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2024-07-27 - 07:41
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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 Sat Jul 27, 2024 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81980rcu_preempt0-21swapper/121:49:461
81760rcu_preempt24439-21ssh23:54:110
81740rcu_preempt31497-21ps00:06:520
81720rcu_preempt0-21swapper/021:56:360
81710rcu_preempt0-21swapper/022:41:040
81710rcu_preempt0-21swapper/020:31:470
81710rcu_preempt0-21swapper/000:01:540
89550700irq/17-ehci_hcd12066-21ssh00:32:390
81700rcu_preempt6801-21apt-get23:21:390
81700rcu_preempt0-21swapper/020:41:520
81690rcu_preempt6159-21sh22:17:430
81690rcu_preempt0-21swapper/122:17:421
81690rcu_preempt0-21swapper/119:21:391
81690rcu_preempt0-21swapper/023:35:370
81690rcu_preempt0-21swapper/022:35:100
81690rcu_preempt0-21swapper/021:32:200
81680rcu_preempt1807-21diskmemload23:37:011
81680rcu_preempt1497-21sh22:10:310
81680rcu_preempt0-21swapper/122:07:001
81680rcu_preempt0-21swapper/122:05:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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