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2026-08-17 - 18:49
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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 Aug 17, 2026 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502790,0irq/46-4a1000007875-1kworker/u3:107:08:190
17337210010,0sleep017373-21timerandwakeup07:30:350
7450990,0irq/46-4a10000011958-21runrttasks12:00:400
7450980,0irq/46-4a10000028251-21sendmail-msp09:40:290
23032980,0sleep0789-1kworker/u3:008:22:070
7450960,0irq/46-4a1000003345-21runrttasks10:00:270
7450950,0irq/46-4a1000007757-21sendmail-msp08:40:450
7450950,0irq/46-4a1000003965-21runrttasks11:37:150
7450950,0irq/46-4a10000027787-21runrttasks09:36:060
7450950,0irq/46-4a10000021944-21if_err_eth012:30:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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