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2026-07-03 - 03:16
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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 Jul 03, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811030rcu_preempt19-21ksoftirqd/123:25:361
81750rcu_preempt9219-21ssh00:00:520
81710rcu_preempt27684-21apt-get22:20:370
81710rcu_preempt0-21swapper/023:35:460
81710rcu_preempt0-21swapper/021:55:460
81710rcu_preempt0-21swapper/021:40:420
81700rcu_preempt0-21swapper/119:40:471
81700rcu_preempt0-21swapper/023:55:520
81690rcu_preempt14248-21munin-run19:50:240
81690rcu_preempt0-21swapper/023:25:040
81690rcu_preempt0-21swapper/021:45:510
81680rcu_preempt30785-21sh00:41:440
81680rcu_preempt27850-1kworker/0:1H23:53:340
81670rcu_preempt2192-21snmpd19:12:591
81670rcu_preempt0-21swapper/100:27:551
81670rcu_preempt0-21swapper/023:18:330
81670rcu_preempt0-21swapper/022:58:570
81660rcu_preempt0-21swapper/020:28:150
81650rcu_preempt0-21swapper/121:51:441
81650rcu_preempt0-21swapper/121:33:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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