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2025-12-03 - 07:24
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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 Wed Dec 03, 2025 00:44:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114938322900,3sleep01149384-21df23:55:210
109207722450,3chrt1092075-21ntpq21:06:050
110555822440,4chrt1105544-21ntpq21:46:320
108076422430,4chrt1080761-21ntpq20:25:360
107631122430,3chrt1076309-21df20:10:150
108199922410,4chrt1081997-21irqstats20:30:250
114032622370,2chrt1140324-21ssh23:28:320
115254922300,3chrt1152535-21pluginstate00:05:100
112224422100,2sleep01122246-21uname22:35:370
109696922090,3sleep01096970-21ld21:21:210
111053522050,3sleep01110536-21ssh22:01:020
113584522040,2sleep01135846-21awk23:15:320
115994722010,3sleep01159948-21sh00:26:100
108933122010,3sleep01089329-21pluginstate20:56:130
105936399190158,21cyclictest1144553-21kworker/u2:223:50:070
106775521890,2sleep01067754-21systemd-run19:40:040
112596721870,2sleep01125968-21ld22:46:210
105936399187122,53cyclictest1152391-21kworker/u2:200:10:310
113815921840,3sleep01138161-21grep23:21:570
105936399184155,18cyclictest84-21jbd2/mmcblk0p2-21:31:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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