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2026-09-05 - 02:21
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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 Fri Sep 04, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
322352200522sleep32234-21ntpq07:02:090
44799262208cyclictest8515-21sshd12:22:090
44799259196cyclictest22041-21ssh10:58:170
44799254229cyclictest5999-21chrt09:49:530
44799254229cyclictest12585-21grep07:57:460
44799254225cyclictest31658-21latency_hist11:42:020
44799253227cyclictest19389-21grep10:47:230
44799253224cyclictest8380-21ssh10:00:000
44799252222cyclictest19751-21munin-node0
44799251187cyclictest11609-21memory10:13:330
44799250224cyclictest2719-21lxpanel09:21:440
44799250184cyclictest2719-21lxpanel11:52:070
44799249224cyclictest7368-1kworker/0:2H10:19:270
44799249200cyclictest5480-21irqstats12:08:020
44799248222cyclictest16739-21latency_hist08:16:470
44799248221cyclictest522-21ssh11:47:140
44799248218cyclictest17152-21cat08:17:420
44799248180cyclictest14864-21perl10:27:490
44799247222cyclictest2702-21sendmail-msp11:56:330
44799247219cyclictest32322-21ntp_states09:24:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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