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2026-06-30 - 09:01
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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 20 highest latencies:
System rack4slot3.osadl.org (updated Tue Jun 30, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1599721150,4sleep015998-21awk19:20:350
166939910425,40cyclictest20081-21latency_hist22:54:550
166939910224,69cyclictest3568-21runrttasks23:30:230
166939910035,56cyclictest18621-21kworker/u2:200:40:300
166939910024,68cyclictest3568-21runrttasks00:08:340
16693999924,66cyclictest24916-21aten_r4power_cu21:30:060
16693999915,75cyclictest24118-21munin-node00:45:400
16693999815,74cyclictest3568-21runrttasks21:50:350
16693999719,69cyclictest23693-21munin-node21:25:210
16693999625,61cyclictest3568-21runrttasks21:20:410
16693999528,58cyclictest3568-21runrttasks22:41:210
16693999515,70cyclictest21785-21diskstats19:40:130
16693999515,46cyclictest9454-21pluginstate22:20:400
16693999515,17cyclictest23579-21diskstats23:05:140
16693999514,71cyclictest14350-21munin-node00:15:320
16693999514,16cyclictest3568-21runrttasks20:55:410
2880829413,16sleep028831-21sendmail_mailst20:00:410
16693999414,71cyclictest566-21aten_r4power_vo20:15:070
16693999414,70cyclictest10707-21fschecks_time22:25:150
16693999414,69cyclictest20409-21munin-node21:15:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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