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2026-02-09 - 13:36
[ 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 the 792 highest latencies:
System rackeslot3s.osadl.org (updated Mon Feb 09, 2026 00:45:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
359179997873,3cyclictest150-21pr/ttyS219:25:020
359179997237,15cyclictest445148-21ssh00:05:020
35919499692,17cyclictest457728-21ssh00:32:393
359187996828,36cyclictest375750-21sh21:32:362
359187996828,36cyclictest375750-21sh21:32:352
359182996827,4cyclictest399031-21sh22:23:421
359182996822,9cyclictest406632-21sed22:40:011
359194996725,38cyclictest453903-21sshd00:24:173
35919499672,19cyclictest440107-21ssh23:54:133
35918799672,15cyclictest37708450ssh21:35:132
35918799671,17cyclictest391526-21ssh22:07:082
35918299675,22cyclictest359913-21modprobe19:25:001
359179996725,38cyclictest12-21ksoftirqd/023:53:020
359187996638,24cyclictest445785-21sshd00:06:162
359187996638,24cyclictest445785-21sshd00:06:162
35919499651,60cyclictest48-21kcompactd023:39:513
35918299654,23cyclictest442742-21latency_hist00:00:031
35918299654,23cyclictest442742-21latency_hist00:00:031
359182996522,15cyclictest1-21systemd21:05:011
35919499645,3cyclictest131rcu_preempt20:45:023
35919499645,3cyclictest131rcu_preempt20:45:013
35919499642,15cyclictest404116-21munin-run22:35:003
35919499641,17cyclictest368736-21ssh21:17:043
359182996420,14cyclictest3467602-21systemd-journal20:30:001
359187996327,32cyclictest380297-21sh21:42:302
359187996325,34cyclictest438221-21sh23:50:002
359187996325,34cyclictest438221-21sh23:49:592
35918799632,21cyclictest390421-21munin-run22:05:022
35918799632,18cyclictest435166-21ssh23:43:042
35918799632,16cyclictest372069-21sh21:24:292
359187996319,40cyclictest1-21systemd22:20:012
359187996319,40cyclictest1-21systemd22:20:002
359182996323,7cyclictest1-21systemd21:55:011
359179996341,6cyclictest12-21ksoftirqd/021:52:260
359194996230,28cyclictest430903-21sh23:33:423
35919499621,16cyclictest460220-21ssh00:38:093
35919499621,15cyclictest393557-21ssh22:11:323
35918799628,8cyclictest131rcu_preempt20:25:022
359187996223,35cyclictest30-21ksoftirqd/221:30:012
35918799622,17cyclictest361222-21munin-run19:50:022
35918799622,15cyclictest451744-21ssh00:19:342
35918799621,13cyclictest430514-21sshd23:32:472
359179996227,25cyclictest0-21swapper/023:20:020
359179996227,25cyclictest0-21swapper/023:20:020
359179996226,15cyclictest447740-21ssh00:10:280
35919499612,16cyclictest406035-21ssh22:39:093
359187996122,35cyclictest415452-21sh22:59:572
35918799612,18cyclictest383146-21ssh21:48:572
35918799611,15cyclictest405364-21ssh22:37:342
359187996111,46cyclictest362637-21ls20:15:022
359182996127,12cyclictest370009-21systemctl21:20:001
359194996027,30cyclictest37-21ksoftirqd/323:23:163
35919499602,14cyclictest436648-21ssh23:46:123
35919499602,14cyclictest436648-21ssh23:46:113
359194996021,34cyclictest412196-21sshd22:52:373
35919499601,14cyclictest411095-21grep22:50:013
35918799608,47cyclictest408676-21cron22:45:002
35918799602,16cyclictest416022-21ssh23:00:442
35918799601,18cyclictest443862-21ssh00:02:042
