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2026-02-04 - 05:56
[ 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 50 highest latencies:
System rack8slot4.osadl.org (updated Wed Feb 04, 2026 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7041762238175,50sleep30-21swapper/319:06:573
7040562233173,17sleep40-21swapper/419:05:144
7041792230173,20sleep60-21swapper/619:06:596
7062282228172,18sleep50-21swapper/519:08:355
7040922221167,17sleep20-21swapper/219:05:442
7062722218166,17sleep10-21swapper/119:09:121
7041802216189,17sleep70-21swapper/719:07:007
7041642208181,17sleep00-21swapper/019:06:450
70657599310,30cyclictest794589-21latency_hist21:50:016
70657099310,29cyclictest739973-21awk20:10:014
70656399310,30cyclictest789586-21apt-get21:43:092
706560993128,2cyclictest739940-21latency_hist20:10:021
70655699310,30cyclictest369-21systemd-journal23:05:000
706577993028,1cyclictest0-21swapper/723:30:017
706577993028,1cyclictest0-21swapper/723:30:017
70657799300,30cyclictest775460-21debian-sa121:15:007
70657599300,29cyclictest783557-21munin-run21:30:016
70657299300,29cyclictest778149-21cron21:20:005
70657299300,29cyclictest737255-21latency_hist20:05:015
706570993028,1cyclictest808938-21apt-get22:18:084
706570993027,2cyclictest1-21systemd20:25:024
70656599300,29cyclictest0-21swapper/321:58:093
70656599300,1cyclictest0-21swapper/320:00:023
706563993027,2cyclictest728918-21dump-pmu-power19:50:012
70656399300,2cyclictest810993-21apt22:20:012
70656399300,29cyclictest778217-21unin-run21:20:012
70656399300,29cyclictest0-21swapper/222:15:012
706556993028,1cyclictest819973-21apt-get22:38:080
70655699300,29cyclictest1-21systemd21:45:000
706577992927,1cyclictest860516-21munin-run23:50:027
706575992927,1cyclictest776099-21apt-get21:18:106
706575992927,1cyclictest739943-21apt20:10:026
70657599290,1cyclictest839078-21apt-get23:13:096
70657599290,1cyclictest1-21systemd22:45:016
70657599290,1cyclictest1-21systemd21:00:016
706572992927,1cyclictest0-21swapper/523:10:035
70657299290,29cyclictest0-21swapper/522:00:015
70657299290,28cyclictest0-21swapper/500:13:095
70657299290,1cyclictest0-21swapper/519:45:015
706570992926,2cyclictest876677-21apt00:20:024
70657099290,28cyclictest0-21swapper/423:55:024
70657099290,28cyclictest0-21swapper/422:03:084
70657099290,28cyclictest0-21swapper/421:10:014
70657099290,28cyclictest0-21swapper/400:38:084
70657099290,1cyclictest769818-21cron21:05:014
70657099290,1cyclictest0-21swapper/422:25:014
70657099290,1cyclictest0-21swapper/421:33:084
706565992928,1cyclictest0-21swapper/323:25:023
706565992927,1cyclictest0-21swapper/321:35:513
706565992927,1cyclictest0-21swapper/319:15:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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