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2026-05-13 - 02:24
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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 Tue May 12, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
127497699290,28cyclictest1585647-21idleruntime-cro12:15:013
127497199282,3cyclictest1356755-21apt-get08:30:101
127497199281,2cyclictest0-21swapper/107:30:141
1274971992721,4cyclictest1581040-21grep12:10:141
127497199271,21cyclictest1397757-21apt-get09:10:141
127497199262,2cyclictest1285349-21apt-get07:20:131
1274971992622,2cyclictest1509328-21sh10:59:591
127497199261,21cyclictest1341574-21apt-get08:15:131
127497699251,22cyclictest1540413-21apt-get11:30:113
127497699250,22cyclictest1484272-21seq10:35:133
127497399252,2cyclictest1580841-21apt-get12:10:122
127497399252,20cyclictest1474135-21apt-get10:25:122
127497399251,21cyclictest1509597-21apt-get11:00:142
127497399251,21cyclictest1509597-21apt-get11:00:132
127497399251,20cyclictest1453512-21apt-get10:05:132
127497199251,21cyclictest0-21swapper/111:05:121
127497199251,20cyclictest1326346-21apt-get08:00:141
127497699242,2cyclictest1371917-21apt-get08:45:123
127497699242,2cyclictest1290420-21apt-get07:25:143
127497699242,2cyclictest0-21swapper/307:55:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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