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2025-12-10 - 23:38
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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 10, 2025 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
533121880,1sleep2562899cyclictest09:32:132
917421620,4sleep0562099cyclictest09:53:220
2871121380,2sleep10-21swapper/111:44:301
1728921350,0sleep317288-21sshd11:22:593
446721230,5sleep10-21swapper/107:05:181
1457021180,2sleep10-21swapper/111:36:041
2832121150,2sleep128310-21sshd10:09:271
738221040,2sleep30-21swapper/311:00:473
231521040,2sleep22313-21sshd12:12:412
310221000,1sleep10-21swapper/112:26:181
260382980,0sleep00-21swapper/010:59:200
42222970,1sleep10-21swapper/111:18:081
503429333,48sleep30-21swapper/307:06:063
100322920,3sleep30-21swapper/311:25:293
307112910,0sleep00-21swapper/011:48:010
265342910,1sleep026520-21sshd12:15:190
24812890,2sleep10-21swapper/109:52:401
80082880,5sleep0562099cyclictest09:56:360
300662880,1sleep030060-21sshd11:58:160
115622880,1sleep08-21rcu_preempt09:39:570
98522870,0sleep00-21swapper/012:06:300
216232870,3sleep1562599cyclictest12:31:321
95402850,1sleep31847-21nfsd12:33:423
19822850,2sleep31966-21sshd09:38:503
320412830,1sleep20-21swapper/211:24:312
131462830,1sleep20-21swapper/211:46:082
251912820,5sleep20-21swapper/207:50:242
510828132,11sleep20-21swapper/207:07:012
208472810,0sleep00-21swapper/011:13:030
318442800,3sleep231832-21sshd12:15:502
299362800,1sleep029934-21sshd11:37:480
301812790,1sleep30-21swapper/310:16:343
88372770,2sleep38840-21sshd10:21:163
321502760,4sleep3562999cyclictest12:12:213
156542760,4sleep3562999cyclictest10:46:333
52362750,1sleep10-21swapper/112:05:591
58492730,1sleep35848-21sshd09:21:483
97192710,2sleep10-21swapper/112:03:021
76462710,1sleep20-21swapper/209:56:342
309502700,0sleep00-21swapper/011:03:320
121022700,4sleep0562099cyclictest09:19:010
295022690,4sleep3562999cyclictest09:31:173
18922690,2sleep11889-21sshd10:45:111
229172680,2sleep30-21swapper/310:26:293
80212630,2sleep10-21swapper/109:25:341
223292570,2sleep222320-21sshd10:12:132
284642550,0sleep00-21swapper/009:41:370
132062490,2sleep10-21swapper/111:32:361
506724335,4sleep00-21swapper/007:06:300
144552400,3sleep10-21swapper/111:22:421
562599358,21cyclictest22-21ksoftirqd/112:14:051
246322350,3sleep30-21swapper/311:50:463
36132340,30sleep1135650irq/27-eth009:42:271
5620993318,14cyclictest41ktimersoftd/009:48:570
562099331,29cyclictest0-21swapper/010:45:370
193422320,29sleep1135650irq/27-eth009:33:451
133642320,3sleep30-21swapper/309:50:173
124512320,2sleep10-21swapper/108:35:131
5620993016,13cyclictest3-21ksoftirqd/011:53:070
5620993013,3cyclictest3-21ksoftirqd/012:27:130
562099293,23cyclictest10883-21sshd11:15:210
562099293,18cyclictest1959-21sshd11:34:350
562099292,24cyclictest8-21rcu_preempt10:08:040
562099290,23cyclictest0-21swapper/012:21:320
179262290,2sleep20-21swapper/209:19:382
90722280,26sleep3135650irq/27-eth009:56:433
562599280,19cyclictest22-21ksoftirqd/111:26:111
562099289,16cyclictest3-21ksoftirqd/012:32:450
5620992815,11cyclictest3-21ksoftirqd/012:37:530
5620992812,7cyclictest3-21ksoftirqd/010:17:100
562099281,19cyclictest16743-21sshd11:26:110
5620992811,15cyclictest3-21ksoftirqd/012:01:480
562099279,16cyclictest3-21ksoftirqd/011:22:220
562099279,16cyclictest3-21ksoftirqd/010:34:310
562099279,16cyclictest1848-21nfsd09:20:400
562099272,12cyclictest7836-21sshd11:08:120
5620992714,12cyclictest3-21ksoftirqd/011:40:060
562099271,24cyclictest41ktimersoftd/009:25:020
5620992712,14cyclictest3-21ksoftirqd/009:34:380
562099270,24cyclictest0-21swapper/012:12:310
174472270,4sleep1562599cyclictest10:04:471
106342270,0sleep224467-21kworker/2:110:39:102
562099269,16cyclictest3-21ksoftirqd/010:50:090
562099263,14cyclictest1845-21nfsd10:13:550
562099261,24cyclictest8216-21sshd10:21:120
228922260,2sleep30-21swapper/309:13:053
562599258,14cyclictest22-21ksoftirqd/112:19:171
562599255,17cyclictest22-21ksoftirqd/109:20:031
562599251,9cyclictest21528-21sshd10:43:491
5620992515,8cyclictest3-21ksoftirqd/009:10:180
5620992514,10cyclictest3-21ksoftirqd/010:03:080
232802250,23sleep3135650irq/27-eth011:33:433
121872250,1sleep212176-21sshd10:42:502
5629992416,5cyclictest5108-21bash11:07:513
5628992414,3cyclictest10950irq/23-ehci_hcd12:20:562
5628992410,6cyclictest19978-21sshd09:40:422
5625992411,4cyclictest22-21ksoftirqd/111:12:531
562599240,16cyclictest22-21ksoftirqd/111:06:091
562099241,21cyclictest10-21rcuc/010:25:360
562099240,15cyclictest9365-21sshd10:42:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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