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2025-12-11 - 04:53
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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 Thu Dec 11, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1773911820,5ptp4l401ktimersoftd/320:24:513
1195221600,4sleep099699cyclictest01:10:490
1276821410,4sleep099699cyclictest20:48:130
257482650,6sleep025752-21latency_hist23:02:490
100852630,4sleep099699cyclictest23:57:010
177391580,1ptp4l401ktimersoftd/323:47:453
177391580,1ptp4l401ktimersoftd/323:34:373
272752560,5sleep3101699cyclictest00:15:473
996995528,3cyclictest9-21ksoftirqd/023:03:010
6952554,40sleep00-21swapper/020:25:160
6872554,10sleep20-21swapper/220:25:102
177391550,1ptp4l401ktimersoftd/320:43:163
177391520,2ptp4l2016-21kworker/3:023:51:493
161792520,1sleep30-21swapper/322:51:563
996995023,7cyclictest9-21ksoftirqd/000:17:520
996995020,6cyclictest9-21ksoftirqd/000:32:520
1001995038,6cyclictest25-21ksoftirqd/122:38:031
996994937,10cyclictest9-21ksoftirqd/001:52:590
996994925,4cyclictest9-21ksoftirqd/022:40:230
996994921,4cyclictest9-21ksoftirqd/023:33:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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