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2026-06-14 - 04:37
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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 Jun 14, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2290921780,5sleep03025599cyclictest21:41:490
1068911040,4ptp4l401ktimersoftd/320:49:513
105312850,2sleep30-21swapper/323:43:173
133972650,4sleep33027499cyclictest01:26:513
3026199600,4cyclictest18138-21ssh01:31:451
322052580,2sleep032206-21who20:52:030
22342580,4sleep33027499cyclictest23:01:583
259342570,2sleep10-21swapper/123:26:531
72192550,4sleep1241ktimersoftd/122:16:511
181622540,3sleep23026799cyclictest02:03:482
299632530,1sleep00-21swapper/001:10:060
224932510,1sleep10-21swapper/123:22:111
111912510,2sleep00-21swapper/021:16:520
2999624929,8sleep20-21swapper/220:49:322
3026199438,20cyclictest16528-21cat22:36:501
30267994112,3cyclictest28652-21grep01:41:562
30267994015,21cyclictest15007-21grep01:27:092
3026799399,5cyclictest30335-21/usr/sbin/munin23:32:002
3026199393,28cyclictest25071-21apt-get21:46:481
106891390,1ptp4l401ktimersoftd/323:14:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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