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2025-07-19 - 00:28
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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 50 highest latencies:
System rackaslot0.osadl.org (updated Fri Jul 18, 2025 12:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
65832560,0sleep00-21swapper/010:10:170
6352560,0sleep02279399cyclictest11:00:530
186512560,0sleep00-21swapper/012:23:420
51342540,0sleep20-21swapper/209:22:452
138542540,1sleep010-21rcuc/011:38:150
75792520,0sleep07577-21seq09:33:190
62372520,0sleep16208-21sshd10:03:301
52772520,0sleep25278-21bash12:04:302
2235325225,9sleep00-21swapper/007:07:470
195392520,0sleep20-21swapper/211:50:442
122262510,1sleep20-21swapper/211:23:022
309402500,1sleep330922-21sshd10:02:393
292152500,1sleep20-21swapper/212:39:432
2220525023,8sleep10-21swapper/107:05:541
157142500,1sleep015696-21sshd09:51:020
115602490,1sleep21507-21nfsd10:14:082
71602480,0sleep30-21swapper/309:22:583
279772480,1sleep227954-21sshd10:57:272
2245724827,18sleep20-21swapper/207:09:002
234672470,1sleep015509-21diskmemload10:54:040
2225724724,19sleep30-21swapper/307:06:363
65332460,0sleep10-21swapper/112:04:361
305412460,0sleep30-21swapper/311:03:453
230662460,0sleep00-21swapper/010:01:470
111612460,0sleep20-21swapper/209:40:312
277042420,0sleep20-21swapper/210:48:252
277042420,0sleep20-21swapper/210:48:252
321252410,2sleep12279499cyclictest07:25:241
187352340,0sleep218737-21id09:48:042
83752280,0sleep08376-21sshd12:13:440
162372240,0sleep00-21swapper/012:02:260
41502210,0sleep10-21swapper/110:52:131
2279699210,20cyclictest0-21swapper/311:38:363
22794992120,1cyclictest29589-21sshd12:06:401
22794992120,1cyclictest1354-21sshd10:29:431
214252210,1sleep20-21swapper/210:35:072
22795992018,1cyclictest0-21swapper/209:12:032
22794992019,1cyclictest18378-21sshd11:38:411
326252190,0sleep30-21swapper/309:42:523
274042190,1sleep015509-21diskmemload10:19:060
234912190,1sleep023487-21bash10:08:400
88682180,1sleep38870-21bash12:13:473
44942180,0sleep30-21swapper/312:19:243
259922180,1sleep125993-21sshd11:54:261
22793991713,3cyclictest3-21ksoftirqd/010:57:330
187112170,0sleep10-21swapper/110:44:361
76302160,1sleep337-21rcuc/311:25:323
22796991614,1cyclictest0-21swapper/310:29:433
22795991614,1cyclictest0-21swapper/209:55:482
2279499169,3cyclictest0-21swapper/111:24:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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