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2026-01-17 - 15:51
[ 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 792 highest latencies:
System rackeslot6.osadl.org (updated Sat Jan 17, 2026 12:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89903199118108,7cyclictest981305-21latency_hist11:20:021
89903199118108,7cyclictest981305-21latency_hist11:20:011
8990289910696,8cyclictest944103-21latency_hist09:25:010
8990289910090,7cyclictest922634-21latency_hist08:20:010
899028999688,5cyclictest962675-21kworker/u8:0+flush-179:011:05:000
899031999585,7cyclictest961619-21latency_hist10:20:011
899031999483,8cyclictest900754-21/usr/sbin/munin07:15:231
899031999483,8cyclictest900754-21/usr/sbin/munin07:15:231
899028999285,6cyclictest912321-21kworker/u8:1+flush-179:008:00:000
899031998673,10cyclictest939075-21apt-get09:09:591
899028998376,5cyclictest894373-21kworker/u8:2+flush-179:007:20:010
899028998376,5cyclictest894373-21kworker/u8:2+flush-179:007:20:010
899028998375,5cyclictest907152-21kworker/u8:3+events_unbound07:35:030
899028998374,7cyclictest935609-21latency_hist09:00:010
899028998273,7cyclictest939051-21kworker/u8:1+flush-179:009:15:010
899028997970,6cyclictest928990-21latency_hist08:40:010
899028997872,4cyclictest894373-21kworker/u8:2+flush-179:007:25:010
899028997869,6cyclictest952058-21latency_hist09:50:010
899028997769,6cyclictest957881-21kworker/u8:3+flush-179:010:15:000
899028997670,4cyclictest1002552-21kworker/u8:1+flush-179:012:30:170
899028997667,7cyclictest907147-21latency_hist07:35:020
899028997564,8cyclictest904211-21/usr/sbin/munin07:25:220
899028997468,4cyclictest907152-21kworker/u8:3+flush-179:007:45:250
899028997463,8cyclictest918916-21latency_hist08:10:010
899031997366,5cyclictest898909-21latency_hist07:10:021
899031997264,6cyclictest984731-21latency_hist11:30:011
899031997162,7cyclictest912291-21latency_hist07:50:011
899031997157,11cyclictest969837-21latency_hist10:45:001
899028996963,5cyclictest952093-21kworker/u8:2+flush-179:009:54:590
899031996856,8cyclictest932174-21latency_hist08:50:011
899031996856,8cyclictest932174-21latency_hist08:50:011
899031996757,8cyclictest909026-21cp07:39:561
899028996658,5cyclictest929037-21kworker/u8:3+flush-179:009:15:180
899028996560,3cyclictest969821-21kworker/u8:1+flush-179:010:45:250
899028996554,9cyclictest957096-21apt-get10:05:110
899031996456,6cyclictest266-21systemd-journal10:35:011
899028996458,4cyclictest982220-21kworker/u8:3+flush-179:011:30:220
899028996356,5cyclictest987881-21kworker/u8:0+flush-179:011:45:000
899028996257,4cyclictest971716-21kworker/u8:2+flush-179:010:54:560
899028996154,4cyclictest982220-21kworker/u8:3+flush-179:012:15:160
899028996153,6cyclictest997980-21apt-get12:10:130
899028996054,5cyclictest982220-21kworker/u8:3+events_unbound11:25:240
899028995952,5cyclictest963245-21kworker/u8:2+events_unbound10:40:250
899028995951,6cyclictest991114-21apt-get11:50:000
899028995947,8cyclictest936898-21kworker/u8:0+flush-179:009:30:150
899028995851,5cyclictest971716-21kworker/u8:2+events_unbound11:55:250
899028995849,7cyclictest948871-21latency_hist09:40:010
