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2025-11-30 - 03:26
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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 Sun Nov 30, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1773911070,4ptp4l401ktimersoftd/320:16:443
177391750,1ptp4l401ktimersoftd/323:09:383
184242660,2sleep10-21swapper/121:27:011
224872630,2sleep30-21swapper/323:47:183
181172634,10sleep10-21swapper/120:18:071
318602580,2sleep20-21swapper/222:43:092
177391580,1ptp4l401ktimersoftd/322:23:213
177391580,1ptp4l401ktimersoftd/322:23:213
162552584,43sleep00-21swapper/020:16:440
177391560,1ptp4l401ktimersoftd/323:43:203
300202540,2sleep20-21swapper/200:33:422
177391540,1ptp4l401ktimersoftd/323:53:163
170912520,6sleep217095-21irqrtprio20:17:022
128742510,1sleep10-21swapper/100:14:221
177391500,2ptp4l13962-21kworker/3:100:44:463
177391450,1ptp4l401ktimersoftd/322:33:403
177391450,1ptp4l401ktimersoftd/300:40:373
177391440,1ptp4l401ktimersoftd/321:47:273
177391430,1ptp4l401ktimersoftd/323:33:473
177391430,1ptp4l401ktimersoftd/322:28:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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