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2026-04-27 - 15:05
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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 Mon Apr 27, 2026 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
171252128622sleep17124-21munin-run07:06:130
1717899265237cyclictest27783-21munin-node0
1717899261234cyclictest29056-21munin-run10:16:180
1717899258226cyclictest21797-21chrt07:26:330
171789925672cyclictest31549-21munin-run12:36:320
1717899256228cyclictest17763-21ssh11:40:490
1717899255229cyclictest15914-21chrt11:32:550
1717899255227cyclictest2834-21snmpd09:32:310
171789925467cyclictest21529-21ssh11:56:120
1717899254231cyclictest2314-21awk08:22:360
1717899254226cyclictest26796-21df_inode10:06:540
1717899254226cyclictest12346-21fschecks_time09:07:320
1717899253224cyclictest31064-21ssh10:23:350
1717899252227cyclictest554-21cpu08:16:260
1717899252227cyclictest17020-21latency_hist09:26:560
1717899252220cyclictest20154-21ssh09:39:010
1717899252190cyclictest7903-21munin-node0
1717899251226cyclictest19910-21mailstats11:48:540
1717899251225cyclictest23164-21ssh09:52:080
1717899251222cyclictest5459-21sh10:50:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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