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2025-07-05 - 21:29
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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 Sat Jul 05, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2008799855780,38cyclictest31754-21ssh09:10:180
2008899738695,28cyclictest0-21swapper/109:10:181
196142586565,14sleep10-21swapper/107:05:401
2008799388336,41cyclictest20822-21runrttasks07:10:210
196542138115,16sleep00-21swapper/007:06:000
200889910710,72cyclictest0-21swapper/109:59:591
364121020,5sleep13640-21open_files10:10:241
20087999666,24cyclictest0-21swapper/009:55:590
2008799918,77cyclictest18473-21kworker/0:111:04:590
20088999012,62cyclictest0-21swapper/108:57:591
181322840,3sleep118136-21sh12:28:051
216899830,5rtkit-daemon2167-21rtkit-daemon12:36:321
20087998325,45cyclictest0-21swapper/008:10:000
216899820,4rtkit-daemon2167-21rtkit-daemon12:30:421
216899820,4rtkit-daemon2167-21rtkit-daemon11:27:360
216899820,4rtkit-daemon2167-21rtkit-daemon11:16:201
20088998115,44cyclictest0-21swapper/110:47:001
216899800,5rtkit-daemon2167-21rtkit-daemon12:09:471
216899800,4rtkit-daemon2167-21rtkit-daemon10:18:240
20088997917,45cyclictest0-21swapper/110:04:591
20087997935,30cyclictest0-21swapper/011:32:580
20088997829,35cyclictest0-21swapper/107:58:581
20087997824,44cyclictest0-21swapper/010:03:580
216899770,4rtkit-daemon2167-21rtkit-daemon11:41:400
216899760,4rtkit-daemon2167-21rtkit-daemon08:20:171
216899750,4rtkit-daemon2167-21rtkit-daemon11:02:251
216899750,4rtkit-daemon2167-21rtkit-daemon10:28:541
20087997538,30cyclictest0-21swapper/009:50:120
216899740,5rtkit-daemon2167-21rtkit-daemon10:19:141
216899740,4rtkit-daemon2167-21rtkit-daemon11:20:201
216899740,4rtkit-daemon2167-21rtkit-daemon09:44:370
216899740,4rtkit-daemon2167-21rtkit-daemon09:40:281
216899740,4rtkit-daemon2167-21rtkit-daemon09:20:481
216899740,4rtkit-daemon2167-21rtkit-daemon09:20:481
216899730,4rtkit-daemon2167-21rtkit-daemon11:16:100
20088997314,38cyclictest0-21swapper/107:14:591
20087997344,22cyclictest0-21swapper/012:25:190
20087997331,28cyclictest0-21swapper/012:18:580
20087997236,25cyclictest0-21swapper/011:51:090
216899710,4rtkit-daemon2167-21rtkit-daemon08:25:160
216899710,12rtkit-daemon0-21swapper/011:26:011
20087997147,17cyclictest0-21swapper/011:14:310
20087997131,33cyclictest10997-21ssh09:29:450
216899700,4rtkit-daemon2167-21rtkit-daemon11:35:360
216899700,4rtkit-daemon2167-21rtkit-daemon10:55:501
216899700,4rtkit-daemon2167-21rtkit-daemon09:37:080
216899700,3rtkit-daemon2167-21rtkit-daemon10:06:041
216899700,3rtkit-daemon2167-21rtkit-daemon07:45:401
20088997014,39cyclictest0-21swapper/108:52:591
20088997014,35cyclictest0-21swapper/109:34:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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