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2024-12-09 - 17:41
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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 rackeslot3.osadl.org (updated Mon Dec 09, 2024 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1718551997640,33cyclictest1765720-21kworker/1:009:45:151
1718551997143,16cyclictest1798495-21kworker/1:011:15:171
1718551997057,2cyclictest1823966-21dpkg12:39:591
1718551997048,20cyclictest1805259-21kworker/1:211:55:181
1718551997041,20cyclictest1737112-21kworker/1:108:10:141
1718551996850,17cyclictest1790112-21kworker/1:110:55:011
1718551996736,30cyclictest1396046-1kworker/1:2H11:45:051
1718551996461,2cyclictest0-21swapper/111:10:191
1718551996159,1cyclictest0-21swapper/108:06:141
1718551996144,16cyclictest1765720-21kworker/1:009:45:011
1718551996140,19cyclictest1396046-1kworker/1:2H11:39:591
1718551996040,18cyclictest1396046-1kworker/1:2H10:50:001
1718551995957,1cyclictest0-21swapper/109:55:061
1718551995953,3cyclictest0-21swapper/108:53:191
1718551995943,15cyclictest1805259-21kworker/1:212:08:481
1718551995943,15cyclictest1758714-21kworker/1:109:10:261
1718551995942,16cyclictest1798495-21kworker/1:011:30:111
1718551995942,16cyclictest1798495-21kworker/1:011:20:161
1718551995843,14cyclictest1776878-21kworker/1:110:20:161
1718551995843,14cyclictest1758714-21kworker/1:109:15:161
1718551995843,14cyclictest1737112-21kworker/1:108:39:591
1718551995843,14cyclictest1737112-21kworker/1:108:25:291
1718551995843,14cyclictest1725516-21kworker/1:107:45:221
1718551995843,14cyclictest1696769-21kworker/1:007:17:071
1718551995843,14cyclictest1696769-21kworker/1:007:10:021
1718551995840,17cyclictest1805259-21kworker/1:211:50:181
1718551995839,18cyclictest1765720-21kworker/1:009:50:191
1718551995839,17cyclictest1776878-21kworker/1:110:10:151
1718551995743,14cyclictest1805259-21kworker/1:212:16:391
1718551995743,14cyclictest1765720-21kworker/1:010:06:161
1718551995742,14cyclictest1737112-21kworker/1:108:15:161
1718551995742,14cyclictest1733907-21kworker/1:008:00:421
1718551995742,14cyclictest1733907-21kworker/1:007:55:411
1718551995742,14cyclictest1696769-21kworker/1:007:25:011
1718551995741,15cyclictest1732242-21kworker/1:207:50:151
1718551995741,15cyclictest1696769-21kworker/1:007:20:131
171855199571,3cyclictest384844-21systemd-journal11:30:001
1718551995642,14cyclictest1737112-21kworker/1:108:20:061
1718551995641,14cyclictest1785793-21kworker/1:010:44:451
1718551995641,14cyclictest1785793-21kworker/1:010:36:191
1718551995641,14cyclictest1776878-21kworker/1:110:30:131
1718551995641,14cyclictest1737112-21kworker/1:108:41:021
1718551995641,14cyclictest1737112-21kworker/1:108:41:021
1718551995641,14cyclictest1737112-21kworker/1:108:32:451
1718551995641,14cyclictest1396046-1kworker/1:2H12:20:141
1718551995641,14cyclictest1396046-1kworker/1:2H12:01:131
1718551995639,16cyclictest1805259-21kworker/1:211:40:171
1718551995639,16cyclictest1805259-21kworker/1:211:40:171
1718556995550,3cyclictest2369183-1kworker/3:1H08:17:103
1718551995541,14cyclictest1820870-21kworker/1:212:30:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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