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2024-07-16 - 08:41
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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 rack4slot1.osadl.org (updated Tue Jul 16, 2024 03:00:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
362299341,26cyclictest11936-21latency_hist03:04:020
3622993226,3cyclictest28603-1kworker/0:2H02:49:300
3622993226,3cyclictest28603-1kworker/0:2H02:49:300
362299311,8cyclictest5457-21cat02:44:010
362299311,8cyclictest5457-21cat02:44:010
362499279,3cyclictest131rcu_preempt02:44:212
362499279,3cyclictest131rcu_preempt02:44:212
3622992721,3cyclictest28603-1kworker/0:2H03:03:530
3624992514,9cyclictest27-21ksoftirqd/202:54:042
3623992412,3cyclictest21-21ksoftirqd/102:39:011
362299242,4cyclictest0-21swapper/002:54:260
362399236,6cyclictest73-21kswapd002:59:241
362399236,6cyclictest73-21kswapd002:59:241
362499227,3cyclictest131rcu_preempt02:53:592
362499227,3cyclictest131rcu_preempt02:53:592
362399221,5cyclictest131rcu_preempt02:39:211
362399221,5cyclictest131rcu_preempt02:39:211
362399221,16cyclictest5204-21cron02:44:031
362399221,16cyclictest5204-21cron02:44:031
362299221,17cyclictest5704-21fschecks_time02:44:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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