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2026-07-24 - 20:00
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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 Jul 24, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811080rcu_preempt23201-21ssh12:37:041
81830rcu_preempt0-21swapper/109:44:521
81770rcu_preempt11577-21memory07:12:330
81770rcu_preempt10142-21diskmemload12:29:181
81760rcu_preempt21178-21ntp_states11:32:381
81760rcu_preempt19-21ksoftirqd/111:12:241
81760rcu_preempt10142-21diskmemload11:29:481
81750rcu_preempt2192-21snmpd10:12:151
89950740irq/17-ehci_hcd111rcuc/012:15:130
81740rcu_preempt5090-21munin-run08:57:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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