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2026-08-30 - 03:42
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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 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
2850699246216cyclictest3850-21munin-node0
2850699246215cyclictest28200-21ssh23:46:280
2850699245218cyclictest3366-21cut19:37:260
2850699245216cyclictest3532-21ssh00:19:400
2850699245215cyclictest22269-21sed20:58:500
2850699245213cyclictest24295-21ssh23:28:320
2850699244213cyclictest6480-21rm00:32:570
2850699244195cyclictest5111-21cat00:27:110
2850699244180cyclictest8427-21sh22:18:520
2850699244177cyclictest4798-21irqstats22:03:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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