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2026-03-27 - 01:36
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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 Thu Mar 26, 2026 12:46:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1646998993790,0cyclictest0-21swapper/411:29:034
1646998993790,0cyclictest0-21swapper/411:29:024
164701099368366,1cyclictest0-21swapper/507:15:025
164701099364362,1cyclictest0-21swapper/512:05:035
164701099362361,1cyclictest0-21swapper/510:10:025
164701099360358,1cyclictest0-21swapper/511:11:025
164701099359358,1cyclictest0-21swapper/512:00:025
164701099359358,1cyclictest0-21swapper/510:35:025
164701099359358,1cyclictest0-21swapper/507:25:035
164701099358357,1cyclictest0-21swapper/511:54:025
164701099358357,1cyclictest0-21swapper/511:35:025
164701099358357,1cyclictest0-21swapper/509:50:025
164701099358356,1cyclictest0-21swapper/508:33:035
164701099358356,1cyclictest0-21swapper/508:33:035
164701099358356,1cyclictest0-21swapper/507:20:025
164701099358356,1cyclictest0-21swapper/507:10:035
164701099357356,1cyclictest0-21swapper/510:32:025
164701099357356,1cyclictest0-21swapper/510:00:025
164701099357356,1cyclictest0-21swapper/510:00:025
164701099357356,1cyclictest0-21swapper/508:40:035
164701099357355,1cyclictest0-21swapper/512:26:025
164701099357355,1cyclictest0-21swapper/511:47:025
164701099357355,1cyclictest0-21swapper/510:43:025
164701099357355,1cyclictest0-21swapper/510:16:025
164701099357355,1cyclictest0-21swapper/508:56:025
164701099356355,1cyclictest0-21swapper/511:30:025
164701099356355,1cyclictest0-21swapper/507:49:025
164701099356355,1cyclictest0-21swapper/507:32:035
164701099356354,1cyclictest0-21swapper/511:06:025
164701099356354,1cyclictest0-21swapper/510:08:025
164701099356354,1cyclictest0-21swapper/509:29:025
164701099356354,1cyclictest0-21swapper/508:22:035
164701099356354,1cyclictest0-21swapper/507:57:025
164697199356355,1cyclictest0-21swapper/009:53:020
164701099355354,1cyclictest1640834-21kworker/5:010:25:035
164701099355354,1cyclictest0-21swapper/511:28:025
164701099355354,1cyclictest0-21swapper/511:28:025
164701099355354,1cyclictest0-21swapper/509:57:025
164701099355354,1cyclictest0-21swapper/509:36:025
164701099355354,1cyclictest0-21swapper/508:16:025
164701099355353,1cyclictest1689936-21kworker/5:208:28:035
164701099355353,1cyclictest0-21swapper/512:19:025
164701099355353,1cyclictest0-21swapper/510:52:025
164697199355353,2cyclictest0-21swapper/008:10:020
164701099354352,1cyclictest0-21swapper/508:48:025
164697199354352,1cyclictest0-21swapper/010:47:020
164697199354352,1cyclictest0-21swapper/009:40:020
164701099353352,1cyclictest1828312-21kworker/5:112:20:025
164701099353351,1cyclictest1828312-21kworker/5:112:10:025
164701099353351,1cyclictest1640834-21kworker/5:011:20:025
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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