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2026-05-07 - 13:56
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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 May 07, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
943921790,4sleep13168799cyclictest00:25:561
1068911040,4ptp4l401ktimersoftd/320:30:243
116142650,3sleep20-21swapper/201:00:582
272852620,2sleep10-21swapper/123:05:471
248372620,4sleep1241ktimersoftd/123:35:501
41052590,2sleep30-21swapper/323:46:163
168092560,5sleep341-21ksoftirqd/301:40:063
314932544,39sleep00-21swapper/020:29:290
163202540,2sleep20-21swapper/222:54:192
3170199536,13cyclictest9144-21ssh23:51:303
3169399534,7cyclictest2303-21sendmail-msp22:40:362
3169399530,9cyclictest321ktimersoftd/201:05:542
28762530,1sleep20-21swapper/201:57:512
17882530,3sleep1231rcuc/121:40:511
3168199524,4cyclictest121rcu_preempt22:20:480
3170199514,13cyclictest4152-21grep20:36:013
3170199503,13cyclictest27395-21ssh22:31:383
3169399505,10cyclictest33-21ksoftirqd/223:46:062
3169399504,8cyclictest3958-21apt-get00:20:502
3169399503,7cyclictest7997-21munin-run21:55:342
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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