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2026-05-20 - 01:02
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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 Tue May 19, 2026 12:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1886121280,1sleep01841-21stress11:01:200
13615211552,58sleep00-21swapper/007:08:310
13489211358,19sleep30-21swapper/307:06:593
13561211252,55sleep20-21swapper/207:07:532
13626211151,55sleep10-21swapper/107:08:411
199521020,8sleep01383299cyclictest09:10:010
199521020,8sleep01383299cyclictest09:10:010
128292710,2sleep01841-21stress09:35:020
1383399668,43cyclictest0-21swapper/110:10:261
1383399658,18cyclictest0-21swapper/112:35:341
13833996510,45cyclictest0-21swapper/111:18:131
1383399646,47cyclictest0-21swapper/109:45:461
1383399646,19cyclictest0-21swapper/109:25:021
13833996410,35cyclictest0-21swapper/111:50:001
1383399639,43cyclictest0-21swapper/109:18:511
1383399636,17cyclictest0-21swapper/110:35:141
13833996311,37cyclictest0-21swapper/110:00:001
1383399626,45cyclictest0-21swapper/111:30:311
1383399619,41cyclictest0-21swapper/109:33:491
13833996111,39cyclictest0-21swapper/109:40:211
1383399606,43cyclictest0-21swapper/112:10:001
1383399605,44cyclictest0-21swapper/110:33:521
13833996011,39cyclictest0-21swapper/112:00:311
13833996011,39cyclictest0-21swapper/112:00:311
1383399599,35cyclictest0-21swapper/111:28:031
1383399595,43cyclictest0-21swapper/110:03:351
1383399595,39cyclictest0-21swapper/109:14:511
1383399595,39cyclictest0-21swapper/109:14:511
13833995911,33cyclictest0-21swapper/112:00:011
1383399589,38cyclictest0-21swapper/110:55:231
1383399586,37cyclictest0-21swapper/110:18:161
1383399586,37cyclictest0-21swapper/110:18:161
1383399578,39cyclictest0-21swapper/109:35:261
13833995412,39cyclictest0-21swapper/112:20:171
13833995412,21cyclictest0-21swapper/112:15:291
13833995412,21cyclictest0-21swapper/109:50:271
13833995411,21cyclictest0-21swapper/112:10:231
13833995410,22cyclictest0-21swapper/109:25:261
1383399536,26cyclictest0-21swapper/111:40:241
13833995312,38cyclictest0-21swapper/110:24:051
13833995312,38cyclictest0-21swapper/110:24:051
13833995312,20cyclictest0-21swapper/110:28:141
13833995311,21cyclictest0-21swapper/111:50:331
13833995310,40cyclictest0-21swapper/111:35:131
1383399528,29cyclictest0-21swapper/110:08:191
13833995212,37cyclictest0-21swapper/111:06:571
13833995210,21cyclictest0-21swapper/112:25:261
13833995111,37cyclictest0-21swapper/111:20:101
13833995111,20cyclictest0-21swapper/111:11:111
1383399496,40cyclictest0-21swapper/110:44:111
1383399495,17cyclictest0-21swapper/108:50:011
13833994912,20cyclictest0-21swapper/112:30:171
13833994812,19cyclictest0-21swapper/108:35:111
13833994811,19cyclictest0-21swapper/108:15:251
1383399475,26cyclictest0-21swapper/108:44:181
13833994712,19cyclictest0-21swapper/108:25:171
13833994712,19cyclictest0-21swapper/107:25:171
1383399465,25cyclictest0-21swapper/109:08:481
1383399465,25cyclictest0-21swapper/109:08:481
1383399465,25cyclictest0-21swapper/108:59:371
1383399465,25cyclictest0-21swapper/107:58:581
1383399465,25cyclictest0-21swapper/107:52:481
1383399465,25cyclictest0-21swapper/107:43:271
1383399465,25cyclictest0-21swapper/107:34:081
1383399465,25cyclictest0-21swapper/107:34:071
1383399465,25cyclictest0-21swapper/107:24:471
1383399465,13cyclictest0-21swapper/107:38:171
1383399456,13cyclictest0-21swapper/110:45:231
1383399456,13cyclictest0-21swapper/110:45:231
1383399455,18cyclictest0-21swapper/110:50:291
1383399455,18cyclictest0-21swapper/110:50:291
1383399455,12cyclictest0-21swapper/107:10:181
13833994511,19cyclictest0-21swapper/107:45:241
1383399447,16cyclictest0-21swapper/108:30:031
1383399445,22cyclictest0-21swapper/108:14:301
1383399445,22cyclictest0-21swapper/108:00:451
1383399445,17cyclictest0-21swapper/108:09:051
13833994412,15cyclictest0-21swapper/107:15:271
13833994411,19cyclictest0-21swapper/108:50:201
1383399438,14cyclictest0-21swapper/108:20:071
1383399435,16cyclictest0-21swapper/109:00:061
1383399395,17cyclictest0-21swapper/111:00:171
187772385,11sleep20-21swapper/207:18:282
57332375,11sleep00-21swapper/008:01:290
317592374,11sleep20-21swapper/207:48:472
297172375,11sleep00-21swapper/008:59:080
173202370,17sleep01841-21stress09:45:120
1383299378,20cyclictest0-21swapper/008:15:150
13832993711,20cyclictest0-21swapper/008:10:050
295802364,11sleep30-21swapper/307:43:553
233302365,11sleep30-21swapper/308:44:523
14032365,12sleep20-21swapper/207:52:122
13832993615,18cyclictest0-21swapper/010:50:550
13832993615,18cyclictest0-21swapper/010:50:540
117122364,11sleep30-21swapper/308:15:243
316772354,11sleep30-21swapper/307:47:523
295792353,11sleep30-21swapper/308:57:263
294862355,9sleep20-21swapper/208:56:162
272562355,11sleep30-21swapper/307:36:453
231982355,11sleep20-21swapper/208:43:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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