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2026-01-14 - 18:52
[ 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 12:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
258742236169,21sleep30-21swapper/307:06:553
260642205171,22sleep10-21swapper/107:09:181
258092204171,22sleep00-21swapper/007:06:040
261022203170,22sleep20-21swapper/207:09:482
2746621640,4sleep32641499cyclictest07:10:203
209421600,7sleep12641299cyclictest10:50:211
2641399739,62cyclictest31664-21kworker/2:212:00:252
2641399657,16cyclictest16035-21/usr/sbin/munin10:10:292
2641399628,11cyclictest20202-21date11:30:002
26413996110,9cyclictest24967-21date11:40:002
26413996110,9cyclictest24967-21date11:40:002
2641399576,17cyclictest15428-21seq07:54:022
2641399567,10cyclictest12328-21grep08:55:132
2641399564,16cyclictest0-21swapper/209:55:002
2641399556,16cyclictest1312-21snmpd07:46:432
2641399551,10cyclictest21826-21cpuspeed_turbos09:15:122
2641399549,11cyclictest1819-21awk07:25:172
139291540,1ptp4l401ktimersoftd/312:07:043
139291540,1ptp4l401ktimersoftd/308:58:393
2641399536,13cyclictest17711-21sshd07:57:562
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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