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2025-12-06 - 03:59
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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 10 highest latencies:
System rack4slot3.osadl.org (updated Sat Dec 06, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
135179915515,130cyclictest18964-21munin-node19:28:470
135179915115,126cyclictest8143-21grep22:14:050
135179915114,127cyclictest921-21seq20:13:370
135179914715,121cyclictest9141-21forks22:18:350
135179914615,122cyclictest18097-21cat00:24:050
135179914615,121cyclictest14099-21needreboot19:13:480
135179914514,121cyclictest31961-21kernelversion21:48:430
135179914514,121cyclictest19223-21iostat_ios00:28:430
135179914414,120cyclictest27066-21fschecks_time23:13:320
135179914314,35cyclictest31644-21munin-node23:28:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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