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2026-09-08 - 04:28
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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 20 highest latencies:
System rackcslot3.osadl.org (updated Tue Sep 08, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89950790irq/17-ehci_hcd24699-21ssh22:24:021
81760rcu_preempt26945-21ssh21:26:130
81760rcu_preempt19-21ksoftirqd/122:53:031
81750rcu_preempt0-21swapper/000:09:120
81740rcu_preempt31981-21munin-run21:36:020
81740rcu_preempt2827-21df19:56:160
81730rcu_preempt684-21ssh23:45:210
81720rcu_preempt3594-21if_eth122:46:210
81720rcu_preempt24064-21diskmemload23:26:260
81700rcu_preempt6331-21munin-run20:11:020
81700rcu_preempt19-21ksoftirqd/123:04:411
81700rcu_preempt15740-21uname22:06:210
81700rcu_preempt0-21swapper/023:56:030
81700rcu_preempt0-21swapper/023:15:000
81700rcu_preempt0-21swapper/019:41:210
81690rcu_preempt24734-21vmstat00:31:310
81690rcu_preempt15094-21sh23:09:030
81690rcu_preempt0-21swapper/021:43:450
81680rcu_preempt9469-21sh21:54:490
81670rcu_preempt25668-21ntp_states19:16:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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