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2026-02-20 - 15:07
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, slot #3

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rackeslot3s.osadl.org (updated Fri Feb 20, 2026 00:45:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3855312997454,14cyclictest30-21ksoftirqd/219:20:022
3855312997454,14cyclictest30-21ksoftirqd/219:20:012
3855312996827,37cyclictest3910452-21sh22:57:112
385531299682,14cyclictest3890264-21sshd22:12:592
385531299671,13cyclictest48-21kcompactd000:20:222
3855312996411,48cyclictest3857863-21grep20:00:012
385531299631,12cyclictest3856549-21sshd19:34:152
385530699633,41cyclictest131rcu_preempt23:54:370
3855312996226,32cyclictest3859272-21latency_hist20:25:012
385531299622,13cyclictest3856826-21munin-run19:40:012
385531299622,13cyclictest3856826-21munin-run19:40:002
385531299621,13cyclictest364-21snmpd19:44:022
385530699621,3cyclictest131rcu_preempt00:05:020
3855312996154,4cyclictest3950735-21kworker/2:000:30:022
3855312996154,4cyclictest3950735-21kworker/2:000:30:012
3855312996151,6cyclictest3857612-21kworker/2:023:20:012
3855312996128,29cyclictest30-21ksoftirqd/223:02:252
385531299612,14cyclictest3893440-21munin-run22:20:022
3855312996117,40cyclictest30-21ksoftirqd/222:06:432
385531299611,14cyclictest3873607-21sshd21:36:162
385531299611,11cyclictest3870787-21latency_hist21:30:032
385531299603,8cyclictest3905026-21ssh22:45:042
385531299603,14cyclictest3936030-21ssh23:53:362
385531299602,14cyclictest48-21kcompactd022:54:302
385531299602,14cyclictest3926744-21sshd23:33:112
3855312996015,41cyclictest3877625-21cut21:45:022
3855312996011,6cyclictest30-21ksoftirqd/219:53:172
385531299601,11cyclictest3858400-21munin-run20:10:012
3855312996010,4cyclictest0-21swapper/222:40:202
3855306996041,13cyclictest1-21systemd20:50:000
3855312995922,33cyclictest30-21ksoftirqd/221:54:462
385531299591,13cyclictest3879652-21ssh21:49:522
385531299591,13cyclictest3879652-21ssh21:49:512
385530699591,4cyclictest131rcu_preempt22:55:130
385531299582,9cyclictest3858120-21cron20:05:002
385531299582,14cyclictest3866866-21ssh21:21:242
385531299582,14cyclictest3858624-21cron20:15:012
385531299582,11cyclictest3871334-21sshd21:31:152
385531299581,15cyclictest3896101-21ssh22:25:252
385531299581,15cyclictest3864461-21ssh21:16:132
385531299581,14cyclictest3921982-21ssh23:22:292
385531299581,13cyclictest364-21snmpd21:56:532
385531299581,12cyclictest3857330-21sshd19:48:162
385531299581,10cyclictest3938550-21sshd23:59:152
3855306995818,9cyclictest275-21dbus-daemon21:20:020
3855312995746,7cyclictest3844861-21kworker/2:219:30:012
3855312995746,7cyclictest3844861-21kworker/2:219:30:002
385531299572,11cyclictest3862272-21sshd21:11:162
3855312995716,11cyclictest30-21ksoftirqd/200:02:472
385531299571,12cyclictest3861216-21sshd21:01:172
3855306995729,13cyclictest3942030-21ssh00:06:270
3855306995729,13cyclictest3942030-21ssh00:06:270
3855306995719,34cyclictest12-21ksoftirqd/023:50:010
3855306995719,34cyclictest12-21ksoftirqd/023:50:010
385531299563,8cyclictest3900206-21munin-run22:35:012
3855312995628,24cyclictest1-21systemd23:15:012
385531299562,17cyclictest3954932-21ssh00:35:002
385531299562,16cyclictest3933742-21ssh23:48:302
385531299562,16cyclictest3933742-21ssh23:48:302
385531299562,11cyclictest3945296-21ssh00:13:532
