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2026-01-23 - 22:59
[ 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 rackdslot3.osadl.org (updated Fri Jan 23, 2026 12:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491207173,23phc2sys0-21swapper/307:08:443
291582205172,22sleep10-21swapper/107:09:041
290962200166,23sleep00-21swapper/007:08:220
289912199166,22sleep20-21swapper/207:07:002
742921680,6sleep02966699cyclictest11:15:010
139391580,1ptp4l401ktimersoftd/310:48:093
114832580,6sleep32967099cyclictest12:30:013
65302570,2sleep00-21swapper/009:40:260
139391550,47ptp4l0-21swapper/307:10:023
2966699533,17cyclictest207-21systemd-journal11:40:010
139391530,0ptp4l401ktimersoftd/311:25:113
183882520,2sleep30-21swapper/310:05:243
29666994740,4cyclictest10353-21cron08:45:000
2966699473,11cyclictest1185-21awk09:30:210
2966699470,13cyclictest14638-21apt-get11:30:110
2966699470,11cyclictest18039-21missed_timers11:35:200
2966699452,7cyclictest2518-21gnome-shell09:58:590
125472450,2sleep20-21swapper/211:25:142
2966699442,8cyclictest15344-21apt08:55:110
139391440,0ptp4l401ktimersoftd/310:20:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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