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2026-03-17 - 15:15
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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 Tue Mar 17, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81780rcu_preempt0-21swapper/107:11:371
147950760irq/31-eth0-tx-41ktimersoftd/010:04:540
81720rcu_preempt20601-21sh11:40:020
81710rcu_preempt23819-21sh11:46:470
81710rcu_preempt19727-21ssh11:39:321
81710rcu_preempt0-21swapper/011:14:150
147950710irq/31-eth0-tx-181ktimersoftd/112:21:201
89050700irq/17-ehci_hcd945-21usb-storage09:05:340
81700rcu_preempt7282-21diskmemload11:08:230
81690rcu_preempt6442-1kworker/0:2H10:30:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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