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2026-06-05 - 08:50
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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 20 highest latencies:
System rackcslot3.osadl.org (updated Fri Jun 05, 2026 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
146250960irq/28-eth0-rx-0-21swapper/022:43:480
81740rcu_preempt25574-21ssh22:33:480
81720rcu_preempt12501-21ssh00:09:540
81710rcu_preempt0-21swapper/023:43:200
81710rcu_preempt0-21swapper/023:10:370
81710rcu_preempt0-21swapper/020:33:210
81700rcu_preempt25445-21sh00:36:181
81700rcu_preempt0-21swapper/121:33:171
81700rcu_preempt0-21swapper/022:42:560
81690rcu_preempt23637-21sh22:31:421
81690rcu_preempt22434-21sh00:30:270
81690rcu_preempt0-21swapper/122:35:101
81690rcu_preempt0-21swapper/100:19:271
81690rcu_preempt0-21swapper/023:22:440
81680rcu_preempt6408-21ssh23:58:270
81680rcu_preempt11409-1kworker/0:2H22:30:480
81680rcu_preempt0-21swapper/122:26:271
81680rcu_preempt0-21swapper/100:13:261
81670rcu_preempt28700-21sh21:40:421
81670rcu_preempt23512-21ssh23:30:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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