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2026-08-10 - 06:16
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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 rackeslot4.osadl.org (updated Mon Aug 10, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120810099272,21cyclictest1254897-21apt-get19:55:141
120810699261,23cyclictest1367616-21taskset21:45:163
120810699261,23cyclictest1367616-21taskset21:45:153
120810699260,21cyclictest1336498-21apt-get21:15:143
120810299262,22cyclictest1494731-21apt-get23:50:122
120810299261,22cyclictest1367327-21apt-get21:45:142
120810299261,22cyclictest1367327-21apt-get21:45:142
120810699251,21cyclictest1499801-21apt-get23:55:123
120810299252,21cyclictest1541333-21apt-get00:35:142
1208102992520,2cyclictest1285399-21apt-get20:25:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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