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2025-11-07 - 21:34
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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 rack9slot4.osadl.org (updated Fri Nov 07, 2025 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9617112868sleep0-21swapper/115:33:381
9541110965sleep0-21swapper/015:33:300
98439910134cyclictest0-21swapper/019:33:450
984399998cyclictest0-21swapper/019:26:100
9843999658cyclictest0-21swapper/017:54:290
9843999570cyclictest0-21swapper/018:02:460
9852999451cyclictest4967-21/usr/sbin/munin16:59:351
9852999352cyclictest6679-21/usr/sbin/munin19:09:171
9852999351cyclictest11362-21/usr/sbin/munin17:19:391
9852999252cyclictest27033-21/usr/sbin/munin17:54:141
9852999252cyclictest16708-21/usr/sbin/munin20:19:461
9852999250cyclictest1805-21/usr/sbin/munin20:49:421
984399928cyclictest0-21swapper/019:14:090
9852999152cyclictest29513-21/usr/sbin/munin16:34:311
9852999152cyclictest17403-21ssh17:37:591
9852999152cyclictest14229-21/usr/sbin/munin17:29:341
9852999151cyclictest13260-21/usr/sbin/munin18:24:381
9852999151cyclictest13240-21irqstats20:14:321
984399918cyclictest0-21swapper/020:14:350
984399918cyclictest0-21swapper/019:55:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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