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2026-02-28 - 10:43
[ 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 376 highest latencies:
System rackeslot6.osadl.org (updated Sat Feb 28, 2026 00:44:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
374626999117106,8cyclictest3843291-21latency_hist00:10:011
37462699910189,9cyclictest3804215-21latency_hist22:10:001
3746269999889,7cyclictest3757334-21kworker/u8:3+flush-179:019:55:001
3746269999785,9cyclictest3808887-21apt-get22:20:221
3746269999585,8cyclictest3820432-21apt-get23:00:001
3746269999081,7cyclictest3806093-21kworker/u8:2+flush-179:022:20:001
3746267998964,14cyclictest3844875-21latency_hist00:15:010
3746269998676,7cyclictest3812479-21latency_hist22:35:011
3746267998676,8cyclictest3849947-21kworker/u8:2+flush-179:000:30:010
3746267998676,8cyclictest3849947-21kworker/u8:2+flush-179:000:30:000
3746269998575,7cyclictest3835285-21latency_hist23:45:011
3746269998575,7cyclictest3835285-21latency_hist23:45:001
3746269998478,5cyclictest3770324-21kworker/u8:2+flush-179:021:05:251
3746269998372,8cyclictest3754106-21latency_hist19:35:021
3746267998170,8cyclictest3780062-21/usr/sbin/munin20:55:230
3746267998066,11cyclictest266-21systemd-journal19:15:000
3746269997969,7cyclictest3768702-21latency_hist20:20:011
3746269997871,5cyclictest3776654-21latency_hist20:45:011
3746269997870,6cyclictest3770324-21kworker/u8:2+events_unbound20:30:001
3746269997870,6cyclictest3770324-21kworker/u8:2+events_unbound20:30:001
3746267997852,15cyclictest3784603-21latency_hist21:10:010
3746267997745,23cyclictest3840318-21/usr/sbin/munin00:00:240
3746269997566,5cyclictest3841687-21kworker/u8:2+flush-179:000:15:211
3746267997464,7cyclictest3838453-21latency_hist23:55:010
3746267997359,10cyclictest266-21systemd-journal20:34:590
3746269997261,8cyclictest3820945-21/usr/sbin/munin23:00:221
3746267997262,7cyclictest3806057-21latency_hist22:15:010
3746269997061,6cyclictest3762069-21latency_hist20:00:011
3746267997056,11cyclictest3804226-21apt-get22:10:000
3746269996956,10cyclictest266-21systemd-journal21:50:001
3746267996940,20cyclictest3787789-21turbostat21:24:540
3746269996861,4cyclictest3833662-21kworker/u8:0+flush-179:000:20:211
3746269996757,6cyclictest3766835-21latency_hist20:15:001
3746269996659,5cyclictest3748404-21kworker/u8:2+flush-179:019:35:241
3746269996659,5cyclictest3748404-21kworker/u8:2+flush-179:019:35:241
3746269996658,5cyclictest3763664-21latency_hist20:05:021
3746269996651,13cyclictest3782094-21kworker/u8:0+flush-179:021:05:001
3746269996454,7cyclictest3830503-21latency_hist23:30:001
374626999640,63cyclictest0-21swapper/121:39:591
3746267996461,2cyclictest0-21swapper/022:37:580
374626799641,59cyclictest3820537-21unin-run23:00:000
3746273996356,5cyclictest3763687-21turbostat20:05:003
3746269996357,3cyclictest3822330-21kworker/u8:1+flush-179:023:55:021
3746269996357,3cyclictest3822330-21kworker/u8:1+flush-179:023:55:011
3746269996354,6cyclictest3822330-21kworker/u8:1+flush-179:023:10:211
3746267996354,7cyclictest3840110-21cupsd00:00:010
3746267996354,7cyclictest3840110-21cupsd00:00:000
374627399610,1cyclictest0-21swapper/321:24:593
3746269996156,4cyclictest3797382-21kworker/u8:0+flush-179:022:04:551
