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2026-05-29 - 18:44
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 10 highest latencies:
System rack4slot2.osadl.org (updated Fri May 29, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1849829620,0sleep018165-1kworker/u3:207:03:060
186269910168,0cyclictest28561-21/usr/sbin/munin11:03:590
186269910077,0cyclictest9013-21runrttasks10:05:140
186269910074,0cyclictest7015-1kworker/u3:008:24:220
18626999979,0cyclictest21297-21/usr/sbin/munin09:09:230
18626999976,0cyclictest31837-21diskstats07:54:120
18626999971,0cyclictest18734-21meminfo12:09:260
18626999966,0cyclictest14353-21fschecks_time08:49:150
18626999777,0cyclictest32103-21users09:39:500
18626999776,0cyclictest19360-21diskstats09:04:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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