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2025-11-26 - 03:16
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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 Wed Nov 26, 2025 00:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14031258722sleep14032-21timerandwakeup19:02:210
1448199274245cyclictest701-21munin-node0
1448199268240cyclictest8060-21ssh23:19:450
1448199266237cyclictest4211-21munin-node0
1448199266203cyclictest15950-21if_err_eth021:32:400
1448199265240cyclictest29482-1kworker/0:1H21:43:340
1448199261236cyclictest20117-21sort00:12:250
1448199261229cyclictest10311-21ssh23:29:290
144819926092cyclictest5306-21idleruntime23:07:380
1448199260234cyclictest29482-1kworker/0:1H22:59:160
1448199258229cyclictest29115-21ssh22:30:570
144819925772cyclictest25471-21ssh22:14:290
144819925671cyclictest5161-21munin-node0
1448199255223cyclictest23765-21memory00:28:080
1448199254226cyclictest8492-21runrttasks21:00:150
1448199254226cyclictest25267-21ssh00:35:070
1448199254225cyclictest24664-21munin-node0
1448199254225cyclictest19831-21sh21:49:480
144819925393cyclictest18030-21cpu19:21:390
1448199253226cyclictest23522-21ssh22:06:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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