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2025-08-21 - 21:25
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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 Thu Aug 21, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81870rcu_preempt0-21swapper/007:52:520
81850rcu_preempt3-21ksoftirqd/010:15:160
81830rcu_preempt19-21ksoftirqd/109:32:431
81780rcu_preempt0-21swapper/112:40:541
81750rcu_preempt5604-21if_eth009:42:480
81740rcu_preempt25998-21sh09:21:531
81740rcu_preempt16012-21latency_hist11:02:291
81730rcu_preempt19993-21rm10:08:291
81720rcu_preempt0-21swapper/007:47:550
81710rcu_preempt13774-21diskstats10:57:451
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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