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2026-01-24 - 01:28
[ 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 50 highest latencies:
System rackeslot6.osadl.org (updated Fri Jan 23, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9356819910897,8cyclictest1000577-21latency_hist10:40:011
9356799910292,6cyclictest1008018-21latency_hist11:20:010
935679999681,5cyclictest974558-21kworker/u8:1+events_unbound09:10:230
935679999681,5cyclictest974558-21kworker/u8:1+events_unbound09:10:220
935679999584,4cyclictest995284-21kworker/u8:1+events_unbound10:15:230
935681999371,20cyclictest1004579-21apt-get11:05:001
935679999382,8cyclictest1004572-21latency_hist11:05:010
935679999280,10cyclictest266-21systemd-journal10:30:010
935679999280,10cyclictest266-21systemd-journal10:30:000
935679999080,8cyclictest1004842-21latency_hist11:10:010
935681998476,6cyclictest996863-21latency_hist10:20:021
935679998475,7cyclictest1000313-21latency_hist10:35:000
935681998377,4cyclictest977807-21kworker/u8:0+events_unbound09:35:241
935679998379,3cyclictest1014452-21kworker/u8:3+flush-179:011:40:230
935679998379,3cyclictest1014452-21kworker/u8:3+flush-179:011:40:230
935681998176,3cyclictest933293-21kworker/u8:0+events_unbound07:25:231
935681998075,3cyclictest976145-21kworker/u8:2+events_unbound09:45:231
935679997974,4cyclictest966114-21kworker/u8:0+events_unbound08:45:230
935681997872,4cyclictest1004612-21kworker/u8:3+flush-179:011:20:241
935681997667,6cyclictest976145-21kworker/u8:2+flush-179:009:55:211
935681997666,7cyclictest943522-21latency_hist07:35:011
935681997666,7cyclictest943522-21latency_hist07:35:011
935681997662,5cyclictest976145-21kworker/u8:2+flush-179:009:19:591
935679997565,8cyclictest935805-21/usr/sbin/munin07:10:230
935679997465,7cyclictest946755-21latency_hist07:45:000
935679997465,3cyclictest966114-21kworker/u8:0+events_unbound08:55:240
935681997367,4cyclictest940384-21kworker/u8:1+flush-179:007:39:591
935679997369,3cyclictest977807-21kworker/u8:0+events_unbound09:25:200
935679997367,5cyclictest976197-21kworker/u8:3+events_unbound09:20:230
935679997267,4cyclictest976197-21kworker/u8:3+events_unbound10:00:220
935679997267,4cyclictest933293-21kworker/u8:0+events_unbound07:45:240
935679997265,5cyclictest954717-21http08:10:010
935681997165,4cyclictest933293-21kworker/u8:0+events_unbound08:10:021
935681997164,4cyclictest948557-21/usr/sbin/munin07:50:221
935681997162,6cyclictest938765-21latency_hist07:20:011
935681997159,5cyclictest1030361-21kworker/u8:2+events_unbound12:40:001
935679997166,4cyclictest1023934-21kworker/u8:0+flush-179:012:25:410
935679997064,4cyclictest945174-21kworker/u8:3+events_unbound07:50:140
935681996963,5cyclictest1011190-21kworker/u8:0+flush-179:011:35:001
935681996962,4cyclictest1023934-21kworker/u8:0+events_unbound12:20:131
935681996958,9cyclictest966112-21apt-get08:45:001
935679996964,3cyclictest1020731-21kworker/u8:0+events_unbound12:00:190
935681996762,4cyclictest1020739-21kworker/u8:3+flush-179:012:14:561
935681996758,7cyclictest992333-21/usr/sbin/munin10:05:231
935679996763,3cyclictest919318-21kworker/u8:2+flush-179:007:55:210
935679996763,3cyclictest919318-21kworker/u8:2+flush-179:007:55:200
935679996762,4cyclictest1011190-21kworker/u8:0+flush-179:011:30:260
935679996759,3cyclictest959784-21kworker/u8:2+events_unbound08:25:190
935681996661,4cyclictest977807-21kworker/u8:0+events_unbound09:30:231
935679996661,4cyclictest1011190-21kworker/u8:0+flush-179:011:35:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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