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2026-05-11 - 11:13
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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 20 highest latencies:
System rack7slot3.osadl.org (updated Mon May 11, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24559233419sleep24561-21kernelversion19:05:200
2538599264239cyclictest14614-21munin-run23:04:580
2538599261235cyclictest2980-21gmain21:26:010
2538599261231cyclictest2935-21runrttasks20:19:530
2538599260232cyclictest13822-21netwatch20:40:090
2538599260231cyclictest3972-21ntp_states19:56:350
2538599259234cyclictest26492-21df21:35:260
2538599259234cyclictest16672-21ssh23:13:290
253859925869cyclictest22044-21chrt21:15:410
2538599257233cyclictest7805-21cpu22:35:070
2538599257230cyclictest18796-21ssh23:22:280
253859925692cyclictest6600-21munin-run22:30:010
253859925677cyclictest15556-21runrttasks23:08:370
2538599256229cyclictest2300-21ssh00:32:390
2538599255224cyclictest16155-21grep20:50:120
253859925469cyclictest28742-21munin-node0
2538599254225cyclictest7782-21runrttasks20:12:370
2538599254223cyclictest24682-21ssh23:48:400
2538599253227cyclictest23286-21ssh21:21:020
253859925290cyclictest22183-21sh23:37:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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