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2026-01-30 - 03:48
[ 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 Fri Jan 30, 2026 00:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
234683199112101,8cyclictest266-21systemd-journal20:40:001
234682999112102,7cyclictest2428653-21latency_hist23:25:010
23468319910090,6cyclictest2453350-21latency_hist00:40:011
2346831999887,8cyclictest2420166-21latency_hist23:00:021
2346829999079,8cyclictest2438449-21latency_hist23:55:010
2346831998983,4cyclictest2399471-21kworker/u8:1+flush-179:022:15:001
2346831998172,6cyclictest2359451-21latency_hist19:50:011
2346831998172,6cyclictest2359451-21latency_hist19:50:011
2346829997768,6cyclictest2399471-21kworker/u8:1+flush-179:022:00:160
2346831997260,9cyclictest2424947-21apt-get23:15:031
2346831996958,8cyclictest2368991-21latency_hist20:20:001
2346829996858,8cyclictest266-21systemd-journal19:34:550
2346829996757,8cyclictest266-21systemd-journal00:25:000
2346831996657,7cyclictest2429149-21/usr/sbin/munin23:25:231
2346831996654,9cyclictest2347265-21diskstats19:10:141
2346831996557,6cyclictest2436861-21latency_hist23:50:011
234683699640,62cyclictest0-21swapper/322:24:003
2346829996456,6cyclictest2428797-21kworker/u8:3+flush-179:023:45:200
2346831996353,8cyclictest2410884-21apt-get22:30:131
2346831996249,10cyclictest2451502-21latency_hist00:35:001
2346829996255,5cyclictest2383301-21kworker/u8:2+flush-179:021:10:160
2346831996152,7cyclictest2414059-21/usr/sbin/munin22:40:231
2346829996052,6cyclictest2343479-21kworker/u8:3+flush-179:019:45:000
2346829996050,7cyclictest2385043-21kworker/u8:3+flush-179:021:20:240
2346829996047,10cyclictest2440315-40mandb00:00:010
2346831995849,6cyclictest510-21rs:main1
2346829995851,5cyclictest2380128-21latency_hist20:55:010
2346829995846,8cyclictest2451521-21apt-get00:34:590
2346836995755,1cyclictest0-21swapper/323:14:583
2346831995747,8cyclictest2380109-21kworker/u8:1+flush-179:021:00:001
2346829995747,8cyclictest2418610-21kworker/u8:2+events_unbound23:05:000
2346836995653,2cyclictest0-21swapper/320:09:593
2346831995649,5cyclictest2399483-21latency_hist21:55:001
2346831995646,7cyclictest2384909-21latency_hist21:10:011
2346829995648,6cyclictest2394760-21kworker/u8:2+flush-179:021:45:220
2346831995548,5cyclictest2446993-21apt-get00:20:121
2346831995546,7cyclictest2366049-21/usr/sbin/munin20:10:241
2346829995547,6cyclictest266-21systemd-journal22:40:000
2346829995547,6cyclictest2362602-21kworker/u8:0+flush-179:020:25:250
2346836995452,1cyclictest0-21swapper/323:21:003
2346831995435,18cyclictest2399471-21kworker/u8:1+flush-179:022:00:001
2346829995448,4cyclictest2383301-21kworker/u8:2+flush-179:021:20:000
2346829995346,5cyclictest2354930-21apt-get19:35:120
4577091520,14ptp4l441ktimers/319:10:003
2346831995243,7cyclictest266-21systemd-journal00:04:111
2346831995243,7cyclictest266-21systemd-journal00:04:101
2346829995248,2cyclictest714-21Xorg20:15:580
2346829995245,4cyclictest2368965-21kworker/u8:1+flush-179:020:30:240
2346829995244,5cyclictest2391511-21kworker/u8:0+flush-179:021:40:000
2346829995242,7cyclictest2446731-21latency_hist00:20:010
2346829995231,4cyclictest2441992-21systemd-run00:04:590
2346829995231,4cyclictest2441992-21systemd-run00:04:590
2346831995138,12cyclictest2377005-21kworker/u8:3+flush-179:020:45:011
2346829995143,5cyclictest2391511-21kworker/u8:0+events_unbound21:50:230
2346829995044,4cyclictest2391511-21kworker/u8:0+flush-179:021:40:010
2346829995043,5cyclictest2362602-21kworker/u8:0+flush-179:020:35:170
2346829994943,4cyclictest2415412-21kworker/u8:0+flush-179:022:50:240
2346829994940,7cyclictest2388406-21kworker/u8:1+flush-179:021:30:220
