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2026-05-08 - 05:34
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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 Fri May 08, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74508600,0irq/46-4a1000007203-1kworker/u3:219:01:510
7450970,0irq/46-4a10000019462-1kworker/u3:221:07:030
260932930,0sleep023213-1kworker/u3:221:25:330
150282937,0sleep015064-21aten_r4power_vo00:04:510
7450920,0irq/46-4a10000010289-21/usr/sbin/munin23:50:130
7350920,0irq/45-4a10000029962-21runrttasks21:37:460
7450910,0irq/46-4a1000008108-21/usr/sbin/munin23:45:000
7450910,0irq/46-4a1000001934-21nfs4_client20:15:210
7450910,0irq/46-4a10000014377-1kworker/u3:122:32:210
7450900,0irq/46-4a1000009193-21/usr/sbin/munin22:10:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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