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2026-02-27 - 07:45
[ 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 Fri Feb 27, 2026 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19364912261195,51sleep00-21swapper/019:08:440
19362032260193,53sleep10-21swapper/119:05:391
21066222630,1sleep10-21swapper/123:56:041
21066222630,1sleep10-21swapper/123:56:031
193675899562,5cyclictest2058114-21apt-get22:50:111
193675899561,6cyclictest2094273-21apt-get23:40:111
20713102540,3sleep00-21swapper/023:07:220
193675899543,7cyclictest2032372-21apt-get22:15:151
193675899542,8cyclictest1996200-21apt-get21:25:131
193675899542,6cyclictest2083699-21apt-get23:25:141
193675899542,5cyclictest1961464-21cnf-update-db20:10:081
193675899541,6cyclictest2112089-21apt-get00:05:131
193675899541,5cyclictest2047042-21apt-get22:35:131
193675899531,6cyclictest2124289-21apt-get00:25:131
193675399533,8cyclictest2039642-21apt-get22:25:130
193675399533,8cyclictest2010633-21apt-get21:45:120
19909702520,4sleep10-21swapper/121:17:001
193675899521,10cyclictest2093862-21ssh23:39:441
179699520,3rtkit-daemon0-21swapper/019:41:590
193675899512,6cyclictest2117935-21apt-get00:15:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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