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2025-12-15 - 09:26
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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 Mon Dec 15, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3181621610,5sleep13050999cyclictest21:26:391
1630721270,4sleep03050299cyclictest19:46:380
1068911200,8ptp4l28062-21kworker/3:019:10:453
1055521100,23sleep110559-21irqrtprio22:56:441
227092680,3sleep122700-21apt-config20:01:201
315702610,2sleep00-21swapper/022:31:540
72972600,4sleep03050299cyclictest20:36:400
302582604,10sleep10-21swapper/119:09:291
3052199496,9cyclictest41-21ksoftirqd/323:16:443
3052199484,7cyclictest41-21ksoftirqd/321:26:523
30521994820,8cyclictest41-21ksoftirqd/322:16:293
30521994820,8cyclictest41-21ksoftirqd/322:16:293
30521994721,7cyclictest41-21ksoftirqd/323:46:423
30521994720,8cyclictest41-21ksoftirqd/321:23:503
3052199471,9cyclictest401ktimersoftd/320:36:443
30521994716,8cyclictest41-21ksoftirqd/321:11:393
3052199470,9cyclictest401ktimersoftd/322:31:413
219712470,1sleep20-21swapper/221:06:372
3052199466,8cyclictest41-21ksoftirqd/323:21:403
3052199465,9cyclictest41-21ksoftirqd/319:11:323
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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