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2026-02-05 - 00:35
[ 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 Wed Feb 04, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
928962999383,8cyclictest1032611-21/usr/sbin/munin12:35:231
928962999283,7cyclictest967369-21latency_hist09:10:001
928962998676,7cyclictest266-21systemd-journal07:19:591
928962998371,6cyclictest1019124-21latency_hist11:55:011
928960998373,7cyclictest959421-21latency_hist08:45:010
928960998373,7cyclictest959421-21latency_hist08:45:000
928960998372,7cyclictest996302-21kworker/u8:1+flush-179:010:40:260
928962998277,4cyclictest951254-21kworker/u8:3+flush-179:008:30:001
928960998274,5cyclictest967623-21apt-get09:10:120
928962998175,4cyclictest982760-21kworker/u8:0+flush-179:010:15:231
928962998175,4cyclictest933908-21kworker/u8:2+flush-179:007:30:251
928962998067,11cyclictest946406-21kworker/u8:2+flush-179:009:55:011
928960998071,6cyclictest1033980-21latency_hist12:40:000
928962997972,5cyclictest271837-21kworker/u8:0+flush-179:007:25:001
928960997964,7cyclictest965786-21latency_hist09:05:010
928962997871,5cyclictest1013810-21kworker/u8:3+flush-179:011:34:561
928962997871,4cyclictest946406-21kworker/u8:2+flush-179:009:20:251
928962997568,5cyclictest1004268-21kworker/u8:0+events_unbound11:10:241
928962997565,8cyclictest1023914-21apt-get12:10:001
928960997565,8cyclictest985137-21latency_hist10:05:010
928960997464,8cyclictest991501-21apt-get10:21:330
928962997363,7cyclictest1004286-21latency_hist11:05:001
928962997265,5cyclictest968935-21kworker/u8:1+flush-179:009:30:221
928962997265,5cyclictest1017518-21kworker/u8:2+flush-179:012:00:211
928962997264,5cyclictest998159-21/usr/sbin/munin10:45:251
928962997263,6cyclictest968935-21kworker/u8:1+flush-179:009:25:201
928960997262,8cyclictest1001328-21/usr/sbin/munin10:55:240
928962997163,6cyclictest1002686-21latency_hist11:00:011
928962996963,5cyclictest946406-21kworker/u8:2+flush-179:008:40:251
928962996963,5cyclictest946406-21kworker/u8:2+flush-179:008:40:251
928962996861,5cyclictest946406-21kworker/u8:2+flush-179:009:40:231
928962996861,4cyclictest1023882-21kworker/u8:1+flush-179:012:10:221
928962996759,5cyclictest1015422-21latency_hist11:40:011
928960996652,11cyclictest266-21systemd-journal08:25:000
92896099650,62cyclictest0-21swapper/007:33:590
928962996457,4cyclictest938434-21kworker/u8:0+flush-179:008:00:241
928962996456,5cyclictest997921-21latency_hist10:45:011
928962996357,4cyclictest994710-21kworker/u8:2+flush-179:010:35:211
928962996356,5cyclictest1008513-21kworker/u8:2+flush-179:011:20:191
928962996255,5cyclictest955952-21kworker/u8:1+events_unbound08:35:021
928962996252,7cyclictest946406-21kworker/u8:2+flush-179:008:10:201
928962996156,4cyclictest938434-21kworker/u8:0+flush-179:007:39:551
928962996156,3cyclictest975311-21kworker/u8:3+flush-179:009:35:221
928962996152,6cyclictest938434-21kworker/u8:0+events_unbound07:45:191
928960996153,6cyclictest986976-21apt-get10:10:120
928960996153,6cyclictest938472-21latency_hist07:40:010
928962996057,1cyclictest1012237-21latency_hist11:30:011
928960996054,4cyclictest941629-21kworker/u8:1+flush-179:007:55:270
928960996054,4cyclictest941629-21kworker/u8:1+flush-179:007:55:260
928960996051,7cyclictest946406-21kworker/u8:2+flush-179:008:30:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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