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2026-09-24 - 23:01
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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
Characteristics of the 10 highest latencies:
System rackdslot0.osadl.org (updated Thu Sep 24, 2026 12:46:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1829699234,11cyclictest8335-21munin-run07:50:010
1829899220,19cyclictest18107-21nfsd410:55:182
1829699222,17cyclictest0-21swapper/009:05:170
18298992114,6cyclictest0-21swapper/210:10:212
1829899201,16cyclictest3985-21H222:10:212
1829799204,1cyclictest0-21swapper/107:30:521
18297992017,2cyclictest3989-21H222:10:211
18296992017,2cyclictest28392-21mailstats07:25:210
1829899193,15cyclictest23011-21latency09:10:162
18298991916,2cyclictest31105-21nfsd412:15:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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