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2026-02-05 - 12:24
[ 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 100 highest latencies:
System rack3slot6.osadl.org (updated Thu Feb 05, 2026 00:44:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25882990,7sleep02586-21head19:40:160
23517998315,61cyclictest20679-21aten2.4-expect20:30:160
23517998261,12cyclictest0-21swapper/022:25:130
23517998162,10cyclictest14-21ksoftirqd/023:10:130
23517998119,55cyclictest22450-21tail20:35:150
23517997959,10cyclictest14-21ksoftirqd/022:05:120
23517997927,46cyclictest12395-21python320:05:340
23517997855,10cyclictest14-21ksoftirqd/020:10:130
23517997821,51cyclictest250-21systemd-journal21:46:150
23517997810,53cyclictest0-21swapper/021:15:120
23517997732,38cyclictest0-21swapper/023:45:130
2351799767,59cyclictest23594-21apt-get19:10:140
2351799767,58cyclictest4258-21apt-get19:45:120
23517997651,16cyclictest14-21ksoftirqd/020:00:120
23517997625,45cyclictest16891-21sshd20:19:330
23517997619,51cyclictest8427-21seq22:56:140
23517997616,20cyclictest0-21swapper/020:25:140
23517997610,58cyclictest0-21swapper/022:50:120
2303927621,44sleep10-21swapper/119:06:531
2351799753,66cyclictest250-21systemd-journal23:07:310
2351799752,45cyclictest19309-21taskset23:29:590
23517997520,50cyclictest32595-21seq19:31:070
23517997517,52cyclictest0-21swapper/019:35:110
2351799748,53cyclictest0-21swapper/000:00:120
2351799746,59cyclictest14248-21apt-get23:15:130
23517997425,43cyclictest18734-21ntp_states21:55:310
23517997421,48cyclictest448-21dbus-daemon00:09:010
23517997419,49cyclictest26399-21seq22:17:540
23517997414,54cyclictest0-21swapper/020:55:140
23517997410,51cyclictest0-21swapper/020:45:140
2351799739,54cyclictest0-21swapper/021:00:150
23517997322,46cyclictest2977-21grep21:10:300
23517997311,49cyclictest0-21swapper/000:25:130
2351799729,53cyclictest0-21swapper/022:00:120
2351799729,50cyclictest0-21swapper/000:20:120
2351799729,49cyclictest0-21swapper/023:00:140
2351799722,64cyclictest30935-21forks22:30:210
2351799719,48cyclictest0-21swapper/023:55:130
2351799719,48cyclictest0-21swapper/022:40:240
2351799718,51cyclictest0-21swapper/021:30:130
2351799717,50cyclictest10975-21apt-get21:35:120
2351799712,63cyclictest17593-21sshd21:52:320
2351799709,52cyclictest0-21swapper/022:10:130
2351799709,50cyclictest0-21swapper/000:10:120
2351799708,52cyclictest0-21swapper/021:40:130
23517997046,16cyclictest14-21ksoftirqd/022:20:250
23517997038,20cyclictest14-21ksoftirqd/020:50:150
2351799703,62cyclictest4039-21vmstat00:15:400
2351799703,61cyclictest9649-21sendmail-msp20:00:010
23517997017,48cyclictest250-21systemd-journal19:15:430
23517997010,49cyclictest0-21swapper/023:40:120
23517997010,48cyclictest0-21swapper/023:30:130
2317727021,40sleep00-21swapper/019:08:230
2351799699,52cyclictest0-21swapper/023:20:100
2351799698,51cyclictest0-21swapper/022:45:120
2351799698,51cyclictest0-21swapper/000:30:140
23517996919,44cyclictest250-21systemd-journal19:50:500
23517996918,45cyclictest9937-21aten2.4_r3power00:35:150
23517996918,45cyclictest32708-21if_enp2s022:35:230
23517996918,45cyclictest32708-21if_enp2s022:35:230
2351799689,45cyclictest0-21swapper/023:50:120
23517996810,49cyclictest0-21swapper/023:35:130
23517996810,48cyclictest0-21swapper/019:20:110
2351799678,49cyclictest0-21swapper/020:20:130
2351799675,57cyclictest0-21swapper/019:25:160
23517996738,18cyclictest14-21ksoftirqd/021:05:150
23517996711,45cyclictest0-21swapper/021:25:140
2351799669,50cyclictest0-21swapper/021:20:110
279112640,5chrt0-21swapper/120:50:181
23520996210,14cyclictest0-21swapper/122:55:121
2351799618,42cyclictest0-21swapper/020:40:130
321282570,8sleep126-21ksoftirqd/100:05:181
23520995724,14cyclictest26-21ksoftirqd/122:36:401
23520995724,14cyclictest26-21ksoftirqd/122:36:391
23520995723,21cyclictest30055-21apt-get00:00:131
23520995721,16cyclictest3042-21wc21:10:341
23520995624,17cyclictest19760-21apt-get22:00:111
23520995623,18cyclictest31151-21apt-get21:00:151
23520995618,28cyclictest3989-21apt-get21:15:111
23520995425,25cyclictest0-21swapper/119:13:051
23520995416,24cyclictest8133-21apt-get00:30:141
23520995415,25cyclictest23289-21apt-get22:10:121
23520995413,21cyclictest24432-21tr20:40:181
23520995327,19cyclictest26085-21sshd19:15:181
23520995325,14cyclictest12786-21apt-get21:40:131
23520995323,17cyclictest703-21apt-get19:35:121
23520995321,20cyclictest28837-21apt-get22:25:131
23520995321,14cyclictest26-21ksoftirqd/100:25:111
23520995320,20cyclictest17751-21apt-get23:25:121
23520995311,19cyclictest26-21ksoftirqd/121:05:211
2352099528,21cyclictest0-21swapper/119:44:401
23520995237,9cyclictest26-21ksoftirqd/123:00:191
23520995233,14cyclictest7577-21cut21:25:171
23520995218,25cyclictest16257-21apt-get21:50:111
23520995217,22cyclictest26-21ksoftirqd/122:09:251
23520995216,23cyclictest14248-21apt-get23:15:101
2352099517,12cyclictest26-21ksoftirqd/120:16:481
23520995123,21cyclictest250-21systemd-journal19:55:041
23520995123,13cyclictest14524-21apt-get21:45:121
23520995122,15cyclictest9866-21apt-get00:35:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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