2346829994939,7cyclictest2428797-21kworker/u8:3+flush-179:023:29:590
2346829994936,8cyclictest0-21swapper/022:59:590
2346831994841,5cyclictest2399471-21kworker/u8:1+flush-179:022:05:211
2346831994840,5cyclictest2408479-21kworker/u8:0+flush-179:022:30:001
2346831994839,7cyclictest266-21systemd-journal23:45:001
2346829994843,3cyclictest266-21systemd-journal22:33:280
2346829994842,4cyclictest2346735-21kworker/u8:2+events_unbound19:20:020
2346829994840,5cyclictest2449909-21latency_hist00:30:020
2346829994834,11cyclictest2384918-21apt-get21:10:000
2346829994737,8cyclictest2370595-21latency_hist20:25:010
2346836994644,1cyclictest0-21swapper/323:03:593
234683199461,43cyclictest714-21Xorg19:26:591
2346831994541,2cyclictest714-21Xorg22:17:591
2346831994535,8cyclictest2433662-21kworker/u8:1+flush-179:023:40:011
2346829994538,5cyclictest2394763-21kworker/u8:3+events_unbound22:10:240
234682999451,42cyclictest714-21Xorg20:02:580
2346829994437,5cyclictest2362638-21sendmail20:00:000
2346829994436,6cyclictest2362602-21kworker/u8:0+flush-179:020:50:000
2346829994434,5cyclictest0-21swapper/020:12:590
2346831994339,3cyclictest2383301-21kworker/u8:2+flush-179:021:10:251
2346831994336,6cyclictest266-21systemd-journal20:55:001
2346831994336,5cyclictest2362898-21apt-get20:00:131
2346831994239,2cyclictest0-21swapper/121:02:591
2346831994237,3cyclictest714-21Xorg00:12:581
2346831994226,15cyclictest2423424-21latency_hist23:10:001
2346829994235,5cyclictest2445147-21awk00:15:000
2346834994138,2cyclictest0-21swapper/219:27:002
2346831994137,3cyclictest2443583-21systemd-run00:10:011
2346831994135,5cyclictest2391549-21turbostat21:34:551
234682999411,38cyclictest2433687-21apt23:40:010
234682999411,36cyclictest2350171-21apt-get19:20:140
234682999410,39cyclictest2409062-21perf22:25:000
234683699400,38cyclictest2380143-21turbostat20:55:003
2346831994037,2cyclictest714-21Xorg20:28:591
2346831994035,3cyclictest2413810-21apt22:40:001
234683199401,37cyclictest714-21Xorg19:40:591
234683199400,2cyclictest714-21Xorg19:59:591
2346829994035,3cyclictest2407474-21sendmail-msp22:19:590
2346829994032,6cyclictest2418610-21kworker/u8:2+events_unbound23:10:240
234682999401,37cyclictest714-21Xorg00:37:580
2346836993932,6cyclictest2399499-21turbostat21:55:003
234683699390,38cyclictest2449927-21turbostat00:30:013
234683699390,37cyclictest2443551-21turbostat00:10:003
234683699390,37cyclictest2375364-21turbostat20:40:003
234683699390,32cyclictest2420169-21turbostat23:00:013
2346829993927,9cyclictest266-21systemd-journal21:30:000
2346834993834,2cyclictest0-21swapper/220:36:592
234683499380,29cyclictest0-21swapper/222:10:012
2346831993832,4cyclictest2407713-21apt-get22:20:111
2346831993826,9cyclictest266-21systemd-journal19:40:001
234683199380,36cyclictest714-21Xorg23:53:591
234682999382,33cyclictest908065-21snmpd23:05:140
2346836993735,1cyclictest0-21swapper/300:17:593
234683699370,35cyclictest0-21swapper/320:55:593
2346834993735,1cyclictest0-21swapper/220:00:002
2346834993734,2cyclictest0-21swapper/223:52:592
234683499370,35cyclictest0-21swapper/220:04:592
2346831993734,2cyclictest0-21swapper/122:00:591
2346831993734,2cyclictest0-21swapper/119:20:581
234683199370,35cyclictest2354695-21ls19:35:011
2346829993729,6cyclictest2408479-21kworker/u8:0+events_unbound22:25:240
2346829993728,7cyclictest2383301-21kworker/u8:2+flush-179:021:02:290
2346836993634,1cyclictest0-21swapper/320:34:553
2346836993631,4cyclictest2432091-21turbostat23:34:593
234683699360,35cyclictest0-21swapper/322:36:593
2346834993633,2cyclictest0-21swapper/219:41:002
234683499360,1cyclictest0-21swapper/223:33:592
234683499360,1cyclictest0-21swapper/221:48:592
234683499360,1cyclictest0-21swapper/200:33:002
2346831993633,2cyclictest714-21Xorg19:18:581
