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2025-06-28 - 22:31
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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 Jun 28, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81760rcu_preempt29638-21sh11:41:421
81760rcu_preempt11756-21ssh10:14:241
81760rcu_preempt0-21swapper/109:50:401
81730rcu_preempt17495-21switchtime07:40:391
81720rcu_preempt4083-21munin-run11:55:131
81720rcu_preempt23285-21ssh10:34:531
81710rcu_preempt14751-21sh09:22:231
81710rcu_preempt13958-21rm11:15:211
81710rcu_preempt10755-21ls12:05:421
81700rcu_preempt14944-21ssh09:22:590
81700rcu_preempt12771-1kworker/1:0H09:43:071
81700rcu_preempt0-21swapper/111:30:291
81680rcu_preempt6716-21diskmemload09:56:270
81680rcu_preempt25683-21ssh11:35:321
81680rcu_preempt0-21swapper/109:16:461
81670rcu_preempt21848-21ssh11:28:510
81660rcu_preempt26601-21netstat12:35:361
81660rcu_preempt16618-21ssh10:22:010
81660rcu_preempt12399-21df10:15:301
81660rcu_preempt0-21swapper/112:26:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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