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2024-03-02 - 18:01
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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 Mar 02, 2024 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81780rcu_preempt11154-1kworker/1:2H12:00:271
81760rcu_preempt12726-21munin-run12:41:361
81750rcu_preempt7492-21ssh11:27:031
81750rcu_preempt5209-21munin-run12:26:361
81750rcu_preempt31503-21munin-run11:11:361
81750rcu_preempt24663-1kworker/1:1H08:59:401
81750rcu_preempt24239-21munin-run08:31:351
81750rcu_preempt15246-21munin-run12:46:361
81750rcu_preempt0-21swapper/110:56:361
81740rcu_preempt8500-21missed_timers12:32:101
81740rcu_preempt11154-1kworker/1:2H12:08:311
81740rcu_preempt0-21swapper/110:38:301
81730rcu_preempt28263-21http_loadtime12:07:190
81730rcu_preempt0-21swapper/111:33:321
81730rcu_preempt0-21swapper/109:53:241
81730rcu_preempt0-21swapper/109:33:521
81720rcu_preempt3229-21diskmemload12:44:440
81720rcu_preempt27233-21tr11:02:071
81720rcu_preempt21472-21rm11:52:341
81720rcu_preempt0-21swapper/108:48:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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