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2026-01-27 - 19:38
[ 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 Tue Jan 27, 2026 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
371648399113102,8cyclictest3803892-21latency_hist11:40:011
37164819910797,8cyclictest3779520-21latency_hist10:25:000
37164839910288,11cyclictest266-21systemd-journal12:25:001
37164819910190,8cyclictest3766797-21latency_hist09:45:010
37164839910092,6cyclictest3765203-21latency_hist09:40:011
3716483999792,4cyclictest3754922-21kworker/u8:1+events_unbound09:30:241
3716483999690,4cyclictest3737195-21kworker/u8:2+events_unbound08:25:231
3716483999388,4cyclictest3810234-21kworker/u8:1+events_unbound12:00:211
3716481999358,32cyclictest714-21Xorg07:21:590
3716483999183,6cyclictest3754961-21apt-get09:07:301
3716483998981,6cyclictest3784542-21latency_hist10:40:021
3716483998578,6cyclictest3812096-21kworker/u8:2+events_unbound12:10:231
3716481998477,4cyclictest3737195-21kworker/u8:2+flush-179:008:25:010
3716481998377,4cyclictest3754922-21kworker/u8:1+flush-179:009:15:000
371648199831,79cyclictest1-21systemd12:10:000
3716483998075,4cyclictest3737195-21kworker/u8:2+events_unbound08:15:201
3716483998075,4cyclictest3737195-21kworker/u8:2+events_unbound08:15:201
3716481998074,4cyclictest3800491-21kworker/u8:0+flush-179:011:55:170
3716481997870,6cyclictest3819809-21latency_hist12:30:010
3716481997770,5cyclictest3722785-21kworker/u8:2+flush-179:007:50:010
3716481997769,6cyclictest3795676-21latency_hist11:15:010
3716483997672,3cyclictest3774777-21kworker/u8:1+events_unbound10:20:231
3716483997672,3cyclictest3716396-21kworker/u8:3+events_unbound07:20:191
3716481997669,4cyclictest3767032-21kworker/u8:1+events_unbound09:55:230
3716481997469,3cyclictest3754922-21kworker/u8:1+flush-179:009:07:510
3716483997365,6cyclictest3769997-21kworker/u8:3+flush-179:010:00:001
3716483997364,3cyclictest3762807-21kworker/u8:2+events_unbound10:00:181
3716481997263,7cyclictest3774740-21latency_hist10:10:020
3716483997058,9cyclictest3722785-21kworker/u8:2+events_unbound07:59:591
3716483996965,3cyclictest3792473-21kworker/u8:0+events_unbound11:10:221
3716483996961,6cyclictest3739425-21kworker/u8:0+flush-179:008:40:011
3716483996957,9cyclictest3791175-21apt-get11:00:111
3716481996960,7cyclictest3774777-21kworker/u8:1+flush-179:010:40:000
3716483996864,3cyclictest3721822-21kworker/u8:0+events_unbound07:35:211
3716483996863,3cyclictest3754922-21kworker/u8:1+flush-179:009:25:111
3716483996860,6cyclictest3789310-21latency_hist10:55:001
3716483996860,6cyclictest3730783-21latency_hist07:55:011
3716481996855,10cyclictest3802055-21apt-get11:35:000
3716483996763,3cyclictest3800491-21kworker/u8:0+events_unbound11:44:551
3716483996662,3cyclictest3736609-21kworker/u8:1+events_unbound08:30:231
3716483996560,4cyclictest3745144-21kworker/u8:2+events_unbound08:50:201
3716483996553,10cyclictest266-21systemd-journal12:10:001
3716481996558,5cyclictest3716396-21kworker/u8:3+flush-179:007:10:240
3716486996461,2cyclictest0-21swapper/211:33:592
3716483996460,3cyclictest3795657-21kworker/u8:4+events_unbound11:15:191
3716483996460,3cyclictest3716396-21kworker/u8:3+events_unbound07:15:201
3716481996458,4cyclictest3733954-21kworker/u8:0+flush-179:008:10:170
3716481996454,7cyclictest3786131-21kworker/u8:0+flush-179:010:45:220
3716481996454,7cyclictest3786131-21kworker/u8:0+flush-179:010:45:220
3716483996359,3cyclictest3800491-21kworker/u8:0+events_unbound11:55:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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