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2026-01-01 - 23:21
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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
Characteristics of the 10 highest latencies:
System rack6slot6 (updated Thu Jan 01, 2026 12:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1013999209883105395,104487cyclictest0-21swapper07:50:070
101399910762353406,54118cyclictest1994-21sendmail09:48:000
101399910742753433,53897cyclictest1907-21snmpd07:42:340
101399910675753477,53280cyclictest0-21swapper08:37:400
101399910668253462,53174cyclictest2099-21runrttasks07:47:360
101399910667653476,53136cyclictest9-21ksoftirqd/009:20:530
101399910659753445,53152cyclictest0-21swapper09:11:000
101399910655653474,53019cyclictest9-21ksoftirqd/008:03:100
101399910655053408,53142cyclictest0-21swapper10:13:580
101399910652553409,53116cyclictest0-21swapper07:39:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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