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2026-07-16 - 16:18
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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 10 highest latencies:
System rackbslot7.osadl.org (updated Thu Jul 16, 2026 12:44:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7380218216,129sleep17398-21ls06:56:581
7380218216,129sleep17398-21ls06:56:581
7472991153,54cyclictest30193-21ssh09:22:062
74729910567,23cyclictest0-21swapper/211:07:122
74729910547,15cyclictest32736-21sh10:19:052
7472991045,49cyclictest8982-21apt-get07:02:092
74729910339,14cyclictest0-21swapper/207:26:572
74729910319,36cyclictest27946-21sh11:58:272
74609910226,42cyclictest18836-21ssh09:57:090
74609910221,31cyclictest18016-21apt-get07:27:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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