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2026-01-18 - 05:18
[ 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 rackeslot2.osadl.org (updated Sun Jan 18, 2026 00:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
255223621630,2sleep30-21swapper/321:42:553
262868921050,1sleep00-21swapper/022:24:120
265744421010,2sleep30-21swapper/322:41:233
2353172992822,2cyclictest134050irq/121-eno122:05:011
2353173992522,1cyclictest0-21swapper/200:00:012
2353173992118,1cyclictest0-21swapper/200:20:012
2353172992114,3cyclictest2610733-21runrttasks22:14:021
2353171992118,2cyclictest2498772-21ps21:12:570
2353171992116,4cyclictest2616991-21cut22:17:570
2353171992112,5cyclictest2607188-21kthreadcore22:12:560
2353171992012,4cyclictest2653086-21kthreadcore22:37:560
235317199200,15cyclictest2476941-21/usr/sbin/munin20:52:510
2649091190,2phc2sys0-21swapper/321:47:423
2649091190,2phc2sys0-21swapper/321:38:243
2649091190,2phc2sys0-21swapper/321:38:243
2353173991917,1cyclictest0-21swapper/221:45:012
2353173991916,1cyclictest0-21swapper/200:30:002
2353172991916,2cyclictest1326-21systemd-logind22:00:011
2353172991911,4cyclictest2618979-21unixbench_singl22:18:031
2353172991910,4cyclictest0-21swapper/100:15:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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