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2026-07-19 - 17:47
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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 Sun Jul 19, 2026 12:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23729212467,52sleep20-21swapper/207:05:322
23912211856,56sleep30-21swapper/307:07:463
22187211451,23sleep00-21swapper/007:05:060
23719211051,20sleep10-21swapper/107:05:271
24203994216,23cyclictest0-21swapper/209:38:302
2420199426,26cyclictest0-21swapper/111:25:351
24204994011,26cyclictest0-21swapper/309:16:433
298442395,13sleep20-21swapper/208:33:462
24203993915,21cyclictest0-21swapper/210:45:222
119522395,14sleep30-21swapper/311:34:593
84292385,13sleep20-21swapper/208:57:042
84292385,13sleep20-21swapper/208:57:032
261432385,13sleep20-21swapper/207:12:252
24203993816,19cyclictest0-21swapper/210:42:292
24203993815,20cyclictest0-21swapper/212:10:422
24203993815,20cyclictest0-21swapper/209:40:362
24201993815,21cyclictest0-21swapper/111:05:151
24201993810,18cyclictest0-21swapper/109:17:161
209532385,13sleep20-21swapper/208:12:212
145412385,13sleep30-21swapper/307:59:393
10982385,13sleep20-21swapper/207:26:582
77082375,13sleep30-21swapper/307:41:033
263242375,13sleep30-21swapper/307:14:363
24204993712,22cyclictest0-21swapper/310:33:313
24201993714,21cyclictest0-21swapper/110:01:261
24201993714,21cyclictest0-21swapper/110:01:251
24201993714,14cyclictest0-21swapper/109:10:271
24201993712,22cyclictest0-21swapper/112:17:191
24200993714,20cyclictest0-21swapper/011:22:520
211602375,12sleep30-21swapper/308:14:553
17742375,13sleep30-21swapper/308:42:263
170652375,13sleep10-21swapper/108:05:031
127732375,13sleep30-21swapper/309:06:593
106302375,13sleep30-21swapper/309:02:193
106302375,13sleep30-21swapper/309:02:183
84572365,13sleep00-21swapper/008:57:270
84572365,13sleep00-21swapper/008:57:260
83192365,12sleep10-21swapper/108:55:431
83192365,12sleep10-21swapper/108:55:431
41262365,13sleep00-21swapper/008:48:200
315022365,13sleep10-21swapper/107:24:331
292512365,12sleep30-21swapper/307:19:213
2420499369,24cyclictest0-21swapper/310:50:523
24203993616,17cyclictest0-21swapper/212:15:062
2420199367,20cyclictest0-21swapper/111:55:141
2420199367,20cyclictest0-21swapper/111:55:141
24201993615,18cyclictest0-21swapper/111:50:331
24201993615,18cyclictest0-21swapper/111:50:331
24201993612,22cyclictest0-21swapper/112:30:311
24201993611,22cyclictest0-21swapper/111:20:321
24200993615,18cyclictest0-21swapper/011:25:130
24200993612,21cyclictest0-21swapper/010:18:110
232902365,13sleep00-21swapper/008:19:130
231352365,13sleep20-21swapper/208:17:152
230492365,13sleep10-21swapper/108:16:161
189612365,12sleep30-21swapper/308:09:423
189502365,12sleep20-21swapper/208:09:322
165292365,13sleep10-21swapper/108:01:341
13142365,13sleep00-21swapper/007:29:370
130982365,10sleep20-21swapper/207:55:172
123592365,12sleep30-21swapper/307:54:413
122002365,12sleep10-21swapper/107:52:421
34492355,10sleep20-21swapper/207:32:562
320332355,10sleep20-21swapper/208:37:562
313432355,10sleep30-21swapper/307:22:343
253202355,12sleep00-21swapper/008:21:540
2420499355,28cyclictest0-21swapper/310:37:123
24204993513,19cyclictest0-21swapper/312:37:103
24204993512,20cyclictest0-21swapper/310:21:103
24203993513,19cyclictest0-21swapper/212:22:032
24201993515,18cyclictest0-21swapper/112:00:521
24201993514,18cyclictest0-21swapper/109:47:021
24200993511,18cyclictest0-21swapper/008:40:110
61622345,10sleep30-21swapper/308:50:473
34312345,12sleep00-21swapper/007:32:420
320702345,10sleep30-21swapper/308:38:253
276082340,3sleep113100-21stress12:10:111
252352345,10sleep30-21swapper/308:20:523
24204993419,12cyclictest0-21swapper/309:53:213
24204993415,16cyclictest0-21swapper/311:56:133
24204993415,16cyclictest0-21swapper/311:56:123
24204993413,18cyclictest0-21swapper/311:50:183
24204993413,18cyclictest0-21swapper/311:50:183
24204993412,19cyclictest0-21swapper/309:21:153
2420399348,23cyclictest0-21swapper/212:25:202
24203993415,17cyclictest0-21swapper/209:45:102
24203993411,20cyclictest0-21swapper/211:12:462
24203993411,20cyclictest0-21swapper/211:12:462
24203993410,21cyclictest0-21swapper/211:54:172
24203993410,21cyclictest0-21swapper/211:54:172
2420199348,24cyclictest0-21swapper/108:41:251
24201993414,18cyclictest0-21swapper/112:20:151
24201993413,19cyclictest0-21swapper/110:13:291
24201993412,20cyclictest0-21swapper/109:34:291
24201993411,21cyclictest0-21swapper/109:25:051
24201993411,21cyclictest0-21swapper/109:25:041
24201993410,21cyclictest0-21swapper/110:05:101
24200993415,16cyclictest0-21swapper/012:01:150
24200993413,18cyclictest0-21swapper/009:55:300
24200993411,20cyclictest0-21swapper/011:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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