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2026-02-10 - 20:28
[ 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 rackeslot3.osadl.org (updated Tue Feb 10, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2885401997236,34cyclictest2986139-21kworker/1:010:25:141
288540199620,61cyclictest0-21swapper/112:04:311
288540199620,61cyclictest0-21swapper/109:30:011
2885401996040,19cyclictest2905854-21kworker/1:108:25:151
2885401995943,15cyclictest2906509-21kworker/1:308:17:241
2885401995843,14cyclictest3084585-21kworker/1:212:23:531
2885401995843,14cyclictest2966780-21kworker/1:210:00:161
2885401995843,14cyclictest2920626-21kworker/1:109:05:011
2885401995843,14cyclictest2914806-21kworker/1:008:45:161
2885401995843,14cyclictest2896609-21kworker/1:207:48:531
2885401995843,14cyclictest2893725-21kworker/1:007:40:001
2885401995842,15cyclictest3068294-21kworker/1:112:05:141
2885401995842,15cyclictest3054512-21kworker/1:011:55:141
2885401995842,15cyclictest3013281-21kworker/1:011:03:221
2885401995841,16cyclictest2669638-1kworker/1:1H09:00:001
2885401995841,16cyclictest2669638-1kworker/1:1H07:15:151
2885401995839,18cyclictest2669638-1kworker/1:1H07:30:001
2885401995837,20cyclictest2905854-21kworker/1:108:30:171
2885401995836,20cyclictest2669638-1kworker/1:1H11:05:171
2885401995742,14cyclictest3098185-21kworker/1:212:34:311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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