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2026-04-03 - 19:42
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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 Fri Apr 03, 2026 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4149211755,23sleep20-21swapper/207:06:532
4149211755,23sleep20-21swapper/207:06:532
4249211552,57sleep00-21swapper/007:08:120
4249211552,57sleep00-21swapper/007:08:120
4369211354,20sleep30-21swapper/307:09:353
4369211354,20sleep30-21swapper/307:09:343
413829949,20sleep10-21swapper/107:06:431
413829949,20sleep10-21swapper/107:06:431
123032680,1sleep224308-21stress12:26:462
123032680,1sleep224308-21stress12:26:462
125832460,1sleep324310-21stress11:11:073
4512994211,21cyclictest0-21swapper/109:35:341
451299404,22cyclictest0-21swapper/111:45:121
4512993916,21cyclictest0-21swapper/111:03:211
49352385,13sleep20-21swapper/208:24:482
201382385,13sleep20-21swapper/207:44:302
90562375,13sleep10-21swapper/108:32:291
4514993718,16cyclictest0-21swapper/309:34:473
4511993717,18cyclictest0-21swapper/007:55:250
4222375,13sleep10-21swapper/108:13:081
268802375,12sleep20-21swapper/208:00:062
264032375,13sleep20-21swapper/207:57:252
242772375,12sleep20-21swapper/207:52:332
238862375,13sleep20-21swapper/209:05:472
238862375,13sleep20-21swapper/209:05:462
204602375,13sleep10-21swapper/107:45:091
197282375,13sleep20-21swapper/208:57:292
195712375,13sleep10-21swapper/108:55:271
177842375,13sleep20-21swapper/208:54:392
69192365,12sleep10-21swapper/108:27:321
5082365,12sleep20-21swapper/208:14:102
4514993620,14cyclictest0-21swapper/312:40:013
4513993612,21cyclictest0-21swapper/210:40:232
4513993612,21cyclictest0-21swapper/210:40:232
4512993611,22cyclictest0-21swapper/112:10:121
4512993610,23cyclictest0-21swapper/111:22:051
4511993617,18cyclictest0-21swapper/008:18:220
305112365,13sleep10-21swapper/108:05:311
26752365,12sleep30-21swapper/308:18:513
220712365,12sleep20-21swapper/209:04:502
197202365,13sleep00-21swapper/008:57:220
157962365,12sleep30-21swapper/307:33:323
4514993520,13cyclictest0-21swapper/311:00:023
4513993515,17cyclictest0-21swapper/210:26:522
4512993513,20cyclictest0-21swapper/110:55:341
4512993512,21cyclictest0-21swapper/109:33:511
177522355,12sleep00-21swapper/008:54:130
68062345,10sleep30-21swapper/308:26:063
451499349,22cyclictest0-21swapper/310:00:153
451499349,22cyclictest0-21swapper/310:00:153
4514993414,17cyclictest0-21swapper/310:08:373
4514993414,17cyclictest0-21swapper/309:55:113
4514993413,18cyclictest0-21swapper/311:15:073
4514993413,18cyclictest0-21swapper/311:15:073
4513993415,16cyclictest0-21swapper/211:32:572
4513993415,16cyclictest0-21swapper/211:25:252
4513993415,16cyclictest0-21swapper/209:41:462
451299349,23cyclictest0-21swapper/111:40:581
451299347,25cyclictest0-21swapper/112:01:431
4511993416,15cyclictest0-21swapper/012:15:120
4511993410,18cyclictest0-21swapper/008:13:170
153362345,10sleep30-21swapper/308:45:513
115002345,10sleep30-21swapper/307:23:063
112932345,10sleep30-21swapper/308:38:443
93182335,10sleep00-21swapper/007:17:370
451499339,21cyclictest0-21swapper/309:25:243
451499339,21cyclictest0-21swapper/309:25:243
4514993317,14cyclictest0-21swapper/312:15:023
4514993316,14cyclictest0-21swapper/312:31:423
4514993314,17cyclictest0-21swapper/311:46:493
4513993312,18cyclictest0-21swapper/211:36:032
4513993312,18cyclictest0-21swapper/211:10:122
4513993312,18cyclictest0-21swapper/209:19:182
451299339,18cyclictest0-21swapper/107:31:181
451299339,13cyclictest0-21swapper/108:45:211
451299338,18cyclictest0-21swapper/108:15:131
451299334,18cyclictest0-21swapper/108:20:221
4512993312,19cyclictest0-21swapper/109:40:291
4512993311,20cyclictest0-21swapper/111:30:161
451199339,21cyclictest0-21swapper/012:01:440
451199335,26cyclictest0-21swapper/011:01:570
4511993316,14cyclictest0-21swapper/011:23:170
4511993314,18cyclictest0-21swapper/008:46:030
4511993312,18cyclictest0-21swapper/011:41:380
4511993311,20cyclictest0-21swapper/008:00:320
4511993310,21cyclictest0-21swapper/008:05:180
4511993310,18cyclictest0-21swapper/007:25:060
177502335,10sleep00-21swapper/007:36:020
4514993217,12cyclictest0-21swapper/311:07:203
4514993216,14cyclictest0-21swapper/310:15:313
4514993214,15cyclictest0-21swapper/311:50:363
4514993214,15cyclictest0-21swapper/311:50:353
4514993214,15cyclictest0-21swapper/310:53:453
4514993214,15cyclictest0-21swapper/309:45:283
4514993214,15cyclictest0-21swapper/309:16:413
4513993214,16cyclictest0-21swapper/210:15:342
4513993213,16cyclictest0-21swapper/212:20:282
4513993211,18cyclictest0-21swapper/209:12:392
451299329,21cyclictest0-21swapper/111:25:121
451299329,20cyclictest0-21swapper/110:05:331
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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