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2025-12-10 - 09:37
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack7slot3.osadl.org (updated Wed Dec 10, 2025 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2202799261232cyclictest12328-21df23:10:370
2202799255226cyclictest28078-21irqstats21:56:390
2202799254191cyclictest53-21mmcqd/019:15:210
2202799251226cyclictest12862-21ntp_kernel_pll_23:12:120
2202799251223cyclictest8552-21ssh22:53:310
2202799250218cyclictest6473-21sshd22:44:410
2202799250198cyclictest18610-21date21:15:580
2202799249223cyclictest28926-21ssh00:23:520
2202799249219cyclictest24363-21cpu19:20:170
2202799249219cyclictest23284-21ssh23:58:450
2202799248219cyclictest3421-21cron20:10:010
2202799248218cyclictest3764-21ssh22:32:060
2202799247220cyclictest2319-21ssh22:26:300
2202799247220cyclictest1232-21runrttasks22:21:350
2202799247217cyclictest30442-21memory22:06:570
2202799247215cyclictest5190-21ntp_states20:16:460
2202799246221cyclictest27052-21latency_hist00:15:460
2202799246220cyclictest27969-21latency_hist00:20:540
2202799246218cyclictest2932-21runrttasks23:42:450
2202799246212cyclictest17193-21irqstats23:31:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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