359179996037,14cyclictest3467602-21systemd-journal23:35:000
359194995932,23cyclictest360041-21latency_hist19:25:023
35919499592,13cyclictest362734-21modprobe20:17:173
35919499591,14cyclictest375164-21ssh21:31:133
35919499591,14cyclictest375164-21ssh21:31:123
359187995928,26cyclictest428582-21sh23:28:322
359187995928,26cyclictest428582-21sh23:28:322
35918799592,14cyclictest359648-21munin-run19:20:012
35918799591,53cyclictest275-21dbus-daemon19:15:002
35918299594,18cyclictest454212-21latency_hist00:25:001
359182995929,8cyclictest23-21ksoftirqd/121:30:021
359179995935,19cyclictest16850irq/134-800000022:20:000
359179995935,19cyclictest16850irq/134-800000022:20:000
359179995921,10cyclictest12-21ksoftirqd/000:22:140
359187995829,24cyclictest3467602-21systemd-journal23:20:002
359187995829,24cyclictest3467602-21systemd-journal23:20:002
35918799582,5cyclictest367637-21sh21:14:512
35918799582,15cyclictest433677-21munin-run23:40:012
359187995815,39cyclictest450126-1kworker/u9:200:22:202
35919499573,15cyclictest391471-21ssh22:07:013
359194995729,24cyclictest445572-21sh00:05:453
359194995729,24cyclictest445572-21sh00:05:453
35919499572,14cyclictest377020-21ssh21:35:043
35919499572,12cyclictest359262-21date19:10:023
35919499571,9cyclictest456314-21ssh00:29:403
35919499571,9cyclictest456314-21ssh00:29:403
35919499571,9cyclictest384997-21ssh21:52:573
35919499571,16cyclictest380684-21ssh21:43:263
359187995749,5cyclictest435959-21kworker/2:323:50:582
359187995729,24cyclictest388216-21cat22:00:022
359187995728,25cyclictest399539-21latency_hist22:25:022
35918799572,13cyclictest411096-21latency_hist22:50:022
35918799571,17cyclictest3467602-21systemd-journal00:30:552
35918799571,16cyclictest440737-21ssh23:55:102
35918799571,16cyclictest440737-21ssh23:55:102
35918799571,15cyclictest361654-21sed19:55:012
359182995715,10cyclictest359638-21modprobe19:20:001
359179995728,14cyclictest417561-21ssh23:04:340
35919499563,14cyclictest365374-21ssh21:10:003
359194995628,24cyclictest388510-21sh22:00:183
35919499562,15cyclictest415522-21munin-run23:00:013
35919499562,15cyclictest395558-21ssh22:15:553
35919499562,15cyclictest395558-21ssh22:15:553
359194995620,32cyclictest37-21ksoftirqd/321:55:493
35919499561,9cyclictest401241-21ssh22:28:303
35919499561,9cyclictest398701-21ssh22:22:543
35919499561,8cyclictest423598-21ssh23:17:343
35919499561,8cyclictest423598-21ssh23:17:333
35919499561,6cyclictest363554-21munin-run20:35:013
35919499561,16cyclictest447790-21ssh00:10:363
35919499561,15cyclictest442259-21ssh23:58:463
35919499561,15cyclictest442259-21ssh23:58:453
35919499561,15cyclictest383137-21sh21:48:553
35919499561,13cyclictest416295-21rm23:01:213
35919499561,10cyclictest444010-21ssh00:02:253
35918799562,14cyclictest456473-21munin-run00:30:012
35918799562,14cyclictest456473-21munin-run00:30:002
35918799561,14cyclictest360686-21/usr/sbin/munin19:40:002
359182995623,9cyclictest23-21ksoftirqd/100:32:001
359182995623,9cyclictest23-21ksoftirqd/100:26:171
359182995623,9cyclictest23-21ksoftirqd/100:26:171
359179995638,12cyclictest16950irq/224-800000021:35:000
359179995638,12cyclictest16950irq/224-800000021:35:000
