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2025-12-22 - 16:13
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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 Mon Dec 22, 2025 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
174520499281,2cyclictest1943503-21http10:24:592
174520499272,22cyclictest2035229-21apt-get11:55:132
174520499262,21cyclictest1745430-21apt-get07:10:152
174520499261,23cyclictest261-21systemd-journal10:00:002
174520499251,22cyclictest1867770-21apt-get09:10:132
174520499250,23cyclictest2024821-21ls11:45:012
174520099251,21cyclictest1796053-21apt-get08:00:121
174519699252,21cyclictest1979539-21apt-get11:00:130
1745196992520,2cyclictest1887976-21apt-get09:30:130
1745206992419,3cyclictest1755539-21apt-get07:20:133
174520699240,23cyclictest1780640-21dump-pmu-power07:45:013
174520699240,20cyclictest0-21swapper/311:55:133
174520499241,3cyclictest1877879-21apt-get09:20:132
174520499241,21cyclictest1760592-21apt-get07:25:122
174520499241,21cyclictest0-21swapper/209:00:122
174520499240,22cyclictest1883426-21cut09:25:182
174520099242,20cyclictest1872822-21apt-get09:15:121
174520099241,21cyclictest1801127-21apt-get08:05:121
174519699241,21cyclictest2030152-21apt-get11:50:120
174519699241,21cyclictest1862714-21apt-get09:05:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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