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2026-01-15 - 15:16
[ 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 Thu Jan 15, 2026 12:44:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23440210528,19sleep00-21swapper/007:05:120
2459329416,32sleep10-21swapper/107:05:361
25190998751,24cyclictest12047-21apt-get11:00:120
25194998344,28cyclictest26-21ksoftirqd/108:30:151
25190998235,42cyclictest20647-21sh11:25:000
43392790,6chrt3834-21apt-get07:40:260
25190997957,13cyclictest0-21swapper/008:55:130
25190997957,13cyclictest0-21swapper/007:35:140
25190997944,22cyclictest9901-21apt-get09:25:210
25190997932,41cyclictest4199-21diskmemload09:10:270
25190997857,11cyclictest22118-21apt-get08:30:150
79562770,5sleep17959-21aten2.4_r3power09:20:151
25190997748,16cyclictest23858-21apt-get08:35:130
25190997748,15cyclictest11646-21apt-get09:30:120
25190997648,15cyclictest31027-21apt-get07:25:130
25190997547,13cyclictest17236-21apt-get09:45:110
103002750,5sleep1251rcuc/110:55:161
25190997453,13cyclictest29453-21apt-get08:50:120
25190997428,39cyclictest26413-21/usr/sbin/munin11:40:300
25190997351,11cyclictest11782-21apt-get12:30:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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