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2026-01-15 - 14:53
[ 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 Thu Jan 15, 2026 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22286339910291,9cyclictest2288244-21latency_hist22:15:000
22286369910191,8cyclictest2296205-21latency_hist22:40:011
2228633999860,25cyclictest2248427-21/usr/sbin/munin20:10:250
2228636999383,8cyclictest2293027-21latency_hist22:30:011
2228633998778,7cyclictest2228538-21latency_hist19:10:020
2228636998463,19cyclictest2321989-40mandb00:00:001
2228633998475,7cyclictest2268879-21latency_hist21:15:010
2228633998273,7cyclictest2280291-21latency_hist21:50:010
2228633998273,6cyclictest2234931-21latency_hist19:30:000
2228633998071,7cyclictest2244745-21latency_hist20:00:010
2228636997665,8cyclictest2256145-21latency_hist20:35:001
2228636997465,7cyclictest2267292-21latency_hist21:10:011
2228633997465,7cyclictest2302598-21latency_hist23:00:020
2228633997465,7cyclictest2302598-21latency_hist23:00:020
2228636997351,20cyclictest2285327-21apt-get22:05:091
2228633997363,8cyclictest2228802-21/usr/sbin/munin19:10:230
2228636997264,6cyclictest2313982-21latency_hist23:35:001
2228636997163,6cyclictest2262511-21latency_hist20:55:011
2228636997163,6cyclictest2262511-21latency_hist20:55:011
2228636997163,6cyclictest2249773-21latency_hist20:15:001
2228633997160,8cyclictest2333919-21latency_hist00:35:000
2228636997061,7cyclictest2291441-21latency_hist22:25:011
2228636996959,7cyclictest2294617-21latency_hist22:35:011
2228636996858,8cyclictest266-21systemd-journal00:20:011
2228633996755,10cyclictest3706593-21cups-browsed00:00:000
2228633996557,6cyclictest2260924-21latency_hist20:50:010
2228633996457,4cyclictest2305798-21kworker/u8:2+events_unbound23:25:200
2228633996456,5cyclictest2314220-21/usr/sbin/munin23:35:220
2228633996355,6cyclictest2330488-21latency_hist00:25:010
2228636996154,5cyclictest2281876-21latency_hist21:55:011
2228636996052,6cyclictest2323603-21latency_hist00:05:021
2228636996051,7cyclictest2251367-21latency_hist20:20:011
2228633996049,8cyclictest2312431-21kworker/u8:3+flush-179:023:40:200
2228636995950,7cyclictest2257719-21kworker/u8:0+flush-179:021:35:011
2228633995952,5cyclictest2283490-21latency_hist22:00:010
2228633995851,5cyclictest2289848-21latency_hist22:20:010
2228640995754,2cyclictest0-21swapper/222:24:592
2228633995751,4cyclictest2246861-21apt-get20:05:120
2228633995650,4cyclictest2250817-21kworker/u8:0+flush-179:020:25:130
2228633995647,5cyclictest2257719-21kworker/u8:0+flush-179:022:20:130
2228633995645,9cyclictest2332073-21latency_hist00:30:020
2228636995546,7cyclictest2273920-21latency_hist21:30:011
2228633995549,4cyclictest2279505-21kworker/u8:1+flush-179:021:55:000
2228633995546,7cyclictest2325438-21kworker/u8:0+flush-179:000:10:010
2228633995543,10cyclictest2241309-21apt-get19:49:590
2228633995444,8cyclictest2275764-21apt-get21:35:100
2228636995345,6cyclictest2257719-21kworker/u8:0+flush-179:022:00:001
2228633995347,4cyclictest2325438-21kworker/u8:0+flush-179:000:35:230
