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2026-08-22 - 03:20
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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 Sat Aug 22, 2026 00:44:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12603213912,87sleep212604-21cron19:10:002
12058212215,65sleep112124-21cat19:05:471
127609911531,12cyclictest0-21swapper/023:00:100
127609911433,12cyclictest0-21swapper/021:57:230
127609911414,78cyclictest29789-21apt-get22:15:260
127609911414,78cyclictest29789-21apt-get22:15:260
127609911148,56cyclictest13351-21ntp_kernel_pll_23:30:280
127609910828,11cyclictest0-21swapper/023:10:270
127609910828,11cyclictest0-21swapper/023:10:270
127609910732,9cyclictest0-21swapper/021:00:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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