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2024-11-25 - 10:04
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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 rack1slot8.osadl.org (updated Mon Nov 25, 2024 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
830299906785,27cyclictest0-21swapper/119:35:201
830199812698,16cyclictest18120-21strings19:35:200
830299486423,26cyclictest8467-21aten_r1power_cu19:10:121
830199416343,67cyclictest41ktimersoftd/019:10:120
81292132110,15sleep10-21swapper/119:08:381
83019910996,8cyclictest17818-21ssh22:57:590
2168991080,30rtkit-daemon2167-21rtkit-daemon21:03:051
2168991080,27rtkit-daemon2167-21rtkit-daemon00:12:341
2168991080,26rtkit-daemon2167-21rtkit-daemon21:32:301
2168991070,30rtkit-daemon2167-21rtkit-daemon00:04:041
2168991070,29rtkit-daemon2167-21rtkit-daemon19:55:541
2168991070,28rtkit-daemon2167-21rtkit-daemon21:43:451
83019910659,40cyclictest0-21swapper/023:03:590
2168991050,28rtkit-daemon2167-21rtkit-daemon00:34:351
2168991040,27rtkit-daemon2167-21rtkit-daemon00:20:041
2168991040,26rtkit-daemon2167-21rtkit-daemon00:15:591
2168991040,25rtkit-daemon2167-21rtkit-daemon20:26:541
83019910355,38cyclictest0-21swapper/000:00:000
2168991020,25rtkit-daemon2167-21rtkit-daemon23:19:381
2168991000,27rtkit-daemon2167-21rtkit-daemon23:54:281
216899990,28rtkit-daemon2167-21rtkit-daemon20:44:541
216899990,27rtkit-daemon2167-21rtkit-daemon20:45:541
216899990,27rtkit-daemon2167-21rtkit-daemon20:05:591
830199984,19cyclictest0-21swapper/022:48:590
216899980,28rtkit-daemon2167-21rtkit-daemon20:32:291
197962980,3sleep119798-21sed23:00:271
216899960,28rtkit-daemon2167-21rtkit-daemon21:07:001
216899960,27rtkit-daemon2167-21rtkit-daemon20:55:051
216899960,25rtkit-daemon2167-21rtkit-daemon21:55:511
216899950,29rtkit-daemon2167-21rtkit-daemon20:51:341
216899950,25rtkit-daemon2167-21rtkit-daemon23:42:231
216899950,24rtkit-daemon2167-21rtkit-daemon22:25:411
216899930,27rtkit-daemon2167-21rtkit-daemon21:52:561
8302999217,68cyclictest0-21swapper/119:30:591
216899910,4rtkit-daemon2167-21rtkit-daemon23:25:131
216899910,4rtkit-daemon2167-21rtkit-daemon23:25:131
216899910,3rtkit-daemon2167-21rtkit-daemon20:07:340
8301998913,70cyclictest0-21swapper/021:12:000
216899870,25rtkit-daemon2167-21rtkit-daemon23:36:281
8301998541,29cyclictest0-21swapper/000:34:590
8301998415,63cyclictest0-21swapper/000:38:590
216899840,6rtkit-daemon0-21swapper/022:07:160
830299827,30cyclictest0-21swapper/122:43:591
8302998213,30cyclictest0-21swapper/121:35:591
8302998015,30cyclictest0-21swapper/120:22:591
8302998014,31cyclictest0-21swapper/122:20:591
216899800,4rtkit-daemon2167-21rtkit-daemon21:47:360
216899790,4rtkit-daemon2167-21rtkit-daemon21:19:500
216899790,4rtkit-daemon2167-21rtkit-daemon21:19:500
8302997817,55cyclictest0-21swapper/120:38:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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