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2025-12-24 - 23:26
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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 Wed Dec 24, 2025 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3102621230,0sleep00-21swapper/010:20:180
1605321080,3sleep2813799cyclictest11:27:272
5846210234,39sleep30-21swapper/307:05:103
763129333,56sleep10-21swapper/107:07:041
285752890,3sleep3813899cyclictest12:02:413
104532890,0sleep00-21swapper/009:43:390
271662820,1sleep10-21swapper/112:02:121
253602820,3sleep20-21swapper/210:18:392
253602820,3sleep20-21swapper/210:18:392
307472750,0sleep041ktimersoftd/009:30:000
146112740,2sleep30-21swapper/310:55:513
83472640,3sleep2813799cyclictest10:33:422
751625933,14sleep00-21swapper/007:05:350
652924933,12sleep20-21swapper/207:05:172
214352390,3sleep20-21swapper/212:31:412
312932350,2sleep32439-21runrttasks11:53:113
254952330,0sleep00-21swapper/011:40:390
8138992320,2cyclictest0-21swapper/310:54:213
8138992311,2cyclictest0-21swapper/310:30:343
813699228,0cyclictest0-21swapper/109:46:111
813699222,2cyclictest0-21swapper/111:06:531
8136992213,8cyclictest10850irq/23-ehci_hcd08:32:171
8136992212,1cyclictest0-21swapper/110:18:141
8136992212,1cyclictest0-21swapper/110:18:131
813699221,11cyclictest12796-21chrt12:29:121
92622210,2sleep30-21swapper/312:27:533
813699214,8cyclictest0-21swapper/108:14:331
8136992119,1cyclictest0-21swapper/110:54:211
813699211,3cyclictest0-21swapper/110:30:031
256142210,1sleep00-21swapper/009:48:200
239112210,0sleep00-21swapper/009:37:420
293402200,2sleep20-21swapper/211:31:352
205402200,3sleep30-21swapper/310:27:103
813699198,9cyclictest4286-21sshd10:42:311
813699192,9cyclictest0-21swapper/109:10:231
8137991814,2cyclictest28165-21bash12:23:372
813699189,0cyclictest0-21swapper/111:54:511
813699186,3cyclictest14546-21cut09:35:001
813699186,0cyclictest0-21swapper/109:16:571
813699183,13cyclictest24913-21sshd11:30:191
813599181,13cyclictest137550irq/27-eth010:36:400
266422181,15sleep110850irq/23-ehci_hcd12:23:041
188892180,2sleep118890-21atenall_r5power12:10:121
813699176,0cyclictest0-21swapper/110:59:191
813699175,10cyclictest22981-21sshd09:37:221
8136991713,3cyclictest30893-21ipmitool10:20:161
813699171,14cyclictest22009-21sshd11:29:371
8135991710,6cyclictest0-21swapper/010:18:350
8135991710,6cyclictest0-21swapper/010:18:350
813599170,14cyclictest0-21swapper/011:10:510
57312170,1sleep10-21swapper/112:37:101
202852170,2sleep10-21swapper/112:31:171
813899169,6cyclictest0-21swapper/311:44:093
813899163,6cyclictest0-21swapper/309:33:533
813899160,14cyclictest10897-21sshd12:07:243
813799169,6cyclictest137550irq/27-eth009:21:522
813799168,4cyclictest137550irq/27-eth009:57:302
813799162,13cyclictest1884-21nfsd09:18:112
8137991612,3cyclictest17644-21sshd11:17:382
8137991611,4cyclictest10850irq/23-ehci_hcd11:38:042
8137991611,4cyclictest10850irq/23-ehci_hcd10:04:392
813799161,13cyclictest0-21swapper/208:16:562
813799160,12cyclictest24918-21sshd12:01:212
813699165,0cyclictest0-21swapper/109:52:091
813699161,13cyclictest4863-21sshd10:01:531
813699161,13cyclictest12137-21sshd12:07:521
813699161,13cyclictest0-21swapper/111:15:451
813699161,13cyclictest0-21swapper/111:04:091
813599168,4cyclictest0-21swapper/011:35:100
813599167,6cyclictest0-21swapper/011:45:340
813599167,5cyclictest0-21swapper/010:05:020
813599161,5cyclictest0-21swapper/007:40:080
813599161,5cyclictest0-21swapper/007:40:080
813599160,3cyclictest0-21swapper/010:40:180
88372150,13sleep2137550irq/27-eth010:54:262
813899158,1cyclictest5028-21bash09:51:493
813899155,9cyclictest0-21swapper/309:19:213
8138991512,2cyclictest0-21swapper/307:10:113
8138991511,3cyclictest3425-21sshd09:11:223
813899150,14cyclictest0-21swapper/311:06:173
813899150,13cyclictest24138-21sshd12:11:353
813899150,13cyclictest22978-21sshd09:57:313
813899150,13cyclictest0-21swapper/311:01:053
813899150,13cyclictest0-21swapper/310:44:023
813899150,13cyclictest0-21swapper/310:23:143
813899150,13cyclictest0-21swapper/309:25:423
813799158,3cyclictest14506-21sshd12:08:442
813799157,6cyclictest0-21swapper/210:40:262
813799152,1cyclictest0-21swapper/209:52:492
8137991510,3cyclictest0-21swapper/211:00:522
813799150,13cyclictest27860-21sshd11:20:412
813799150,13cyclictest10761-21missed_timers08:25:172
813699158,6cyclictest5624-21sshd11:45:061
813699158,6cyclictest18876-21sshd09:25:591
813699158,6cyclictest0-21swapper/110:37:321
813699152,12cyclictest23657-21sshd10:07:531
813699152,12cyclictest23549-21sshd09:57:421
813699151,5cyclictest0-21swapper/111:10:381
813699151,13cyclictest20363-21sshd10:47:371
813699151,13cyclictest0-21swapper/112:15:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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