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2025-12-04 - 20:14
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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 rack7slot3.osadl.org (updated Thu Dec 04, 2025 12:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16492178821sleep1650-21munin-node0
244099257135cyclictest9623-21runrttasks09:57:520
244099256126cyclictest8154-21runrttasks07:29:350
244099255130cyclictest23829-21chrt11:01:290
244099254129cyclictest8098-21ssh09:51:490
244099251126cyclictest1903-21if_eth011:47:300
24409924990cyclictest9290-21sh09:57:030
244099249116cyclictest27255-21df11:16:490
244099248127cyclictest20339-21/usr/sbin/munin10:46:340
24409924687cyclictest20713-21vmstat08:23:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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