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2026-04-17 - 21:50
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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 rack5slot0.osadl.org (updated Fri Apr 17, 2026 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
864421310,0sleep00-21swapper/009:25:570
2570021260,1sleep325701-21id11:08:153
2570021260,1sleep325701-21id11:08:143
2514721160,3sleep287899cyclictest11:22:162
362211133,47sleep30-21swapper/307:07:063
225512970,2sleep20-21swapper/211:44:082
38029032,54sleep10-21swapper/107:07:211
292332880,1sleep20-21swapper/210:04:062
92342870,4sleep39232-21sshd12:16:433
207782860,2sleep10-21swapper/111:25:161
105182860,3sleep387999cyclictest12:31:343
194032840,2sleep219399-21sshd11:32:372
142272840,1sleep10-21swapper/111:17:211
56142830,1sleep00-21swapper/012:04:380
64392820,2sleep06435-21bash12:16:240
76682810,2sleep20-21swapper/209:55:002
118802810,1sleep011876-21bash09:44:520
148482800,1sleep20-21swapper/209:23:142
115532800,2sleep30-21swapper/309:41:183
56642790,2sleep30-21swapper/308:30:153
317522790,2sleep20-21swapper/210:28:342
52682780,2sleep20-21swapper/212:12:132
37352780,2sleep30-21swapper/310:01:183
106402780,0sleep00-21swapper/010:15:410
315552770,1sleep031530-21sshd11:30:240
29802760,1sleep12977-21sshd09:11:111
278352730,1sleep027829-21cp10:00:230
151192730,2sleep10-21swapper/110:45:441
133182730,2sleep30-21swapper/311:20:563
57127133,9sleep20-21swapper/207:09:252
27612710,1sleep12512-21runrttasks10:55:171
151232710,1sleep215109-21diskstats11:00:122
261082700,2sleep30-21swapper/310:27:513
317612690,0sleep00-21swapper/011:56:080
150102680,2sleep20-21swapper/212:35:532
207932670,1sleep00-21swapper/011:14:400
180532670,2sleep218051-21bash10:34:202
54025632,13sleep00-21swapper/007:09:030
283522340,32sleep1144650irq/27-eth011:33:381
10242330,0sleep01026-21id12:34:300
290482290,26sleep3144650irq/27-eth012:11:023
179942280,26sleep3144650irq/27-eth009:55:583
267282270,5sleep20-21swapper/209:39:372
150492271,24sleep1144650irq/27-eth012:28:311
75332260,3sleep287899cyclictest11:06:122
75332260,3sleep287899cyclictest11:06:122
48952261,23sleep3144650irq/27-eth009:22:043
188812260,4sleep20-21swapper/212:02:312
67442250,3sleep16743-21bash11:45:471
290692250,3sleep10-21swapper/109:39:521
219102250,0sleep121907-21bash11:55:011
183062250,23sleep3144650irq/27-eth009:31:103
303892220,20sleep3144650irq/27-eth012:07:253
221732220,6sleep03-21ksoftirqd/010:50:040
220092220,1sleep00-21swapper/010:42:340
204542220,1sleep10-21swapper/111:00:391
236152210,19sleep1144650irq/27-eth011:44:151
160992210,2sleep20-21swapper/211:35:382
76582200,1sleep10-21swapper/110:01:441
222762200,10sleep1144650irq/27-eth009:27:431
178322200,2sleep20-21swapper/209:55:562
139262200,2sleep30-21swapper/310:33:523
87799198,6cyclictest0-21swapper/112:14:051
87392190,3sleep187799cyclictest09:30:061
84812190,17sleep3144650irq/27-eth009:25:563
325682190,2sleep20-21swapper/212:34:252
87999188,6cyclictest25926-21sshd09:46:133
878991813,3cyclictest29755-21bash12:18:582
877991810,3cyclictest8406-21sshd09:40:571
299272180,4sleep187799cyclictest09:50:221
278812180,16sleep1144650irq/27-eth011:55:381
224532181,15sleep3144650irq/27-eth011:14:533
87999178,4cyclictest29082-21bash11:44:523
87999170,12cyclictest7066-21sshd11:27:243
87899170,15cyclictest0-21swapper/210:19:192
87799179,3cyclictest0-21swapper/111:10:011
87799179,3cyclictest0-21swapper/111:10:001
87799175,11cyclictest22-21ksoftirqd/110:51:181
87799174,11cyclictest144650irq/27-eth012:25:001
87799173,11cyclictest21771-21sshd10:10:101
87699170,16cyclictest13862-21sshd10:56:320
285602171,14sleep3144650irq/27-eth010:10:453
87999160,4cyclictest144650irq/27-eth009:17:523
87999160,3cyclictest0-21swapper/311:35:133
87999160,15cyclictest0-21swapper/307:10:193
87999160,14cyclictest3815-21rm10:15:063
87999160,14cyclictest28773-21sshd09:50:173
87999160,14cyclictest0-21swapper/310:05:233
87999160,12cyclictest0-21swapper/312:23:113
87999160,11cyclictest4793-21sshd10:22:003
87899164,11cyclictest21966-21sshd10:57:272
87799167,5cyclictest144650irq/27-eth011:22:221
87799167,4cyclictest2023-21nfsd10:20:151
87799160,7cyclictest0-21swapper/111:38:091
87799160,7cyclictest0-21swapper/109:23:001
87799160,4cyclictest24392-21sshd12:36:571
87799160,4cyclictest17648-21sshd09:16:071
87799160,15cyclictest0-21swapper/112:08:291
87799160,11cyclictest0-21swapper/110:42:291
87699167,8cyclictest0-21swapper/011:02:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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