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2026-06-25 - 02:33
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack7slot3.osadl.org (updated Thu Jun 25, 2026 00:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17563282519sleep17562-21cut19:03:500
1855699257228cyclictest5187-21ntp_states20:30:110
1855699253228cyclictest30166-21sendmail22:18:370
1855699249223cyclictest14164-21fschecks_time21:09:590
1855699249190cyclictest19633-21cpu21:33:480
1855699248223cyclictest14966-21runrttasks23:32:150
1855699248218cyclictest16477-21modprobe23:39:140
1855699246217cyclictest4860-21sh22:48:210
1855699246216cyclictest2827-21sendmail-mta00:22:230
1855699246178cyclictest5894-21diskmemload22:52:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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