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2026-06-18 - 23:50
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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 18, 2026 12:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24906212666,20sleep20-21swapper/207:05:282
25223211050,55sleep10-21swapper/107:09:321
25102210449,19sleep30-21swapper/307:08:023
2313629652,38sleep00-21swapper/007:05:010
25365994111,23cyclictest0-21swapper/008:53:170
25365994111,23cyclictest0-21swapper/008:53:170
25365994013,24cyclictest0-21swapper/012:09:220
25365994010,23cyclictest0-21swapper/007:12:490
25365993911,23cyclictest0-21swapper/007:39:480
25365993911,21cyclictest0-21swapper/008:07:170
19762395,13sleep20-21swapper/207:25:252
65462385,13sleep20-21swapper/207:35:402
324142385,13sleep20-21swapper/207:21:442
274172385,13sleep20-21swapper/207:14:192
271042385,13sleep30-21swapper/307:10:273
261532385,13sleep20-21swapper/208:21:192
25366993815,20cyclictest0-21swapper/112:25:131
25366993813,22cyclictest0-21swapper/111:17:261
25366993813,22cyclictest0-21swapper/111:17:261
2536599389,26cyclictest0-21swapper/010:56:470
25365993811,21cyclictest0-21swapper/008:39:480
25365993811,21cyclictest0-21swapper/008:25:170
25365993810,22cyclictest0-21swapper/007:40:480
25365993810,21cyclictest0-21swapper/008:40:500
25365993810,21cyclictest0-21swapper/007:59:170
175572385,13sleep20-21swapper/208:02:272
92132375,13sleep20-21swapper/208:57:172
68342375,13sleep30-21swapper/307:39:103
49362375,13sleep20-21swapper/208:48:302
49362375,13sleep20-21swapper/208:48:302
307172375,13sleep00-21swapper/008:33:320
305322375,13sleep20-21swapper/208:31:262
302642375,13sleep10-21swapper/107:17:381
25367993715,19cyclictest0-21swapper/211:05:172
25366993714,21cyclictest0-21swapper/111:26:291
2536599378,23cyclictest0-21swapper/007:22:480
2536599376,23cyclictest0-21swapper/008:49:560
2536599376,23cyclictest0-21swapper/008:49:550
25365993711,21cyclictest0-21swapper/008:00:320
242302375,13sleep10-21swapper/108:19:381
240412375,13sleep30-21swapper/308:17:193
196072375,13sleep30-21swapper/308:06:163
133352375,13sleep20-21swapper/207:54:252
112982375,13sleep00-21swapper/009:01:270
110052375,13sleep20-21swapper/207:47:232
90052365,13sleep30-21swapper/307:44:153
43982365,13sleep00-21swapper/007:31:170
327322365,12sleep20-21swapper/208:36:072
304342365,13sleep00-21swapper/007:19:460
273852365,13sleep10-21swapper/107:13:571
262922365,13sleep10-21swapper/108:23:071
25368993615,18cyclictest0-21swapper/310:24:533
25366993615,14cyclictest0-21swapper/111:30:271
25366993614,20cyclictest0-21swapper/112:33:131
25366993614,20cyclictest0-21swapper/110:10:231
25366993613,21cyclictest0-21swapper/112:15:271
25366993613,21cyclictest0-21swapper/110:50:031
25366993613,21cyclictest0-21swapper/110:49:141
2536599369,21cyclictest0-21swapper/008:20:340
25365993613,20cyclictest0-21swapper/010:08:520
25365993610,20cyclictest0-21swapper/008:11:170
242552365,13sleep20-21swapper/208:19:552
219822365,12sleep20-21swapper/208:13:452
174392365,13sleep10-21swapper/108:01:011
135242365,12sleep30-21swapper/309:07:083
131392365,13sleep10-21swapper/107:52:031
110472365,12sleep30-21swapper/307:47:563
109182365,13sleep10-21swapper/107:46:181
96982355,10sleep20-21swapper/209:00:052
87972355,10sleep20-21swapper/207:41:372
306622355,12sleep10-21swapper/108:32:531
25368993515,18cyclictest0-21swapper/311:16:203
25368993515,18cyclictest0-21swapper/311:16:203
25367993514,18cyclictest0-21swapper/209:19:482
25367993511,21cyclictest0-21swapper/210:18:362
25367993511,21cyclictest0-21swapper/209:56:502
2536699359,23cyclictest0-21swapper/112:05:151
25366993516,17cyclictest0-21swapper/110:00:301
25366993512,21cyclictest0-21swapper/110:15:201
25366993512,20cyclictest0-21swapper/110:20:591
25365993520,12cyclictest0-21swapper/012:11:480
25365993513,20cyclictest0-21swapper/011:51:490
25365993513,20cyclictest0-21swapper/011:51:490
25365993510,20cyclictest0-21swapper/007:45:220
22332355,13sleep10-21swapper/107:27:251
327492345,10sleep10-21swapper/108:36:181
263572345,10sleep30-21swapper/308:23:493
25368993416,15cyclictest0-21swapper/312:35:193
25367993417,14cyclictest0-21swapper/210:20:172
25367993416,15cyclictest0-21swapper/209:21:052
25367993416,15cyclictest0-21swapper/209:21:042
25367993415,16cyclictest0-21swapper/210:01:292
25367993414,18cyclictest0-21swapper/210:12:302
25367993411,20cyclictest0-21swapper/212:20:142
25367993411,20cyclictest0-21swapper/212:20:142
25367993411,20cyclictest0-21swapper/210:28:182
25366993412,13cyclictest0-21swapper/109:25:211
25366993412,13cyclictest0-21swapper/109:25:201
2536599347,21cyclictest0-21swapper/008:59:590
2536599347,21cyclictest0-21swapper/007:25:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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