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2024-05-27 - 17:31
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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 10 highest latencies:
System rackcslot3.osadl.org (updated Mon May 27, 2024 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811000rcu_preempt0-21swapper/100:34:321
81820rcu_preempt17812-21grep23:44:371
81790rcu_preempt19-21ksoftirqd/123:17:141
81730rcu_preempt19600-21sendmail_mailqu20:04:180
81720rcu_preempt7910-21diskmemload22:02:540
81710rcu_preempt0-21swapper/023:54:270
81710rcu_preempt0-21swapper/023:19:120
81710rcu_preempt0-21swapper/022:27:180
81710rcu_preempt0-21swapper/000:39:270
81700rcu_preempt31403-21ssh00:10:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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