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2024-10-09 - 02:04
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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 Wed Oct 09, 2024 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
125812835816,13sleep10-21swapper/119:06:071
13011995394,12cyclictest0-21swapper/119:10:061
1301199501431,39cyclictest0-21swapper/119:51:331
1301099408316,82cyclictest0-21swapper/019:10:060
1301099371306,39cyclictest0-21swapper/019:51:340
129632270246,16sleep00-21swapper/019:09:530
2168991220,3rtkit-daemon2167-21rtkit-daemon19:30:071
130119911613,63cyclictest0-21swapper/119:26:591
216899970,4rtkit-daemon2167-21rtkit-daemon22:11:441
216899830,4rtkit-daemon2167-21rtkit-daemon23:56:510
13011998210,59cyclictest0-21swapper/120:07:591
216899810,5rtkit-daemon2167-21rtkit-daemon00:22:231
216899810,3rtkit-daemon2167-21rtkit-daemon19:17:320
216899780,5rtkit-daemon2167-21rtkit-daemon21:49:290
13010997621,48cyclictest0-21swapper/000:12:590
216899750,4rtkit-daemon2167-21rtkit-daemon00:11:561
216899740,5rtkit-daemon2167-21rtkit-daemon21:24:581
216899740,5rtkit-daemon2167-21rtkit-daemon21:00:131
216899740,4rtkit-daemon2167-21rtkit-daemon22:20:391
216899730,4rtkit-daemon2167-21rtkit-daemon23:18:300
216899730,4rtkit-daemon2167-21rtkit-daemon22:34:051
216899730,4rtkit-daemon2167-21rtkit-daemon21:52:041
216899730,31rtkit-daemon2167-21rtkit-daemon20:38:241
216899720,4rtkit-daemon2167-21rtkit-daemon23:21:120
216899720,4rtkit-daemon2167-21rtkit-daemon19:35:171
216899720,4rtkit-daemon2167-21rtkit-daemon00:27:071
216899710,4rtkit-daemon2167-21rtkit-daemon23:42:561
216899710,4rtkit-daemon2167-21rtkit-daemon22:01:441
216899710,4rtkit-daemon2167-21rtkit-daemon20:56:391
216899710,4rtkit-daemon2167-21rtkit-daemon19:46:371
13011997112,41cyclictest0-21swapper/120:49:001
216899700,4rtkit-daemon2167-21rtkit-daemon21:11:230
216899700,4rtkit-daemon2167-21rtkit-daemon19:24:321
216899700,26rtkit-daemon27618-21memory21:15:191
13010997014,48cyclictest0-21swapper/022:35:020
13010997013,52cyclictest0-21swapper/020:04:000
216899690,3rtkit-daemon2167-21rtkit-daemon00:32:271
13011996914,34cyclictest0-21swapper/121:26:001
216899680,4rtkit-daemon2167-21rtkit-daemon22:39:200
216899680,3rtkit-daemon2167-21rtkit-daemon20:12:431
216899670,4rtkit-daemon2167-21rtkit-daemon23:32:070
216899670,4rtkit-daemon2167-21rtkit-daemon20:24:231
216899670,4rtkit-daemon2167-21rtkit-daemon20:17:331
13011996716,31cyclictest0-21swapper/119:19:001
13010996735,26cyclictest0-21swapper/022:02:200
216899660,4rtkit-daemon2167-21rtkit-daemon21:36:151
216899660,3rtkit-daemon2167-21rtkit-daemon00:04:411
216899660,3rtkit-daemon2167-21rtkit-daemon00:04:411
13011996614,37cyclictest0-21swapper/123:09:581
13011996612,37cyclictest0-21swapper/121:10:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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