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2026-06-23 - 12:08
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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 Jun 23, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81950rcu_preempt21843-21ssh23:52:501
89550790irq/17-ehci_hcd111rcuc/023:45:420
89950720irq/17-ehci_hcd171rcuc/119:09:591
81720rcu_preempt24556-21rm23:57:521
81720rcu_preempt11288-21ssh22:31:260
81720rcu_preempt11288-21ssh22:31:260
81710rcu_preempt8939-21sh23:28:540
81710rcu_preempt7495-21ssh21:24:520
81710rcu_preempt0-21swapper/122:40:021
81710rcu_preempt0-21swapper/100:02:381
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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