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2026-09-06 - 07:37
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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 Sep 06, 2026 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81970rcu_preempt7206-21ssh00:41:290
89950850irq/17-ehci_hcd0-21swapper/000:35:090
81770rcu_preempt0-21swapper/121:50:551
81760rcu_preempt0-21swapper/119:16:171
81730rcu_preempt22000-21ssh23:01:280
81720rcu_preempt1770-21diskmemload22:48:480
81720rcu_preempt1770-21diskmemload22:48:480
146650710irq/31-eth0-tx-0-21swapper/022:30:290
81700rcu_preempt18392-21ssh23:59:570
81700rcu_preempt0-21swapper/123:05:401
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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