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2024-04-20 - 07:32
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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 Apr 20, 2024 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81800rcu_preempt0-21swapper/019:18:400
81760rcu_preempt0-21swapper/119:22:541
81750rcu_preempt20901-21ssh22:38:560
81730rcu_preempt3235-21fw_forwarded_lo22:03:451
81730rcu_preempt3210-21diskstats22:03:440
81730rcu_preempt31831-21munin-run23:03:310
81710rcu_preempt6843-1kworker/1:0H00:21:461
81710rcu_preempt25058-21sh23:54:301
81710rcu_preempt23329-21switchtime22:43:581
81710rcu_preempt0-21swapper/123:33:551
81710rcu_preempt0-21swapper/122:40:091
81710rcu_preempt0-21swapper/023:19:530
81710rcu_preempt0-21swapper/021:03:590
81710rcu_preempt0-21swapper/020:38:590
81700rcu_preempt2553-21ssh00:15:411
81700rcu_preempt25260-21uname22:48:510
81700rcu_preempt0-21swapper/122:53:451
81700rcu_preempt0-21swapper/120:20:111
81700rcu_preempt0-21swapper/120:13:381
81700rcu_preempt0-21swapper/100:11:071
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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