899028995649,5cyclictest898956-21kworker/u8:1+flush-179:007:10:240
899028995550,4cyclictest912321-21kworker/u8:1+events_unbound07:55:000
899028995549,4cyclictest922887-21apt-get08:20:120
899035995452,1cyclictest0-21swapper/310:16:593
899031995443,8cyclictest982220-21kworker/u8:3+flush-179:012:20:211
899028995449,4cyclictest982220-21kworker/u8:3+flush-179:012:05:210
899028995449,4cyclictest948830-21kworker/u8:1+flush-179:009:55:230
899028995446,6cyclictest910707-21latency_hist07:45:010
899028995441,11cyclictest962675-21kworker/u8:0+flush-179:011:00:010
899028995441,11cyclictest962675-21kworker/u8:0+flush-179:011:00:000
899031995347,4cyclictest987926-21latency_hist11:40:011
899028995347,4cyclictest971716-21kworker/u8:2+flush-179:012:05:000
899028995346,5cyclictest978097-21kworker/u8:1+flush-179:011:15:150
899028995346,5cyclictest978097-21kworker/u8:1+flush-179:011:15:150
899028995344,7cyclictest982220-21kworker/u8:3+flush-179:012:25:000
899028995334,15cyclictest1004102-21apt-get12:30:000
899031995244,6cyclictest984969-21/usr/sbin/munin11:30:251
899028995247,4cyclictest924255-21kworker/u8:3+flush-179:008:30:280
899028995246,5cyclictest891404-21kworker/u8:0+events_unbound08:00:230
899031995147,2cyclictest915462-21sendmail08:00:001
899031995143,6cyclictest999318-21turbostat12:19:551
899028995145,4cyclictest891404-21kworker/u8:0+flush-179:008:10:150
899031995043,5cyclictest971681-21latency_hist10:50:011
899028995046,3cyclictest929037-21kworker/u8:3+flush-179:008:40:230
899028995045,4cyclictest929037-21kworker/u8:3+flush-179:008:45:230
899028995045,4cyclictest929037-21kworker/u8:3+flush-179:008:45:220
899028994944,4cyclictest982220-21kworker/u8:3+flush-179:012:39:550
899028994944,4cyclictest948830-21kworker/u8:1+flush-179:010:25:170
899028994941,6cyclictest963245-21kworker/u8:2+flush-179:010:30:200
89902899491,46cyclictest987931-21sendmail-msp11:40:010
899031994842,4cyclictest925805-21latency_hist08:30:011
899031994838,8cyclictest947533-21apt-get09:35:121
899028994738,7cyclictest935863-21/usr/sbin/munin09:00:190
899028994738,7cyclictest266-21systemd-journal09:26:570
899031994640,5cyclictest942502-21latency_hist09:20:021
899028994640,4cyclictest929037-21kworker/u8:3+flush-179:008:50:040
899028994640,4cyclictest929037-21kworker/u8:3+flush-179:008:50:040
899028994637,7cyclictest971716-21kworker/u8:2+flush-179:011:05:210
4577091460,13ptp4l61490irq/134-eno1-TxRx-007:10:003
899031994536,6cyclictest915539-21kworker/u8:2+flush-179:008:05:001
899031994510,23cyclictest900516-21latency_hist07:15:021
899028994540,4cyclictest929037-21kworker/u8:3+flush-179:009:44:560
899028994540,3cyclictest957881-21kworker/u8:3+flush-179:010:15:220
899028994539,5cyclictest915539-21kworker/u8:2+events_unbound08:25:210
899031994434,7cyclictest0-21swapper/107:25:031
899031994414,2cyclictest963465-21apt-get10:25:151
89903199437,32cyclictest0-21swapper/107:30:131
899031994339,3cyclictest992981-21systemd-run11:55:011
899031994326,10cyclictest919152-21apt-key08:10:011
899031994315,26cyclictest482-21avahi-daemon12:15:011
899028994338,4cyclictest955786-21kworker/u8:0+flush-179:010:00:210
899028994336,6cyclictest957881-21kworker/u8:3+events_unbound10:20:160
