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2026-01-22 - 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 highest latencies:
System rackeslot3s.osadl.org (updated Thu Jan 22, 2026 00:45:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3103069999017,6cyclictest131rcu_preempt21:40:040
310306999698,33cyclictest131rcu_preempt23:01:570
3103069996732,20cyclictest12-21ksoftirqd/022:34:380
3103069996620,30cyclictest12-21ksoftirqd/022:42:040
310306999651,4cyclictest131rcu_preempt21:13:210
310306999651,4cyclictest131rcu_preempt21:13:210
310306999651,42cyclictest0-21swapper/023:16:500
3103069996419,30cyclictest12-21ksoftirqd/022:55:400
3103074996330,15cyclictest23-21ksoftirqd/121:49:451
310306999637,5cyclictest131rcu_preempt22:13:500
310306999632,30cyclictest131rcu_preempt22:50:030
310306999626,50cyclictest3131771-21modprobe22:00:000
310306999624,40cyclictest0-21swapper/022:55:010
3103069996216,6cyclictest131rcu_preempt21:50:020
310306999618,32cyclictest131rcu_preempt00:27:100
3103079995934,16cyclictest37-21ksoftirqd/323:33:043
3103069995926,5cyclictest131rcu_preempt21:10:020
310306999592,5cyclictest131rcu_preempt22:18:430
310306999592,5cyclictest131rcu_preempt22:18:430
3103069995914,41cyclictest12-21ksoftirqd/023:13:570
3103074995833,17cyclictest23-21ksoftirqd/100:19:121
310306999587,32cyclictest131rcu_preempt22:20:470
3103069995815,7cyclictest131rcu_preempt22:40:000
3103079995724,23cyclictest37-21ksoftirqd/321:38:583
3103074995737,8cyclictest23-21ksoftirqd/122:15:001
310306999577,6cyclictest131rcu_preempt00:11:270
3103069995719,34cyclictest16850irq/134-800000021:31:240
3103069995719,34cyclictest16850irq/134-800000021:31:240
3103069995718,6cyclictest0-21swapper/023:53:300
310306999571,40cyclictest3178149-21ssh23:42:040
3103069995710,22cyclictest131rcu_preempt21:44:200
3103079995624,21cyclictest37-21ksoftirqd/323:14:193
3103076995627,9cyclictest30-21ksoftirqd/223:00:002
3103076995614,5cyclictest131rcu_preempt22:53:162
3103069995635,13cyclictest12-21ksoftirqd/021:15:320
3103069995619,32cyclictest16850irq/134-800000000:30:380
3103069995617,34cyclictest12-21ksoftirqd/023:10:010
3103069995513,38cyclictest12-21ksoftirqd/022:26:120
3103079995431,12cyclictest37-21ksoftirqd/322:03:293
3103079995427,16cyclictest37-21ksoftirqd/322:09:213
3103079995427,16cyclictest37-21ksoftirqd/322:09:213
3103079995420,17cyclictest37-21ksoftirqd/323:37:403
3103074995425,19cyclictest23-21ksoftirqd/122:28:211
310306999545,5cyclictest131rcu_preempt21:00:020
310306999545,40cyclictest12-21ksoftirqd/023:45:350
3103069995426,13cyclictest3114694-21ssh21:21:520
3103069995426,13cyclictest3114694-21ssh21:21:520
3103069995419,31cyclictest16850irq/134-800000000:04:010
3103069995418,32cyclictest16850irq/134-800000023:24:010
3103069995418,32cyclictest16850irq/134-800000023:24:010
3103069995418,32cyclictest16850irq/134-800000000:23:300
3103069995418,31cyclictest16850irq/134-800000000:39:350
3103069995417,6cyclictest16850irq/134-800000022:03:320
310306999541,36cyclictest3116304-21ssh21:25:210
3103079995324,15cyclictest37-21ksoftirqd/322:33:193
3103076995325,11cyclictest30-21ksoftirqd/200:00:002
