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2026-06-10 - 05:43
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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 Jun 10, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89550730irq/17-ehci_hcd0-21swapper/119:08:491
81730rcu_preempt0-21swapper/021:48:420
89950700irq/17-ehci_hcd945-21usb-storage23:37:500
81700rcu_preempt20831-21diskmemload23:23:270
81700rcu_preempt0-21swapper/100:08:571
81700rcu_preempt0-21swapper/019:58:510
81700rcu_preempt0-21swapper/000:08:300
81690rcu_preempt2411-21ssh00:38:481
81690rcu_preempt0-21swapper/121:34:271
81690rcu_preempt0-21swapper/100:34:251
81680rcu_preempt20831-21diskmemload21:14:411
81680rcu_preempt0-21swapper/123:20:181
81680rcu_preempt0-21swapper/023:30:040
81680rcu_preempt0-21swapper/019:53:470
81680rcu_preempt0-21swapper/000:13:500
81670rcu_preempt19440-21kworker/0:119:08:540
81670rcu_preempt0-21swapper/119:53:521
81660rcu_preempt0-21swapper/122:16:141
81660rcu_preempt0-21swapper/100:02:121
81660rcu_preempt0-21swapper/021:18:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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