2228633995342,9cyclictest2236780-21apt-get19:35:100
2228636995249,2cyclictest0-21swapper/121:14:591
2228636995239,10cyclictest266-21systemd-journal21:45:011
2228633995241,9cyclictest2272091-21apt-get21:25:000
2228633995241,8cyclictest2310549-21latency_hist23:25:010
2228636995145,4cyclictest2320349-21latency_hist23:55:001
2228636995129,5cyclictest510-21rs:main1
2228636995129,5cyclictest510-21rs:main1
2228636995044,5cyclictest2304168-21kworker/u8:0+events_unbound23:05:211
2228633995041,6cyclictest2305798-21kworker/u8:2+events_unbound23:15:260
2228636994942,6cyclictest2239695-21kworker/u8:0+flush-179:020:00:231
2228636994942,6cyclictest2239695-21kworker/u8:0+flush-179:020:00:231
2228636994941,6cyclictest2239695-21kworker/u8:0+flush-179:019:45:001
2228633994940,7cyclictest2254813-21apt-get20:30:130
2228633994925,5cyclictest0-21swapper/000:12:000
2228636994841,5cyclictest2325438-21kworker/u8:0+flush-179:000:30:001
2228636994828,2cyclictest714-21Xorg22:15:591
2228633994837,9cyclictest2298066-21apt-get22:45:120
2228636994743,3cyclictest2315627-21systemd-run23:40:001
2228636994741,4cyclictest2231749-21latency_hist19:20:011
4577091460,13ptp4l61490irq/134-eno1-TxRx-019:10:013
2228636994638,6cyclictest2257719-21kworker/u8:0+flush-179:021:20:021
2228636994638,6cyclictest2257719-21kworker/u8:0+flush-179:021:20:011
2228633994639,5cyclictest2236557-21kworker/u8:3+events_unbound19:45:020
2228633994638,6cyclictest2312431-21kworker/u8:3+events_unbound23:55:010
2228633994638,6cyclictest2239695-21kworker/u8:0+events_unbound20:00:210
2228633994638,6cyclictest2239695-21kworker/u8:0+events_unbound20:00:200
2228636994539,4cyclictest2307611-21kworker/u8:1+flush-179:023:20:241
222863699451,3cyclictest714-21Xorg21:22:591
2228633994537,6cyclictest2299651-21apt-get22:50:120
2228636994436,6cyclictest2311063-21apt-get23:25:111
2228636994436,6cyclictest2228581-21kworker/u8:2+flush-179:019:40:011
2228633994435,7cyclictest2269134-21apt-get21:15:140
2228633994435,7cyclictest2269134-21apt-get21:15:130
222863399440,2cyclictest0-21swapper/021:06:580
2228636994335,6cyclictest2317161-21kworker/u8:1+flush-179:000:20:161
2228636994332,9cyclictest2283739-21apt-get22:00:101
222863399430,41cyclictest2251369-21turbostat20:24:550
222864099420,1cyclictest0-21swapper/221:32:592
2228636994235,5cyclictest2335534-21idleruntime-cro00:40:011
222863699420,40cyclictest2299401-21turbostat22:54:551
2228633994238,2cyclictest2259377-21systemd-run20:45:000
2228633994234,6cyclictest2323557-21kworker/u8:2+flush-179:000:15:130
222863399422,7cyclictest2302845-21apt23:00:120
222863399420,38cyclictest714-21Xorg00:01:580
2228641994133,7cyclictest0-21swapper/321:42:593
2228636994137,3cyclictest2308966-21sendmail23:20:001
2228636994137,3cyclictest0-21swapper/120:56:001
2228636994134,5cyclictest2233346-21latency_hist19:25:001
2228636994134,4cyclictest0-21swapper/121:04:591
2228636994132,7cyclictest2324099-21/usr/sbin/munin00:05:161
2228633994136,4cyclictest2230389-21kworker/u8:0+flush-179:019:30:150
