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2026-02-21 - 09:09
[ 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 rackcslot4.osadl.org (updated Sat Feb 21, 2026 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
327583923650,16sleep0161rcuc/019:05:290
32763322259192,53sleep10-21swapper/119:08:131
33952982850,4sleep0161rcuc/022:45:010
179699760,4rtkit-daemon1795-21rtkit-daemon23:05:170
179699740,4rtkit-daemon1795-21rtkit-daemon00:16:480
179699720,4rtkit-daemon1795-21rtkit-daemon23:56:080
179699700,3rtkit-daemon1795-21rtkit-daemon23:34:100
179699690,3rtkit-daemon1795-21rtkit-daemon20:02:440
179699680,3rtkit-daemon1795-21rtkit-daemon19:10:130
33579682640,1sleep10-21swapper/121:52:151
34452842560,8sleep013-21ksoftirqd/023:54:420
3276661995614,29cyclictest3329793-21uniq21:15:181
3276661995521,10cyclictest3325001-21diskmemload22:30:241
3276661995519,12cyclictest3297817-21apt-get20:00:221
3276661995417,8cyclictest1-21systemd20:35:001
3276661995417,8cyclictest1-21systemd00:25:011
3276661995414,11cyclictest3290488-21grep19:40:221
3276661995313,11cyclictest3317177-21latency_hist20:50:011
3276661995215,11cyclictest3445473-21systemd-run23:55:011
3276661995214,9cyclictest3462189-21cat00:20:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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