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2026-03-11 - 18:42
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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 Wed Mar 11, 2026 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9270211756,55sleep20-21swapper/207:09:582
9270211756,55sleep20-21swapper/207:09:582
8918211151,21sleep10-21swapper/107:05:311
8918211151,21sleep10-21swapper/107:05:311
740928762,20sleep30-21swapper/307:05:053
740928762,20sleep30-21swapper/307:05:053
741128251,26sleep00-21swapper/007:05:060
741128251,26sleep00-21swapper/007:05:050
936899427,32cyclictest0-21swapper/011:22:580
936899419,26cyclictest0-21swapper/012:00:330
9368994012,25cyclictest0-21swapper/011:25:090
9368993912,24cyclictest0-21swapper/010:40:110
295232390,1sleep228840-21stress11:40:422
9369993815,20cyclictest0-21swapper/110:07:481
9369993815,20cyclictest0-21swapper/110:07:481
9368993812,23cyclictest0-21swapper/010:39:490
9368993812,23cyclictest0-21swapper/010:39:490
9370993715,20cyclictest0-21swapper/210:28:182
936899379,22cyclictest0-21swapper/007:15:060
936899377,17cyclictest0-21swapper/009:24:420
9368993716,15cyclictest0-21swapper/008:38:400
9368993710,21cyclictest0-21swapper/008:05:200
284742375,13sleep20-21swapper/209:06:182
267332375,13sleep00-21swapper/007:45:230
178112375,12sleep30-21swapper/308:40:373
9370993615,18cyclictest0-21swapper/209:42:562
936899369,21cyclictest0-21swapper/008:00:110
936899369,21cyclictest0-21swapper/007:40:020
936899365,23cyclictest0-21swapper/007:10:170
9368993610,24cyclictest0-21swapper/010:25:440
71682365,13sleep30-21swapper/308:16:033
51442365,12sleep20-21swapper/208:12:402
284162365,12sleep00-21swapper/009:05:320
263292365,13sleep30-21swapper/309:00:543
224922365,13sleep00-21swapper/007:35:300
205292365,13sleep00-21swapper/007:32:450
199962365,13sleep00-21swapper/008:46:400
184542365,13sleep10-21swapper/107:28:131
163652365,12sleep30-21swapper/307:23:343
137612365,13sleep10-21swapper/108:33:291
95792355,10sleep10-21swapper/108:24:231
94812355,13sleep00-21swapper/008:23:100
9371993513,19cyclictest0-21swapper/311:57:253
9371993513,19cyclictest0-21swapper/311:57:243
9370993511,21cyclictest0-21swapper/211:09:102
9369993512,21cyclictest0-21swapper/112:28:111
9369993512,21cyclictest0-21swapper/112:28:101
936899359,16cyclictest0-21swapper/008:25:320
936899358,19cyclictest0-21swapper/008:18:050
936899355,27cyclictest0-21swapper/008:13:020
9368993515,14cyclictest0-21swapper/007:51:550
9368993515,10cyclictest0-21swapper/007:55:070
71562355,12sleep10-21swapper/108:15:531
163892355,12sleep10-21swapper/107:23:521
114502355,13sleep10-21swapper/108:26:071
9370993416,15cyclictest0-21swapper/212:02:542
9370993415,16cyclictest0-21swapper/210:52:192
9370993415,16cyclictest0-21swapper/209:36:052
9370993414,18cyclictest0-21swapper/211:24:182
936899348,20cyclictest0-21swapper/008:30:050
9368993410,17cyclictest0-21swapper/008:56:240
263832345,10sleep20-21swapper/209:01:332
247542345,12sleep30-21swapper/307:42:113
202022345,10sleep20-21swapper/208:49:182
158472345,10sleep20-21swapper/208:37:502
157832345,12sleep10-21swapper/108:37:061
142012345,10sleep20-21swapper/207:18:232
117312345,10sleep30-21swapper/308:29:423
112602345,12sleep30-21swapper/307:12:433
10292345,12sleep30-21swapper/308:05:003
94242335,12sleep30-21swapper/308:22:293
9371993314,17cyclictest0-21swapper/311:40:293
9371993314,16cyclictest0-21swapper/309:27:203
9371993314,16cyclictest0-21swapper/309:11:503
937099338,23cyclictest0-21swapper/208:55:122
937099337,23cyclictest0-21swapper/209:50:312
9370993318,13cyclictest0-21swapper/210:05:132
9370993318,13cyclictest0-21swapper/210:05:132
9370993316,15cyclictest0-21swapper/212:30:362
9370993316,15cyclictest0-21swapper/210:49:042
9370993315,15cyclictest0-21swapper/211:13:352
9370993315,15cyclictest0-21swapper/211:13:352
9370993315,15cyclictest0-21swapper/210:44:062
9370993315,15cyclictest0-21swapper/209:25:362
9370993311,19cyclictest0-21swapper/210:55:202
936999335,17cyclictest0-21swapper/107:44:021
9369993315,15cyclictest0-21swapper/110:12:181
9369993315,15cyclictest0-21swapper/110:12:171
9369993311,19cyclictest0-21swapper/112:21:011
936899338,20cyclictest0-21swapper/008:43:090
936899336,20cyclictest0-21swapper/008:53:110
936899336,19cyclictest0-21swapper/007:25:050
9368993317,14cyclictest0-21swapper/009:30:150
9368993317,14cyclictest0-21swapper/009:30:150
9371993214,16cyclictest0-21swapper/309:20:203
937099328,22cyclictest0-21swapper/208:25:462
937099328,22cyclictest0-21swapper/207:40:352
9370993220,11cyclictest0-21swapper/207:35:262
9370993215,15cyclictest0-21swapper/210:35:302
9370993215,15cyclictest0-21swapper/210:35:302
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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