2228633994132,7cyclictest2256720-21journal-offline20:35:150
2228636994032,7cyclictest2241309-21apt-get19:50:031
222863699400,38cyclictest714-21Xorg22:43:581
2228633994037,2cyclictest0-21swapper/020:55:590
2228633994033,5cyclictest2304168-21kworker/u8:0+flush-179:023:10:000
2228633994033,5cyclictest2275510-21latency_hist21:35:010
222863399400,39cyclictest2241312-21turbostat19:54:540
222863399400,39cyclictest2231744-21turbostat19:24:550
222863399400,37cyclictest714-21Xorg21:44:590
222864099390,37cyclictest0-21swapper/220:18:592
2228636993929,8cyclictest2317433-21apt-get23:45:111
2228636993928,9cyclictest2241301-21latency_hist19:50:001
222863699391,36cyclictest714-21Xorg20:39:591
222863399391,2cyclictest714-21Xorg22:07:590
2228640993835,2cyclictest0-21swapper/223:07:592
2228640993834,2cyclictest0-21swapper/220:36:582
222864099380,36cyclictest0-21swapper/223:24:562
2228636993834,2cyclictest714-21Xorg19:32:001
2228636993829,7cyclictest2304168-21kworker/u8:0+flush-179:023:10:231
222863699380,2cyclictest714-21Xorg20:40:591
222863699380,1cyclictest0-21swapper/100:12:591
2228633993832,4cyclictest2270448-21kworker/u8:2+flush-179:021:25:010
2228641993735,1cyclictest0-21swapper/320:35:593
2228641993732,4cyclictest2239734-21turbostat19:45:013
222864199370,36cyclictest0-21swapper/319:38:583
222864099370,35cyclictest0-21swapper/223:35:592
222863699372,30cyclictest2302846-21apt-get23:00:131
2228633993730,5cyclictest2290387-21kworker/u8:1+flush-179:022:25:130
222863399370,1cyclictest0-21swapper/022:43:590
2228641993634,1cyclictest0-21swapper/320:42:593
2228641993634,1cyclictest0-21swapper/319:27:593
2228641993631,4cyclictest2312410-21turbostat23:30:003
222864199360,35cyclictest0-21swapper/322:34:583
222864199360,35cyclictest0-21swapper/320:48:593
222864199360,35cyclictest0-21swapper/319:53:583
222864199360,1cyclictest0-21swapper/323:08:593
222864199360,1cyclictest0-21swapper/321:01:593
2228640993633,2cyclictest0-21swapper/200:05:582
2228636993627,7cyclictest2332873-21diskstats00:30:141
2228636993626,6cyclictest2259594-21apt-get20:45:131
2228633993633,2cyclictest0-21swapper/022:32:590
2228633993632,3cyclictest266-21systemd-journal19:19:590
2228633993632,3cyclictest0-21swapper/023:11:590
2228641993533,1cyclictest0-21swapper/321:48:593
2228641993528,6cyclictest0-21swapper/321:29:593
2228640993533,1cyclictest0-21swapper/219:19:592
2228640993532,2cyclictest0-21swapper/222:49:592
222864099350,1cyclictest0-21swapper/219:14:592
2228636993529,5cyclictest2288481-21kworker/u8:2+flush-179:022:45:221
2228636993529,4cyclictest2235138-21sort19:30:011
2228636993527,6cyclictest2257719-21kworker/u8:0+flush-179:022:10:161
2228636993527,6cyclictest2236557-21kworker/u8:3+flush-179:020:30:011
2228633993531,3cyclictest714-21Xorg22:01:590
2228641993432,1cyclictest0-21swapper/322:51:593
2228641993432,1cyclictest0-21swapper/322:10:593
2228641993427,6cyclictest0-21swapper/323:50:593
2228640993431,2cyclictest0-21swapper/223:17:592
2228640993431,2cyclictest0-21swapper/223:03:002
