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2026-06-05 - 06:27
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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 Fri Jun 05, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30533021660,2sleep30-21swapper/321:19:463
5816712740,2sleep10-21swapper/100:24:401
4520662670,1sleep1452065-21ssh22:57:341
5432982400,2sleep0139712-21cyclictest23:59:090
3427502310,2sleep1342232-21ssh21:44:461
4005092290,1sleep10-21swapper/122:24:421
139714992817,6cyclictest0-21swapper/021:25:000
139715992722,2cyclictest134050irq/121-eno100:05:021
139715992421,2cyclictest1290-21dbus-daemon22:50:031
139715992315,2cyclictest134050irq/121-eno123:34:491
139714992320,2cyclictest229879-21apt20:20:000
139714992320,2cyclictest147373-21kthreadcore19:15:030
139714992314,5cyclictest344980-21timerandwakeup21:44:510
139714992313,4cyclictest3827634-1atopacctd22:33:580
2649091220,7phc2sys0-21swapper/322:59:373
139715992220,1cyclictest534285-21sh23:50:011
139715992219,2cyclictest549259-21sendmail00:00:001
139714992219,2cyclictest458555-21apt-key23:00:000
13971699212,10cyclictest0-21swapper/200:20:002
139716992112,4cyclictest0-21swapper/222:00:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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