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2026-04-24 - 00:56
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack3slot2.osadl.org (updated Thu Apr 23, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
186998199272244,18cyclictest29-21kswapd007:41:020
186998199270241,19cyclictest29-21kswapd011:41:020
186998199239210,19cyclictest29-21kswapd011:45:220
192786822350,3chrt1927270-21/usr/sbin/munin10:36:160
194956922330,4chrt1949567-21acpi11:55:100
193318822300,3chrt1933183-21ntpq10:55:380
186998199219190,18cyclictest1903493-21kworker/u2:009:31:200
186998199217188,19cyclictest29-21kswapd007:45:180
186998199217188,19cyclictest1876949-21kworker/u2:107:37:590
193205422130,2sleep01932056-21grep10:51:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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