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2025-11-02 - 22:32
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackbslot6.osadl.org (updated Sun Nov 02, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1810121550,3sleep3632399cyclictest13:02:023
1773911060,4ptp4l401ktimersoftd/308:01:423
177391700,1ptp4l401ktimersoftd/312:30:083
177391700,1ptp4l401ktimersoftd/311:13:453
136412700,5sleep3632399cyclictest10:59:293
177391670,1ptp4l401ktimersoftd/311:04:063
177391670,1ptp4l401ktimersoftd/309:41:393
177391650,1ptp4l401ktimersoftd/312:51:053
61182604,45sleep00-21swapper/008:05:230
48222590,2sleep20-21swapper/211:27:382
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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