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2024-04-26 - 14:10
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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 rack3slot0.osadl.org (updated Fri Apr 26, 2024 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31312750,1sleep22424599cyclictest10:17:082
68772710,1sleep52426499cyclictest11:16:545
105522570,1sleep410554-21kworker/u16:411:43:524
298082520,0sleep00-21swapper/009:41:100
224562500,0sleep70-21swapper/711:22:007
224562500,0sleep70-21swapper/711:22:007
309422490,0sleep20-21swapper/211:55:272
2399524928,17sleep00-21swapper/007:07:290
234362490,0sleep40-21swapper/411:41:524
134392490,0sleep50-21swapper/511:07:015
26022480,0sleep6698-21dbus-daemon10:44:596
275212460,0sleep20-21swapper/209:44:172
317182450,0sleep00-21swapper/011:45:560
24832450,0sleep10-21swapper/110:13:391
89882440,0sleep6631rcuc/610:24:336
65612430,1sleep66555-21bash11:46:426
298032430,0sleep70-21swapper/711:58:367
2381824330,9sleep20-21swapper/207:04:582
200132420,0sleep00-21swapper/011:31:380
198752420,0sleep10-21swapper/109:58:091
4192410,0sleep50-21swapper/511:49:135
2380524129,8sleep70-21swapper/707:04:477
2162424129,8sleep50-21swapper/507:03:495
187132410,0sleep30-21swapper/310:50:093
180072410,0sleep00-21swapper/011:14:330
130202410,0sleep00-21swapper/010:59:510
326772400,0sleep20-21swapper/211:12:342
2388024028,8sleep60-21swapper/607:05:516
2381124028,8sleep40-21swapper/407:04:524
2379224028,8sleep30-21swapper/307:04:353
183162400,0sleep10-21swapper/111:44:291
84312390,0sleep00-21swapper/011:33:470
44852390,0sleep50-21swapper/511:09:255
256972390,0sleep70-21swapper/712:01:177
2389323926,9sleep10-21swapper/107:06:021
202612200,0sleep00-21swapper/011:54:210
176092200,0sleep60-21swapper/609:36:286
6502190,0sleep50-21swapper/512:20:535
28502180,1sleep02852-21bash12:17:590
28502180,1sleep02852-21bash12:17:590
2427499187,1cyclictest73-21ksoftirqd/709:52:467
2427499185,2cyclictest73-21ksoftirqd/711:49:367
24235991813,4cyclictest12758-21perl08:43:560
54962170,0sleep30-21swapper/310:20:543
2427499174,4cyclictest73-21ksoftirqd/711:31:177
191622170,0sleep60-21swapper/612:25:506
168262170,1sleep5717-21systemd-logind10:08:225
315362160,0sleep70-21swapper/711:05:277
2427499165,1cyclictest73-21ksoftirqd/709:38:147
24240991616,0cyclictest24351-21kworker/1:111:24:341
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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