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2023-12-10 - 14:37
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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 rackcslot6.osadl.org (updated Sun Dec 10, 2023 00:46:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36202102140121,3sleep40-21swapper/419:05:374
3620744210585,18sleep30-21swapper/319:06:403
362068729360,11sleep10-21swapper/119:05:501
3621220998516,39cyclictest0-21swapper/723:37:577
3621171998416,36cyclictest0-21swapper/122:27:561
3621197998215,37cyclictest0-21swapper/423:22:564
37306022810,0sleep50-21swapper/521:45:195
3621197998115,36cyclictest0-21swapper/420:52:564
362070128157,12sleep60-21swapper/619:06:036
3621197998016,34cyclictest0-21swapper/421:27:564
362097028057,11sleep70-21swapper/719:09:517
36839352790,0sleep20-21swapper/220:55:252
362093827956,11sleep50-21swapper/519:09:255
3621197997815,34cyclictest0-21swapper/422:02:574
362081827760,11sleep00-21swapper/019:07:420
362070727761,11sleep20-21swapper/219:06:082
36400412750,0sleep20-21swapper/219:40:202
38232252690,0sleep70-21swapper/723:09:147
3621197996812,24cyclictest0-21swapper/423:57:564
3621212996617,39cyclictest0-21swapper/620:32:576
3621212996612,24cyclictest0-21swapper/600:07:566
3621212996564,1cyclictest0-21swapper/619:57:566
3621212996537,28cyclictest0-21swapper/619:22:576
3621212996216,40cyclictest0-21swapper/600:32:566
3621212996215,36cyclictest0-21swapper/600:22:566
3621212996117,35cyclictest0-21swapper/619:12:566
3621212996115,39cyclictest0-21swapper/623:47:566
3621212995915,40cyclictest0-21swapper/619:47:566
3621183994018,22cyclictest0-21swapper/220:07:562
3621183994017,23cyclictest0-21swapper/221:42:572
3621205993214,7cyclictest0-21swapper/520:57:565
36949192300,0sleep40-21swapper/421:12:334
36244942300,0sleep60-21swapper/619:15:016
3621197993014,15cyclictest0-21swapper/422:42:574
3621197993014,15cyclictest0-21swapper/419:52:564
3621171993014,15cyclictest0-21swapper/119:27:571
3621212992913,15cyclictest0-21swapper/622:22:576
3621197992914,15cyclictest0-21swapper/400:37:564
3621197992913,15cyclictest0-21swapper/421:37:574
3621191992928,1cyclictest0-21swapper/323:02:563
39204552280,2sleep656-21ksoftirqd/600:35:486
36751022280,1sleep656-21ksoftirqd/620:40:236
3621205992812,15cyclictest0-21swapper/500:17:565
38391402270,2sleep121-21ksoftirqd/123:23:101
3621212992711,15cyclictest0-21swapper/623:27:576
3621197992712,15cyclictest0-21swapper/400:27:564
3621197992711,15cyclictest0-21swapper/422:32:564
38331762260,1sleep121-21ksoftirqd/123:17:251
3621220992610,15cyclictest0-21swapper/719:42:577
3621197992610,15cyclictest0-21swapper/420:37:574
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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