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2021-07-26 - 19:09

e5500, Linux 4.1.8-rt8+gbd51baffc04e (Profile)

Latency plot of system in rack #4, slot #4
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
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 rack4slot4.osadl.org (updated Mon Jul 26, 2021 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
46050430irq/122-QManpo0-210
46050430irq/122-QManpo0-210
71380rcu_preempt3131-21latency_hist09:46:390
71380rcu_preempt3131-21latency_hist09:46:390
71370rcu_preempt529-21cat12:26:382
71370rcu_preempt529-21cat12:26:382
71370rcu_preempt0-21swapper/312:06:593
71370rcu_preempt0-21swapper/312:06:593
71370rcu_preempt0-21swapper/109:56:511
71370rcu_preempt0-21swapper/109:56:511
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
71360rcu_preempt30126-21latency_hist12:11:370
71360rcu_preempt30126-21latency_hist12:11:370
71360rcu_preempt0-21swapper/010:16:350
71360rcu_preempt0-21swapper/010:16:350
71360rcu_preempt0-21swapper/009:01:510
71360rcu_preempt0-21swapper/009:01:510
46050360irq/122-QManpo12087-2107:20:570
46050360irq/122-QManpo12087-2107:20:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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