899031994238,3cyclictest955786-21kworker/u8:0+flush-179:010:00:251
899028994237,4cyclictest962675-21kworker/u8:0+flush-179:011:10:220
89903199417,33cyclictest0-21swapper/111:20:021
89903199417,33cyclictest0-21swapper/111:20:021
899031994137,3cyclictest937351-21apt-config09:05:011
899031994137,2cyclictest714-21Xorg10:24:591
89903199411,38cyclictest714-21Xorg11:06:001
899035994038,1cyclictest0-21swapper/308:49:593
899035994038,1cyclictest0-21swapper/308:49:583
899035994033,5cyclictest942527-21turbostat09:20:013
899031994036,2cyclictest714-21Xorg09:49:591
899031994035,3cyclictest924252-21true08:25:001
899031994033,5cyclictest987881-21kworker/u8:0+flush-179:011:45:231
899031994015,11cyclictest714-21Xorg09:31:591
899032993935,3cyclictest0-21swapper/210:16:582
899031993934,4cyclictest0-21swapper/108:45:001
899031993933,5cyclictest0-21swapper/108:50:031
899031993933,5cyclictest0-21swapper/108:50:031
899031993910,14cyclictest997722-21cron12:10:011
899028993933,4cyclictest978097-21kworker/u8:1+events_unbound11:20:150
899028993933,4cyclictest978097-21kworker/u8:1+events_unbound11:20:140
899028993933,4cyclictest968234-21latency_hist10:40:010
899028993932,5cyclictest991594-21/usr/sbin/munin11:50:250
899035993834,2cyclictest0-21swapper/308:36:593
89903299380,36cyclictest0-21swapper/211:12:592
89903199389,14cyclictest1005923-21sshd12:31:111
899031993814,9cyclictest714-21Xorg09:50:591
899031993812,11cyclictest714-21Xorg10:56:591
899031993812,11cyclictest714-21Xorg10:56:591
899031993812,10cyclictest959415-21ntp_192.168.11410:10:201
899028993832,5cyclictest929037-21kworker/u8:3+flush-179:009:05:220
899032993734,2cyclictest0-21swapper/211:37:592
89903299370,35cyclictest0-21swapper/211:29:552
899031993734,2cyclictest714-21Xorg08:35:591
899031993732,3cyclictest968250-21munin-run10:39:591
899031993731,4cyclictest989640-21latency_hist11:45:011
899031993727,6cyclictest0-21swapper/107:40:591
899031993714,7cyclictest934485-21cat08:55:131
899031993713,9cyclictest940097-21irqstats09:10:181
899031993713,8cyclictest714-21Xorg12:38:591
899031993713,8cyclictest714-21Xorg09:22:591
899031993712,9cyclictest993719-21awk11:55:181
899035993634,1cyclictest0-21swapper/309:06:593
89903599360,35cyclictest0-21swapper/307:57:593
89903599360,1cyclictest0-21swapper/309:47:593
89903599360,1cyclictest0-21swapper/309:30:583
899032993633,2cyclictest0-21swapper/207:28:592
89903299360,1cyclictest0-21swapper/208:20:002
89903199369,13cyclictest976541-21awk11:05:001
899031993633,2cyclictest0-21swapper/112:30:001
899031993613,8cyclictest714-21Xorg07:52:591
89903199360,1cyclictest0-21swapper/108:12:591
89903599350,34cyclictest0-21swapper/311:28:583
899032993532,2cyclictest0-21swapper/212:23:002
899031993529,4cyclictest996190-21ls12:05:001
899031993527,6cyclictest927379-21kworker/u8:1+flush-179:008:35:001
899035993431,2cyclictest0-21swapper/311:47:593
89903599340,32cyclictest955264-21turbostat10:00:003
899032993431,2cyclictest0-21swapper/210:23:002
899032993431,2cyclictest0-21swapper/208:21:592
899032993431,2cyclictest0-21swapper/207:33:592
899031993412,7cyclictest714-21Xorg08:17:591
