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2026-03-05 - 17:06
[ 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 Thu Mar 05, 2026 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22446322286209,28sleep10-21swapper/107:06:521
22446822257197,45sleep00-21swapper/007:07:230
224505499662,44cyclictest2389565-21apt-get11:20:121
224505499641,42cyclictest2418303-21apt-get12:00:111
23009642620,2sleep10-21swapper/109:17:161
224505499621,42cyclictest2374845-21apt-get11:00:121
224505499621,35cyclictest2432413-21apt-get12:20:131
224505499581,39cyclictest2349373-21apt-get10:25:131
224505499581,38cyclictest2352850-21apt-get10:30:131
23102342570,4sleep12310233-21irqstats09:30:191
224505499572,38cyclictest2294906-21apt-get09:10:131
224505099572,13cyclictest2313376-21apt-get09:35:140
224505499562,36cyclictest2363630-21apt-get10:45:131
224505499560,5cyclictest2400840-21/usr/sbin/munin11:35:191
179699550,3rtkit-daemon0-21swapper/010:01:170
224505499549,26cyclictest2249897-21df07:20:131
224505499547,26cyclictest2292543-21taskset09:03:391
224505499540,5cyclictest2372535-21cat10:55:231
179699540,2rtkit-daemon0-21swapper/010:32:450
224505499531,37cyclictest2294636-21diskmemload11:29:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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