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2026-05-11 - 05:33
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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 10 highest latencies:
System rack4slot2.osadl.org (updated Mon May 11, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501970,0irq/46-4a10000024828-21runrttasks19:02:550
49962970,0sleep04909-1kworker/u3:121:13:250
7450960,0irq/46-4a1000007506-21irqstats19:45:070
7450940,0irq/46-4a10000017245-21/usr/sbin/munin20:14:400
7450930,0irq/46-4a1000007297-21seq22:54:520
7450930,0irq/46-4a10000031670-21/usr/sbin/munin22:30:210
7450920,0irq/46-4a1000005819-21/usr/sbin/munin21:15:070
7450920,0irq/46-4a10000031377-21fw_packets20:55:040
7450920,0irq/46-4a10000029113-21runrttasks23:59:320
7450920,0irq/46-4a10000029013-1kworker/u3:019:21:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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