3746269996156,4cyclictest3797382-21kworker/u8:0+flush-179:022:04:551
3746269996155,4cyclictest3787751-21kworker/u8:2+events_unbound21:20:001
3746269996153,6cyclictest3832091-21latency_hist23:35:011
3746267996149,9cyclictest266-21systemd-journal20:20:260
3746269996048,9cyclictest266-21systemd-journal00:29:591
3746269996048,9cyclictest266-21systemd-journal00:29:591
3746269995951,6cyclictest3825509-21kworker/u8:2+flush-179:023:50:001
3746269995949,7cyclictest3756245-21kworker/u8:0+flush-179:019:40:221
3746267995948,9cyclictest3767332-21/usr/sbin/munin20:15:220
3746269995852,4cyclictest3833662-21kworker/u8:0+flush-179:000:00:161
3746269995852,4cyclictest3797382-21kworker/u8:0+flush-179:021:55:191
3746269995851,5cyclictest3787834-21kworker/u8:3+flush-179:021:35:001
3746269995749,6cyclictest3775058-21latency_hist20:40:011
3746269995650,4cyclictest3756245-21kworker/u8:0+flush-179:019:45:021
3746267995445,7cyclictest3843324-21kworker/u8:3+flush-179:000:20:000
3746267995442,9cyclictest266-21systemd-journal19:50:010
3746269995346,5cyclictest3792550-21kworker/u8:1+flush-179:021:44:561
3746267995349,3cyclictest3792550-21kworker/u8:1+flush-179:022:03:270
3746267995349,3cyclictest3792550-21kworker/u8:1+flush-179:022:03:270
3746267995349,3cyclictest3792550-21kworker/u8:1+flush-179:021:40:270
3746267995342,8cyclictest3792550-21kworker/u8:1+events_unbound22:25:010
3746269995245,5cyclictest3746413-21kworker/u8:1+flush-179:019:20:001
3746269995244,6cyclictest3825509-21kworker/u8:2+events_unbound23:35:231
3746269995238,5cyclictest3814050-21kworker/u8:2+events_unbound22:55:011
3746267995246,4cyclictest3760724-21apt-get19:55:110
3746267995246,4cyclictest1-21systemd20:07:280
3746267995143,5cyclictest3792557-21latency_hist21:35:010
3746269994943,4cyclictest3765285-21kworker/u8:3+flush-179:020:24:561
3746267994939,8cyclictest3765505-21apt-get20:10:120
4577091480,14ptp4l61490irq/134-eno1-TxRx-019:10:003
3746269994843,4cyclictest3764328-21kworker/u8:2+events_unbound20:05:201
3746269994841,5cyclictest3833662-21kworker/u8:0+flush-179:000:10:191
3746267994843,3cyclictest3843329-21systemd-run00:10:000
3746267994841,5cyclictest3776689-21kworker/u8:1+flush-179:020:55:010
3746267994841,5cyclictest3776689-21kworker/u8:1+flush-179:020:55:000
3746267994839,6cyclictest3814050-21kworker/u8:2+flush-179:022:50:230
3746269994733,5cyclictest3814050-21kworker/u8:2+flush-179:022:40:001
374626799460,27cyclictest0-21swapper/021:55:110
3746272994542,2cyclictest0-21swapper/222:39:592
3746267994541,3cyclictest3822333-21systemd-run23:05:000
3746267994538,5cyclictest3808706-21kworker/u8:0+flush-179:022:25:150
3746269994440,3cyclictest3779862-21systemd-run20:55:021
3746269994440,3cyclictest3779862-21systemd-run20:55:011
3746269994438,5cyclictest3787751-21kworker/u8:2+events_unbound21:25:221
3746267994426,17cyclictest0-21swapper/023:16:590
3746267994426,15cyclictest3815928-21apt-get22:45:120
3746267994339,3cyclictest3832128-21systemd-run23:35:000
3746269994234,5cyclictest3770324-21kworker/u8:2+events_unbound20:30:151
3746269994234,5cyclictest3746413-21kworker/u8:1+events_unbound19:10:251
3746267994231,9cyclictest266-21systemd-journal21:19:590
3746267994227,13cyclictest714-21Xorg23:35:590
3746267994226,15cyclictest0-21swapper/021:10:130
374626799420,19cyclictest3776667-21awk20:45:010
