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2025-12-03 - 04:09
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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 03, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1773911320,6ptp4l401ktimersoftd/320:18:363
177391700,1ptp4l401ktimersoftd/322:09:343
30612640,2sleep20-21swapper/201:15:012
30612640,2sleep20-21swapper/201:15:012
177391640,1ptp4l401ktimersoftd/323:52:523
42082630,3sleep0111rcuc/022:58:440
177391610,1ptp4l401ktimersoftd/323:42:543
263952600,3sleep20-21swapper/222:48:382
150702600,2sleep10-21swapper/123:44:021
78312590,2sleep20-21swapper/201:21:032
273992570,1sleep10-21swapper/122:08:231
177391570,1ptp4l401ktimersoftd/323:59:113
169132570,2sleep00-21swapper/022:38:410
177391560,1ptp4l401ktimersoftd/323:47:333
177391560,1ptp4l401ktimersoftd/322:36:013
177391560,1ptp4l401ktimersoftd/300:12:133
177391530,2ptp4l3227-21kworker/3:022:32:263
177391490,1ptp4l401ktimersoftd/300:24:183
177391480,2ptp4l15801-21kworker/3:001:16:143
177391480,2ptp4l15801-21kworker/3:001:16:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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