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2026-02-28 - 18:55
[ 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 50 highest latencies:
System rackeslot6.osadl.org (updated Sat Feb 28, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
94887399111100,8cyclictest1044239-21latency_hist12:05:000
9488739910596,7cyclictest964076-21kworker/u8:0+flush-179:008:35:000
948873999484,7cyclictest969971-21/usr/sbin/munin08:15:240
948875999384,6cyclictest1025146-21latency_hist11:05:001
948875999183,5cyclictest969733-21latency_hist08:15:011
948873998980,6cyclictest959956-21apt-get07:45:010
948875998876,9cyclictest951956-21latency_hist07:20:001
948875997868,7cyclictest1012152-21latency_hist10:25:011
948875997770,5cyclictest266-21systemd-journal09:20:001
948873997767,7cyclictest1023279-21latency_hist11:00:020
948873997665,8cyclictest1005529-21latency_hist10:05:010
948875997453,19cyclictest1030181-21apt-get11:20:111
948875997062,6cyclictest965023-21kworker/u8:1+events_unbound08:30:011
948875997062,6cyclictest965023-21kworker/u8:1+events_unbound08:30:011
948875997061,6cyclictest1041045-21latency_hist11:55:001
948875996958,8cyclictest1053785-21apt-get12:35:001
948875996860,6cyclictest1028315-21latency_hist11:15:011
948875996860,5cyclictest1013738-21latency_hist10:30:001
948873996863,4cyclictest1027766-21kworker/u8:1+flush-179:011:20:250
94887899670,64cyclictest0-21swapper/207:45:002
948875996759,6cyclictest1016924-21latency_hist10:40:011
948875996742,11cyclictest266-21systemd-journal09:40:001
948875996656,7cyclictest1050601-21latency_hist12:25:011
948875996656,7cyclictest1034683-21latency_hist11:35:011
948873996558,5cyclictest993866-21latency_hist09:30:000
948873996354,7cyclictest266-21systemd-journal08:36:270
948873996254,6cyclictest947451-21kworker/u8:0+flush-179:007:10:200
948873996151,8cyclictest1047664-21apt-get12:15:110
948873996150,9cyclictest995469-21apt-get09:35:000
948873996051,7cyclictest1038948-21kworker/u8:2+flush-179:012:10:200
948875995846,9cyclictest510-21rs:main1
948873995849,7cyclictest266-21systemd-journal09:25:000
948875995748,7cyclictest1034939-21apt-get11:35:091
948875995747,7cyclictest964076-21kworker/u8:0+flush-179:008:20:001
948875995652,3cyclictest1015302-21kworker/u8:2+flush-179:010:40:251
948875995645,9cyclictest959944-21latency_hist07:45:001
948873995626,17cyclictest1036271-21latency_hist11:40:010
948875995541,11cyclictest266-21systemd-journal10:50:011
948875995447,6cyclictest993851-21kworker/u8:0+flush-179:009:30:211
948875995446,4cyclictest1015302-21kworker/u8:2+events_unbound10:50:241
948873995447,5cyclictest1038948-21kworker/u8:2+events_unbound11:45:240
948875995345,5cyclictest947451-21kworker/u8:0+events_unbound07:10:241
948875995345,5cyclictest1027766-21kworker/u8:1+flush-179:012:20:001
948875995343,8cyclictest266-21systemd-journal07:35:011
948873995344,7cyclictest1039697-21/usr/sbin/munin11:50:240
948873995342,9cyclictest1002313-21/usr/sbin/munin09:55:230
948875995243,7cyclictest1023283-21apt-get11:00:001
948873995245,5cyclictest985399-21kworker/u8:0+flush-179:009:05:240
948873995133,16cyclictest1025156-21ls11:05:000
948875995041,8cyclictest964076-21kworker/u8:0+flush-179:008:05:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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