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2026-04-12 - 19:33
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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 Sun Apr 12, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
147650790irq/28-eth0-rx-181ktimersoftd/109:44:081
81770rcu_preempt2138-21snmpd09:59:411
81720rcu_preempt0-21swapper/010:15:480
81710rcu_preempt0-21swapper/012:33:100
81710rcu_preempt0-21swapper/010:30:400
81710rcu_preempt0-21swapper/008:58:430
81710rcu_preempt0-21swapper/007:25:450
81700rcu_preempt29254-21turbostat07:15:241
81700rcu_preempt0-21swapper/007:40:420
81670rcu_preempt15197-21df_abs10:55:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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