310306999534,11cyclictest3186043-40mandb00:00:000
3103069995334,15cyclictest275-21dbus-daemon19:40:000
3103069995334,15cyclictest275-21dbus-daemon19:39:590
3103069995326,12cyclictest3176528-21ssh23:38:350
3103069995319,6cyclictest16850irq/134-800000022:08:030
3103069995319,6cyclictest16850irq/134-800000022:08:030
3103069995319,30cyclictest16850irq/134-800000000:17:050
3103069995317,5cyclictest131rcu_preempt00:08:220
3103079995231,10cyclictest37-21ksoftirqd/321:20:203
3103079995231,10cyclictest37-21ksoftirqd/321:20:203
3103076995234,13cyclictest275-21dbus-daemon21:30:002
3103076995220,14cyclictest275-21dbus-daemon21:40:002
310306999524,44cyclictest12-21ksoftirqd/019:53:270
3103069995217,6cyclictest16850irq/134-800000023:30:080
3103069995217,31cyclictest16850irq/134-800000021:52:050
3103079995117,22cyclictest37-21ksoftirqd/323:07:563
310307699511,46cyclictest1-21systemd19:15:012
3103076995114,5cyclictest131rcu_preempt00:25:002
3103076995111,5cyclictest131rcu_preempt21:15:012
3103076995111,5cyclictest131rcu_preempt21:15:012
3103069995115,31cyclictest16850irq/134-800000023:29:390
310306999511,44cyclictest131rcu_preempt20:31:430
3103079995018,21cyclictest37-21ksoftirqd/323:17:203
3103079995018,21cyclictest37-21ksoftirqd/322:16:113
3103079995018,21cyclictest37-21ksoftirqd/322:16:113
310307999501,30cyclictest361rcuc/319:50:023
310307699506,8cyclictest30-21ksoftirqd/200:36:452
3103076995034,12cyclictest3467602-21systemd-journal19:25:002
3103076995031,15cyclictest1-21systemd00:05:012
3103076995024,11cyclictest30-21ksoftirqd/223:25:012
3103076995024,11cyclictest30-21ksoftirqd/223:25:012
3103076995012,6cyclictest131rcu_preempt22:06:272
3103076995012,6cyclictest131rcu_preempt22:06:272
3103074995015,9cyclictest23-21ksoftirqd/121:35:011
3103074995015,9cyclictest23-21ksoftirqd/121:35:011
3103079994932,11cyclictest309-21in:imuxsock23:45:013
310307699498,6cyclictest131rcu_preempt19:55:022
3103076994935,10cyclictest30-21ksoftirqd/223:52:202
3103074994935,9cyclictest275-21dbus-daemon22:25:001
3103074994934,11cyclictest275-21dbus-daemon22:35:021
3103074994934,11cyclictest0-21swapper/123:40:011
3103074994922,12cyclictest23-21ksoftirqd/121:44:561
310306999496,5cyclictest131rcu_preempt19:29:270
310306999496,10cyclictest3106630-21munin-run20:20:000
3103079994818,20cyclictest37-21ksoftirqd/322:10:333
3103079994817,22cyclictest37-21ksoftirqd/300:17:383
3103079994816,23cyclictest37-21ksoftirqd/300:29:193
3103079994814,25cyclictest37-21ksoftirqd/323:51:353
3103076994830,12cyclictest3467602-21systemd-journal19:35:002
3103076994810,6cyclictest131rcu_preempt21:10:012
3103074994831,13cyclictest3140912-21sendmail22:20:001
3103074994831,13cyclictest3140912-21sendmail22:20:001
310306999489,5cyclictest131rcu_preempt20:10:020
3103069994834,10cyclictest3467602-21systemd-journal19:25:010
310306999482,41cyclictest3467602-21systemd-journal19:20:000
3103079994727,9cyclictest37-21ksoftirqd/321:55:173
3103079994717,21cyclictest37-21ksoftirqd/300:24:563
310307699476,6cyclictest131rcu_preempt21:00:012
310307699476,5cyclictest131rcu_preempt23:30:012
310307699474,6cyclictest131rcu_preempt23:45:012
