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2024-07-16 - 08:22
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack0slot6.osadl.org (updated Tue Jul 16, 2024 00:46:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
238956999697299,397cyclictest0-21swapper/1521:52:597
238953399610143,29cyclictest0-21swapper/519:42:4311
23895389956637,528cyclictest78-21ksoftirqd/620:09:2112
23895699952728,498cyclictest0-21swapper/1520:49:217
23895389952727,499cyclictest0-21swapper/620:26:4512
238952099524524,0cyclictest0-21swapper/120:38:441
2389555995233,519cyclictest0-21swapper/1220:46:454
23895389952121,498cyclictest0-21swapper/623:23:4712
23895389951845,0cyclictest0-21swapper/623:25:5412
23895389951845,0cyclictest0-21swapper/623:25:5412
23895189951416,498cyclictest0-21swapper/022:46:230
23895339951113,0cyclictest0-21swapper/520:37:4311
23895389951012,497cyclictest0-21swapper/623:43:4312
23895389951012,497cyclictest0-21swapper/623:43:4312
23895409950912,496cyclictest0-21swapper/723:04:5513
2389530995086,498cyclictest60-21ksoftirqd/419:31:2110
2389567994990,0cyclictest0-21swapper/1421:28:436
23895439949916,483cyclictest0-21swapper/800:15:4614
2389533994999,28cyclictest0-21swapper/521:51:4411
238953399498496,2cyclictest2290588-21kworker/5:2+i915-unordered20:02:4311
23895339949823,0cyclictest0-21swapper/521:36:2211
23895389949729,468cyclictest0-21swapper/622:53:2312
238955099496496,0cyclictest2280578-21kworker/10:1+events19:20:222
238955099496496,0cyclictest2280578-21kworker/10:1+events19:20:222
23895339949317,476cyclictest0-21swapper/521:28:5811
23895409949221,471cyclictest0-21swapper/719:35:2213
23895389949022,467cyclictest0-21swapper/622:55:2112
23895389949020,469cyclictest0-21swapper/600:34:5412
2389533994909,27cyclictest0-21swapper/500:39:4511
238953099490490,0cyclictest2464067-21kworker/4:1+i915-unordered20:46:4510
23895409948818,469cyclictest0-21swapper/722:27:5313
23895389948719,467cyclictest0-21swapper/600:28:5312
23895679948619,466cyclictest0-21swapper/1423:38:216
23895679948619,466cyclictest0-21swapper/1423:38:216
238955599486486,0cyclictest0-21swapper/1219:45:444
238955399486484,2cyclictest2421249-21kworker/11:0+events19:50:563
2389533994865,29cyclictest0-21swapper/500:06:3211
23895339948620,27cyclictest0-21swapper/523:46:2211
23895679948518,466cyclictest0-21swapper/1423:15:436
23895339948425,458cyclictest0-21swapper/521:30:2211
238956999483483,0cyclictest2557711-21kworker/15:2+i915-unordered23:04:557
23895339948352,430cyclictest2290588-21kworker/5:2+i915-unordered20:06:4311
23895339948323,0cyclictest0-21swapper/520:48:4611
23895339947939,439cyclictest0-21swapper/521:09:2211
23895339947924,454cyclictest0-21swapper/519:51:4611
23895339947840,438cyclictest0-21swapper/519:46:4211
238956299477474,2cyclictest67650irq/164-i91521:36:225
238953899477473,2cyclictest2499257-21kworker/6:1+events21:28:4312
238956799476475,1cyclictest2436739-21kworker/14:1+events20:07:426
2389533994760,1cyclictest0-21swapper/520:57:4511
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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