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2026-08-30 - 13:52
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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 Sun Aug 30, 2026 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2850699264231cyclictest14957-21munin-node0
28021225619sleep28024-21timerandwakeup19:02:320
2850699254226cyclictest23682-21sleep21:06:440
2850699254186cyclictest11030-21munin-run20:11:390
2850699253225cyclictest31567-21ssh00:01:100
2850699252227cyclictest30745-21munin-node0
2850699252224cyclictest1983-21latency_hist21:52:240
2850699249222cyclictest2719-21lxpanel22:57:270
2850699247182cyclictest12376-21sshd22:36:460
2850699247179cyclictest18691-21nfs4_client23:03:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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