310307699472,5cyclictest3177091-21ssh23:40:002
3103076994722,21cyclictest30-21ksoftirqd/222:38:102
3103076994710,6cyclictest131rcu_preempt22:15:022
3103074994725,16cyclictest275-21dbus-daemon19:55:011
3103074994713,4cyclictest3150144-21latency_hist22:40:031
3103074994711,4cyclictest3109216-21diskmemload21:20:021
3103069994719,6cyclictest12-21ksoftirqd/020:15:010
310307999464,3cyclictest131rcu_preempt23:47:103
3103079994628,12cyclictest275-21dbus-daemon21:15:013
3103079994628,12cyclictest275-21dbus-daemon21:15:013
3103079994627,9cyclictest37-21ksoftirqd/321:32:463
3103079994627,9cyclictest37-21ksoftirqd/321:32:463
3103079994618,17cyclictest37-21ksoftirqd/322:58:413
3103079994617,22cyclictest37-21ksoftirqd/300:02:453
3103079994617,18cyclictest37-21ksoftirqd/300:06:453
3103079994616,21cyclictest37-21ksoftirqd/321:18:293
3103079994616,20cyclictest37-21ksoftirqd/321:42:193
310307999461,42cyclictest37-21ksoftirqd/322:55:033
310307699469,7cyclictest131rcu_preempt22:35:022
310307699468,6cyclictest131rcu_preempt00:18:242
310307699465,5cyclictest131rcu_preempt21:55:002
310307699464,5cyclictest131rcu_preempt22:30:012
3103076994629,13cyclictest3467602-21systemd-journal20:05:002
310307699462,6cyclictest131rcu_preempt19:45:002
3103076994622,5cyclictest30-21ksoftirqd/223:16:592
3103076994622,5cyclictest30-21ksoftirqd/221:20:002
3103076994620,9cyclictest30-21ksoftirqd/222:20:012
3103076994620,9cyclictest30-21ksoftirqd/222:20:012
3103076994619,9cyclictest30-21ksoftirqd/220:40:002
3103074994632,11cyclictest3152333-21sed22:45:021
3103074994631,7cyclictest23-21ksoftirqd/123:24:091
3103074994631,7cyclictest23-21ksoftirqd/123:24:091
3103074994610,5cyclictest131rcu_preempt22:05:011
310306999464,7cyclictest12-21ksoftirqd/020:55:000
310307999455,7cyclictest37-21ksoftirqd/321:10:013
3103079994534,8cyclictest3108662-21sshd20:58:273
3103079994531,10cyclictest37-21ksoftirqd/320:00:013
3103079994518,17cyclictest37-21ksoftirqd/323:29:283
3103079994517,18cyclictest37-21ksoftirqd/300:36:263
3103079994515,21cyclictest37-21ksoftirqd/300:30:293
3103079994514,19cyclictest37-21ksoftirqd/322:24:433
3103079994512,23cyclictest37-21ksoftirqd/323:00:173
310307699458,5cyclictest131rcu_preempt00:30:012
310307699456,4cyclictest3109216-21diskmemload22:04:002
310307699454,6cyclictest131rcu_preempt20:25:002
3103076994521,5cyclictest30-21ksoftirqd/223:14:582
3103076994521,5cyclictest30-21ksoftirqd/221:47:472
3103076994519,22cyclictest30-21ksoftirqd/221:55:582
3103076994515,7cyclictest30-21ksoftirqd/222:25:022
310307499459,6cyclictest131rcu_preempt23:45:001
3103074994530,12cyclictest3467602-21systemd-journal21:01:481
3103074994527,12cyclictest275-21dbus-daemon00:25:011
3103074994522,6cyclictest23-21ksoftirqd/123:20:001
3103074994516,14cyclictest23-21ksoftirqd/123:59:581
3103074994514,19cyclictest23-21ksoftirqd/120:20:011
310306999459,5cyclictest131rcu_preempt20:30:010
310306999452,5cyclictest131rcu_preempt19:15:020
3103079994425,13cyclictest3467602-21systemd-journal19:30:003
310307699449,7cyclictest131rcu_preempt20:00:002
3103076994430,11cyclictest30-21ksoftirqd/222:45:122
3103076994423,15cyclictest275-21dbus-daemon19:30:002
