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2025-04-02 - 04:26
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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 Apr 02, 2025 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
122922274239,23sleep10-21swapper/119:08:131
121392269235,22sleep30-21swapper/319:06:143
123902265214,17sleep20-21swapper/219:09:312
122562265232,21sleep00-21swapper/019:07:430
111312630,0sleep30-21swapper/323:38:393
257192570,0sleep20-21swapper/200:14:382
236322570,0sleep30-21swapper/321:50:163
62752560,0sleep00-21swapper/000:24:400
5992560,0sleep00-21swapper/023:30:510
137522560,0sleep00-21swapper/019:10:200
276052530,1sleep20-21swapper/219:40:172
212172220,0sleep00-21swapper/022:12:110
7202180,0sleep30-21swapper/323:30:583
168622180,0sleep10-21swapper/100:33:431
138552180,0sleep10-21swapper/122:30:141
300742160,0sleep20-21swapper/222:41:122
313502150,0sleep00-21swapper/022:19:440
206002150,0sleep20-21swapper/220:45:152
308202130,0sleep20-21swapper/223:53:112
158462130,0sleep20-21swapper/222:55:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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