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2026-06-24 - 10:38
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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 Jun 24, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39972107124sleep4000-21munin-run19:08:340
405899257231cyclictest10044-21latency_hist21:54:140
405899256225cyclictest14317-21ssh00:32:520
405899254187cyclictest13360-21cpu00:28:500
405899252222cyclictest23131-21diskmemload22:49:390
405899251186cyclictest27097-21cpuspeed20:48:540
405899251185cyclictest31786-21latency_hist21:09:160
405899249220cyclictest5618-21sh23:54:270
405899249218cyclictest14352-21cron19:53:340
405899248180cyclictest4208-21df_inode19:09:040
405899247219cyclictest11122-21cpu21:58:500
405899246218cyclictest29603-21runrttasks23:17:460
405899246216cyclictest30550-21ssh23:21:250
405899246216cyclictest2848-21ssh21:24:050
405899246180cyclictest19288-21perl20:14:210
405899245177cyclictest25434-21df_inode22:59:370
405899243220cyclictest28106-21ssh23:10:370
405899242218cyclictest32663-21sh21:12:510
405899242217cyclictest7526-21munin-node0
405899242215cyclictest4654-21ssh21:31:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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