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2026-01-14 - 06:07
[ 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
Characteristics of the 20 highest latencies:
System rackdslot2.osadl.org (updated Wed Jan 14, 2026 00:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
274842207164,32sleep20-21swapper/219:09:522
274462206173,22sleep10-21swapper/119:09:221
274452206172,23sleep00-21swapper/019:09:210
139591205171,23phc2sys0-21swapper/319:05:273
139591160123,26phc2sys0-21swapper/319:10:013
304482700,1sleep130449-21/usr/sbin/munin20:20:221
90452590,2sleep10-21swapper/120:45:131
27790995346,4cyclictest29910-21idleruntime-cro23:45:002
27791994841,4cyclictest2497-21sh23:55:003
27789994814,4cyclictest25-21ksoftirqd/122:00:001
27791994414,28cyclictest10085-21kworker/3:200:26:263
27789994416,3cyclictest25-21ksoftirqd/123:35:001
27789994416,3cyclictest25-21ksoftirqd/119:45:201
27789994338,2cyclictest1308-21runrttasks22:04:071
27789994315,3cyclictest25-21ksoftirqd/123:45:261
247852430,7sleep02778899cyclictest22:25:170
139291430,0ptp4l401ktimersoftd/321:33:543
2778999426,2cyclictest25-21ksoftirqd/121:10:271
2778999425,3cyclictest25-21ksoftirqd/119:30:241
2778999424,3cyclictest25-21ksoftirqd/123:40:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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