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2026-01-21 - 15:49
[ 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 Wed Jan 21, 2026 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35383182267189,28sleep00-21swapper/007:07:430
35381802239195,28sleep10-21swapper/107:06:171
35858592650,3sleep00-21swapper/009:05:190
353865599612,38cyclictest3684566-21apt-get11:20:110
353865599603,36cyclictest3644199-21apt-get10:25:130
353865599562,27cyclictest3658942-21apt-get10:45:140
353865599552,34cyclictest3688086-21apt-get11:25:120
179699550,6rtkit-daemon1795-21rtkit-daemon09:00:120
35992632540,7sleep00-21swapper/009:25:090
353865599547,23cyclictest3656957-21sh10:41:210
353865599542,35cyclictest3720823-21apt-get12:10:150
353865599542,33cyclictest3702716-21apt-get11:45:140
353865599540,22cyclictest3724271-21python312:15:030
179699540,4rtkit-daemon1795-21rtkit-daemon11:00:230
353865599531,34cyclictest3728272-21apt-get12:20:070
179699530,4rtkit-daemon1795-21rtkit-daemon11:19:530
179699530,4rtkit-daemon1795-21rtkit-daemon07:42:130
179699530,3rtkit-daemon1795-21rtkit-daemon10:16:000
3538655995214,26cyclictest3667972-21sh10:56:250
353865599521,34cyclictest3662686-21apt-get10:50:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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