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2026-02-14 - 20:19
[ 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 rackfslot7.osadl.org (updated Sat Feb 14, 2026 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24645579910038,39cyclictest2541983-21cat09:30:135
2464557999335,39cyclictest2561449-21diskstats10:05:135
2464557998325,58cyclictest2608842-21mailstats11:30:225
2464557997336,18cyclictest2588415-21telnet10:55:135
2464557997234,19cyclictest2631457-21chrt12:11:015
2464557997133,19cyclictest2534090-21awk09:15:175
2464557997012,39cyclictest2494722-21latency_hist08:05:005
2464557996830,38cyclictest0-21swapper/510:02:185
246455599689,58cyclictest0-21swapper/309:45:153
246455599684,64cyclictest0-21swapper/307:45:133
246455599680,68cyclictest0-21swapper/312:15:203
246455799668,39cyclictest2530418-21unin-run09:10:015
246455799668,39cyclictest2526062-21if_err_eno409:00:155
246455799668,39cyclictest2526062-21if_err_eno409:00:145
246455799668,39cyclictest2146950-21kworker/u32:6+events_unbound07:35:175
2464557996527,38cyclictest0-21swapper/509:53:555
246454999633,59cyclictest0-21swapper/008:05:150
246455799580,39cyclictest2640225-21grep12:30:015
2464557995719,19cyclictest2564920-21ntpq10:10:195
2464557995717,39cyclictest2611654-21/usr/sbin/munin11:35:235
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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