359179995622,12cyclictest1-21systemd00:30:020
359179995622,12cyclictest1-21systemd00:30:020
359179995619,12cyclictest12-21ksoftirqd/019:35:010
35919499557,15cyclictest408677-21cron22:45:013
35919499553,11cyclictest1-21systemd20:50:013
35919499552,15cyclictest360272-21latency_hist19:30:023
35919499552,14cyclictest435526-21sh23:43:593
35919499552,11cyclictest363299-21systemd-run20:30:013
35919499551,16cyclictest366665-21ssh21:12:323
35919499551,13cyclictest418519-21ssh23:06:183
35918799553,6cyclictest422519-21sed23:15:032
359187995528,22cyclictest411344-21sh22:50:262
35918799552,15cyclictest403823-21sh22:34:132
35918799552,14cyclictest368156-21rm21:15:432
35918799552,13cyclictest400579-21ssh22:26:572
35918799552,13cyclictest364463-21latency_hist20:50:022
35917999555,30cyclictest0-21swapper/020:00:030
35917999555,30cyclictest0-21swapper/020:00:020
359179995538,4cyclictest16850irq/134-800000022:10:010
359179995518,33cyclictest12-21ksoftirqd/021:50:020
359179995514,37cyclictest12-21ksoftirqd/021:10:400
35919499543,9cyclictest363782-21cron20:39:593
35919499543,18cyclictest275-21dbus-daemon19:15:013
35919499542,14cyclictest371201-21sh21:22:263
359194995420,31cyclictest37-21ksoftirqd/319:45:013
35919499541,18cyclictest450365-21ssh00:16:173
35919499541,18cyclictest427429-21ssh23:25:503
35919499541,18cyclictest427429-21ssh23:25:503
35919499541,13cyclictest421883-21ssh23:14:043
35918799544,44cyclictest461046-21modprobe00:40:002
35918799542,18cyclictest419900-21ssh23:09:472
35918799542,13cyclictest360425-21munin-plugin-st19:35:002
35918799541,5cyclictest393273-21ssh22:10:542
359182995422,9cyclictest23-21ksoftirqd/120:00:021
359179995427,4cyclictest131rcu_preempt19:30:000
359179995422,15cyclictest379830-21ssh21:41:160
359179995413,35cyclictest426865-21munin-plugin-st23:24:590
35919499533,16cyclictest363039-21munin-run20:24:593
35919499532,12cyclictest373270-21sh21:27:013
359194995319,29cyclictest364806-21sshd20:58:163
35919499531,8cyclictest362700-21latency_hist20:15:023
35919499531,12cyclictest360647-21sshd19:36:573
35918799532,5cyclictest448319-21ssh00:11:502
35918799532,14cyclictest384309-21rm21:51:092
35918799532,11cyclictest364045-21modprobe20:42:092
35918799532,11cyclictest364045-21modprobe20:42:082
359179995336,12cyclictest12-21ksoftirqd/021:36:560
359179995334,14cyclictest1-21systemd19:45:000
359179995327,11cyclictest434380-21ssh23:41:130
359179995320,29cyclictest364-21snmpd20:13:520
35917999531,36cyclictest412615-21ssh22:53:360
35919499521,14cyclictest362248-21grep20:09:593
359179995224,12cyclictest403963-21ssh22:34:310
35917999521,45cyclictest372623-21sshd21:25:160
359187995136,11cyclictest3467602-21systemd-journal21:00:002
35918799511,16cyclictest361724-21munin-run20:00:002
359182995134,12cyclictest275-21dbus-daemon23:20:001
359182995134,12cyclictest275-21dbus-daemon23:19:591
359179995123,24cyclictest12-21ksoftirqd/022:05:020
35919499502,6cyclictest1-21systemd19:55:013
35918799501,6cyclictest425454-21ssh23:21:312
35917999507,6cyclictest131rcu_preempt23:59:590
35917999507,6cyclictest131rcu_preempt00:00:000
359179995042,5cyclictest16850irq/134-800000022:40:000
