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2026-03-11 - 16:09
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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 Wed Mar 11, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3159821530,4sleep0339499cyclictest08:54:370
106891970,4ptp4l401ktimersoftd/307:56:363
106891660,1ptp4l401ktimersoftd/310:58:303
31232654,10sleep00-21swapper/007:57:040
182382650,4sleep233-21ksoftirqd/211:58:392
242932640,5sleep124287-21apt-get10:59:321
298732630,2sleep20-21swapper/211:36:592
106891630,1ptp4l401ktimersoftd/311:32:183
106891610,1ptp4l401ktimersoftd/310:17:093
10172610,5sleep31020-21unixbench_multi11:39:493
106891590,1ptp4l401ktimersoftd/311:03:443
200642570,2sleep00-21swapper/010:22:090
106891570,1ptp4l401ktimersoftd/310:01:563
106891560,1ptp4l401ktimersoftd/312:22:203
3406995531,4cyclictest33-21ksoftirqd/212:39:542
97552540,2sleep00-21swapper/011:49:380
299542530,1sleep30-21swapper/310:31:443
106891530,1ptp4l401ktimersoftd/312:47:343
106891530,1ptp4l401ktimersoftd/308:24:023
211552520,2sleep10-21swapper/110:23:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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