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2026-08-11 - 08:35
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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 Aug 11, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81880rcu_preempt12642-21ssh23:16:531
89950870irq/17-ehci_hcd945-21usb-storage20:30:481
81750rcu_preempt0-21swapper/119:16:251
81740rcu_preempt32422-21munin-run20:18:400
81710rcu_preempt21626-21ssh22:31:160
81710rcu_preempt18773-21ssh21:24:041
81710rcu_preempt15253-21diskmemload22:08:350
81710rcu_preempt0-21swapper/119:53:581
81710rcu_preempt0-21swapper/021:59:030
81710rcu_preempt0-21swapper/021:23:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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