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2026-01-28 - 13:16
[ 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 #7, slot #7

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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack7slot7s.osadl.org (updated Wed Jan 28, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
258928969,16sleep00-21swapper/019:06:010
272428471,9sleep30-21swapper/319:07:443
259628270,8sleep20-21swapper/219:06:062
266528160,6sleep10-21swapper/119:06:581
2989992723,1cyclictest25-21ksoftirqd/123:09:531
298999260,1cyclictest28688-21diskmemload22:04:221
299199250,24cyclictest0-21swapper/200:14:592
299199250,24cyclictest0-21swapper/200:14:582
2986992523,1cyclictest13636-21ssh21:20:120
299699230,19cyclictest7999-21apt-get19:20:133
299199230,23cyclictest0-21swapper/221:24:212
299199230,1cyclictest0-21swapper/200:05:282
2996992222,0cyclictest0-21swapper/322:15:483
299199220,22cyclictest0-21swapper/222:01:572
299199220,22cyclictest0-21swapper/200:30:502
2989992220,1cyclictest0-21swapper/121:15:161
299199210,21cyclictest0-21swapper/200:37:532
2989992119,1cyclictest25-21ksoftirqd/123:40:301
298999210,21cyclictest0-21swapper/122:14:461
299199200,20cyclictest0-21swapper/221:48:122
299199200,20cyclictest0-21swapper/221:39:202
299199200,19cyclictest0-21swapper/221:13:102
2991991918,1cyclictest0-21swapper/223:42:052
299199190,19cyclictest0-21swapper/222:36:142
2989991915,1cyclictest141rcu_preempt23:26:031
2986991916,2cyclictest13-21ksoftirqd/022:46:190
174232190,0sleep00-21swapper/021:40:470
2996991816,1cyclictest0-21swapper/300:32:013
299199180,17cyclictest0-21swapper/222:07:182
2989991816,2cyclictest25-21ksoftirqd/100:07:401
2989991816,2cyclictest1240-21sshd21:12:211
2989991816,2cyclictest0-21swapper/100:20:351
2989991816,1cyclictest25-21ksoftirqd/100:27:111
298999181,16cyclictest28688-21diskmemload00:03:171
2996991715,1cyclictest1096-21ssh00:05:143
299699171,1cyclictest0-21swapper/322:57:233
299699170,16cyclictest0-21swapper/321:44:253
299199170,17cyclictest0-21swapper/222:53:512
299199170,17cyclictest0-21swapper/221:52:242
2989991715,2cyclictest25-21ksoftirqd/119:55:131
2989991715,1cyclictest141rcu_preempt22:21:311
2989991715,1cyclictest0-21swapper/122:38:111
2989991714,3cyclictest25-21ksoftirqd/123:40:001
2989991712,2cyclictest25-21ksoftirqd/122:25:311
2989991710,4cyclictest25-21ksoftirqd/100:36:571
298999170,5cyclictest0-21swapper/121:00:141
298999170,2cyclictest0-21swapper/123:13:201
298999170,16cyclictest0-21swapper/122:42:411
298999170,16cyclictest0-21swapper/121:55:011
139612170,0sleep00-21swapper/000:30:530
88182160,0chrt0-21swapper/121:35:401
298999167,2cyclictest141rcu_preempt00:16:291
298999162,1cyclictest141rcu_preempt22:51:111
298999162,13cyclictest241rcuc/123:00:531
298699160,15cyclictest0-21swapper/000:23:310
299699159,4cyclictest39-21ksoftirqd/300:35:173
299699155,1cyclictest141rcu_preempt22:27:383
2996991511,3cyclictest17489-21kworker/3:023:25:123
2996991510,3cyclictest6000-21cron21:34:593
299699150,3cyclictest0-21swapper/323:03:223
299199150,15cyclictest0-21swapper/222:22:152
299199150,13cyclictest0-21swapper/223:36:362
298999154,10cyclictest11282-21/usr/sbin/munin00:30:171
2989991514,1cyclictest0-21swapper/122:33:521
2989991513,2cyclictest28688-21diskmemload21:43:211
298999151,12cyclictest25-21ksoftirqd/122:17:251
