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2026-03-24 - 07:30
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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 Tue Mar 24, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502260,0irq/46-4a1000008807-1kworker/u3:119:04:210
100359912944,0cyclictest28802-21/usr/sbin/munin21:32:180
100359912339,0cyclictest24367-21latency_hist21:21:260
100359912331,0cyclictest2821-21memory20:17:070
100359912242,0cyclictest25810-21runrttasks21:24:540
100359912242,0cyclictest15340-21runrttasks20:53:170
100359912235,0cyclictest8833-21runrttasks20:36:000
100359912232,0cyclictest9862-21/usr/sbin/munin20:37:130
100359912143,0cyclictest16531-21/usr/sbin/munin00:07:110
100359912141,0cyclictest12404-21latency_hist22:21:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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