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2025-12-10 - 16:52
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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 Wed Dec 10, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502310,0irq/45-4a1000009298-21kworker/0:007:03:040
7450990,0irq/46-4a10000014034-21aten_r4power_vo11:47:580
7450980,0irq/46-4a10000027431-21runrttasks09:17:460
7450970,0irq/46-4a10000022283-21sshd09:02:450
360529713,0sleep03624-21df08:07:570
7450960,0irq/46-4a10000017381-21/usr/sbin/munin11:57:510
7450950,0irq/46-4a100000443-21snmpd10:19:110
7450950,0irq/46-4a10000016291-21awk07:12:350
7450950,0irq/46-4a10000011440-1kworker/u3:511:44:460
7450950,0irq/46-4a10000011218-21runrttasks11:39:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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