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2026-04-10 - 01:14
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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 rack4slot1.osadl.org (updated Thu Apr 09, 2026 09:11:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1803824390,1sleep012-21ksoftirqd/007:12:200
1803824390,1sleep012-21ksoftirqd/007:12:200
1586621070,2sleep20-21swapper/208:32:132
1775121050,4sleep10-21swapper/107:12:171
1775121050,4sleep10-21swapper/107:12:171
57521010,2sleep20-21swapper/207:52:132
57521010,2sleep20-21swapper/207:52:132
277242960,4chrt0-21swapper/007:38:280
277242960,4chrt0-21swapper/007:38:280
218092890,2chrt20634-21/usr/sbin/munin07:22:152
218092890,2chrt20634-21/usr/sbin/munin07:22:152
219112550,3sleep10-21swapper/108:47:151
219112550,3sleep10-21swapper/108:47:151
269952530,2chrt0-21swapper/309:02:083
269952530,2chrt0-21swapper/309:02:083
4732460,2sleep00-21swapper/007:52:110
4732460,2sleep00-21swapper/007:52:110
173362450,2sleep10-21swapper/108:37:061
173362450,2sleep10-21swapper/108:37:061
204782430,2sleep20-21swapper/208:46:562
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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