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2025-12-31 - 02:55
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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 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911830,5ptp4l401ktimersoftd/319:18:333
1248321650,3sleep2717999cyclictest22:05:372
1248321650,3sleep2717999cyclictest22:05:372
1189421630,5sleep0716799cyclictest22:39:160
1807121600,4sleep2717999cyclictest22:10:472
752021470,3sleep1717499cyclictest23:40:471
106891970,1ptp4l401ktimersoftd/323:19:323
106891750,1ptp4l401ktimersoftd/322:07:213
106891750,1ptp4l401ktimersoftd/322:07:213
106891740,1ptp4l401ktimersoftd/322:50:233
311152710,3sleep0716799cyclictest23:31:510
63762700,2sleep10-21swapper/123:06:031
128162680,5sleep0716799cyclictest21:32:070
69032654,10sleep00-21swapper/019:18:350
106891650,1ptp4l401ktimersoftd/321:27:273
7174996149,7cyclictest25-21ksoftirqd/122:45:281
7174995947,6cyclictest25-21ksoftirqd/100:00:311
106891580,1ptp4l401ktimersoftd/322:32:243
106891570,1ptp4l401ktimersoftd/321:34:303
106891570,1ptp4l401ktimersoftd/300:45:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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