3103076994420,5cyclictest30-21ksoftirqd/223:46:532
3103076994420,5cyclictest30-21ksoftirqd/223:32:512
3103076994420,5cyclictest30-21ksoftirqd/223:06:352
3103076994420,5cyclictest30-21ksoftirqd/221:40:322
3103076994420,4cyclictest30-21ksoftirqd/223:00:032
3103076994419,6cyclictest30-21ksoftirqd/222:44:142
3103076994416,12cyclictest30-21ksoftirqd/219:40:012
3103076994416,12cyclictest30-21ksoftirqd/219:40:012
310307499449,5cyclictest131rcu_preempt23:54:381
310307499447,5cyclictest131rcu_preempt22:52:111
310307499443,6cyclictest131rcu_preempt23:50:001
3103074994432,9cyclictest1-21systemd20:00:001
3103074994429,10cyclictest275-21dbus-daemon20:10:001
3103074994428,6cyclictest23-21ksoftirqd/122:05:381
3103074994428,6cyclictest23-21ksoftirqd/122:05:381
3103074994427,13cyclictest1-21systemd20:50:001
3103074994426,13cyclictest275-21dbus-daemon20:05:001
3103074994419,5cyclictest23-21ksoftirqd/122:48:391
310307499441,3cyclictest131rcu_preempt00:40:001
3103069994422,19cyclictest12-21ksoftirqd/020:25:020
310306999441,6cyclictest3104360-21sort19:35:020
310307999437,6cyclictest131rcu_preempt20:25:023
310307999436,6cyclictest131rcu_preempt21:49:273
310307999436,6cyclictest131rcu_preempt20:20:003
310307999434,3cyclictest131rcu_preempt22:45:453
310307999434,3cyclictest131rcu_preempt00:12:453
3103079994317,6cyclictest131rcu_preempt21:05:003
3103079994316,16cyclictest37-21ksoftirqd/323:56:553
3103079994314,19cyclictest37-21ksoftirqd/322:35:063
3103079994310,6cyclictest131rcu_preempt19:55:013
3103076994320,4cyclictest30-21ksoftirqd/221:32:312
3103076994320,4cyclictest30-21ksoftirqd/221:32:312
3103076994319,5cyclictest30-21ksoftirqd/219:50:002
3103076994319,5cyclictest30-21ksoftirqd/200:11:352
3103076994318,9cyclictest30-21ksoftirqd/219:20:012
310307699431,5cyclictest131rcu_preempt20:20:002
3103076994315,22cyclictest131rcu_preempt00:31:422
310307499434,3cyclictest131rcu_preempt21:36:081
3103074994320,4cyclictest23-21ksoftirqd/123:30:171
310306999433,5cyclictest131rcu_preempt21:05:020
3103069994329,9cyclictest309-21in:imuxsock19:41:360
310306999432,3cyclictest131rcu_preempt20:45:270
3103069994318,5cyclictest12-21ksoftirqd/019:10:000
310307999423,3cyclictest131rcu_preempt21:25:033
3103079994232,7cyclictest1-21systemd22:30:013
3103079994226,11cyclictest275-21dbus-daemon19:45:003
3103079994215,9cyclictest48-21kcompactd022:43:373
3103079994213,20cyclictest37-21ksoftirqd/321:50:063
310307699424,6cyclictest131rcu_preempt20:55:012
310307699423,5cyclictest131rcu_preempt20:35:012
310307699423,5cyclictest131rcu_preempt00:10:022
3103076994219,6cyclictest30-21ksoftirqd/221:05:002
3103076994219,5cyclictest30-21ksoftirqd/220:05:272
3103076994213,15cyclictest3108194-21munin-run20:50:012
310307499425,3cyclictest131rcu_preempt00:04:431
310307499423,3cyclictest131rcu_preempt00:07:521
3103074994228,10cyclictest275-21dbus-daemon20:30:011
3103074994219,4cyclictest23-21ksoftirqd/121:30:001
3103074994217,15cyclictest23-21ksoftirqd/122:58:281
3103074994211,19cyclictest23-21ksoftirqd/121:20:531
3103074994211,19cyclictest23-21ksoftirqd/121:20:531
310306999422,35cyclictest3107910-21sshd20:43:280
310306999422,35cyclictest3107910-21sshd20:43:280
