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2026-06-29 - 00:56
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rack7slot8.osadl.org (updated Sun Jun 28, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2036121820,6sleep020360-21if_err_eth019:05:220
213049917250,104cyclictest6962-21cut20:16:310
213049916951,12cyclictest101ktimersoftd/021:50:180
213049916255,12cyclictest101ktimersoftd/023:30:040
213049916039,20cyclictest1025-21cron22:00:000
21304991599,19cyclictest423-21runrttasks19:52:080
21304991589,21cyclictest11205-21seq20:32:100
213049915847,16cyclictest7611-21/usr/sbin/munin00:30:560
21304991576,20cyclictest12793-21apt-get20:42:090
213049915649,19cyclictest26354-21runrttasks21:30:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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