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2026-06-27 - 21:28
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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 27, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81860rcu_preempt0-21swapper/011:21:060
81790rcu_preempt9830-21ssh12:28:480
81750rcu_preempt19-21ksoftirqd/111:09:541
81740rcu_preempt0-21swapper/111:27:221
81730rcu_preempt0-21swapper/112:01:201
81730rcu_preempt0-21swapper/109:29:451
81720rcu_preempt32006-21ssh10:01:511
81720rcu_preempt19691-21munin-run09:39:571
81720rcu_preempt0-21swapper/107:15:141
81720rcu_preempt0-21swapper/008:25:160
81710rcu_preempt6924-21rm12:22:251
81710rcu_preempt0-21swapper/111:53:131
81710rcu_preempt0-21swapper/111:47:551
81710rcu_preempt0-21swapper/009:20:120
81710rcu_preempt0-21swapper/007:30:200
81700rcu_preempt9262-21if_eth110:20:171
81700rcu_preempt23833-21sh10:47:040
81700rcu_preempt19372-21munin-run07:59:571
81700rcu_preempt10715-21ssh10:23:020
81700rcu_preempt0-21swapper/111:00:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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