3746267994133,6cyclictest3849947-21kworker/u8:2+flush-179:000:30:200
3746272994037,2cyclictest0-21swapper/222:13:592
3746272994037,2cyclictest0-21swapper/200:12:592
3746269994036,2cyclictest3781431-21grep21:00:001
374626999400,38cyclictest908065-21snmpd19:20:581
3746267994035,3cyclictest714-21Xorg23:26:000
3746267994014,24cyclictest3777022-21grep20:45:130
3746273993934,4cyclictest3807655-21turbostat22:20:003
374627299390,36cyclictest0-21swapper/222:59:562
3746269993935,3cyclictest3748404-21kworker/u8:2+flush-179:019:29:561
374626999390,37cyclictest714-21Xorg20:45:591
374626999390,37cyclictest3828934-21dump-pmu-power23:25:001
3746267993935,3cyclictest3835281-21cron23:45:000
3746267993935,3cyclictest3835281-21cron23:45:000
3746267993931,5cyclictest3853103-21latency_hist00:40:010
3746267993929,7cyclictest3760469-21latency_hist19:55:020
3746267993923,14cyclictest0-21swapper/023:10:120
374626799391,2cyclictest714-21Xorg19:21:590
3746272993835,2cyclictest0-21swapper/219:21:592
374627299380,36cyclictest0-21swapper/222:00:592
374627299380,36cyclictest0-21swapper/222:00:592
374627299380,35cyclictest0-21swapper/223:04:582
3746269993832,5cyclictest3785268-21kworker/u8:1+flush-179:021:10:211
3746269993830,6cyclictest3814050-21kworker/u8:2+flush-179:022:50:011
3746269993828,7cyclictest3827056-21latency_hist23:20:011
374626999381,34cyclictest3804226-21apt-get22:10:031
3746267993834,3cyclictest3749355-21ls19:20:000
3746267993824,12cyclictest3755384-21switchtime19:35:240
3746267993824,12cyclictest3755384-21switchtime19:35:230
3746267993820,15cyclictest3815672-21latency_hist22:45:010
3746272993734,2cyclictest0-21swapper/200:24:552
374627299370,35cyclictest0-21swapper/200:08:592
3746269993734,2cyclictest0-21swapper/122:44:591
374626999370,35cyclictest1-21systemd21:25:011
3746267993731,5cyclictest3770321-21kworker/u8:1+flush-179:020:29:560
3746267993731,5cyclictest3770321-21kworker/u8:1+flush-179:020:29:550
3746267993729,6cyclictest3794143-21latency_hist21:40:010
3746267993728,7cyclictest3795985-21/usr/sbin/munin21:45:220
3746267993723,13cyclictest3752015-21phc2sys19:25:210
374626799370,35cyclictest1-21systemd23:49:590
3746273993635,1cyclictest0-21swapper/321:29:593
374627399360,35cyclictest0-21swapper/322:44:553
374627399360,35cyclictest0-21swapper/321:42:593
374627399360,35cyclictest0-21swapper/321:17:583
3746272993633,2cyclictest0-21swapper/221:34:552
3746272993633,2cyclictest0-21swapper/219:39:562
3746272993633,2cyclictest0-21swapper/219:39:552
374627299360,1cyclictest0-21swapper/221:54:552
3746269993628,6cyclictest3848992-21kworker/u8:1+flush-179:000:40:001
3746267993631,4cyclictest3770324-21kworker/u8:2+flush-179:021:00:160
3746267993619,16cyclictest484-21dbus-daemon19:35:010
3746273993533,1cyclictest0-21swapper/321:00:593
3746273993533,1cyclictest0-21swapper/320:12:003
3746273993533,1cyclictest0-21swapper/300:19:593
3746272993532,2cyclictest0-21swapper/219:34:552
3746272993532,1cyclictest0-21swapper/223:35:002
374627299350,1cyclictest0-21swapper/223:51:592
374627299350,1cyclictest0-21swapper/223:48:592
374627299350,1cyclictest0-21swapper/220:44:552
3746269993529,5cyclictest3822271-21kworker/u8:0+events_unbound23:05:141
3746267993532,2cyclictest0-21swapper/020:39:000