2228640993431,2cyclictest0-21swapper/220:51:002
2228640993431,2cyclictest0-21swapper/220:50:592
2228636993430,2cyclictest714-21Xorg20:00:001
222863399341,30cyclictest0-21swapper/020:15:130
2228641993331,1cyclictest0-21swapper/321:13:593
2228640993330,2cyclictest0-21swapper/223:48:582
2228640993330,2cyclictest0-21swapper/222:53:592
2228640993330,2cyclictest0-21swapper/222:32:002
2228641993230,1cyclictest0-21swapper/323:39:593
2228641993230,1cyclictest0-21swapper/323:01:593
2228641993230,1cyclictest0-21swapper/322:04:593
2228641993228,3cyclictest2251369-21turbostat20:20:013
2228641993225,6cyclictest0-21swapper/323:46:003
2228640993230,1cyclictest0-21swapper/200:04:592
2228640993229,2cyclictest0-21swapper/220:55:592
222863399321,29cyclictest0-21swapper/023:30:140
2228641993129,1cyclictest0-21swapper/322:19:003
2228641993129,1cyclictest0-21swapper/320:23:583
2228641993129,1cyclictest0-21swapper/319:22:003
2228641993123,7cyclictest2283492-21turbostat22:00:003
2228636993126,4cyclictest2247704-21phc2sys-jitter20:05:251
222863699311,27cyclictest2252986-21ls20:25:001
222863399310,29cyclictest714-21Xorg21:00:590
2228641993028,1cyclictest0-21swapper/323:56:593
2228641993028,1cyclictest0-21swapper/320:25:593
2228641993028,1cyclictest0-21swapper/320:10:583
2228641993027,2cyclictest0-21swapper/319:32:593
2228641993027,2cyclictest0-21swapper/300:33:583
2228640993028,1cyclictest0-21swapper/221:19:592
2228640993028,1cyclictest0-21swapper/221:19:592
2228640993027,2cyclictest0-21swapper/221:46:592
2228640993027,2cyclictest0-21swapper/221:39:592
2228640993027,2cyclictest0-21swapper/219:57:592
2228640993027,2cyclictest0-21swapper/219:25:132
2228636993025,2cyclictest0-21swapper/119:10:131
2228633993026,2cyclictest714-21Xorg23:47:590
2228633993025,4cyclictest2296048-21unixbench-2d22:35:240
2228641992927,1cyclictest0-21swapper/321:05:143
2228641992927,1cyclictest0-21swapper/320:09:583
222864199290,27cyclictest0-21swapper/322:40:123
222864199290,27cyclictest0-21swapper/300:10:033
2228640992927,1cyclictest0-21swapper/220:49:592
2228640992926,2cyclictest0-21swapper/221:40:122
2228640992926,2cyclictest0-21swapper/221:25:022
222864099290,28cyclictest0-21swapper/219:50:132
222864099290,27cyclictest0-21swapper/223:40:132
222864099290,27cyclictest0-21swapper/223:25:032
222864099290,27cyclictest0-21swapper/222:04:002
222864099290,27cyclictest0-21swapper/220:40:122
222864099290,27cyclictest0-21swapper/220:05:022
222864099290,27cyclictest0-21swapper/200:10:022
2228636992926,2cyclictest2278959-21apt-get21:45:141
2228636992925,3cyclictest2276606-21phc2sys-jitter21:35:211
2228636992924,3cyclictest0-21swapper/123:40:131
2228633992924,4cyclictest2262372-21unixbench-2d20:50:250
2228633992924,4cyclictest2262372-21unixbench-2d20:50:240
4577091280,7ptp4l61490irq/134-eno1-TxRx-022:30:013
4577091280,7ptp4l441ktimers/321:00:003
4577091280,7ptp4l441ktimers/300:20:003
4577091280,6ptp4l441ktimers/300:24:553
2228641992826,1cyclictest0-21swapper/323:16:003
2228641992823,4cyclictest0-21swapper/300:29:003
