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2026-04-16 - 09:18
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack4slot3.osadl.org (updated Thu Apr 16, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
295609915615,68cyclictest4153-21munin-node21:17:290
295609915315,69cyclictest23421-21munin-node22:17:210
295609915014,74cyclictest23544-21entropy23:57:260
295609914814,68cyclictest9355-21proc_pri21:32:510
295609914514,70cyclictest3712-21munin-node19:37:190
295609914314,67cyclictest26641-21cpu22:27:180
295609914215,65cyclictest6550-21runrttasks21:24:010
295609914214,64cyclictest3476-21runrttasks22:54:560
295609914214,63cyclictest15026-21latency_hist21:52:050
295609914114,69cyclictest11061-21munin-node19:57:590
295609914014,65cyclictest22618-21timerwakeupswit23:53:000
295609913914,65cyclictest16866-21wget23:37:170
295609913815,64cyclictest27006-21iostat_ios00:07:340
295609913314,67cyclictest20712-21munin-node23:47:440
251421170,4sleep02515-21ls19:32:380
1124421050,4sleep011245-21grep21:38:030
2176821000,4sleep021769-21entropy20:32:250
2926729915,17sleep03321-21lldpd19:15:370
29560999614,72cyclictest12025-21chrt20:02:220
29560999514,72cyclictest6655-21chrt23:04:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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