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2025-12-01 - 19:15
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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 Mon Dec 01, 2025 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81750rcu_preempt14290-21ls07:50:121
81750rcu_preempt14290-21ls07:50:121
81710rcu_preempt7436-21grep07:25:071
81710rcu_preempt0-21swapper/107:06:291
81700rcu_preempt15925-21df_abs09:35:011
81690rcu_preempt0-21swapper/112:24:471
81690rcu_preempt0-21swapper/010:00:050
81690rcu_preempt0-21swapper/009:20:120
81680rcu_preempt948-21diskmemload09:45:001
81680rcu_preempt12663-21sh12:22:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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