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2025-10-22 - 07:27
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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 Oct 22, 2025 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16012623080,3chrt132267-21diskmemload22:31:250
20112522820,2sleep0201127-21mailstats00:31:560
19924222680,2sleep0199243-21gcc00:26:330
17364722590,3chrt22-21kcompactd023:11:130
18379422540,4chrt183788-21ntpq23:40:550
16322222460,2sleep0163223-21cat22:40:340
14848222460,3sleep0148486-21sh21:56:550
16684022410,3chrt166834-21ntpq22:51:110
13097722380,3chrt130978-21latency_hist21:05:060
16224022350,3chrt162238-21ssh22:37:090
10801322350,3chrt108014-21grep19:40:140
15446822340,3chrt154467-21cat22:15:110
17508922260,3sleep0175093-21cut23:15:350
18098322220,2sleep0180984-21sshd23:32:180
13472722220,4chrt134723-21ntpq21:16:330
9946799209181,17cyclictest29-21kswapd000:15:290
14651422000,3chrt146498-21ntpq21:51:150
14038321990,2sleep0140384-21ssh21:32:570
14460921980,2sleep0144607-21memory21:45:370
19751321930,3sleep0197514-21ntpq00:21:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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