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2025-12-15 - 10:51
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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 15, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811020rcu_preempt3218-21ssh21:13:551
811010rcu_preempt1901-21ssh23:28:541
81980rcu_preempt0-21swapper/123:37:461
81940rcu_preempt6358-21ssh22:48:581
81940rcu_preempt21592-21ssh22:24:071
81940rcu_preempt0-21swapper/121:43:541
81920rcu_preempt12458-21ssh23:43:331
81910rcu_preempt0-21swapper/123:49:071
81890rcu_preempt13130-21ssh22:13:271
81880rcu_preempt0-21swapper/122:38:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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