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2026-08-11 - 17:21
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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 rack3slot0.osadl.org (updated Tue Aug 11, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
326902980,0sleep00-21swapper/010:29:050
810999189,1cyclictest1844-21nfsd10:02:283
78799880,87cyclictest17643-21kworker/0:210:02:280
303742820,2sleep280299cyclictest10:50:132
84199610,60cyclictest15170-21kworker/7:410:02:297
60302560,0sleep70-21swapper/709:46:517
834995130,0cyclictest0-21swapper/610:02:296
118202510,2sleep683499cyclictest11:08:196
54924925,8sleep70-21swapper/707:05:247
34124825,9sleep10-21swapper/107:02:461
820994747,0cyclictest23727-21kworker/4:510:02:284
267332460,1sleep226732-21bash10:28:422
249422460,0sleep60-21swapper/610:49:536
221492460,1sleep280299cyclictest10:51:332
171392460,0sleep20-21swapper/212:31:362
16882460,0sleep10-21swapper/111:32:491
56062450,0sleep30-21swapper/310:54:303
41342450,0sleep20-21swapper/209:16:022
316932450,0sleep10-21swapper/111:51:551
262752450,0sleep30-21swapper/310:49:583
141792450,0sleep40-21swapper/409:12:444
249082440,0sleep60-21swapper/607:46:066
179352440,1sleep217549-21sshd10:14:412
165292440,1sleep7721ktimersoftd/710:58:597
6672430,0sleep40-21swapper/410:00:094
318932430,1sleep233-21ksoftirqd/210:07:442
306302430,0sleep6641ktimersoftd/609:17:346
291202430,1sleep329117-21sshd10:42:213
189682430,3sleep40-21swapper/411:01:044
101872430,0sleep40-21swapper/411:39:084
91102420,1sleep773-21ksoftirqd/712:02:107
32752420,0sleep20-21swapper/211:03:582
207412420,0sleep00-21swapper/012:26:060
201602420,0sleep30-21swapper/310:10:573
178332420,0sleep50-21swapper/509:28:235
794994138,1cyclictest25-21ksoftirqd/110:02:291
3276524129,8sleep60-21swapper/607:02:116
318982410,0sleep60-21swapper/611:01:466
23272410,0sleep40-21swapper/410:46:304
55912400,1sleep55590-21sshd12:34:525
39224028,8sleep00-21swapper/007:03:250
33972400,0sleep40-21swapper/410:31:094
3273724028,8sleep50-21swapper/507:01:465
317762400,1sleep582899cyclictest11:59:445
273162400,1sleep327317-21sshd12:28:253
3269623926,9sleep40-21swapper/407:01:134
3258723926,9sleep30-21swapper/307:01:123
32423928,8sleep20-21swapper/207:02:312
202262390,0sleep00-21swapper/009:41:550
18532390,1sleep1721-21dbus-daemon10:36:501
18532390,1sleep1721-21dbus-daemon10:36:501
164002390,0sleep40-21swapper/412:16:094
107132390,0sleep30-21swapper/309:35:413
67592380,0sleep60-21swapper/612:04:016
246012380,0sleep10-21swapper/112:28:151
130302380,0sleep40-21swapper/411:52:464
113162380,0sleep5551rcuc/509:35:435
201532370,0sleep30-21swapper/312:24:093
274702360,0sleep30-21swapper/308:46:083
136872360,0sleep50-21swapper/510:58:495
802993534,1cyclictest13550irq/24-ahci[00010:02:292
828992929,0cyclictest0-21swapper/510:02:305
828992710,2cyclictest57-21ksoftirqd/511:50:495
828992413,3cyclictest57-21ksoftirqd/512:09:595
82899238,2cyclictest57-21ksoftirqd/509:15:595
82899235,6cyclictest57-21ksoftirqd/512:21:065
828992318,1cyclictest57-21ksoftirqd/510:25:475
80299238,1cyclictest33-21ksoftirqd/211:40:472
794992312,0cyclictest121rcu_preempt11:15:521
80299226,4cyclictest33-21ksoftirqd/212:15:512
79499226,1cyclictest25-21ksoftirqd/110:42:261
79499224,3cyclictest25-21ksoftirqd/110:52:101
79499223,3cyclictest25-21ksoftirqd/112:16:531
794992216,3cyclictest25-21ksoftirqd/109:49:431
84199212,6cyclictest0-21swapper/709:10:537
82899218,3cyclictest57-21ksoftirqd/511:01:105
82899218,3cyclictest57-21ksoftirqd/509:08:575
828992110,6cyclictest57-21ksoftirqd/510:34:335
828992110,3cyclictest57-21ksoftirqd/511:35:145
82899210,0cyclictest131rcu_sched10:19:435
80299219,3cyclictest33-21ksoftirqd/209:29:272
80299217,1cyclictest33-21ksoftirqd/211:20:272
80299216,2cyclictest33-21ksoftirqd/209:13:002
802992117,3cyclictest33-21ksoftirqd/210:36:042
802992117,3cyclictest33-21ksoftirqd/210:36:042
802992114,4cyclictest33-21ksoftirqd/210:23:402
79499219,3cyclictest25-21ksoftirqd/109:44:541
79499213,1cyclictest25-21ksoftirqd/109:19:081
79499212,3cyclictest25-21ksoftirqd/110:48:151
794992115,4cyclictest25-21ksoftirqd/110:00:211
794992111,1cyclictest25-21ksoftirqd/111:05:171
79499211,3cyclictest25-21ksoftirqd/109:36:371
84199200,5cyclictest25514-21sshd11:07:107
82899207,2cyclictest57-21ksoftirqd/510:11:195
82899203,5cyclictest57-21ksoftirqd/510:43:365
828992010,2cyclictest57-21ksoftirqd/510:30:035
80299209,3cyclictest33-21ksoftirqd/209:51:432
80299208,2cyclictest33-21ksoftirqd/211:28:262
80299207,3cyclictest33-21ksoftirqd/209:21:172
80299206,3cyclictest33-21ksoftirqd/211:12:462
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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