2346829993630,4cyclictest2435279-21munin-run23:45:010
2346829993630,4cyclictest2416994-21munin-run22:50:000
2346829993626,6cyclictest0-21swapper/019:12:590
2346836993533,1cyclictest0-21swapper/323:48:593
2346836993533,1cyclictest0-21swapper/323:39:003
2346836993533,1cyclictest0-21swapper/323:20:003
2346836993533,1cyclictest0-21swapper/321:31:593
2346836993533,1cyclictest0-21swapper/319:25:593
2346836993533,1cyclictest0-21swapper/300:38:583
234683699350,1cyclictest0-21swapper/323:55:593
234683699350,1cyclictest0-21swapper/319:48:583
234683699350,1cyclictest0-21swapper/319:48:583
234683499350,1cyclictest0-21swapper/223:24:592
234683499350,1cyclictest0-21swapper/221:32:592
2346831993531,3cyclictest484-21dbus-daemon22:50:001
2346831993530,3cyclictest1-21systemd21:50:001
2346831993527,4cyclictest0-21swapper/120:23:001
2346831993526,7cyclictest2365812-21latency_hist20:10:011
234683199351,31cyclictest2394984-21apt-get21:40:131
2346829993530,3cyclictest2426937-21apt-key23:20:010
234682999351,31cyclictest2399738-21apt-get21:55:110
2346836993432,1cyclictest0-21swapper/323:29:543
2346836993432,1cyclictest0-21swapper/300:31:593
2346836993432,1cyclictest0-21swapper/300:14:553
2346834993431,2cyclictest0-21swapper/221:02:592
2346834993431,2cyclictest0-21swapper/220:16:592
2346834993431,2cyclictest0-21swapper/220:10:592
234683499340,1cyclictest0-21swapper/220:40:592
234683199341,31cyclictest2359706-21apt-get19:50:121
234682999342,4cyclictest2430753-21apt-get23:30:120
2346834993330,2cyclictest0-21swapper/221:07:592
4577091320,11ptp4l441ktimers/321:59:553
4577091320,11ptp4l441ktimers/321:25:003
2346836993230,1cyclictest0-21swapper/322:34:593
2346834993230,1cyclictest0-21swapper/222:17:592
2346834993229,2cyclictest0-21swapper/200:12:592
2346831993228,3cyclictest2421744-21kworker/u8:0+flush-179:023:01:121
2346831993228,3cyclictest2388487-21latency_hist21:20:011
2346831993227,4cyclictest2428725-21apt-key23:24:591
2346831993227,3cyclictest0-21swapper/120:45:001
2346831993227,2cyclictest714-21Xorg21:25:591
234683199321,3cyclictest0-21swapper/100:15:141
234682999320,30cyclictest0-21swapper/020:55:110
4577091310,4ptp4l441ktimers/322:25:013
2346836993129,1cyclictest0-21swapper/322:49:593
2346834993128,2cyclictest0-21swapper/222:46:592
2346834993127,2cyclictest0-21swapper/220:28:592
2346834993126,2cyclictest0-21swapper/200:35:032
234683199312,2cyclictest0-21swapper/100:25:131
2346829993125,4cyclictest2413270-21kworker/u8:3+flush-179:022:40:210
2346829993124,5cyclictest2357899-21kworker/u8:1+flush-179:019:45:210
2346829993124,5cyclictest2357899-21kworker/u8:1+flush-179:019:45:210
2346836993027,2cyclictest0-21swapper/321:11:593
2346836993025,4cyclictest2357880-21turbostat19:45:003
2346834993027,2cyclictest0-21swapper/220:45:142
234683499300,27cyclictest0-21swapper/219:35:002
234683499300,22cyclictest0-21swapper/222:00:592
2346831993024,4cyclictest2417957-21needreboot22:50:201
2346831993024,4cyclictest2389327-21needreboot21:20:221
2346829993026,3cyclictest0-21swapper/022:10:010
234682999300,29cyclictest0-21swapper/000:05:150
2346836992927,1cyclictest0-21swapper/322:14:593
2346836992926,2cyclictest0-21swapper/321:15:133
234683699290,28cyclictest0-21swapper/300:20:133
234683699290,27cyclictest0-21swapper/322:50:123
234683699290,27cyclictest0-21swapper/320:15:153
234683699290,27cyclictest0-21swapper/320:00:143
2346834992927,1cyclictest0-21swapper/200:09:592
2346834992926,2cyclictest0-21swapper/223:48:002
2346834992925,2cyclictest0-21swapper/220:53:002
234683499290,27cyclictest0-21swapper/223:25:022
234683499290,27cyclictest0-21swapper/223:15:022
234683499290,27cyclictest0-21swapper/221:10:012
234683499290,27cyclictest0-21swapper/219:50:122