359179995035,9cyclictest16950irq/224-800000022:25:000
359179995034,12cyclictest275-21dbus-daemon21:59:590
35917999501,45cyclictest419994-21ssh23:10:000
35919499492,16cyclictest365106-21munin-run21:05:013
35919499491,14cyclictest360425-21munin-run19:34:593
35918799493,17cyclictest363780-21cron20:40:002
359187994929,17cyclictest363553-21systemd-run20:35:012
35918799492,5cyclictest362260-21munin-run20:10:012
35917999494,7cyclictest3467602-21systemd-journal22:40:170
359179994933,12cyclictest446779-21ssh00:08:370
359179994933,12cyclictest446779-21ssh00:08:360
359179994915,31cyclictest12-21ksoftirqd/000:32:360
35917999491,13cyclictest362768-21munin-run20:20:000
35919499481,8cyclictest361184-21sshd19:47:173
35918799482,5cyclictest360049-21latency_hist19:25:012
35917999485,5cyclictest131rcu_preempt00:15:310
359179994840,4cyclictest16850irq/134-800000021:10:010
359179994836,9cyclictest12-21ksoftirqd/022:45:140
35917999482,14cyclictest415705-21latency_hist23:00:010
359179994821,23cyclictest12-21ksoftirqd/000:37:280
359179994812,10cyclictest12-21ksoftirqd/021:20:050
35919499472,7cyclictest364716-21latency_hist20:55:023
35919499472,4cyclictest364-21snmpd19:18:013
35919499471,14cyclictest362105-21latency_hist20:05:023
35919499471,14cyclictest362105-21latency_hist20:05:023
35918799473,4cyclictest360927-21modprobe19:41:162
35918799472,14cyclictest365093-21cron21:05:012
35918799472,13cyclictest363138-21grep20:25:022
359182994732,12cyclictest1-21systemd23:05:011
359182994732,11cyclictest23-21ksoftirqd/123:10:001
35917999478,6cyclictest131rcu_preempt23:50:010
35917999478,6cyclictest131rcu_preempt23:50:010
359179994735,9cyclictest12-21ksoftirqd/023:39:300
35918799462,16cyclictest362733-21sshd20:17:172
35918799462,14cyclictest364-21snmpd20:01:112
35918799462,14cyclictest364-21snmpd20:01:102
35918799461,9cyclictest48-21kcompactd021:05:042
35918799461,10cyclictest364546-21sshd20:51:152
359182994629,13cyclictest275-21dbus-daemon00:20:001
359182994622,16cyclictest275-21dbus-daemon20:10:011
359179994631,11cyclictest3467602-21systemd-journal20:34:590
359179994630,11cyclictest1-21systemd20:30:010
359179994629,13cyclictest368144-21ssh21:15:420
359179994534,8cyclictest12-21ksoftirqd/023:13:190
359179994529,13cyclictest400201-21ssh22:26:030
359179994528,14cyclictest392933-21ssh22:10:050
35919499442,13cyclictest361745-21modprobe19:59:593
359182994434,7cyclictest23-21ksoftirqd/121:45:041
359182994428,13cyclictest23-21ksoftirqd/122:10:001
359187994328,12cyclictest275-21dbus-daemon19:30:002
359182994327,11cyclictest275-21dbus-daemon19:45:011
359179994334,6cyclictest12-21ksoftirqd/023:27:180
359179994334,6cyclictest12-21ksoftirqd/023:27:180
359179994331,8cyclictest12-21ksoftirqd/019:40:020
359182994229,8cyclictest364827-21cron21:00:001
359182994227,11cyclictest23-21ksoftirqd/123:33:431
359182994224,14cyclictest1-21systemd23:00:001
359182994224,13cyclictest0-21swapper/121:35:011
359182994224,13cyclictest0-21swapper/121:35:011
359179994236,3cyclictest16950irq/224-800000020:00:000
359179994232,7cyclictest12-21ksoftirqd/019:55:000
35918799411,12cyclictest359257-21latency_hist19:10:022
