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2026-03-20 - 22:51
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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 Fri Mar 20, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89850830irq/17-ehci_hcd945-21usb-storage07:09:481
81820rcu_preempt7345-21df_inode09:19:361
81760rcu_preempt0-21swapper/112:29:371
81720rcu_preempt0-21swapper/011:54:470
89850710irq/17-ehci_hcd945-21usb-storage12:09:461
81710rcu_preempt0-21swapper/011:20:110
81710rcu_preempt0-21swapper/011:07:330
81710rcu_preempt0-21swapper/009:50:170
81700rcu_preempt21808-21diskmemload09:45:510
81700rcu_preempt21777-21sh10:48:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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