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2026-08-04 - 06:47
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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 rack5slot7.osadl.org (updated Tue Aug 04, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9471224192181,185sleep00-21swapper19:01:490
95679916720,120cyclictest27646-21memory22:23:450
95679916718,123cyclictest20981-21df_inode23:38:140
95679916717,125cyclictest15441-21apt-get23:22:420
95679916620,107cyclictest16720-21apt-get21:52:390
95679916535,110cyclictest21851-21latency_hist22:07:280
95679916521,120cyclictest2869-21apt-get21:12:410
95679916518,120cyclictest6790-21apt-get22:57:410
95679916517,123cyclictest12614-21ntp_states23:13:520
95679916417,105cyclictest542-21df00:13:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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