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2026-03-12 - 02:16
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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 20 highest latencies:
System rack3slot2.osadl.org (updated Thu Mar 12, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
195757799329270,48cyclictest29-21kswapd000:10:210
195757799289259,20cyclictest29-21kswapd000:06:010
196935322540,3chrt1969351-21ntpq19:51:080
203316822410,2chrt2032912-21/usr/sbin/munin23:40:270
202617622380,3chrt2026179-21latency23:15:280
200279822310,4chrt2002270-21/usr/sbin/munin21:51:150
195757799218188,18cyclictest1961767-21kworker/u2:219:40:050
195757799214185,18cyclictest2026291-21kworker/u2:000:20:070
195757799214184,18cyclictest1999376-21kworker/u2:022:00:050
202949322130,2sleep02029494-21cat23:26:230
195757799210182,17cyclictest2026291-21kworker/u2:023:50:030
195757799210181,17cyclictest2026291-21kworker/u2:000:40:070
195757799210180,18cyclictest2026291-21kworker/u2:000:30:070
195757799208178,18cyclictest1961767-21kworker/u2:219:30:040
195757799207177,18cyclictest2026291-21kworker/u2:000:25:030
195757799206178,17cyclictest1996001-21kworker/u2:221:35:070
195757799206175,19cyclictest1988230-21kworker/u2:021:25:050
195757799206175,19cyclictest1988230-21kworker/u2:021:10:030
195757799204174,19cyclictest2026291-21kworker/u2:023:40:040
195757799203173,18cyclictest1976756-21kworker/u2:220:30:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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