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2025-12-10 - 18:21
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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 10, 2025 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
85639722790,3chrt856393-21diskstats11:55:270
80395622750,2sleep0803958-21uname09:15:350
80949222580,2sleep0809495-21sort09:31:510
76839199246216,18cyclictest775370-21kworker/u2:007:35:460
78804422450,3chrt788045-21cat08:20:070
78055322430,4chrt780551-21users07:51:270
85295922410,3sleep0852960-21date11:45:090
87066722370,3chrt870663-21ssh12:37:580
82079822360,3chrt820799-21collect210:06:390
85033822270,3chrt850340-21proc_pri11:36:480
76839199204175,17cyclictest859002-21kworker/u2:012:05:050
81394422020,2sleep0813945-21ssh09:45:390
86845022000,3sleep0868452-21ssh12:31:270
76839199190159,19cyclictest834763-21kworker/u2:011:10:060
77129521890,2sleep0771296-21date07:20:080
81180521880,2sleep0811807-21ssh09:40:010
76839199187159,19cyclictest803025-21kworker/u2:209:41:320
76839199186157,19cyclictest834793-21true10:50:040
82893321850,4chrt828923-21ntp_states10:31:250
76839199182154,18cyclictest786458-21kworker/u2:108:35:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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