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2025-11-18 - 00:48
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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 Mon Nov 17, 2025 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
147371122620,3chrt1473701-21munin-run12:15:080
137821599257220,25cyclictest1386445-31find07:38:360
143333122540,3chrt1433328-21sshd10:12:360
139152322520,2sleep01391525-21grep07:56:180
141418422460,3chrt1414185-21rm09:16:300
137862522450,2sleep01378626-21/usr/sbin/munin07:10:310
148145822410,3chrt1481456-21users12:37:000
146612122300,3chrt1466122-21gcc11:51:430
137821599229198,19cyclictest1412090-21kworker/u2:309:30:290
144785522220,3chrt1447856-21ldconfig10:56:420
137821599222193,18cyclictest1407562-21kworker/u2:009:06:200
137821599213183,19cyclictest1440242-21kworker/u2:110:40:290
146726022060,2sleep022-21kcompactd011:55:240
140764222020,2sleep01407644-21latency_hist08:55:070
143089921990,4chrt1430581-21/usr/sbin/munin10:05:430
137821599198169,18cyclictest1407562-21kworker/u2:009:25:290
137821599198166,20cyclictest29-21kswapd007:40:250
147669721970,2sleep01476698-21ssh12:23:130
137821599197164,21cyclictest84-21jbd2/mmcblk0p2-10:55:050
146026321950,3chrt1460264-21rm11:34:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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