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2025-12-22 - 07:37
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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 10 highest latencies:
System rackbslot7.osadl.org (updated Mon Dec 22, 2025 00:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
245029911910,82cyclictest24451-21apt-get21:50:152
1366921180,15sleep239-21ksoftirqd/200:10:222
244959910664,33cyclictest0-21swapper/021:40:240
24502991043,53cyclictest18161-21ssh23:25:122
24502991033,29cyclictest346-21runrttasks20:55:012
24502991014,36cyclictest4579-21fschecks_count22:10:232
24499999946,46cyclictest16605-21idleruntime-cro22:30:001
24499999946,46cyclictest16605-21idleruntime-cro22:30:001
24499999935,12cyclictest0-21swapper/123:50:001
2450299962,27cyclictest346-21runrttasks19:49:272
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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