385531299561,14cyclictest3943059-21ssh00:08:592
385531299561,14cyclictest3943059-21ssh00:08:592
385531299561,14cyclictest3900495-21ssh22:35:102
385531299561,11cyclictest3928473-21ssh23:36:562
385531299561,11cyclictest3928473-21ssh23:36:562
3855312995610,5cyclictest3861132-21latency_hist21:00:032
385531099561,32cyclictest3932206-21ssh23:45:021
385530699562,16cyclictest3948046-21munin-run00:20:010
385530699562,16cyclictest3948046-21munin-run00:20:010
3855306995620,32cyclictest16850irq/134-800000023:20:350
3855306995619,32cyclictest16850irq/134-800000022:23:290
3855306995618,34cyclictest16850irq/134-800000022:45:000
385531299552,16cyclictest3916156-21munin-run23:10:012
385531299552,14cyclictest1-21systemd20:40:002
385531299552,12cyclictest3860851-21latency_hist20:55:032
385531299552,10cyclictest3885018-21modprobe22:01:172
3855312995516,34cyclictest3930753-21sh23:41:492
385531299551,13cyclictest3956679-21ssh00:38:382
385531299551,13cyclictest3956679-21ssh00:38:372
385531299551,13cyclictest3923736-21ssh23:26:192
385531299551,13cyclictest3923736-21ssh23:26:182
3855306995519,32cyclictest16850irq/134-800000023:15:340
3855306995519,32cyclictest16850irq/134-800000021:39:340
3855306995518,32cyclictest16850irq/134-800000021:58:020
385530699551,39cyclictest3951875-21ssh00:28:060
385530699551,39cyclictest3951875-21ssh00:28:060
385531299543,17cyclictest3894697-21ssh22:22:402
385531299543,17cyclictest3861529-21sh21:10:002
385531299542,12cyclictest364-21snmpd19:24:132
3855312995418,31cyclictest309-21in:imuxsock20:20:002
3855306995424,15cyclictest3943947-21ssh00:10:320
3855306995424,15cyclictest3878568-21ssh21:47:130
3855306995424,15cyclictest3878568-21ssh21:47:120
3855306995419,31cyclictest16850irq/134-800000022:54:240
3855306995419,31cyclictest16850irq/134-800000022:36:000
3855306995419,31cyclictest16850irq/134-800000022:11:560
3855306995419,31cyclictest16850irq/134-800000022:02:490
3855306995419,31cyclictest16850irq/134-800000000:36:570
3855306995419,31cyclictest16850irq/134-800000000:36:570
3855306995418,32cyclictest16850irq/134-800000022:31:340
3855306995418,32cyclictest16850irq/134-800000000:22:500
3855306995418,31cyclictest16850irq/134-800000023:43:530
3855306995418,31cyclictest16850irq/134-800000022:48:040
3855306995416,33cyclictest16850irq/134-800000023:08:440
3855312995320,28cyclictest3860309-21latency_hist20:45:022
3855312995320,28cyclictest3860309-21latency_hist20:45:012
385531299531,13cyclictest3946820-21ssh00:17:002
385531299531,13cyclictest3946820-21ssh00:17:002
385531299531,13cyclictest364-21snmpd20:34:422
3855306995339,9cyclictest3467602-21systemd-journal20:00:000
385530699532,36cyclictest3860447-21kworker/u8:321:27:410
3855306995319,30cyclictest16850irq/134-800000023:28:090
3855306995319,30cyclictest16850irq/134-800000023:28:080
3855306995318,31cyclictest16850irq/134-800000023:36:220
3855306995318,31cyclictest16850irq/134-800000023:36:220
3855306995318,31cyclictest16850irq/134-800000023:12:230
3855306995318,31cyclictest16850irq/134-800000021:54:490
3855306995318,31cyclictest16850irq/134-800000021:31:450
3855306995318,20cyclictest16850irq/134-800000023:55:150
3855306995317,32cyclictest16850irq/134-800000022:06:240
3855306995317,32cyclictest16850irq/134-800000021:10:220
3855306995317,31cyclictest16850irq/134-800000021:44:080
3855306995317,31cyclictest16850irq/134-800000021:20:170
