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2026-03-01 - 13:15
[ 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 rackdslot2.osadl.org (updated Sat Feb 28, 2026 12:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
55322220164,45sleep10-21swapper/107:07:591
139591213168,33phc2sys0-21swapper/307:06:073
54902206173,22sleep20-21swapper/207:07:282
55562200167,22sleep00-21swapper/007:08:190
227722680,8sleep1598399cyclictest07:45:141
70292630,4sleep00-21swapper/007:10:190
139291630,1ptp4l401ktimersoftd/309:12:043
260102530,4sleep326018-21idleruntime-cro09:00:013
27462520,2sleep10-21swapper/109:15:271
139291430,0ptp4l401ktimersoftd/311:46:423
139291430,0ptp4l401ktimersoftd/311:40:233
5984994237,3cyclictest5885-21cron11:40:002
139291420,0ptp4l401ktimersoftd/310:50:363
139291420,0ptp4l401ktimersoftd/310:39:463
139291410,0ptp4l401ktimersoftd/309:32:513
139291400,1ptp4l401ktimersoftd/311:55:153
5985993933,3cyclictest23445-21grep12:15:183
5983993933,3cyclictest25-21ksoftirqd/110:15:001
5982993934,3cyclictest9-21ksoftirqd/011:20:000
5982993931,5cyclictest9-21ksoftirqd/011:55:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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