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2025-12-17 - 15:54
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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 17, 2025 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17033210534,42sleep30-21swapper/307:08:003
99812920,1sleep00-21swapper/012:04:500
1698029233,47sleep10-21swapper/107:07:311
55482870,3sleep01744599cyclictest11:52:390
309182850,2sleep30-21swapper/311:29:513
309182850,2sleep30-21swapper/311:29:503
57152830,0sleep00-21swapper/009:05:150
201222800,2sleep30-21swapper/312:29:013
295152780,0sleep00-21swapper/011:18:540
322922770,3sleep11744699cyclictest10:07:471
169212750,0sleep00-21swapper/012:06:420
116052740,2sleep10-21swapper/109:50:561
12412720,2sleep30-21swapper/309:58:043
203702710,0sleep00-21swapper/011:46:550
93732690,2sleep20-21swapper/210:10:292
50112660,1sleep22439-21runrttasks11:10:432
87722650,3sleep11744699cyclictest09:30:121
1632125835,11sleep00-21swapper/007:05:250
1711625135,12sleep20-21swapper/207:09:032
173252270,0sleep00-21swapper/008:20:130
217322260,2sleep32439-21runrttasks09:24:263
1744899250,4cyclictest1936-21nscd09:54:073
182722230,2sleep22439-21runrttasks10:03:282
45482220,20sleep1137550irq/27-eth009:03:061
85192210,2sleep20-21swapper/210:20:212
1744799215,4cyclictest31337-21sshd11:09:102
1744599211,16cyclictest0-21swapper/011:38:510
77242202,16sleep210850irq/23-ehci_hcd09:50:102
326882201,17sleep2137550irq/27-eth009:37:362
95242190,1sleep30-21swapper/311:54:073
1744799192,9cyclictest21031-21kworker/2:012:33:312
123792190,1sleep20-21swapper/211:44:412
1744799188,9cyclictest11988-21sshd12:05:142
1744799184,13cyclictest10850irq/23-ehci_hcd09:13:572
1744699186,11cyclictest10850irq/23-ehci_hcd10:16:171
1744799173,2cyclictest0-21swapper/209:04:322
1744799170,13cyclictest29109-21sshd11:50:032
1744699170,15cyclictest0-21swapper/110:40:341
1744699170,15cyclictest0-21swapper/110:11:521
1744899169,6cyclictest4210-21sshd11:41:413
1744899167,4cyclictest14708-21sshd12:05:543
1744899162,12cyclictest0-21swapper/312:12:353
1744899160,14cyclictest5045-21sshd10:19:473
1744899160,14cyclictest0-21swapper/312:23:193
1744799167,4cyclictest9379-21sshd09:20:182
1744799165,3cyclictest17034-21kworker/2:110:31:352
1744799164,2cyclictest0-21swapper/211:48:432
1744799162,13cyclictest146450irq/28-eth1-rx-08:21:282
1744799162,13cyclictest0-21swapper/210:16:092
1744799162,10cyclictest1884-21nfsd11:27:412
1744799162,10cyclictest1884-21nfsd11:27:412
1744799161,1cyclictest0-21swapper/212:26:532
1744799161,14cyclictest146450irq/28-eth1-rx-08:35:442
1744799161,14cyclictest146450irq/28-eth1-rx-08:31:282
1744799161,14cyclictest146450irq/28-eth1-rx-08:28:242
1744799161,14cyclictest146450irq/28-eth1-rx-08:07:402
17447991611,4cyclictest10850irq/23-ehci_hcd10:46:532
1744799161,11cyclictest1146-21jbd2/dm-2-807:30:422
1744799160,8cyclictest47-21rcuop/308:44:522
1744699168,6cyclictest0-21swapper/112:27:001
1744699162,3cyclictest30472-21sshd10:58:271
17446991612,3cyclictest10850irq/23-ehci_hcd08:48:001
1744699160,7cyclictest0-21swapper/109:38:121
1744699160,14cyclictest0-21swapper/112:38:201
1744699160,14cyclictest0-21swapper/110:37:121
1744699160,14cyclictest0-21swapper/110:27:091
1744699160,14cyclictest0-21swapper/110:01:151
1744699160,14cyclictest0-21swapper/109:41:561
1744699160,14cyclictest0-21swapper/109:22:271
1744699160,14cyclictest0-21swapper/107:55:211
1744599167,8cyclictest0-21swapper/009:36:220
1744599164,11cyclictest0-21swapper/011:01:410
1744599160,15cyclictest0-21swapper/011:44:540
117462160,2sleep20-21swapper/211:23:332
240842150,13sleep3137550irq/27-eth011:37:493
1744899157,6cyclictest0-21swapper/310:21:493
1744899157,4cyclictest10850irq/23-ehci_hcd08:45:203
1744899155,8cyclictest0-21swapper/310:05:163
1744899153,11cyclictest17375-21sshd11:15:063
17448991511,2cyclictest0-21swapper/310:00:153
17448991510,4cyclictest0-21swapper/310:38:363
1744899150,6cyclictest0-21swapper/311:48:513
1744899150,6cyclictest0-21swapper/309:40:273
1744899150,14cyclictest0-21swapper/310:43:353
1744899150,13cyclictest8044-21sshd10:51:013
1744899150,13cyclictest0-21swapper/312:30:273
1744899150,13cyclictest0-21swapper/312:17:413
1744899150,13cyclictest0-21swapper/309:35:583
1744799159,2cyclictest0-21swapper/210:59:122
1744799155,9cyclictest146450irq/28-eth1-rx-07:21:272
1744799153,9cyclictest146450irq/28-eth1-rx-08:51:282
1744799153,9cyclictest146450irq/28-eth1-rx-08:51:272
1744799152,4cyclictest0-21swapper/207:46:242
1744799152,12cyclictest2411-21sshd12:12:362
1744799152,12cyclictest146450irq/28-eth1-rx-12:35:432
1744799152,12cyclictest146450irq/28-eth1-rx-12:02:032
1744799151,9cyclictest236832sleep211:37:392
1744799151,14cyclictest146450irq/28-eth1-rx-07:27:592
17447991511,3cyclictest25368-21ntp_states09:55:182
17447991511,3cyclictest14656-21bash12:16:252
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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