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2026-05-07 - 23:41
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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 20 highest latencies:
System rackeslot4.osadl.org (updated Thu May 07, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2396725992825,2cyclictest2441969-21fwupd07:51:563
239672599271,21cyclictest2498734-21apt-get08:50:113
239672299271,22cyclictest2595818-21apt-get10:25:112
239672599261,22cyclictest0-21swapper/309:15:083
2396722992619,5cyclictest2652222-21seq11:20:112
239672299261,23cyclictest2462887-21sshd08:15:002
239672299260,23cyclictest0-21swapper/208:40:122
239672299260,23cyclictest0-21swapper/207:10:122
239672599251,21cyclictest0-21swapper/312:20:113
239672599250,3cyclictest2707270-21smartctl12:10:233
239672599250,21cyclictest0-21swapper/312:30:113
2396722992519,3cyclictest2529132-21apt-get09:20:102
239672299251,2cyclictest0-21swapper/207:15:102
239672299251,21cyclictest2463231-21apt-get08:15:102
239672299251,21cyclictest0-21swapper/212:25:122
239672299251,20cyclictest0-21swapper/207:45:092
239672099251,21cyclictest2590740-21apt-get10:20:121
239672099251,21cyclictest2447599-21apt-get08:00:111
239672599242,2cyclictest2412157-21apt-get07:25:123
2396725992420,2cyclictest2728583-21apt-get12:35:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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