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2026-01-20 - 12:16
[ 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 rackfslot7.osadl.org (updated Tue Jan 20, 2026 00:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2142446999797,0cyclictest0-21swapper/400:00:344
2142445998527,39cyclictest2198114-21df20:50:143
2142444997840,19cyclictest0-21swapper/221:55:172
2142445997733,40cyclictest2214788-21cut21:20:153
2142445997618,19cyclictest90650irq/68-eno6-TxRx-619:20:203
2142445997534,19cyclictest2322719-21hddtemp_smartct00:35:133
2142445997455,18cyclictest0-21swapper/322:35:203
2142445997333,19cyclictest2178980-21expr20:15:143
2142445997315,39cyclictest90650irq/68-eno6-TxRx-623:48:033
2142445997254,0cyclictest0-21swapper/320:05:203
2142445997215,38cyclictest90650irq/68-eno6-TxRx-619:35:083
2142445997214,39cyclictest90650irq/68-eno6-TxRx-622:30:293
2142445997113,39cyclictest2286266-21apt-get23:30:113
2142448997030,19cyclictest0-21swapper/619:25:176
2142445997031,2cyclictest0-21swapper/322:12:463
2142445996931,19cyclictest2153696-21/usr/sbin/munin19:30:163
2142445996930,0cyclictest2165651-21lpstat19:50:193
2142442996911,19cyclictest0-21swapper/020:00:150
2142445996828,19cyclictest0-21swapper/319:11:143
214244599679,39cyclictest2248124-21awk22:20:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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