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2026-06-26 - 20:44
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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 26, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81780rcu_preempt0-21swapper/012:39:560
81750rcu_preempt0-21swapper/107:10:111
81720rcu_preempt28843-21ssh11:07:350
81720rcu_preempt0-21swapper/010:20:070
81710rcu_preempt0-21swapper/012:13:060
81700rcu_preempt0-21swapper/012:15:470
81700rcu_preempt0-21swapper/011:11:450
81700rcu_preempt0-21swapper/010:53:110
81700rcu_preempt0-21swapper/010:40:570
81700rcu_preempt0-21swapper/009:15:310
81690rcu_preempt0-21swapper/110:46:221
81690rcu_preempt0-21swapper/011:58:200
81680rcu_preempt8664-21fw_forwarded_lo12:35:090
81680rcu_preempt4381-21sshd09:17:131
81680rcu_preempt0-21swapper/110:02:101
81680rcu_preempt0-21swapper/107:50:121
81680rcu_preempt0-21swapper/010:01:280
81670rcu_preempt0-21swapper/112:32:401
81670rcu_preempt0-21swapper/109:45:231
81670rcu_preempt0-21swapper/109:27:451
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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