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2026-02-02 - 22:24
[ 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 Mon Feb 02, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22645499770,58cyclictest364080-21tune2fs11:20:162
226454997658,18cyclictest281652-21/usr/sbin/munin08:50:192
226452997675,1cyclictest0-21swapper/011:40:110
226454997316,38cyclictest776-21dbus-daemon09:10:002
226454997314,19cyclictest387638-21kworker/u32:1-events_unbound12:10:122
226454997254,18cyclictest101850irq/42-eno2-TxRx-309:30:202
226454997233,39cyclictest0-21swapper/208:31:532
226454997131,39cyclictest0-21swapper/211:58:362
226454997112,19cyclictest0-21swapper/210:45:152
22645499688,59cyclictest332972-21ps10:20:212
22645599658,18cyclictest0-21swapper/309:05:163
22645899630,62cyclictest0-21swapper/607:25:166
226454996325,19cyclictest285570-21ntpq08:55:182
22645499612,39cyclictest256376-21apt-get08:05:002
22645499591,39cyclictest337175-21aten2.4-expect10:30:122
22645499591,19cyclictest0-21swapper/211:32:382
22645499590,39cyclictest243186-21taskset07:40:052
226454995819,39cyclictest242361-21users07:35:242
226454995819,39cyclictest0-21swapper/211:49:282
22645499580,39cyclictest335520-21gcc10:25:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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