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2025-11-20 - 03:16
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack4slot3.osadl.org (updated Thu Nov 20, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
255149915514,130cyclictest12161-21munin-node23:53:260
255149915014,126cyclictest31685-21kernelversion19:54:580
255149915014,126cyclictest17084-21load20:48:360
255149914915,40cyclictest30012-21kernelversion21:28:380
255149914814,36cyclictest3533-21runrttasks21:04:550
255149914715,39cyclictest7446-21ls21:58:370
255149914514,38cyclictest1997-21munin-node21:43:150
255149914416,118cyclictest20729-21munin-node22:38:530
255149914414,39cyclictest17887-21sshd00:09:290
255149914414,38cyclictest28614-21seq21:23:470
255149914414,35cyclictest15446-21latency20:43:370
255149914315,39cyclictest3533-21runrttasks21:01:500
255149914314,119cyclictest12438-21munin-node22:13:420
255149914115,36cyclictest10150-21munin-node20:28:150
255149914014,33cyclictest18466-21seq00:13:150
255149914014,116cyclictest3584-21munin-node20:08:140
255149913914,37cyclictest3533-21runrttasks23:13:250
255149913914,116cyclictest15552-21latency22:23:360
255149913914,114cyclictest4347-21munin-node23:28:410
255149913814,114cyclictest647-21grep21:38:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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