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2024-11-22 - 17:22
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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 Fri Nov 22, 2024 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81790rcu_preempt13557-21diskmemload11:51:341
81760rcu_preempt16944-21diskmemload12:06:441
81750rcu_preempt29555-21munin-run08:11:201
81750rcu_preempt20115-21df09:26:351
81730rcu_preempt28291-21munin-run08:06:201
81730rcu_preempt11338-1kworker/1:1H12:46:041
81730rcu_preempt0-21swapper/107:11:591
81730rcu_preempt0-21swapper/007:11:440
89950700irq/17-ehci_hcd0-21swapper/012:40:150
81700rcu_preempt2215-21munin-run09:51:201
81700rcu_preempt0-21swapper/108:31:451
81690rcu_preempt30356-21ssh12:31:211
81690rcu_preempt20938-21rm10:23:401
81690rcu_preempt19-21ksoftirqd/110:06:461
81690rcu_preempt18780-21sh10:20:571
81690rcu_preempt0-21swapper/107:51:381
81680rcu_preempt0-21swapper/110:56:431
81680rcu_preempt0-21swapper/109:21:431
81670rcu_preempt9524-21mailstats08:56:451
81670rcu_preempt24144-21ssh09:32:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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