899035993331,1cyclictest0-21swapper/312:02:593
899035993330,2cyclictest0-21swapper/310:20:593
899031993323,8cyclictest266-21systemd-journal09:29:591
899031993322,9cyclictest953900-21apt-get09:55:131
899035993229,2cyclictest0-21swapper/312:34:563
899031993211,7cyclictest979728-21munin-run11:15:001
899031993211,2cyclictest904037-21apt-config07:25:011
899031993210,7cyclictest958464-21systemd-run10:10:011
899035993129,1cyclictest0-21swapper/307:22:593
899032993128,2cyclictest0-21swapper/208:55:592
899032993128,2cyclictest0-21swapper/208:13:592
899035993028,1cyclictest0-21swapper/311:00:583
899035993028,1cyclictest0-21swapper/308:50:593
899035993028,1cyclictest0-21swapper/308:50:593
89903599300,28cyclictest0-21swapper/311:50:023
899032993027,2cyclictest0-21swapper/211:34:542
89903299300,2cyclictest0-21swapper/209:05:142
89903299300,28cyclictest0-21swapper/211:55:132
899035992927,1cyclictest0-21swapper/309:42:003
899035992927,1cyclictest0-21swapper/309:10:033
899035992926,2cyclictest0-21swapper/311:20:013
89903599290,2cyclictest0-21swapper/309:25:143
89903599290,27cyclictest0-21swapper/310:25:133
89903599290,27cyclictest0-21swapper/308:15:153
89903599290,27cyclictest0-21swapper/307:45:143
89903599290,27cyclictest0-21swapper/307:25:023
89903599290,1cyclictest0-21swapper/308:05:143
899032992927,1cyclictest0-21swapper/211:18:002
899032992927,1cyclictest0-21swapper/211:17:592
899032992926,2cyclictest0-21swapper/212:30:032
899032992926,2cyclictest0-21swapper/212:11:582
899032992926,2cyclictest0-21swapper/211:45:132
899032992926,2cyclictest0-21swapper/211:42:592
899032992926,2cyclictest0-21swapper/210:56:002
899032992926,2cyclictest0-21swapper/210:56:002
899032992926,2cyclictest0-21swapper/210:45:032
899032992926,2cyclictest0-21swapper/209:00:122
899032992926,2cyclictest0-21swapper/207:45:142
89903299290,28cyclictest0-21swapper/207:35:022
89903299290,28cyclictest0-21swapper/207:10:132
89903299290,27cyclictest0-21swapper/212:25:142
89903299290,27cyclictest0-21swapper/210:25:142
89903299290,27cyclictest0-21swapper/210:00:142
89903299290,27cyclictest0-21swapper/209:55:132
89903299290,27cyclictest0-21swapper/209:25:142
89903299290,1cyclictest0-21swapper/208:50:022
89903299290,1cyclictest0-21swapper/208:50:022
899031992924,3cyclictest972376-21hwlatdetect10:50:181
899035992826,1cyclictest0-21swapper/312:14:553
899035992826,1cyclictest0-21swapper/310:30:033
899035992826,1cyclictest0-21swapper/308:10:033
899035992825,2cyclictest925819-21turbostat08:30:003
899035992825,2cyclictest0-21swapper/308:59:543
89903599280,2cyclictest0-21swapper/311:20:023
89903599280,2cyclictest0-21swapper/311:20:023
89903599280,27cyclictest0-21swapper/309:00:143
89903599280,27cyclictest0-21swapper/308:00:033
89903599280,27cyclictest0-21swapper/307:30:143
89903599280,26cyclictest0-21swapper/311:35:133
89903599280,26cyclictest0-21swapper/310:50:143
89903599280,26cyclictest0-21swapper/307:35:023
89903599280,21cyclictest0-21swapper/311:20:013
899032992825,2cyclictest0-21swapper/209:47:592
899032992825,2cyclictest0-21swapper/208:32:592
89903299280,2cyclictest0-21swapper/210:30:022
89903299280,2cyclictest0-21swapper/209:40:142
