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2026-05-10 - 13:15
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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 Sun May 10, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81740rcu_preempt28682-21ssh21:15:271
81720rcu_preempt8576-21ssh21:36:121
81720rcu_preempt21602-21ssh22:58:570
81710rcu_preempt20207-21sh23:55:361
81710rcu_preempt18458-21sh21:55:101
81710rcu_preempt0-21swapper/023:51:120
81710rcu_preempt0-21swapper/022:16:190
81710rcu_preempt0-21swapper/019:46:070
81700rcu_preempt25883-21diskmemload22:13:481
81700rcu_preempt25762-21sh22:06:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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