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2026-04-15 - 17:56
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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 50 highest latencies:
System rackaslot6.osadl.org (updated Wed Apr 15, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1704870993918,3cyclictest0-21swapper/00
1704870993811,15cyclictest0-21swapper/00
1704870993722,2cyclictest0-21swapper/00
170487099360,11cyclictest1709035-21kernelversion0
1704877993327,3cyclictest1714268-21switchtime7
170487099331,24cyclictest1754169-21kworker/u32:1+rpciod0
170487099331,24cyclictest1754169-21kworker/u32:1+rpciod0
1704875993214,8cyclictest1783843-21kworker/u32:4+rpciod5
170487099327,21cyclictest0-21swapper/00
170487099322,25cyclictest151ktimers/00
170487099321,25cyclictest0-21swapper/00
170487099321,18cyclictest0-21swapper/00
170487599314,17cyclictest23150irq/135-46000000.ethernet-rx05
1704875993125,3cyclictest1759254-21latency_hist5
170487299311,20cyclictest0-21swapper/22
170487299311,20cyclictest0-21swapper/22
170487699301,20cyclictest0-21swapper/66
170487599302,14cyclictest1780997-21apt-get5
1704871993026,2cyclictest0-21swapper/11
170487099303,7cyclictest0-21swapper/00
170487099303,7cyclictest0-21swapper/00
1704870993017,3cyclictest0-21swapper/00
170487099301,25cyclictest0-21swapper/00
170487099301,18cyclictest0-21swapper/00
170487099301,18cyclictest0-21swapper/00
1704876992917,3cyclictest0-21swapper/66
170487699291,10cyclictest0-21swapper/66
170487699291,10cyclictest0-21swapper/66
170487599291,5cyclictest0-21swapper/55
170487099295,16cyclictest1795242-21awk0
1704870992923,4cyclictest1798960-21acpi0
170487099291,23cyclictest151ktimers/00
170487699281,20cyclictest1787109-21kworker/u32:0+xprtiod6
170487699281,19cyclictest0-21swapper/66
1704875992812,5cyclictest0-21swapper/55
170487499288,16cyclictest0-21swapper/44
170487199284,20cyclictest271ktimers/11
1704870992824,2cyclictest0-21swapper/00
170487099282,16cyclictest0-21swapper/00
170487099282,16cyclictest0-21swapper/00
1704870992820,5cyclictest1741066-21cron0
170487099281,21cyclictest0-21swapper/00
170487099281,21cyclictest0-21swapper/00
1704877992722,3cyclictest1794039-21latency_hist7
1704877992722,3cyclictest1725707-21processes7
1704877992720,5cyclictest1738222-21aten_rapower_cu7
170487699275,18cyclictest1736894-21fschecks_time6
1704876992721,4cyclictest1805664-21/usr/sbin/munin6
1704872992722,2cyclictest1797892-21ntp_kernel_err2
1704872992721,3cyclictest1716669-21latency_hist2
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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