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2026-05-11 - 11:55
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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 May 11, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81780rcu_preempt3431-21open_files19:06:201
81740rcu_preempt0-21swapper/023:41:080
81720rcu_preempt12167-21sh21:27:270
81720rcu_preempt0-21swapper/000:01:230
81710rcu_preempt1832-21diskmemload21:40:040
81710rcu_preempt0-21swapper/020:26:190
81700rcu_preempt18638-21sh21:39:461
81700rcu_preempt0-21swapper/023:35:030
81700rcu_preempt0-21swapper/023:25:370
81700rcu_preempt0-21swapper/022:52:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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