3746267993530,3cyclictest3812481-21munin-run22:35:000
3746267993520,14cyclictest3848363-21sh00:25:010
3746272993432,1cyclictest0-21swapper/220:09:592
3746272993431,2cyclictest0-21swapper/222:09:562
3746267993421,12cyclictest0-21swapper/023:25:010
3746267993416,17cyclictest0-21swapper/021:50:180
3746273993331,1cyclictest0-21swapper/320:54:563
3746273993331,1cyclictest0-21swapper/320:54:553
3746272993330,2cyclictest0-21swapper/200:37:592
3746272993330,2cyclictest0-21swapper/200:35:002
3746269993325,6cyclictest3808706-21kworker/u8:0+flush-179:022:25:111
3746267993328,3cyclictest714-21Xorg19:41:590
3746273993230,1cyclictest0-21swapper/321:14:003
3746273993230,1cyclictest0-21swapper/320:36:593
3746272993230,1cyclictest0-21swapper/200:20:002
3746272993229,2cyclictest0-21swapper/221:10:002
374627299320,30cyclictest0-21swapper/223:58:592
374627299320,30cyclictest0-21swapper/223:58:592
3746269993228,3cyclictest0-21swapper/123:55:001
3746269993226,4cyclictest3799339-21latency_hist21:55:011
3746267993227,4cyclictest3823883-21/usr/sbin/munin23:10:010
4577091310,5ptp4l441ktimers/321:34:553
3746273993130,1cyclictest0-21swapper/300:10:003
3746273993126,4cyclictest3802396-21turbostat22:05:003
3746273993126,4cyclictest3802396-21turbostat22:05:003
3746272993128,2cyclictest0-21swapper/200:04:552
3746267993123,5cyclictest3790968-21latency_hist21:30:010
374626799311,6cyclictest0-21swapper/022:15:120
3746273993028,1cyclictest0-21swapper/319:40:583
3746273993027,2cyclictest0-21swapper/323:29:593
3746273993025,4cyclictest3797336-21turbostat21:50:013
374627399300,28cyclictest0-21swapper/321:50:123
3746272993028,1cyclictest0-21swapper/223:40:012
3746272993028,1cyclictest0-21swapper/220:20:012
3746272993027,2cyclictest0-21swapper/222:40:122
3746272993027,2cyclictest0-21swapper/221:40:112
3746272993027,2cyclictest0-21swapper/219:55:132
374627299300,1cyclictest0-21swapper/220:39:542
374626799309,5cyclictest3763502-21sed20:00:230
4577091290,7ptp4l441ktimers/319:50:013
4577091290,6ptp4l441ktimers/320:35:003
3746273992927,1cyclictest0-21swapper/323:45:123
3746273992927,1cyclictest0-21swapper/323:14:593
3746273992927,1cyclictest0-21swapper/322:14:553
3746273992927,1cyclictest0-21swapper/320:26:003
3746273992927,1cyclictest0-21swapper/320:25:593
3746273992927,1cyclictest0-21swapper/300:26:593
3746273992927,1cyclictest0-21swapper/300:26:593
3746273992926,2cyclictest0-21swapper/320:15:013
3746273992926,2cyclictest0-21swapper/319:50:133
374627399290,2cyclictest0-21swapper/323:20:003
374627399290,27cyclictest0-21swapper/323:40:133
374627399290,27cyclictest0-21swapper/323:40:133
374627399290,27cyclictest0-21swapper/322:25:123
374627399290,27cyclictest0-21swapper/322:05:033
374627399290,27cyclictest0-21swapper/319:55:123
3746272992927,1cyclictest0-21swapper/223:30:002
3746272992927,1cyclictest0-21swapper/223:10:002
3746272992926,2cyclictest0-21swapper/223:20:012
3746272992926,2cyclictest0-21swapper/219:50:122
374627299290,27cyclictest0-21swapper/223:40:132
374627299290,27cyclictest0-21swapper/223:40:132
374627299290,27cyclictest0-21swapper/222:30:122
374627299290,27cyclictest0-21swapper/221:25:112
374627299290,27cyclictest0-21swapper/220:10:132
374627299290,27cyclictest0-21swapper/219:45:112
4577091280,7ptp4l441ktimers/320:10:003
