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2026-05-27 - 05:37
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rackaslot8.osadl.org (updated Wed May 27, 2026 00:44:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
106172284254,20sleep20-21swapper/219:07:292
107722268241,18sleep10-21swapper/119:09:291
106132266234,22sleep30-21swapper/319:07:253
104982258228,19sleep00-21swapper/019:06:090
51702620,0sleep012-21ksoftirqd/020:05:190
99692610,0sleep00-21swapper/023:12:150
27302580,1sleep00-21swapper/020:00:190
252252580,0sleep10-21swapper/121:24:561
211282560,0sleep00-21swapper/022:00:290
90692530,0sleep10-21swapper/121:15:031
314402200,0sleep10-21swapper/121:28:081
274952200,0sleep20-21swapper/222:05:102
129942190,0sleep00-21swapper/023:53:400
103902180,0sleep30-21swapper/323:12:343
113992170,0sleep00-21swapper/021:15:390
202192160,0sleep20-21swapper/200:36:422
1091499160,12cyclictest19648-21ssh00:36:160
230242150,0sleep10-21swapper/123:40:111
22722150,0sleep00-21swapper/022:28:350
1091499150,11cyclictest929-21ssh22:08:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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