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2026-02-23 - 17:12
[ 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 23, 2026 12:45:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19335210432,18sleep10-21swapper/107:09:011
19548999451,38cyclictest14-21ksoftirqd/012:05:140
1954899807,64cyclictest21316-21apt-get11:45:110
1954899805,69cyclictest66-21kswapd008:00:160
1954899799,57cyclictest20353-21apt-get08:40:130
191662785,60sleep0500-21snmpd07:07:440
19555997730,29cyclictest0-21swapper/108:40:131
19548997756,10cyclictest14-21ksoftirqd/011:10:130
19548997749,17cyclictest0-21swapper/011:15:150
19548997749,17cyclictest0-21swapper/011:15:140
19548997729,42cyclictest250-21systemd-journal09:02:540
19548997726,20cyclictest14-21ksoftirqd/012:30:150
19548997726,20cyclictest14-21ksoftirqd/012:30:140
19548997723,48cyclictest250-21systemd-journal09:17:570
19548997655,14cyclictest0-21swapper/011:55:130
1954899758,53cyclictest0-21swapper/010:50:130
1954899758,52cyclictest0-21swapper/008:25:120
1954899753,66cyclictest14791-21apt-get09:55:130
19548997533,37cyclictest548-21runrttasks07:50:490
19548997527,42cyclictest12293-21aten2.4_r3power11:20:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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