222864199280,27cyclictest0-21swapper/323:20:113
222864199280,27cyclictest0-21swapper/300:05:023
222864199280,26cyclictest0-21swapper/300:35:123
222864199280,1cyclictest0-21swapper/319:13:093
2228640992826,1cyclictest0-21swapper/219:35:002
2228640992825,2cyclictest0-21swapper/220:34:552
2228640992825,2cyclictest0-21swapper/220:03:002
2228640992825,2cyclictest0-21swapper/220:02:592
2228640992825,2cyclictest0-21swapper/219:46:002
222864099280,2cyclictest0-21swapper/222:40:122
222864099280,26cyclictest0-21swapper/222:15:132
222864099280,26cyclictest0-21swapper/221:50:112
222864099280,26cyclictest0-21swapper/221:12:592
222864099280,26cyclictest0-21swapper/200:16:002
4577091270,7ptp4l61490irq/134-eno1-TxRx-022:50:003
4577091270,7ptp4l441ktimers/322:25:003
4577091270,6ptp4l441ktimers/323:15:013
4577091270,6ptp4l441ktimers/323:00:023
4577091270,6ptp4l441ktimers/323:00:023
4577091270,6ptp4l441ktimers/321:55:003
4577091270,6ptp4l441ktimers/321:39:563
4577091270,6ptp4l441ktimers/321:20:013
4577091270,6ptp4l441ktimers/321:20:013
4577091270,6ptp4l441ktimers/320:00:013
2228641992725,1cyclictest0-21swapper/320:51:003
2228641992725,1cyclictest0-21swapper/320:50:593
222864199270,26cyclictest0-21swapper/322:07:593
222864199270,26cyclictest0-21swapper/320:33:003
222864199270,1cyclictest0-21swapper/321:30:133
222864199270,1cyclictest0-21swapper/321:20:143
222864099270,1cyclictest0-21swapper/200:30:042
222864099270,1cyclictest0-21swapper/200:24:592
4577091260,7ptp4l61490irq/134-eno1-TxRx-022:39:563
4577091260,6ptp4l61490irq/134-eno1-TxRx-023:34:553
4577091260,6ptp4l441ktimers/323:44:553
4577091260,6ptp4l441ktimers/319:49:593
4577091260,5ptp4l441ktimers/320:05:023
4577091260,5ptp4l441ktimers/320:05:013
4577091260,5ptp4l441ktimers/300:05:003
2228640992623,2cyclictest0-21swapper/221:20:582
222864099260,24cyclictest0-21swapper/223:50:132
222864099260,24cyclictest0-21swapper/223:32:592
222864099260,24cyclictest0-21swapper/223:13:592
222864099260,24cyclictest0-21swapper/219:37:592
222864099260,1cyclictest0-21swapper/222:09:592
4577091250,5ptp4l441ktimers/319:19:553
2228640992523,1cyclictest0-21swapper/221:03:592
2228640992523,1cyclictest0-21swapper/219:20:592
222864099250,2cyclictest0-21swapper/222:55:592
222864099250,2cyclictest0-21swapper/222:55:582
222864099250,2cyclictest0-21swapper/222:35:112
222864099250,24cyclictest0-21swapper/222:26:592
222864099250,24cyclictest0-21swapper/222:13:592
222864099250,24cyclictest0-21swapper/221:09:592
2228640992422,1cyclictest0-21swapper/220:21:002
2228640992421,2cyclictest0-21swapper/220:27:592
2228640992320,2cyclictest0-21swapper/200:26:592
2228640992118,2cyclictest0-21swapper/223:58:002
2228640992018,1cyclictest0-21swapper/220:13:592
2228640991916,2cyclictest0-21swapper/219:41:582
2228636991916,2cyclictest0-21swapper/119:10:011
2228640991816,1cyclictest0-21swapper/200:39:002
22286409984,3cyclictest351rcuc/221:59:552
22286409930,2cyclictest0-21swapper/219:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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