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2026-06-03 - 17:40
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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 Jun 03, 2026 12:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28915212061,20sleep20-21swapper/207:06:122
29078211251,56sleep00-21swapper/007:08:190
28924211151,55sleep10-21swapper/107:06:191
229421000,1sleep117642-21stress09:47:061
2915728963,21sleep30-21swapper/307:09:143
29322994310,23cyclictest0-21swapper/112:20:011
2932299426,26cyclictest0-21swapper/109:50:321
29321994222,18cyclictest0-21swapper/012:37:050
65112413,20sleep217642-21stress11:10:352
65112413,20sleep217642-21stress11:10:352
2932399409,19cyclictest0-21swapper/211:40:022
2932199409,28cyclictest0-21swapper/010:13:060
29321994013,24cyclictest0-21swapper/009:34:190
29321994013,24cyclictest0-21swapper/009:34:190
29321994010,27cyclictest0-21swapper/010:55:200
29324993916,20cyclictest0-21swapper/309:42:043
29323993910,26cyclictest0-21swapper/210:23:142
2932299396,23cyclictest0-21swapper/111:10:181
2932299396,23cyclictest0-21swapper/111:10:181
2932299395,23cyclictest0-21swapper/111:00:541
29322993916,21cyclictest0-21swapper/110:00:331
29322993916,21cyclictest0-21swapper/110:00:331
2932199397,21cyclictest0-21swapper/012:25:160
2932199397,21cyclictest0-21swapper/012:25:160
29321993915,21cyclictest0-21swapper/012:22:560
29321993914,22cyclictest0-21swapper/011:45:010
47152380,1sleep117645-21stress11:07:421
45192385,13sleep20-21swapper/208:39:562
43362385,12sleep30-21swapper/308:37:443
41882385,13sleep30-21swapper/307:24:063
29323993815,20cyclictest0-21swapper/211:24:332
29323993814,21cyclictest0-21swapper/212:07:002
29323993814,21cyclictest0-21swapper/209:15:492
29323993813,13cyclictest0-21swapper/209:20:272
2932199386,21cyclictest0-21swapper/010:40:320
2932199386,21cyclictest0-21swapper/010:40:320
256842385,13sleep20-21swapper/208:11:372
85302375,13sleep30-21swapper/308:45:383
324542375,13sleep30-21swapper/308:28:583
311722375,12sleep30-21swapper/307:11:113
2932399379,17cyclictest0-21swapper/212:25:112
2932399379,17cyclictest0-21swapper/212:25:112
29323993714,20cyclictest0-21swapper/212:10:322
29323993714,20cyclictest0-21swapper/212:10:312
2932299376,21cyclictest0-21swapper/112:00:251
2932199379,19cyclictest0-21swapper/008:05:050
2932199378,23cyclictest0-21swapper/009:03:060
29321993715,19cyclictest0-21swapper/010:15:140
29321993711,23cyclictest0-21swapper/009:35:160
29321993710,22cyclictest0-21swapper/008:45:060
279072375,13sleep20-21swapper/208:17:182
127652375,12sleep30-21swapper/307:42:593
300642365,12sleep30-21swapper/308:22:003
29324993612,21cyclictest0-21swapper/312:03:353
2932399366,20cyclictest0-21swapper/211:28:552
2932399365,18cyclictest0-21swapper/209:13:532
29323993616,18cyclictest0-21swapper/211:15:092
29323993616,18cyclictest0-21swapper/211:15:092
29323993616,17cyclictest0-21swapper/212:20:182
29323993613,20cyclictest0-21swapper/210:40:022
29323993613,20cyclictest0-21swapper/210:40:012
29323993612,21cyclictest0-21swapper/210:05:262
2932199369,22cyclictest0-21swapper/007:15:000
2932199368,22cyclictest0-21swapper/007:25:050
2932199367,23cyclictest0-21swapper/008:25:050
29321993615,18cyclictest0-21swapper/011:55:230
29321993615,18cyclictest0-21swapper/011:55:230
29321993613,20cyclictest0-21swapper/010:35:030
29321993613,20cyclictest0-21swapper/010:35:000
29321993613,17cyclictest0-21swapper/007:21:090
29321993612,21cyclictest0-21swapper/011:35:230
29321993610,23cyclictest0-21swapper/012:17:520
29321993610,21cyclictest0-21swapper/007:30:060
213942365,13sleep00-21swapper/008:02:080
20622365,12sleep30-21swapper/308:32:033
109042365,12sleep20-21swapper/208:53:232
107442365,12sleep30-21swapper/308:51:203
64902355,13sleep30-21swapper/308:42:093
40812355,12sleep10-21swapper/107:22:441
2932499359,23cyclictest0-21swapper/309:25:223
2932499359,23cyclictest0-21swapper/309:25:223
29324993516,16cyclictest0-21swapper/309:47:383
29324993511,21cyclictest0-21swapper/311:55:153
29324993511,21cyclictest0-21swapper/311:55:153
29324993511,21cyclictest0-21swapper/311:18:333
29324993511,21cyclictest0-21swapper/311:18:333
29324993511,21cyclictest0-21swapper/309:10:053
2932399359,23cyclictest0-21swapper/210:30:332
2932399356,19cyclictest0-21swapper/209:50:242
29323993514,18cyclictest0-21swapper/211:40:052
29323993513,19cyclictest0-21swapper/211:45:052
29323993513,19cyclictest0-21swapper/211:45:042
29323993513,19cyclictest0-21swapper/210:10:252
2932199358,21cyclictest0-21swapper/008:42:350
2932199358,17cyclictest0-21swapper/007:38:350
2932199356,19cyclictest0-21swapper/008:17:350
2932199355,25cyclictest0-21swapper/007:50:350
2932199355,20cyclictest0-21swapper/008:35:050
2932199355,20cyclictest0-21swapper/008:21:170
29321993510,20cyclictest0-21swapper/007:55:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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