359182994131,6cyclictest150-21pr/ttyS221:59:561
359182994123,13cyclictest275-21dbus-daemon21:50:001
359182994121,14cyclictest1-21systemd20:25:001
359179994136,3cyclictest0-21swapper/019:10:010
359179994131,7cyclictest19350irq/34-mmc119:20:010
359179994130,7cyclictest364814-21cron21:00:000
359182994028,9cyclictest1-21systemd23:44:591
359182994027,9cyclictest400820-21sshd22:27:311
359182994026,11cyclictest23-21ksoftirqd/119:40:011
359182994026,10cyclictest395155-21wc22:15:031
359182994024,11cyclictest23-21ksoftirqd/100:02:031
359179994033,4cyclictest16950irq/224-800000020:50:020
359179994018,18cyclictest16950irq/224-800000020:36:170
359182993931,5cyclictest410937-21cron22:50:001
359182993929,8cyclictest23-21ksoftirqd/123:52:011
359182993926,9cyclictest1-21systemd22:35:011
359182993925,8cyclictest309-21in:imuxsock21:15:001
359182993919,15cyclictest275-21dbus-daemon00:15:011
359182993919,13cyclictest364064-21modprobe20:45:011
359182993919,13cyclictest364064-21modprobe20:45:011
359179993930,6cyclictest12-21ksoftirqd/021:05:020
35918299385,27cyclictest397205-21cron22:20:001
35918299385,27cyclictest397205-21cron22:19:591
359182993830,5cyclictest411700-21sh22:51:271
359182993818,16cyclictest275-21dbus-daemon21:40:011
35918299376,3cyclictest131rcu_preempt23:25:001
359182993728,7cyclictest23-21ksoftirqd/119:55:011
359182993728,7cyclictest23-21ksoftirqd/100:37:131
359182993725,10cyclictest23-21ksoftirqd/123:15:011
359182993724,10cyclictest23-21ksoftirqd/122:44:211
359182993722,11cyclictest23-21ksoftirqd/123:30:001
359182993722,11cyclictest23-21ksoftirqd/123:30:001
359182993710,5cyclictest131rcu_preempt19:30:031
359179993729,5cyclictest12-21ksoftirqd/020:55:010
35917999372,30cyclictest362216-21sshd20:07:020
359179993721,13cyclictest364050-21sshd20:43:160
359179993721,13cyclictest364050-21sshd20:43:160
359182993629,4cyclictest438217-21/usr/sbin/munin23:50:011
359182993629,4cyclictest438217-21/usr/sbin/munin23:50:011
359182993626,8cyclictest23-21ksoftirqd/123:35:201
359182993626,7cyclictest23-21ksoftirqd/120:03:161
359182993626,7cyclictest23-21ksoftirqd/120:03:161
359182993625,8cyclictest23-21ksoftirqd/100:05:431
359182993625,8cyclictest23-21ksoftirqd/100:05:421
359182993624,10cyclictest23-21ksoftirqd/121:23:501
359182993620,12cyclictest275-21dbus-daemon20:35:011
359182993618,11cyclictest275-21dbus-daemon20:15:011
359179993625,8cyclictest12-21ksoftirqd/019:14:590
359179993619,12cyclictest12-21ksoftirqd/019:50:010
359182993525,7cyclictest23-21ksoftirqd/119:50:021
359182993522,10cyclictest23-21ksoftirqd/122:05:021
35918299343,22cyclictest363834-21unin-run20:40:001
359182993421,9cyclictest3467602-21systemd-journal19:15:001
359179993426,5cyclictest363025-21cron20:25:000
359182993322,8cyclictest23-21ksoftirqd/120:55:021
359182993312,15cyclictest275-21dbus-daemon21:10:011
359182993217,11cyclictest0-21swapper/120:20:011
359182993124,4cyclictest359123-21latency_hist19:10:011
359182993123,5cyclictest364482-21latency_hist20:50:021
35918299304,3cyclictest131rcu_preempt19:34:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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