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2026-01-21 - 05:37
[ 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 rackeslot2.osadl.org (updated Wed Jan 21, 2026 00:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
34921622010,2sleep30-21swapper/322:27:563
41150921030,2sleep30-21swapper/323:02:553
1596592990,2sleep30-21swapper/320:32:493
5595842940,2sleep30-21swapper/300:27:513
5224362910,1sleep00-21swapper/000:06:560
5363132450,0sleep1536317-21tr00:12:541
2139032360,1sleep0213906-21cut21:12:540
2139032360,1sleep0213906-21cut21:12:540
5888099285,7cyclictest0-21swapper/222:50:012
988922270,1sleep098883-21if_enp1s019:42:490
5888099261,9cyclictest0-21swapper/220:30:012
5887999250,23cyclictest257-21systemd-journal22:50:001
58878992516,5cyclictest404549-21latency_hist23:00:010
5887899241,4cyclictest104136-21apt-get19:47:450
58878992413,6cyclictest372710-21kthreadcore22:42:520
58878992315,4cyclictest437456-21kthreadcore23:17:520
5887999213,11cyclictest1290-21dbus-daemon23:15:011
58879992113,3cyclictest0-21swapper/123:35:001
58878992118,2cyclictest1290-21dbus-daemon20:35:010
58880992017,1cyclictest0-21swapper/221:30:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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