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2025-11-23 - 14:08
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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 Nov 23, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
478823090,5sleep30-21swapper/320:13:103
1629521690,3sleep0618599cyclictest00:23:090
3112921580,3sleep1619199cyclictest01:14:571
177391740,7ptp4l401ktimersoftd/323:47:223
57702704,10sleep00-21swapper/020:13:410
78992680,2sleep30-21swapper/300:48:213
6185996550,9cyclictest9-21ksoftirqd/000:08:050
99642620,2sleep20-21swapper/222:28:122
233122610,2sleep10-21swapper/101:06:461
6197996054,3cyclictest33-21ksoftirqd/200:18:052
319012600,3sleep20-21swapper/200:03:192
177391580,1ptp4l401ktimersoftd/323:51:473
177391580,1ptp4l401ktimersoftd/323:00:373
6201995747,6cyclictest41-21ksoftirqd/321:13:023
6197995749,5cyclictest33-21ksoftirqd/222:18:022
177391570,1ptp4l401ktimersoftd/301:42:213
59692554,10sleep20-21swapper/220:16:172
6197995449,3cyclictest33-21ksoftirqd/223:13:042
6197995448,3cyclictest33-21ksoftirqd/200:28:052
6197995447,4cyclictest33-21ksoftirqd/221:18:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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