3855306995234,14cyclictest1-21systemd20:35:010
3855306995217,31cyclictest16850irq/134-800000023:03:450
3855306995217,31cyclictest16850irq/134-800000022:26:460
3855306995217,31cyclictest16850irq/134-800000000:30:390
3855317995114,6cyclictest131rcu_preempt23:10:013
3855317995112,6cyclictest131rcu_preempt23:43:373
3855312995141,6cyclictest3856075-21kworker/2:120:27:172
3855312995136,11cyclictest1-21systemd19:15:002
3855306995116,6cyclictest16850irq/134-800000023:33:340
3855317995029,16cyclictest3884319-21munin-run22:00:003
385530699502,9cyclictest3893440-21unin-run22:20:010
3855317994824,5cyclictest37-21ksoftirqd/319:24:163
385531299484,8cyclictest3860457-21modprobe20:50:002
3855310994831,12cyclictest3893382-21cron22:19:591
3855317994731,12cyclictest275-21dbus-daemon23:20:003
385531099478,6cyclictest131rcu_preempt21:19:591
3855310994731,12cyclictest1-21systemd21:45:001
3855306994739,5cyclictest16950irq/224-800000019:24:590
385531799464,3cyclictest131rcu_preempt22:01:543
3855317994631,10cyclictest3467602-21systemd-journal00:00:003
3855317994630,11cyclictest3467602-21systemd-journal22:15:023
3855317994612,5cyclictest131rcu_preempt22:40:023
385531299462,12cyclictest3855363-21sort19:10:022
3855310994632,10cyclictest3467602-21systemd-journal21:50:011
3855310994632,10cyclictest3467602-21systemd-journal21:50:011
3855310994626,15cyclictest275-21dbus-daemon22:30:011
3855306994630,11cyclictest275-21dbus-daemon19:20:010
3855306994630,11cyclictest275-21dbus-daemon19:20:000
3855306994629,13cyclictest3860191-21sshd20:43:160
3855306994629,13cyclictest3860191-21sshd20:43:150
3855310994532,10cyclictest1-21systemd20:15:021
3855310994528,13cyclictest275-21dbus-daemon21:15:011
3855310994520,21cyclictest221rcuc/100:04:551
3855306994523,7cyclictest12-21ksoftirqd/020:03:410
385530699451,7cyclictest3859412-21kworker/u8:320:30:010
3855317994431,10cyclictest1-21systemd22:35:003
3855317994430,10cyclictest3927587-21sed23:35:013
3855317994427,11cyclictest3945787-21systemd-run00:15:013
3855317994421,17cyclictest275-21dbus-daemon20:50:003
3855317994420,5cyclictest37-21ksoftirqd/319:55:013
3855317994415,6cyclictest37-21ksoftirqd/320:15:003
385531099443,3cyclictest131rcu_preempt22:48:391
385531099443,3cyclictest131rcu_preempt21:50:571
385531099443,3cyclictest131rcu_preempt00:17:501
385531099443,3cyclictest131rcu_preempt00:17:501
385531099442,4cyclictest131rcu_preempt22:07:511
3855310994420,5cyclictest23-21ksoftirqd/123:37:471
3855310994420,5cyclictest23-21ksoftirqd/123:37:471
3855310994420,5cyclictest23-21ksoftirqd/122:00:031
385530699443,7cyclictest1-21systemd21:05:000
3855306994435,5cyclictest3860971-21sendmail21:00:000
3855306994435,5cyclictest16950irq/224-800000019:40:010
3855306994435,5cyclictest16950irq/224-800000019:40:000
3855306994430,11cyclictest3467602-21systemd-journal19:45:020
3855317994332,5cyclictest309-21in:imuxsock22:30:013
3855317994329,11cyclictest37-21ksoftirqd/322:16:153
3855317994327,11cyclictest275-21dbus-daemon22:10:013
385531799431,5cyclictest131rcu_preempt23:25:013
385531099433,3cyclictest131rcu_preempt23:21:151
3855310994330,9cyclictest1-21systemd00:10:011
3855310994330,9cyclictest1-21systemd00:10:011
3855310994330,10cyclictest309-21in:imuxsock22:45:011
3855310994329,10cyclictest3861503-21cron21:10:001
3855310994329,10cyclictest23-21ksoftirqd/121:00:011
