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2026-07-12 - 01:28
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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 Sat Jul 11, 2026 12:45:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19891212560,59sleep20-21swapper/207:07:102
19794211858,20sleep30-21swapper/307:05:543
19785211150,55sleep00-21swapper/007:05:470
1983228557,23sleep10-21swapper/107:06:241
102542580,1sleep39071-21stress10:25:193
20222994713,23cyclictest0-21swapper/110:25:281
20221994411,30cyclictest0-21swapper/009:23:340
2022199437,21cyclictest0-21swapper/010:25:300
71152425,13sleep30-21swapper/309:05:123
20224994116,22cyclictest0-21swapper/311:03:163
20221994116,22cyclictest0-21swapper/011:20:250
20223994012,25cyclictest0-21swapper/212:05:152
20223994012,14cyclictest0-21swapper/210:20:402
20221994014,22cyclictest0-21swapper/011:10:320
20221994011,26cyclictest0-21swapper/010:30:070
20221994011,26cyclictest0-21swapper/010:30:070
212512395,13sleep00-21swapper/008:21:350
2022499399,27cyclictest0-21swapper/310:13:243
2022299399,20cyclictest0-21swapper/112:21:031
2022299399,20cyclictest0-21swapper/109:50:181
301792385,13sleep20-21swapper/208:43:342
251822385,13sleep00-21swapper/007:18:070
20224993815,21cyclictest0-21swapper/311:34:493
20224993812,23cyclictest0-21swapper/309:13:573
2022299387,22cyclictest0-21swapper/112:38:411
2022299387,21cyclictest0-21swapper/110:05:171
20222993821,15cyclictest0-21swapper/109:25:221
20222993821,15cyclictest0-21swapper/109:20:311
20222993819,16cyclictest0-21swapper/109:49:061
161232385,13sleep00-21swapper/008:10:200
125942385,13sleep20-21swapper/208:03:092
45712375,13sleep20-21swapper/208:59:502
271662375,13sleep20-21swapper/207:20:342
258382375,12sleep30-21swapper/308:34:093
258382375,12sleep30-21swapper/308:34:093
20224993714,21cyclictest0-21swapper/310:44:423
20224993713,21cyclictest0-21swapper/312:30:243
20223993714,20cyclictest0-21swapper/211:04:502
20223993713,21cyclictest0-21swapper/212:39:072
2022299378,20cyclictest0-21swapper/111:50:141
146522375,13sleep30-21swapper/308:06:343
86612365,13sleep20-21swapper/209:06:002
65622365,12sleep00-21swapper/009:02:010
294482365,13sleep00-21swapper/007:26:570
250782365,13sleep20-21swapper/207:16:532
21322365,13sleep20-21swapper/208:52:412
20224993613,21cyclictest0-21swapper/310:57:293
20223993614,19cyclictest0-21swapper/211:40:262
20223993614,19cyclictest0-21swapper/211:40:262
20223993614,19cyclictest0-21swapper/210:54:162
2022299367,20cyclictest0-21swapper/111:18:551
2022299366,21cyclictest0-21swapper/109:10:121
2022299362,27cyclictest0-21swapper/110:50:011
20222993622,12cyclictest0-21swapper/112:30:291
20222993617,17cyclictest0-21swapper/111:30:011
20222993614,19cyclictest0-21swapper/112:25:281
2022199367,26cyclictest0-21swapper/009:56:300
2022199367,26cyclictest0-21swapper/009:56:300
20221993611,22cyclictest0-21swapper/010:00:180
125872365,12sleep00-21swapper/008:03:020
37492355,13sleep20-21swapper/207:41:512
271622355,10sleep30-21swapper/307:20:313
20224993516,17cyclictest0-21swapper/309:40:153
20224993515,18cyclictest0-21swapper/311:44:233
20224993515,18cyclictest0-21swapper/311:44:233
20224993515,17cyclictest0-21swapper/309:15:323
20224993513,20cyclictest0-21swapper/310:51:483
20224993511,21cyclictest0-21swapper/312:12:063
2022399358,24cyclictest0-21swapper/210:09:062
20223993515,17cyclictest0-21swapper/209:55:182
20223993515,17cyclictest0-21swapper/209:55:182
20223993515,17cyclictest0-21swapper/209:50:212
20223993515,17cyclictest0-21swapper/209:30:152
20223993512,20cyclictest0-21swapper/209:20:022
20222993520,13cyclictest0-21swapper/111:12:361
20222993518,15cyclictest0-21swapper/112:05:211
20222993516,17cyclictest0-21swapper/110:50:251
20222993515,17cyclictest0-21swapper/111:00:291
81502345,10sleep00-21swapper/007:51:550
317392345,10sleep20-21swapper/207:32:322
20224993410,21cyclictest0-21swapper/312:15:213
20224993410,21cyclictest0-21swapper/312:15:213
20223993415,17cyclictest0-21swapper/211:35:112
20223993415,16cyclictest0-21swapper/212:25:342
20223993415,16cyclictest0-21swapper/212:10:082
20223993415,16cyclictest0-21swapper/211:45:242
20223993415,16cyclictest0-21swapper/211:45:242
20223993415,16cyclictest0-21swapper/211:34:562
20223993415,16cyclictest0-21swapper/210:35:342
20223993414,17cyclictest0-21swapper/210:25:142
20223993413,18cyclictest0-21swapper/210:45:042
20223993412,19cyclictest0-21swapper/211:25:302
2022299347,19cyclictest0-21swapper/111:35:341
2022299346,20cyclictest0-21swapper/109:55:281
2022299346,20cyclictest0-21swapper/109:55:281
20222993420,12cyclictest0-21swapper/112:17:141
20222993420,12cyclictest0-21swapper/112:17:141
20222993420,12cyclictest0-21swapper/110:34:301
20222993420,12cyclictest0-21swapper/110:34:301
20222993419,13cyclictest0-21swapper/109:15:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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