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2025-11-30 - 18:50
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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 Sun Nov 30, 2025 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81970rcu_preempt20779-21ssh09:29:150
81760rcu_preempt0-21swapper/009:42:130
81750rcu_preempt0-21swapper/112:36:321
81720rcu_preempt7679-21cut09:00:061
81720rcu_preempt7679-21cut09:00:061
81710rcu_preempt21375-21if_wlan011:25:061
81710rcu_preempt0-21swapper/111:35:051
81700rcu_preempt9571-21diskmemload12:01:101
81700rcu_preempt19512-21sh10:24:060
81690rcu_preempt22826-21cpuspeed_turbos10:30:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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