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2026-03-15 - 10:30
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackbslot6.osadl.org (updated Sun Mar 15, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3217021750,4sleep23214699cyclictest21:06:322
312921690,4sleep03213699cyclictest23:16:340
2495121450,5sleep13214199cyclictest00:44:361
565421310,3sleep23214699cyclictest21:16:442
2713621310,2sleep00-21swapper/022:01:420
1068911040,4ptp4l401ktimersoftd/319:57:283
193722650,1sleep10-21swapper/100:06:341
317642614,10sleep20-21swapper/219:57:422
55742580,2sleep00-21swapper/020:11:260
55742580,2sleep00-21swapper/020:11:260
32141994942,4cyclictest25-21ksoftirqd/100:31:321
105791480,5getstats3215499cyclictest20:42:163
32141994739,4cyclictest25-21ksoftirqd/122:56:291
189322470,2sleep30-21swapper/322:59:353
32141994640,3cyclictest25-21ksoftirqd/122:16:291
32141994235,4cyclictest25-21ksoftirqd/123:16:301
106891400,1ptp4l401ktimersoftd/300:27:093
106891390,1ptp4l401ktimersoftd/323:47:173
106891390,1ptp4l401ktimersoftd/323:47:173
106891390,1ptp4l401ktimersoftd/301:18:483
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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