3746273992826,1cyclictest0-21swapper/321:05:133
374627399280,27cyclictest0-21swapper/323:20:013
374627399280,27cyclictest0-21swapper/322:48:593
374627399280,27cyclictest0-21swapper/322:39:593
374627399280,26cyclictest0-21swapper/323:05:133
374627399280,26cyclictest0-21swapper/322:30:123
374627399280,26cyclictest0-21swapper/322:20:113
374627399280,26cyclictest0-21swapper/320:20:133
374627399280,26cyclictest0-21swapper/319:20:133
3746272992825,2cyclictest0-21swapper/221:22:592
3746272992825,2cyclictest0-21swapper/221:00:142
3746272992825,2cyclictest0-21swapper/220:45:132
374627299280,1cyclictest0-21swapper/222:20:122
374627299280,1cyclictest0-21swapper/222:15:122
3746269992823,3cyclictest3851033-21proc_pri00:30:221
231999280,17rtkit-daemon2538313-21munin-node19:05:151
4577091270,7ptp4l441ktimers/300:34:593
4577091270,6ptp4l441ktimers/319:40:013
4577091270,6ptp4l441ktimers/319:40:013
4577091270,6ptp4l441ktimers/319:20:013
374627399270,1cyclictest0-21swapper/323:00:023
374627299270,25cyclictest0-21swapper/222:29:002
374627299270,19cyclictest0-21swapper/219:18:592
4577091260,7ptp4l61490irq/134-eno1-TxRx-000:25:013
4577091260,6ptp4l61490irq/134-eno1-TxRx-019:30:003
4577091260,5ptp4l441ktimers/300:40:013
3746273992624,1cyclictest0-21swapper/323:50:593
3746273992624,1cyclictest0-21swapper/321:59:593
3746273992623,2cyclictest0-21swapper/320:41:003
374627399260,24cyclictest0-21swapper/319:30:593
374627399260,1cyclictest0-21swapper/319:12:583
3746272992623,2cyclictest0-21swapper/222:45:592
3746272992623,2cyclictest0-21swapper/221:17:592
3746272992623,2cyclictest0-21swapper/220:34:592
3746272992623,2cyclictest0-21swapper/220:27:002
3746272992623,2cyclictest0-21swapper/220:26:592
3746272992623,2cyclictest0-21swapper/220:01:592
374627299260,24cyclictest0-21swapper/223:10:122
374627299260,24cyclictest0-21swapper/222:53:592
374627299260,24cyclictest0-21swapper/220:50:592
374627299260,24cyclictest0-21swapper/220:50:592
374627299260,24cyclictest0-21swapper/220:22:592
374627299260,24cyclictest0-21swapper/200:25:122
374627299260,24cyclictest0-21swapper/200:25:122
4577091250,6ptp4l61490irq/134-eno1-TxRx-000:04:543
4577091250,5ptp4l441ktimers/323:39:563
4577091250,5ptp4l441ktimers/323:35:003
374627399250,24cyclictest0-21swapper/320:47:583
3746272992523,1cyclictest0-21swapper/223:19:592
3746272992522,2cyclictest0-21swapper/220:56:592
3746272992522,2cyclictest0-21swapper/219:44:562
374627299250,2cyclictest0-21swapper/221:14:552
4577091240,5ptp4l61490irq/134-eno1-TxRx-022:54:563
4577091240,5ptp4l441ktimers/300:00:003
4577091240,5ptp4l441ktimers/300:00:003
4577091240,4ptp4l61490irq/134-eno1-TxRx-021:40:013
3746273992422,1cyclictest0-21swapper/322:55:113
374627299240,1cyclictest0-21swapper/221:39:592
4577091230,4ptp4l61490irq/134-eno1-TxRx-000:15:003
3746272992220,1cyclictest0-21swapper/221:49:592
3746272992219,2cyclictest0-21swapper/221:57:592
3746272992017,2cyclictest0-21swapper/219:29:002
3746272991916,2cyclictest0-21swapper/219:12:592
4577091150,7ptp4l441ktimers/320:55:563
374626799116,3cyclictest3727131-21kworker/u8:0-ext4-rsv-conversion19:10:010
37462729930,2cyclictest0-21swapper/219:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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