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2026-03-25 - 21:56
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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 Mar 25, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22519622910,2sleep0225197-21switchtime07:51:200
21314199279246,21cyclictest222177-21ntpq07:41:040
25703122520,4chrt257029-21ntpq09:46:000
21314199226196,19cyclictest29-21kswapd007:45:210
26283622220,3sleep0262840-21wc10:06:230
21314199205167,26cyclictest221226-31find07:37:270
27589222030,5sleep022-21kcompactd010:55:020
22613421900,3sleep0226136-21ls07:55:310
21314199190162,18cyclictest234579-21kworker/u2:208:31:190
21314199189159,20cyclictest249973-21kworker/u2:109:30:040
21314199188158,19cyclictest298172-21kworker/u2:312:25:040
21314199188158,19cyclictest234579-21kworker/u2:208:30:040
21314199184153,22cyclictest234579-21kworker/u2:208:50:060
21314199183156,17cyclictest280462-21kworker/u2:011:26:250
24826221790,3sleep0248263-21grep09:15:130
21314199179151,17cyclictest252256-21kworker/u2:009:40:070
21314199179149,19cyclictest210812-21kworker/u2:107:20:040
21314199178148,20cyclictest272128-21kworker/u2:211:05:020
27926921760,2sleep0279272-21grep11:05:580
21314199170138,20cyclictest272128-21kworker/u2:211:10:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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