3855310994325,12cyclictest275-21dbus-daemon23:00:011
385531099431,3cyclictest131rcu_preempt21:20:271
385530699432,36cyclictest0-21swapper/019:55:000
385531799425,8cyclictest37-21ksoftirqd/322:42:573
385531799424,3cyclictest131rcu_preempt00:38:473
385531799424,3cyclictest131rcu_preempt00:38:473
3855317994231,6cyclictest309-21in:imuxsock21:00:013
3855317994229,9cyclictest37-21ksoftirqd/323:30:003
3855317994229,9cyclictest37-21ksoftirqd/323:30:003
3855317994225,12cyclictest275-21dbus-daemon21:55:003
385531099424,3cyclictest131rcu_preempt22:35:011
385531099423,3cyclictest131rcu_preempt23:04:551
3855310994231,8cyclictest3916132-21cron23:10:001
3855310994231,8cyclictest23-21ksoftirqd/123:49:481
3855310994231,8cyclictest23-21ksoftirqd/123:49:481
3855310994229,10cyclictest1-21systemd23:35:011
3855310994225,13cyclictest3467602-21systemd-journal22:55:011
3855310994225,12cyclictest23-21ksoftirqd/122:38:581
3855306994235,4cyclictest16950irq/224-800000021:10:010
3855306994231,8cyclictest12-21ksoftirqd/019:30:030
3855306994231,8cyclictest12-21ksoftirqd/019:30:030
385530699422,8cyclictest3467602-21systemd-journal20:20:000
3855306994223,14cyclictest275-21dbus-daemon20:10:000
385531799419,6cyclictest131rcu_preempt23:15:003
385531799416,6cyclictest131rcu_preempt21:26:353
3855317994129,9cyclictest37-21ksoftirqd/323:00:003
3855317994128,10cyclictest3857841-21cron20:00:003
3855317994127,10cyclictest37-21ksoftirqd/321:10:023
3855317994127,10cyclictest3467602-21systemd-journal20:50:023
3855317994123,13cyclictest275-21dbus-daemon20:25:013
385531799411,4cyclictest131rcu_preempt22:24:403
3855310994129,8cyclictest23-21ksoftirqd/100:40:001
3855310994129,8cyclictest23-21ksoftirqd/100:39:591
385531099412,3cyclictest131rcu_preempt21:38:121
385531099412,3cyclictest131rcu_preempt20:20:011
385531099411,6cyclictest131rcu_preempt23:59:591
385531099411,3cyclictest131rcu_preempt23:50:151
385531099411,3cyclictest131rcu_preempt22:03:261
385531099411,34cyclictest3858022-21wc20:00:021
3855306994127,10cyclictest12-21ksoftirqd/020:25:020
3855317994032,5cyclictest3909313-21latency_hist22:55:033
3855317994021,6cyclictest37-21ksoftirqd/323:40:023
3855317994021,6cyclictest37-21ksoftirqd/323:40:013
3855317994020,15cyclictest3467602-21systemd-journal21:04:593
385531799401,5cyclictest131rcu_preempt20:35:003
3855317994012,18cyclictest131rcu_preempt21:49:273
3855317994012,18cyclictest131rcu_preempt21:49:263
385531099404,4cyclictest131rcu_preempt22:10:571
385531099403,3cyclictest131rcu_preempt00:31:541
3855310994030,7cyclictest3920877-21sed23:20:021
3855310994029,9cyclictest23-21ksoftirqd/119:50:001
3855310994029,7cyclictest23-21ksoftirqd/119:40:031
3855310994029,7cyclictest23-21ksoftirqd/119:40:021
3855310994026,11cyclictest23-21ksoftirqd/100:20:441
385531099402,3cyclictest131rcu_preempt21:31:351
385531099402,3cyclictest131rcu_preempt00:12:291
3855310994010,5cyclictest131rcu_preempt22:20:101
3855317993927,9cyclictest37-21ksoftirqd/321:39:293
3855317993927,10cyclictest37-21ksoftirqd/321:43:153
385531799392,3cyclictest131rcu_preempt22:45:503
3855317993922,13cyclictest3467602-21systemd-journal19:30:013
3855317993922,13cyclictest3467602-21systemd-journal19:30:003
385531799391,7cyclictest131rcu_preempt00:20:023
385531799391,7cyclictest131rcu_preempt00:20:013
3855310993928,9cyclictest23-21ksoftirqd/100:28:391