3103069994211,5cyclictest131rcu_preempt20:40:010
3103079994127,10cyclictest1-21systemd20:15:013
3103079994126,6cyclictest3104749-21latency_hist19:40:033
3103079994126,6cyclictest3104749-21latency_hist19:40:033
310307699413,5cyclictest131rcu_preempt21:23:272
310307699413,5cyclictest131rcu_preempt21:23:272
3103076994129,9cyclictest30-21ksoftirqd/220:25:352
310307699411,5cyclictest131rcu_preempt20:41:272
310307699411,5cyclictest131rcu_preempt20:41:272
310307499414,4cyclictest131rcu_preempt00:32:361
310307499413,6cyclictest131rcu_preempt00:15:001
3103074994128,10cyclictest3165859-21cat23:15:021
310307499412,6cyclictest131rcu_preempt19:10:011
3103074994124,12cyclictest275-21dbus-daemon23:10:001
3103074994124,12cyclictest275-21dbus-daemon00:30:011
3103074994120,12cyclictest23-21ksoftirqd/121:54:311
3103074994119,4cyclictest23-21ksoftirqd/121:14:041
3103074994119,4cyclictest23-21ksoftirqd/121:14:041
3103074994118,7cyclictest23-21ksoftirqd/121:00:001
310307499411,5cyclictest131rcu_preempt19:20:021
3103074994115,18cyclictest23-21ksoftirqd/123:00:021
3103074994114,19cyclictest23-21ksoftirqd/123:26:571
3103069994119,6cyclictest131rcu_preempt20:00:010
3103069994119,5cyclictest12-21ksoftirqd/020:00:020
310307999407,9cyclictest37-21ksoftirqd/319:35:013
310307999405,3cyclictest131rcu_preempt23:24:163
310307999405,3cyclictest131rcu_preempt23:24:153
3103076994024,4cyclictest30-21ksoftirqd/220:15:012
310307499408,5cyclictest131rcu_preempt20:43:281
310307499408,5cyclictest131rcu_preempt20:43:281
310307499404,6cyclictest131rcu_preempt20:35:011
310307499404,5cyclictest131rcu_preempt19:50:001
3103074994029,8cyclictest23-21ksoftirqd/121:55:051
310307499402,6cyclictest131rcu_preempt19:35:001
310307499402,5cyclictest131rcu_preempt20:55:011
3103069994013,18cyclictest131rcu_preempt19:45:280
3103079993927,9cyclictest37-21ksoftirqd/320:30:023
3103079993923,11cyclictest275-21dbus-daemon20:55:003
310307699393,6cyclictest131rcu_preempt19:10:012
310307499394,5cyclictest131rcu_preempt21:10:001
310307499391,34cyclictest3104610-21sed19:40:021
310307499391,34cyclictest3104610-21sed19:40:021
3103079993825,9cyclictest3107730-21cut20:40:023
3103079993825,10cyclictest1-21systemd19:20:003
3103079993818,4cyclictest3106231-21latency_hist20:10:023
3103079993815,5cyclictest3108028-21latency_hist20:45:023
3103079993815,5cyclictest3108028-21latency_hist20:45:023
310307499384,3cyclictest131rcu_preempt20:15:021
3103079993727,7cyclictest3108213-21date20:50:013
3103079993723,10cyclictest3105884-21cat20:05:013
3103079993715,5cyclictest37-21ksoftirqd/319:25:013
310307999371,4cyclictest131rcu_preempt19:15:013
310307499372,5cyclictest131rcu_preempt19:15:011
3103074993518,3cyclictest23-21ksoftirqd/119:25:251
3103074993515,5cyclictest23-21ksoftirqd/120:22:271
310307499347,5cyclictest0-21swapper/120:40:011
3103074993417,3cyclictest23-21ksoftirqd/119:25:011
3103074993314,5cyclictest23-21ksoftirqd/119:45:011
3103079993222,8cyclictest37-21ksoftirqd/319:10:013
310307999313,4cyclictest131rcu_preempt20:34:273
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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