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2025-12-04 - 07:25
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rackcslot3.osadl.org (updated Thu Dec 04, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151950980irq/31-eth0-tx-0-21swapper/121:11:111
81780rcu_preempt25061-21ssh23:49:571
81780rcu_preempt12676-21diskstats22:25:001
81760rcu_preempt19303-21head21:35:101
81740rcu_preempt11326-21k10sensors21:20:111
81740rcu_preempt0-21swapper/121:17:071
81730rcu_preempt28323-1kworker/1:0H00:28:551
81730rcu_preempt19-21ksoftirqd/121:59:341
81710rcu_preempt31565-21ssh21:59:570
81710rcu_preempt0-21swapper/119:09:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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