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2025-11-03 - 09:59
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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 20 highest latencies:
System rackeslot3.osadl.org (updated Mon Nov 03, 2025 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3463071996541,23cyclictest3531530-21kworker/1:122:40:171
3463071996339,22cyclictest3491818-1kworker/1:0H21:15:001
3463071996254,6cyclictest3545689-21fschecks_time23:15:171
3463071996244,17cyclictest3491818-1kworker/1:0H22:09:391
3463070996237,16cyclictest2112903-1kworker/0:0H21:10:000
3463071996142,17cyclictest3536454-21kworker/1:022:50:141
3463071996140,20cyclictest3554827-21kworker/1:323:45:191
3463071996140,19cyclictest3545016-21kworker/1:023:35:141
3463071996043,16cyclictest3515360-21kworker/1:021:55:151
3463071996042,17cyclictest3559710-21kworker/1:100:15:141
3463071996042,17cyclictest3491818-1kworker/1:0H23:57:341
3463071996042,17cyclictest3462400-21kworker/1:019:25:001
3463071996042,17cyclictest3462400-21kworker/1:019:25:001
3463071995944,14cyclictest3527277-21kworker/1:222:25:111
3463071995943,15cyclictest3471646-21kworker/1:219:35:041
3463071995843,14cyclictest3538625-21kworker/1:123:00:021
3463071995843,14cyclictest3525085-21kworker/1:122:20:011
3463071995843,14cyclictest3503486-21kworker/1:021:30:151
3463071995842,15cyclictest3525085-21kworker/1:122:15:271
3463071995842,15cyclictest3491818-1kworker/1:0H23:52:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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