3855310993928,9cyclictest23-21ksoftirqd/100:28:381
3855310993928,8cyclictest3870811-21cut21:30:021
3855310993927,7cyclictest0-21swapper/119:10:011
3855310993918,8cyclictest23-21ksoftirqd/123:12:461
3855306993928,8cyclictest3860727-21/usr/sbin/munin20:55:010
3855317993827,9cyclictest37-21ksoftirqd/323:46:193
3855317993827,9cyclictest37-21ksoftirqd/323:46:183
3855317993827,9cyclictest37-21ksoftirqd/300:23:163
3855317993827,7cyclictest3467602-21systemd-journal23:00:163
385531799381,33cyclictest48-21kcompactd021:15:163
3855310993830,5cyclictest3855711-21sshd19:18:161
3855310993830,5cyclictest3855711-21sshd19:18:161
3855310993829,6cyclictest309-21in:imuxsock19:30:011
3855310993829,6cyclictest309-21in:imuxsock19:30:001
3855310993824,9cyclictest309-21in:imuxsock21:05:001
3855310993824,9cyclictest275-21dbus-daemon20:45:011
3855310993824,9cyclictest275-21dbus-daemon20:45:001
3855310993811,7cyclictest23-21ksoftirqd/120:35:011
385530699384,3cyclictest131rcu_preempt19:34:590
3855317993728,6cyclictest1-21systemd00:30:013
3855317993728,6cyclictest1-21systemd00:30:003
3855317993725,9cyclictest37-21ksoftirqd/321:25:023
3855317993724,8cyclictest37-21ksoftirqd/320:10:013
3855317993718,13cyclictest3467602-21systemd-journal20:45:013
3855317993718,13cyclictest3467602-21systemd-journal20:45:003
3855317993717,15cyclictest1-21systemd21:10:013
385531099374,5cyclictest131rcu_preempt20:40:011
3855310993727,7cyclictest3858100-21sshd20:01:161
3855310993726,9cyclictest23-21ksoftirqd/123:28:151
3855310993726,9cyclictest23-21ksoftirqd/123:28:141
385531099372,4cyclictest131rcu_preempt20:25:011
3855310993724,10cyclictest23-21ksoftirqd/119:24:171
3855310993722,11cyclictest275-21dbus-daemon19:55:011
3855310993722,11cyclictest23-21ksoftirqd/120:27:361
3855306993724,10cyclictest12-21ksoftirqd/019:15:000
385530699372,3cyclictest131rcu_preempt20:15:020
3855306993719,13cyclictest3467718-21lldpd20:38:150
385531799369,19cyclictest3856809-21modprobe19:40:013
385531799369,19cyclictest3856809-21modprobe19:40:003
3855317993628,5cyclictest3939682-21sh00:01:173
385531799362,7cyclictest131rcu_preempt20:30:003
3855317993624,10cyclictest37-21ksoftirqd/319:11:023
3855317993621,12cyclictest3856585-21wc19:35:013
3855317993621,11cyclictest37-21ksoftirqd/319:44:593
3855317993610,5cyclictest131rcu_preempt20:02:313
3855310993627,6cyclictest221rcuc/120:55:031
3855306993617,16cyclictest16850irq/134-800000019:44:150
385530699361,5cyclictest3855364-21cat19:10:020
3855317993527,5cyclictest3870998-21sh21:30:273
3855317993523,9cyclictest37-21ksoftirqd/300:30:363
385531799351,5cyclictest131rcu_preempt00:07:403
385531799351,5cyclictest131rcu_preempt00:07:393
385531799351,30cyclictest48-21kcompactd020:15:193
3855310993520,10cyclictest1-21systemd20:10:011
3855310993518,8cyclictest23-21ksoftirqd/120:49:531
3855317993427,4cyclictest3936064-21sh23:53:413
3855317993420,9cyclictest0-21swapper/319:49:593
3855310993424,7cyclictest3857247-21date19:45:021
385531099341,4cyclictest131rcu_preempt19:32:261
385531099341,3cyclictest131rcu_preempt19:15:021
3855317993323,7cyclictest37-21ksoftirqd/320:40:003
3855317993320,10cyclictest3855332-21cat19:10:013
3855317993017,10cyclictest1-21systemd19:20:023
3855317993017,10cyclictest1-21systemd19:20:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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