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2026-08-29 - 10:31
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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 Aug 29, 2026 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
289922377119,0sleep027691-21kworker/0:419:04:540
299029913044,0cyclictest28041-21/usr/sbin/munin22:14:240
299029912739,0cyclictest5700-21munin-node19:34:180
299029912731,0cyclictest11967-21runrttasks21:25:540
299029912647,0cyclictest7350irq/45-4a10000020:59:420
299029912542,0cyclictest7350irq/45-4a10000023:44:480
299029912530,0cyclictest10526-21runrttasks21:23:080
299029912452,0cyclictest7350irq/45-4a10000020:04:300
299029912441,0cyclictest0-21swapper21:48:140
299029912346,0cyclictest7350irq/45-4a10000022:59:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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