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2026-02-27 - 02:32
[ 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 Thu Feb 26, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
379342699111100,9cyclictest3816210-21apt-get08:20:031
37934229910599,4cyclictest3859668-21apt-get10:35:020
3793426999585,8cyclictest3861758-21/usr/sbin/munin10:40:231
3793426999282,8cyclictest3853289-21latency_hist10:15:001
3793422998978,8cyclictest3840805-21/usr/sbin/munin09:35:230
3793422997970,7cyclictest3839219-21/usr/sbin/munin09:30:220
3793422997871,5cyclictest3877665-21kworker/u8:2+flush-179:011:30:010
3793426997762,14cyclictest3808018-21kworker/u8:1+flush-179:008:10:001
3793426997669,6cyclictest3846962-21kworker/u8:3+events_unbound10:50:011
3793422997670,4cyclictest3838963-21kworker/u8:2+flush-179:009:30:000
3793422997565,7cyclictest3827579-21latency_hist08:55:010
3793422997468,4cyclictest3808018-21kworker/u8:1+events_unbound08:20:010
3793426997158,9cyclictest266-21systemd-journal07:34:561
3793422997059,8cyclictest266-21systemd-journal09:45:010
3793426996961,5cyclictest3834605-21kworker/u8:0+events_unbound09:20:011
3793422996961,6cyclictest3845326-21kworker/u8:1+flush-179:010:20:000
3793422996946,13cyclictest3856485-21latency_hist10:25:000
3793422996861,5cyclictest3869445-21kworker/u8:3+flush-179:011:15:250
3793426996759,6cyclictest3827615-21kworker/u8:1+flush-179:009:05:001
3793422996760,5cyclictest3888810-21kworker/u8:2+flush-179:012:20:000
3793426996459,4cyclictest3827615-21kworker/u8:1+flush-179:009:25:001
3793426996455,6cyclictest3838963-21kworker/u8:2+flush-179:009:55:261
3793422996458,5cyclictest3802539-21kworker/u8:2+flush-179:007:40:020
3793422996458,4cyclictest3881650-21kworker/u8:0+flush-179:012:25:580
3793422996458,4cyclictest3808018-21kworker/u8:1+flush-179:008:30:010
3793422996453,9cyclictest3793561-21apt-get07:10:100
3793426996356,4cyclictest3834605-21kworker/u8:0+flush-179:009:30:201
3793426996255,5cyclictest2609368-21kworker/u8:4+flush-179:007:25:221
3793426996252,8cyclictest3879524-21apt-get11:35:121
3793426996154,5cyclictest3798101-21apt-get07:24:591
3793426996151,8cyclictest3821200-21kworker/u8:3+flush-179:009:10:211
3793426996051,6cyclictest3872641-21latency_hist11:15:011
3793426995951,6cyclictest3869445-21kworker/u8:3+flush-179:011:05:011
3793426995950,7cyclictest3811465-21kworker/u8:0+flush-179:008:20:011
3793426995849,7cyclictest3845580-21/usr/sbin/munin09:50:241
3793422995831,14cyclictest266-21systemd-journal10:31:290
3793426995747,7cyclictest266-21systemd-journal08:13:291
3793422995746,9cyclictest3869726-21apt-get11:05:120
3793426995650,4cyclictest3846962-21kworker/u8:3+flush-179:010:35:231
3793426995649,4cyclictest3869445-21kworker/u8:3+events_unbound11:05:231
3793426995648,6cyclictest3823077-21apt-get08:40:111
3793426995647,7cyclictest3866274-21latency_hist10:55:011
3793422995647,7cyclictest3895188-21latency_hist12:25:010
3793426995549,5cyclictest3794928-21kworker/u8:1+flush-179:007:20:021
3793426995545,8cyclictest3890664-21apt-get12:10:101
3793426995545,7cyclictest3874304-21kworker/u8:0+events_unbound11:20:031
3793426995445,7cyclictest3804797-21latency_hist07:45:001
3793422995448,4cyclictest3876073-21kworker/u8:1+flush-179:011:30:200
3793422995447,5cyclictest3803258-21kworker/u8:3+flush-179:007:50:000
3793422995444,8cyclictest3800185-21apt-get07:30:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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