89903299280,27cyclictest0-21swapper/211:50:012
89903299280,27cyclictest0-21swapper/211:20:132
89903299280,27cyclictest0-21swapper/211:20:122
89903299280,27cyclictest0-21swapper/210:50:132
89903299280,27cyclictest0-21swapper/208:05:142
89903299280,26cyclictest0-21swapper/211:00:122
89903299280,26cyclictest0-21swapper/209:10:022
89903299280,26cyclictest0-21swapper/208:40:142
89903299280,26cyclictest0-21swapper/208:00:022
899031992822,4cyclictest0-21swapper/109:45:001
4577091280,6ptp4l441ktimers/312:20:013
899035992725,1cyclictest0-21swapper/311:09:003
899035992725,1cyclictest0-21swapper/310:59:593
899035992725,1cyclictest0-21swapper/310:59:583
899035992725,1cyclictest0-21swapper/310:45:023
899035992725,1cyclictest0-21swapper/307:40:593
89903599270,26cyclictest0-21swapper/308:33:593
89903599270,1cyclictest0-21swapper/307:10:133
89903299270,25cyclictest0-21swapper/212:05:592
89903299270,1cyclictest0-21swapper/207:50:332
4577091270,7ptp4l441ktimers/309:40:013
4577091270,7ptp4l441ktimers/307:55:013
4577091270,6ptp4l441ktimers/310:15:003
899035992622,2cyclictest0-21swapper/309:23:593
89903599260,25cyclictest0-21swapper/309:50:583
899032992623,2cyclictest0-21swapper/209:35:582
89903299260,24cyclictest0-21swapper/210:12:002
89903299260,24cyclictest0-21swapper/207:43:592
89903299260,24cyclictest0-21swapper/207:16:182
89903299260,24cyclictest0-21swapper/207:16:182
89903299260,1cyclictest0-21swapper/208:49:592
89903299260,1cyclictest0-21swapper/208:49:592
4577091260,7ptp4l441ktimers/311:15:013
4577091260,6ptp4l61490irq/134-eno1-TxRx-010:09:553
4577091260,4ptp4l61490irq/134-eno1-TxRx-011:35:003
89903599250,24cyclictest0-21swapper/311:44:583
89903599250,24cyclictest0-21swapper/307:16:593
89903599250,24cyclictest0-21swapper/307:16:593
899032992522,2cyclictest0-21swapper/212:05:002
899032992522,2cyclictest0-21swapper/208:36:592
899032992522,2cyclictest0-21swapper/208:29:562
4577091250,6ptp4l61490irq/134-eno1-TxRx-008:25:013
4577091250,6ptp4l441ktimers/310:45:003
899035992421,2cyclictest0-21swapper/312:35:593
89903599240,23cyclictest0-21swapper/311:56:593
899032992421,2cyclictest0-21swapper/209:30:592
89903299240,23cyclictest0-21swapper/211:09:592
4577091240,5ptp4l61490irq/134-eno1-TxRx-012:30:003
4577091240,4ptp4l61490irq/134-eno1-TxRx-008:44:553
4577091240,3ptp4l441ktimers/310:39:563
899032992320,2cyclictest0-21swapper/207:58:002
4577091230,3ptp4l61490irq/134-eno1-TxRx-012:09:553
4577091230,3ptp4l61490irq/134-eno1-TxRx-010:04:563
4577091230,3ptp4l441ktimers/312:24:553
899032992119,1cyclictest0-21swapper/209:50:592
899032992018,1cyclictest0-21swapper/209:19:592
899032992018,1cyclictest0-21swapper/207:22:002
899032991916,2cyclictest0-21swapper/212:39:552
899032991916,2cyclictest0-21swapper/210:36:592
231999170,8rtkit-daemon3881141-21munin-node07:05:030
899032991614,1cyclictest0-21swapper/210:43:592
899032991613,2cyclictest0-21swapper/212:18:592
899032991410,2cyclictest944116-21turbostat09:25:002
8990329985,2cyclictest0-21swapper/210:08:342
8990329930,2cyclictest0-21swapper/207:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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