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2026-02-02 - 13:02
[ 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 Mon Feb 02, 2026 00:44:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24088998526,52cyclictest250-21systemd-journal19:25:200
24088998229,47cyclictest14-21ksoftirqd/000:00:140
24088998036,37cyclictest31667-21/usr/sbin/munin19:30:340
2408899796,64cyclictest17552-21apt-get22:00:080
2408899796,64cyclictest17552-21apt-get22:00:070
24088997936,8cyclictest14-21ksoftirqd/021:42:530
24088997930,43cyclictest250-21systemd-journal23:46:080
24088997826,46cyclictest30488-21chrt22:35:230
24088997822,50cyclictest250-21systemd-journal00:26:160
2408899767,61cyclictest5935-21apt-get00:30:160
2408899762,68cyclictest4534-21/usr/sbin/munin19:45:350
2373927618,49sleep00-21swapper/019:08:170
2408899759,51cyclictest0-21swapper/021:25:160
24088997527,41cyclictest24947-21/usr/sbin/munin22:20:220
2408899752,66cyclictest2113-21diskmemload21:10:120
24088997525,45cyclictest21185-21strings23:40:240
24088997522,47cyclictest250-21systemd-journal00:16:140
2408899748,60cyclictest0-21swapper/022:05:130
24088997420,49cyclictest2299-21seq19:37:210
2408899739,54cyclictest0-21swapper/023:30:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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