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2024-11-22 - 11:22
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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 rackfslot7.osadl.org (updated Fri Nov 22, 2024 00:46:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2202019997436,19cyclictest16-21ksoftirqd/019:25:150
2202019997416,20cyclictest2243271-21sort20:20:220
2202019997213,40cyclictest2327419-21sed22:50:310
2202019996547,18cyclictest0-21swapper/020:36:010
2202026996426,38cyclictest2358845-21switchtime23:50:197
220201999570,17cyclictest0-21swapper/021:54:290
2202026995618,19cyclictest2253740-21if_err_eno220:40:157
220202299560,17cyclictest0-21swapper/323:15:153
2202019995618,38cyclictest0-21swapper/021:13:280
2202026995515,39cyclictest0-21swapper/720:57:107
2202026995435,19cyclictest2318579-21ntpq22:35:207
2202026995414,39cyclictest0-21swapper/723:15:587
2202026995414,39cyclictest0-21swapper/700:16:497
2202019995436,0cyclictest0-21swapper/020:46:030
2202019995436,0cyclictest0-21swapper/020:46:030
2202019995435,19cyclictest2260617-21kworker/u16:1+flush-8:022:02:290
2202026995334,19cyclictest2270563-21awk21:10:177
2202026995314,39cyclictest0-21swapper/722:19:387
2202026995314,39cyclictest0-21swapper/722:04:577
2202026995314,39cyclictest0-21swapper/720:07:027
2202026995314,39cyclictest0-21swapper/720:01:157
2202026995314,39cyclictest0-21swapper/700:12:217
2202026995314,20cyclictest2221005-21grep19:40:257
2202026995314,20cyclictest0-21swapper/723:25:417
2202026995314,19cyclictest0-21swapper/721:40:297
2202026995313,39cyclictest0-21swapper/720:17:347
2202026995313,39cyclictest0-21swapper/700:06:577
2202019995334,19cyclictest2253615-21awk20:40:150
2202019995315,19cyclictest0-21swapper/000:36:320
2202019995314,39cyclictest0-21swapper/023:46:380
2202019995313,19cyclictest0-21swapper/021:42:470
2202026995213,39cyclictest0-21swapper/723:22:367
2202026995213,39cyclictest0-21swapper/722:51:557
2202026995213,39cyclictest0-21swapper/722:24:077
2202026995213,39cyclictest0-21swapper/721:04:297
2202026995213,39cyclictest0-21swapper/719:35:367
2202026995213,39cyclictest0-21swapper/700:01:197
2202023995233,19cyclictest0-21swapper/423:00:134
2202019995233,19cyclictest0-21swapper/019:52:270
2202019995233,0cyclictest2370545-21kworker/u16:1+flush-8:000:34:270
2202019995213,19cyclictest0-21swapper/021:58:030
2202019995213,19cyclictest0-21swapper/020:02:140
2202026995112,39cyclictest0-21swapper/723:41:057
2202026995112,39cyclictest0-21swapper/722:46:127
2202026995112,39cyclictest0-21swapper/722:42:277
2202026995112,39cyclictest0-21swapper/722:33:417
2202026995112,39cyclictest0-21swapper/721:29:147
2202026995112,39cyclictest0-21swapper/720:50:427
2202026995112,39cyclictest0-21swapper/720:50:417
2202026995112,39cyclictest0-21swapper/720:45:267
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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