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2025-12-10 - 00:10
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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 Tue Dec 09, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1773911820,5ptp4l401ktimersoftd/308:25:563
193342870,2sleep10-21swapper/109:56:581
177391740,10ptp4l401ktimersoftd/311:15:073
168742680,4sleep0101ktimersoftd/012:03:430
177391620,10ptp4l401ktimersoftd/312:04:173
245392610,5sleep2778599cyclictest10:54:522
107762570,4sleep310726-21ssh10:37:183
107412570,1sleep00-21swapper/012:33:340
76172554,39sleep20-21swapper/208:26:232
75982554,40sleep00-21swapper/008:26:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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