023:57:280
3360993713,22cyclictest0-21swapper/023:57:280
81762365,14sleep20-21swapper/220:35:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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