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2026-01-17 - 02:21
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack3slot6.osadl.org (updated Sat Jan 17, 2026 00:45:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
261162940,6chrt26115-21/usr/sbin/munin00:25:211
1028029118,30sleep10-21swapper/119:09:531
10427998328,43cyclictest448-21dbus-daemon23:54:591
10427998313,55cyclictest0-21swapper/123:40:121
1042799826,60cyclictest11417-21apt-get23:45:121
1042799807,59cyclictest27498-21apt-get00:30:121
1042799806,64cyclictest5494-21apt-get20:25:141
10427998015,52cyclictest0-21swapper/100:10:091
10427998013,52cyclictest0-21swapper/122:00:131
1042799798,64cyclictest0-21swapper/120:20:211
1042799797,59cyclictest7861-21apt-get23:35:131
1042799796,61cyclictest12833-21apt-get20:45:131
1042799795,59cyclictest19752-21apt-get19:35:121
10427997939,34cyclictest0-21swapper/122:25:231
10427997928,41cyclictest13716-21sed22:20:021
10427997912,52cyclictest0-21swapper/122:50:131
1042799787,54cyclictest19244-21apt-get22:35:111
1042799786,62cyclictest26846-21apt-get21:25:111
10427997814,50cyclictest0-21swapper/123:55:231
10427997813,53cyclictest0-21swapper/119:15:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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