234683499290,27cyclictest0-21swapper/219:21:592
2346831992926,2cyclictest2368965-21kworker/u8:1+flush-179:020:30:161
2346831992925,3cyclictest2391511-21kworker/u8:0+flush-179:021:36:341
2346831992921,6cyclictest2426751-21kworker/u8:0+flush-179:023:30:261
2346829992926,2cyclictest0-21swapper/020:42:590
2346829992925,3cyclictest2364865-21fschecks_time20:05:160
2346829992922,5cyclictest2346735-21kworker/u8:2+events_unbound19:25:210
4577091280,7ptp4l61490irq/134-eno1-TxRx-019:55:013
4577091280,6ptp4l61490irq/134-eno1-TxRx-020:30:013
4577091280,6ptp4l61490irq/134-eno1-TxRx-019:35:003
4577091280,6ptp4l61490irq/134-eno1-TxRx-019:25:013
4577091280,6ptp4l441ktimers/323:10:013
4577091280,6ptp4l441ktimers/321:05:003
4577091280,6ptp4l441ktimers/320:00:003
4577091280,6ptp4l441ktimers/319:40:013
4577091280,5ptp4l441ktimers/321:45:013
2346836992826,1cyclictest0-21swapper/322:43:593
2346836992826,1cyclictest0-21swapper/321:05:593
2346836992826,1cyclictest0-21swapper/319:10:113
234683699280,27cyclictest0-21swapper/323:50:123
2346834992826,1cyclictest0-21swapper/222:40:002
2346834992825,2cyclictest0-21swapper/223:40:132
2346834992825,2cyclictest0-21swapper/222:25:132
2346834992825,2cyclictest0-21swapper/221:40:132
234683499280,26cyclictest0-21swapper/221:36:592
234683499280,26cyclictest0-21swapper/219:18:582
234683499280,26cyclictest0-21swapper/200:25:132
234683499280,26cyclictest0-21swapper/200:15:142
234682999284,19cyclictest2304-21lightdm-gtk-gre19:53:000
4577091270,7ptp4l61490irq/134-eno1-TxRx-020:25:003
4577091270,6ptp4l61490irq/134-eno1-TxRx-022:04:553
4577091270,6ptp4l441ktimers/320:14:553
4577091270,6ptp4l441ktimers/319:19:563
4577091270,6ptp4l441ktimers/300:04:553
4577091270,6ptp4l441ktimers/300:04:553
4577091270,5ptp4l441ktimers/322:19:593
234683699270,26cyclictest0-21swapper/320:50:003
2346834992724,2cyclictest0-21swapper/220:08:592
2346834992723,2cyclictest0-21swapper/219:49:552
2346834992723,2cyclictest0-21swapper/219:49:552
234683499270,25cyclictest0-21swapper/222:32:592
234683499270,25cyclictest0-21swapper/222:24:592
4577091260,6ptp4l61490irq/134-eno1-TxRx-021:50:003
4577091260,5ptp4l61490irq/134-eno1-TxRx-022:09:553
4577091260,5ptp4l61490irq/134-eno1-TxRx-020:45:003
4577091260,5ptp4l441ktimers/323:44:563
2346834992623,2cyclictest0-21swapper/221:25:592
2346834992623,2cyclictest0-21swapper/219:36:592
2346834992622,2cyclictest0-21swapper/221:55:122
234683499260,24cyclictest0-21swapper/223:37:592
234683499260,24cyclictest0-21swapper/222:50:592
234683499260,24cyclictest0-21swapper/221:20:592
2346831992620,4cyclictest2424970-21http23:15:011
2346829992620,4cyclictest2346849-21latency_hist19:10:010
4577091250,4ptp4l441ktimers/321:40:013
234683699250,24cyclictest0-21swapper/321:28:593
2346834992523,1cyclictest0-21swapper/223:04:592
2346834992521,2cyclictest0-21swapper/222:55:582
2346834992422,1cyclictest0-21swapper/223:14:592
2346834992421,2cyclictest0-21swapper/223:55:582
2346834992320,2cyclictest0-21swapper/222:11:002
2346834992320,2cyclictest0-21swapper/221:15:592
2346834992219,2cyclictest0-21swapper/220:58:592
2346834992017,2cyclictest0-21swapper/219:10:182
2346834991917,1cyclictest0-21swapper/200:02:002
2346834991917,1cyclictest0-21swapper/200:02:002
231999190,10rtkit-daemon495-21gpm19:09:211
2346834991714,2cyclictest0-21swapper/221:54:552
2346834991714,2cyclictest0-21swapper/220:34:552
2346834991513,1cyclictest0-21swapper/223:10:002
2346834991310,2cyclictest0-21swapper/222:43:582
234683499107,2cyclictest0-21swapper/200:23:582
23468349974,2cyclictest0-21swapper/220:24:552
23468349940,3cyclictest0-21swapper/219:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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