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2025-12-31 - 18:14
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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 20 highest latencies:
System rackbslot6.osadl.org (updated Wed Dec 31, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2663221650,5sleep12465299cyclictest11:08:321
1165021640,4sleep22465899cyclictest10:53:042
1068911040,4ptp4l401ktimersoftd/307:16:093
90222790,5sleep02464699cyclictest10:50:490
213452760,2sleep20-21swapper/212:10:162
266992750,2sleep30-21swapper/309:28:583
106891720,1ptp4l401ktimersoftd/309:50:243
91052710,2sleep00-21swapper/011:24:010
106891700,1ptp4l401ktimersoftd/310:56:573
282362650,5sleep22465899cyclictest12:50:272
101492640,1sleep10-21swapper/110:17:381
24662995847,5cyclictest41-21ksoftirqd/312:10:463
164102580,2sleep30-21swapper/309:15:493
107652580,2sleep20-21swapper/210:18:432
106891540,7ptp4l401ktimersoftd/307:32:553
106891540,1ptp4l401ktimersoftd/308:40:023
91532520,1sleep20-21swapper/209:00:472
24662995139,6cyclictest41-21ksoftirqd/310:40:473
2465899504,7cyclictest2485-21grep11:16:042
2465899503,8cyclictest22076-21grep09:56:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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