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2026-04-23 - 19:31
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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 Thu Apr 23, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911050,3ptp4l401ktimersoftd/308:18:193
106891750,1ptp4l401ktimersoftd/313:25:523
106891690,1ptp4l401ktimersoftd/310:50:463
283812670,2sleep20-21swapper/212:43:232
106891670,1ptp4l401ktimersoftd/311:13:403
255532640,5sleep22563699cyclictest11:02:532
106891590,1ptp4l401ktimersoftd/313:52:383
282232580,5sleep228226-21irqrtprio09:33:252
106891580,1ptp4l401ktimersoftd/312:41:183
25630995725,5cyclictest25-21ksoftirqd/113:53:121
106891570,1ptp4l401ktimersoftd/312:10:233
106891570,1ptp4l401ktimersoftd/312:10:233
106891570,10ptp4l401ktimersoftd/313:03:113
62512550,4sleep125-21ksoftirqd/113:26:171
258882540,2sleep10-21swapper/109:28:261
25630995122,5cyclictest25-21ksoftirqd/112:38:211
25630995121,4cyclictest25-21ksoftirqd/110:28:431
25630995120,11cyclictest25-21ksoftirqd/111:28:311
106891510,2ptp4l13532-21kworker/3:010:34:473
106891500,1ptp4l401ktimersoftd/310:46:533
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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