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2026-05-17 - 09:26
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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: ondemand
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack5slot4.osadl.org (updated Sun May 17, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12472212464,7sleep30-21swapper/319:07:393
124852114105,6sleep10-21swapper/119:07:491
73582109100,6sleep20-21swapper/219:05:102
12355210797,7sleep00-21swapper/019:06:080
56362940,0sleep30-21swapper/320:55:193
158122670,5sleep11283199cyclictest21:05:151
313372630,6sleep11283199cyclictest21:45:191
153612600,0sleep30-21swapper/320:35:163
280572590,1sleep010-21rcuc/019:50:120
152662570,0sleep30-21swapper/321:05:003
308622530,0sleep30-21swapper/300:10:183
1283399290,13cyclictest0-21swapper/221:00:122
1283399281,26cyclictest0-21swapper/221:24:492
1283399280,27cyclictest0-21swapper/221:07:092
1283399270,26cyclictest0-21swapper/223:55:292
1283399270,26cyclictest0-21swapper/222:58:522
12826992718,1cyclictest749-21snmpd21:41:090
12826992618,1cyclictest749-21snmpd22:53:170
12826992618,1cyclictest749-21snmpd22:19:240
12826992618,1cyclictest749-21snmpd19:59:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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