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2026-06-06 - 17:24
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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 Sat Jun 06, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502120,0irq/45-4a1000006068-21kworker/0:418:58:390
7450950,0irq/46-4a1000009554-21runrttasks23:48:510
7450950,0irq/46-4a1000007977-21cut22:08:590
7450950,0irq/46-4a1000007569-21/usr/sbin/munin20:33:520
7450950,0irq/46-4a10000028667-21meminfo21:34:100
7450940,0irq/46-4a10000026583-21runrttasks19:53:470
7450940,0irq/46-4a10000015066-21ntpq22:29:170
7450940,0irq/46-4a10000013510-21which22:24:220
7450940,0irq/46-4a10000011470-21if_eth023:54:020
7450930,0irq/46-4a1000006296-21seq23:39:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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