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2025-11-26 - 10:02
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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 Nov 26, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502420,0irq/46-4a10000019081-1kworker/u3:119:05:060
211652970,0sleep07111-1kworker/u3:123:53:230
180162960,0sleep017153-1kworker/u3:022:08:440
7350950,0irq/45-4a10000014371-21runrttasks20:23:380
7450930,0irq/46-4a10000018001-21fw_packets20:34:180
7450920,0irq/46-4a100000407-21cron22:53:060
7450920,0irq/46-4a1000002980-21meminfo22:59:370
7450920,0irq/46-4a10000021707-21seq19:09:180
7450920,0irq/46-4a10000020241-21grep20:39:130
21061999270,0cyclictest0-21swapper21:43:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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