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2026-03-08 - 10:04
[ 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 rack3slot6.osadl.org (updated Sun Mar 08, 2026 00:45:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25076210216,40sleep00-21swapper/019:08:230
25076210216,40sleep00-21swapper/019:08:220
25416998947,16cyclictest26-21ksoftirqd/120:00:351
25416998664,11cyclictest501-21ntpd19:55:281
25416998546,15cyclictest26-21ksoftirqd/119:50:311
25416998345,15cyclictest26-21ksoftirqd/100:25:351
25416998250,9cyclictest26-21ksoftirqd/120:45:231
2523228121,49sleep10-21swapper/119:09:331
2523228121,49sleep10-21swapper/119:09:331
25416998055,10cyclictest6704-21telnet00:20:151
25416997642,15cyclictest24784-21sshd22:08:111
25416997553,9cyclictest26-21ksoftirqd/123:00:011
2541399737,58cyclictest8517-21apt-get22:55:110
25413997333,13cyclictest14-21ksoftirqd/000:15:000
25413997331,37cyclictest14-21ksoftirqd/022:50:170
25413997314,53cyclictest0-21swapper/000:05:120
25416997055,9cyclictest26-21ksoftirqd/122:25:311
25413997013,50cyclictest0-21swapper/022:30:150
25416996934,13cyclictest26-21ksoftirqd/100:00:011
25416996934,13cyclictest26-21ksoftirqd/100:00:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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