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2026-05-14 - 22:50
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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 May 14, 2026 12:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27949212764,58sleep20-21swapper/207:07:542
2506021050,1sleep116225-21stress10:45:031
2808629152,34sleep00-21swapper/007:09:400
2786028863,20sleep30-21swapper/307:06:473
2805528658,23sleep10-21swapper/107:09:181
180262840,1sleep116227-21stress11:41:151
28216994311,28cyclictest0-21swapper/211:31:422
28216994211,28cyclictest0-21swapper/210:05:462
28216994211,28cyclictest0-21swapper/209:24:192
28216994110,28cyclictest0-21swapper/210:43:572
28216994110,28cyclictest0-21swapper/210:43:562
28216994110,28cyclictest0-21swapper/210:16:132
2821599416,21cyclictest0-21swapper/110:23:081
2821499418,30cyclictest0-21swapper/010:04:260
2821499416,19cyclictest0-21swapper/010:25:030
28217994014,23cyclictest0-21swapper/309:44:053
28216994011,26cyclictest0-21swapper/209:53:122
28216994011,26cyclictest0-21swapper/209:40:222
73382395,13sleep20-21swapper/207:33:452
73382395,13sleep20-21swapper/207:33:452
28217993912,24cyclictest0-21swapper/310:04:103
2821699399,27cyclictest0-21swapper/212:34:412
2821699399,27cyclictest0-21swapper/209:27:302
2821699398,28cyclictest0-21swapper/211:28:282
2821699398,15cyclictest0-21swapper/210:35:162
28216993912,24cyclictest0-21swapper/210:27:412
28216993912,24cyclictest0-21swapper/209:12:172
2821499398,24cyclictest0-21swapper/008:50:210
94072385,13sleep20-21swapper/208:51:442
29172385,13sleep20-21swapper/208:37:132
28217993811,24cyclictest0-21swapper/311:10:113
28216993816,19cyclictest0-21swapper/212:14:072
28216993811,24cyclictest0-21swapper/212:01:222
28216993811,24cyclictest0-21swapper/212:01:212
28216993811,24cyclictest0-21swapper/209:33:332
28216993811,24cyclictest0-21swapper/209:33:322
2821499389,23cyclictest0-21swapper/007:55:050
2821499389,23cyclictest0-21swapper/007:24:540
2821499386,25cyclictest0-21swapper/008:55:060
243512385,13sleep20-21swapper/208:10:382
199962385,13sleep20-21swapper/208:00:272
161232385,13sleep20-21swapper/209:09:492
161232385,13sleep20-21swapper/209:09:492
138762385,13sleep20-21swapper/209:03:552
72802375,13sleep00-21swapper/008:47:010
72062375,13sleep10-21swapper/107:32:041
72062375,13sleep10-21swapper/107:32:041
71662375,13sleep10-21swapper/108:45:341
71112375,13sleep30-21swapper/307:30:503
71112375,13sleep30-21swapper/307:30:503
6972375,13sleep10-21swapper/108:32:021
49212375,13sleep30-21swapper/307:25:563
309512375,13sleep30-21swapper/308:26:593
28217993712,22cyclictest0-21swapper/310:27:313
2821699375,15cyclictest0-21swapper/211:15:332
28216993715,19cyclictest0-21swapper/211:58:112
28216993715,19cyclictest0-21swapper/211:58:112
28216993712,22cyclictest0-21swapper/212:35:032
28216993712,22cyclictest0-21swapper/212:35:032
28216993711,23cyclictest0-21swapper/210:20:052
2821499378,23cyclictest0-21swapper/007:11:210
2821499378,22cyclictest0-21swapper/009:00:060
2821499378,22cyclictest0-21swapper/008:15:050
2821499377,23cyclictest0-21swapper/008:25:140
2821499375,25cyclictest0-21swapper/008:00:050
266022375,13sleep20-21swapper/208:16:472
249842375,13sleep30-21swapper/308:15:053
221972375,13sleep30-21swapper/308:05:423
136072375,13sleep10-21swapper/107:46:271
117572375,13sleep30-21swapper/308:59:153
95102365,13sleep30-21swapper/307:38:593
6912365,12sleep30-21swapper/307:18:023
50812365,12sleep30-21swapper/308:41:563
2821799369,24cyclictest0-21swapper/311:52:433
2821799367,26cyclictest0-21swapper/309:25:243
28217993615,19cyclictest0-21swapper/310:48:183
28217993614,19cyclictest0-21swapper/312:36:063
28217993614,19cyclictest0-21swapper/312:36:053
28217993614,19cyclictest0-21swapper/311:15:173
2821699365,14cyclictest0-21swapper/212:20:002
28216993617,16cyclictest0-21swapper/210:56:142
28216993610,23cyclictest0-21swapper/209:36:212
28216993610,23cyclictest0-21swapper/209:36:202
2821599365,19cyclictest0-21swapper/111:02:481
2821499369,22cyclictest0-21swapper/007:35:060
2821499367,26cyclictest0-21swapper/011:06:570
202262365,12sleep30-21swapper/308:03:213
159752365,13sleep00-21swapper/007:54:000
159522365,13sleep00-21swapper/009:07:420
159522365,13sleep00-21swapper/009:07:420
93192355,13sleep30-21swapper/308:50:373
7822355,11sleep10-21swapper/107:19:121
6362355,12sleep20-21swapper/207:17:202
291352355,13sleep10-21swapper/107:10:191
28217993515,17cyclictest0-21swapper/310:37:013
28217993513,19cyclictest0-21swapper/310:15:333
2821699359,23cyclictest0-21swapper/209:45:102
2821699358,24cyclictest0-21swapper/212:25:212
2821699358,24cyclictest0-21swapper/210:10:212
2821699358,24cyclictest0-21swapper/210:10:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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