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2026-02-05 - 12:55
[ 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 Thu Feb 05, 2026 00:44:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25882990,7sleep02586-21head19:40:160
23517998315,61cyclictest20679-21aten2.4-expect20:30:160
23517998261,12cyclictest0-21swapper/022:25:130
23517998162,10cyclictest14-21ksoftirqd/023:10:130
23517998119,55cyclictest22450-21tail20:35:150
23517997959,10cyclictest14-21ksoftirqd/022:05:120
23517997927,46cyclictest12395-21python320:05:340
23517997855,10cyclictest14-21ksoftirqd/020:10:130
23517997821,51cyclictest250-21systemd-journal21:46:150
23517997810,53cyclictest0-21swapper/021:15:120
23517997732,38cyclictest0-21swapper/023:45:130
2351799767,59cyclictest23594-21apt-get19:10:140
2351799767,58cyclictest4258-21apt-get19:45:120
23517997651,16cyclictest14-21ksoftirqd/020:00:120
23517997625,45cyclictest16891-21sshd20:19:330
23517997619,51cyclictest8427-21seq22:56:140
23517997616,20cyclictest0-21swapper/020:25:140
23517997610,58cyclictest0-21swapper/022:50:120
2303927621,44sleep10-21swapper/119:06:531
2351799753,66cyclictest250-21systemd-journal23:07:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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