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2026-07-30 - 20:07
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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 Thu Jul 30, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501860,0irq/46-4a1000004377-21runrttasks07:07:070
4562999662,0cyclictest0-21swapper07:09:100
4562999560,0cyclictest0-21swapper08:03:480
148932950,0chrt13242-1kworker/u3:112:19:270
7450940,0irq/46-4a10000031336-21fw_forwarded_lo11:33:470
7450940,0irq/46-4a10000030495-21runrttasks09:56:040
7450940,0irq/46-4a10000025857-21wget11:18:280
7450940,0irq/46-4a10000019513-21seq12:33:530
7450940,0irq/46-4a10000017222-21/usr/sbin/munin07:44:120
7450940,0irq/46-4a1000001353-21runrttasks11:40:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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