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2025-12-16 - 13:49
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack7slot2.osadl.org (updated Tue Dec 16, 2025 00:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
92337999889,6cyclictest53-21kswapd023:50:090
92338999678,6cyclictest240620-21kworker/u4:2+events_unbound23:42:581
92337998984,3cyclictest200512-21kworker/u4:11+events_unbound22:47:470
92338998576,6cyclictest118040-21apt-get20:50:061
92337998074,4cyclictest53-21kswapd023:42:210
92337997728,37cyclictest0-21swapper/021:45:340
92338997646,27cyclictest315-21systemd-journal21:57:381
92338997538,33cyclictest110596-21aten2__20:20:161
92338997535,4cyclictest0-21swapper/123:05:101
9233899744,26cyclictest190705-21ssh22:35:231
92338997436,34cyclictest118183-21latency_hist20:50:001
92338997341,30cyclictest93230-21sendmail_mailqu19:10:361
92338997333,8cyclictest0-21swapper/123:10:221
92338997226,42cyclictest53-21kswapd023:45:191
92338997226,42cyclictest53-21kswapd023:45:181
92337997265,5cyclictest53-21kswapd023:49:320
92337997265,5cyclictest53-21kswapd023:49:320
92337997228,22cyclictest0-21swapper/022:55:320
92337997224,27cyclictest0-21swapper/000:20:280
92338997131,36cyclictest119362-21kworker/u4:8-rpciod21:15:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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