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2026-06-11 - 04:40
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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 10 highest latencies:
System rackcslot4.osadl.org (updated Thu Jun 11, 2026 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29157132264188,25sleep00-21swapper/019:07:000
29158382263221,28sleep10-21swapper/119:08:231
291614699707,27cyclictest3090221-40gzip00:00:011
291614699678,30cyclictest3061955-21/usr/sbin/munin23:20:221
29292812660,6sleep12929284-21needreboot19:40:211
291614699620,29cyclictest3115685-21apt-config00:35:011
291614699611,27cyclictest3067874-21/usr/sbin/munin23:30:011
179699610,21rtkit-daemon1795-21rtkit-daemon19:53:051
291614699601,41cyclictest2959711-21apt-get21:00:081
30524892590,3sleep10-21swapper/123:09:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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