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2026-03-23 - 11:37
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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 Mar 23, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1329132992926,2cyclictest0-21swapper/120:05:171
132913899261,22cyclictest1364861-21apt-get19:45:133
132913299261,22cyclictest1559611-21apt-get22:55:091
132913299261,21cyclictest1334399-21apt-get19:15:131
1329133992521,2cyclictest1579845-21apt-get23:15:092
132913399251,21cyclictest1646401-21apt-get00:20:122
132913299251,21cyclictest0-21swapper/123:00:121
132913299251,21cyclictest0-21swapper/119:35:131
132913299251,20cyclictest0-21swapper/120:00:131
132913299250,21cyclictest0-21swapper/119:10:131
132912899253,20cyclictest1513637-21apt-get22:10:130
1329138992419,4cyclictest1549185-21runrttasks22:45:003
132913899240,22cyclictest1621207-21ps23:55:173
132913399242,2cyclictest1421795-21apt-get20:40:112
132913399241,20cyclictest1457644-21apt-get21:15:112
132913399241,20cyclictest0-21swapper/222:25:132
1329132992420,2cyclictest1544408-21apt-get22:40:131
1329132992419,2cyclictest0-21swapper/119:45:131
132913299241,3cyclictest1508338-21cron22:05:001
132913299241,3cyclictest1452567-21apt-get21:10:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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