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2025-12-03 - 22:57
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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 rackeslot4.osadl.org (updated Wed Dec 03, 2025 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31813199390,29cyclictest0-21swapper/011:35:340
31813199364,2cyclictest0-21swapper/008:50:170
318131993616,11cyclictest333306-21cron07:25:000
31813999322,3cyclictest464558-21ssh09:25:243
318131993214,9cyclictest667137-21ssh12:06:010
318131993120,10cyclictest0-21swapper/010:14:590
31813999300,21cyclictest0-21swapper/309:56:463
318133993027,2cyclictest354075-21cron07:45:001
318133993027,2cyclictest354075-21cron07:45:001
31813199301,20cyclictest440910-21diskmemload10:50:290
31813199300,20cyclictest553994-21ssh10:37:450
31813199300,1cyclictest542227-21cron10:30:000
31813999290,3cyclictest0-21swapper/309:44:033
318131992918,10cyclictest491917-21ssh09:49:320
31813199291,1cyclictest440910-21diskmemload12:31:040
31813199290,25cyclictest0-21swapper/011:24:110
31813199290,20cyclictest1-21systemd07:30:010
31813999280,3cyclictest50-21ksoftirqd/310:53:153
318131992818,9cyclictest535235-21ssh10:22:440
31813199280,3cyclictest604580-21ssh11:17:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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