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2025-05-21 - 13:40
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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 Wed May 21, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151050760irq/28-eth0-rx-9573-21kworker/1:119:13:481
81750rcu_preempt17490-21df_abs19:44:551
81710rcu_preempt26833-21ssh21:49:190
81710rcu_preempt26833-21ssh21:49:190
81710rcu_preempt14846-21sh21:25:491
81710rcu_preempt0-21swapper/122:14:221
81710rcu_preempt0-21swapper/100:20:051
81710rcu_preempt0-21swapper/023:14:570
81710rcu_preempt0-21swapper/022:09:310
81710rcu_preempt0-21swapper/019:49:580
81700rcu_preempt21950-21fw_conntrack21:39:581
81700rcu_preempt0-21swapper/022:34:090
81700rcu_preempt0-21swapper/022:09:450
81700rcu_preempt0-21swapper/021:24:510
81700rcu_preempt0-21swapper/021:23:460
81690rcu_preempt23378-21ssh22:40:590
81690rcu_preempt0-21swapper/020:59:550
81690rcu_preempt0-21swapper/000:05:080
81680rcu_preempt30030-21ssh23:54:561
81680rcu_preempt19459-21ssh23:34:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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