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2026-06-07 - 00:14
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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 20 highest latencies:
System rackeslot2.osadl.org (updated Sat Jun 06, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22873142760,1sleep10-21swapper/121:59:481
22963652690,1sleep12296364-21ssh22:07:371
2059714993421,5cyclictest3827634-1atopacctd00:35:010
2059714993326,5cyclictest2066359-21if_eno119:15:010
2059714992412,6cyclictest0-21swapper/021:55:010
2059717992320,1cyclictest0-21swapper/221:40:012
2059715992320,2cyclictest2528976-21apt-config00:40:001
2059714992315,7cyclictest0-21swapper/021:50:000
383433398220,5rtkit-daemon2469360-21ssh00:00:530
2059717992219,1cyclictest0-21swapper/200:20:002
2059717992219,1cyclictest0-21swapper/200:20:002
2059714992219,2cyclictest3827634-1atopacctd21:10:020
2059714992219,2cyclictest2431242-21grep23:35:000
2059714992215,6cyclictest2415606-21awk23:24:460
2059714992214,5cyclictest2059711-21cyclictest00:19:390
2059714992214,5cyclictest2059711-21cyclictest00:19:380
205971499220,4cyclictest2352978-21kthreadcore22:44:440
2059717992113,2cyclictest0-21swapper/200:21:472
2059715992118,2cyclictest2059711-21cyclictest21:30:011
2059715992113,3cyclictest0-21swapper/122:25:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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