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2026-04-03 - 19:33
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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
Characteristics of the 50 highest latencies:
System rackcslot6.osadl.org (updated Fri Apr 03, 2026 12:46:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28612099363362,1cyclictest0-21swapper/408:36:024
28612099362359,2cyclictest0-21swapper/410:01:024
28612099361360,1cyclictest0-21swapper/411:55:024
28612099361359,1cyclictest0-21swapper/409:55:024
28612099360359,1cyclictest0-21swapper/412:10:024
28612099360359,1cyclictest0-21swapper/408:55:024
28612099360358,1cyclictest0-21swapper/412:25:024
28612099360358,1cyclictest0-21swapper/408:14:024
28612099359358,1cyclictest0-21swapper/411:18:024
28612099359358,1cyclictest0-21swapper/410:25:024
28612099359358,1cyclictest0-21swapper/408:50:034
28612099359357,1cyclictest0-21swapper/409:40:024
28612099358357,1cyclictest0-21swapper/411:25:034
28612099358357,1cyclictest0-21swapper/407:30:024
28612099358357,1cyclictest0-21swapper/407:30:024
28612099357356,1cyclictest398234-21kworker/4:011:08:024
28612099357356,1cyclictest0-21swapper/410:45:024
28612099357355,1cyclictest0-21swapper/409:47:024
28612099356355,1cyclictest398234-21kworker/4:010:37:034
28612099356355,1cyclictest0-21swapper/412:33:034
28612099356355,1cyclictest0-21swapper/411:41:034
28612099356355,1cyclictest0-21swapper/410:52:024
28612099355354,1cyclictest569283-21kworker/4:109:07:024
28612099355354,1cyclictest0-21swapper/411:31:034
28612099355354,1cyclictest0-21swapper/409:14:024
28612099355354,1cyclictest0-21swapper/408:21:024
28612099355354,1cyclictest0-21swapper/407:38:024
28612099354353,1cyclictest569283-21kworker/4:108:31:024
28612099354353,1cyclictest0-21swapper/410:59:024
28612099354353,1cyclictest0-21swapper/410:41:024
28612099354352,1cyclictest0-21swapper/409:37:034
28612099353352,1cyclictest398234-21kworker/4:010:31:024
28612099353352,1cyclictest398234-21kworker/4:010:31:024
28612099353352,1cyclictest0-21swapper/411:51:024
28612099353352,1cyclictest0-21swapper/410:08:034
28612099353352,1cyclictest0-21swapper/409:02:024
28612099353352,1cyclictest0-21swapper/409:02:024
28612099353351,1cyclictest398234-21kworker/4:012:16:024
28613599342339,1cyclictest563277-21kworker/6:007:28:036
28610399339336,1cyclictest0-21swapper/207:28:022
28608999337335,1cyclictest1137-21snmpd11:23:020
28608999299298,1cyclictest530628-21kworker/0:008:36:030
28608999297296,1cyclictest530628-21kworker/0:011:55:020
28608999297295,1cyclictest530628-21kworker/0:012:10:020
28608999297295,1cyclictest530628-21kworker/0:010:01:020
28608999297295,1cyclictest530628-21kworker/0:009:55:030
28608999296295,1cyclictest530628-21kworker/0:008:55:020
28608999296294,1cyclictest530628-21kworker/0:008:50:020
28612899295293,1cyclictest428329-21kworker/5:211:23:025
28608999295294,1cyclictest530628-21kworker/0:012:25:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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