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2025-09-15 - 16:23
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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 Mon Sep 15, 2025 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3672284425sleep3674-21vmstat07:04:260
404399274254cyclictest207812sleep10:44:070
404399268138cyclictest25326-21sh11:04:210
404399263131cyclictest23355-21runrttasks08:30:380
40439925793cyclictest18408-21sshd08:09:520
404399257131cyclictest17567-21runrttasks10:29:300
40439925696cyclictest8516-21munin-node0
404399256122cyclictest9782-21ping12:19:510
404399255130cyclictest29353-21ssh11:22:050
404399254130cyclictest6901-21rm09:41:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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