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2026-03-17 - 19:49
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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 Tue Mar 17, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2154621450,4sleep0304699cyclictest13:12:440
1954221450,4sleep3306699cyclictest08:33:003
1068911160,8ptp4l21295-21kworker/3:207:58:133
19512700,3sleep31954-21grep10:07:553
110662680,3sleep3306699cyclictest09:23:073
106891680,1ptp4l401ktimersoftd/313:18:293
117502640,2sleep30-21swapper/310:50:313
106891580,1ptp4l401ktimersoftd/309:38:073
106891580,1ptp4l401ktimersoftd/309:18:053
106891570,1ptp4l401ktimersoftd/311:48:283
106891570,1ptp4l401ktimersoftd/311:48:283
106891570,1ptp4l401ktimersoftd/310:05:243
22812560,1sleep30-21swapper/310:41:073
106891560,1ptp4l401ktimersoftd/312:22:123
106891550,1ptp4l401ktimersoftd/312:29:193
93262530,3sleep00-21swapper/011:20:550
27312514,35sleep20-21swapper/207:59:512
180062500,2sleep3401ktimersoftd/313:08:063
305399496,7cyclictest1891-21sed09:03:081
142512490,1sleep10-21swapper/113:04:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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