298999151,11cyclictest5130-21runrttasks21:34:181
2989991510,2cyclictest25-21ksoftirqd/123:21:001
298999150,4cyclictest0-21swapper/121:47:581
298999150,2cyclictest0-21swapper/121:28:561
299699142,7cyclictest0-21swapper/319:30:113
2996991412,1cyclictest0-21swapper/322:04:213
299699141,11cyclictest0-21swapper/323:49:163
2996991410,3cyclictest23003-21grep19:50:133
299699140,1cyclictest0-21swapper/321:56:353
2991991411,2cyclictest31493-21head23:25:142
2991991411,2cyclictest26108-21cron00:20:002
2991991410,1cyclictest141rcu_preempt22:40:292
299199140,1cyclictest0-21swapper/200:24:202
299199140,11cyclictest141rcu_preempt23:08:452
298999143,5cyclictest4326-21runrttasks21:52:391
2989991411,2cyclictest16080-21cut19:35:161
298699148,6cyclictest25408-21apache223:26:560
2986991410,3cyclictest9655-21tr20:30:140
2986991410,3cyclictest8650-21df23:50:160
299699139,3cyclictest28054-21ssh00:20:223
299699139,3cyclictest13073-21cron23:15:003
299699139,3cyclictest10857-21grep19:25:153
299699139,2cyclictest7274-21tail19:15:293
2996991312,1cyclictest28688-21diskmemload22:54:153
2996991310,2cyclictest31042-21grep20:05:213
2996991310,2cyclictest25806-21grep21:00:263
2996991310,2cyclictest25216-21tr00:00:143
2996991310,2cyclictest0-21swapper/321:51:303
299699130,1cyclictest0-21swapper/323:55:073
299699130,10cyclictest5627-21cstates21:15:153
299199139,3cyclictest2761-21grep22:10:232
2991991310,2cyclictest424-21cut23:45:202
2991991310,2cyclictest3154-21tr00:25:132
2991991310,2cyclictest3032-21head20:15:182
2991991310,2cyclictest24448-21grep19:50:252
2991991310,2cyclictest11524-21cron20:35:002
299199130,0cyclictest0-21swapper/222:25:022
298999135,4cyclictest225-21systemd-journal20:35:001
298999134,2cyclictest141rcu_preempt19:30:111
298999133,9cyclictest1035-21packagekitd20:15:211
298999133,6cyclictest25-21ksoftirqd/120:45:131
298999131,2cyclictest141rcu_preempt20:40:101
2989991312,1cyclictest0-21swapper/123:45:551
2989991311,2cyclictest25-21ksoftirqd/123:17:001
2989991310,2cyclictest25-21ksoftirqd/123:56:241
298999130,12cyclictest0-21swapper/123:34:181
298999130,0cyclictest0-21swapper/123:54:541
298699139,3cyclictest5340-21sleep19:15:000
298699139,3cyclictest13-21ksoftirqd/000:35:120
298699138,4cyclictest28245-21sed21:05:230
2986991310,2cyclictest588-21sed23:45:200
2986991310,2cyclictest26704-21tr22:25:130
2986991310,2cyclictest18192-21tr22:20:150
2986991310,2cyclictest11107-21grep00:10:240
2986991310,2cyclictest11107-21grep00:10:230
299699129,2cyclictest9521-21head23:50:233
299699129,2cyclictest8484-21head21:35:263
299699129,2cyclictest5300-21uniq20:20:173
299699129,2cyclictest3897-21sed20:15:273
299699129,2cyclictest29228-21tail20:00:273
299699129,2cyclictest26727-21grep22:05:263
299699129,2cyclictest23916-21tr23:40:123
299699129,2cyclictest18440-21grep19:40:183
299699129,2cyclictest14705-21cron23:35:003
299699129,2cyclictest14460-21tr20:40:133
299699129,2cyclictest12536-21tr20:35:143
299699129,2cyclictest10087-21grep20:30:163
299699124,5cyclictest0-21swapper/322:23:033
299699121,6cyclictest0-21swapper/322:40:133
299699121,2cyclictest23443-21apache_volume21:45:143
299199129,2cyclictest7024-21wc21:15:262
299199129,2cyclictest6045-21cut23:10:172
299199129,2cyclictest29736-21tail22:45:272
299199129,2cyclictest28660-21grep20:00:212
299199129,2cyclictest19825-21cron19:45:002
299199129,2cyclictest17571-21chrt21:40:532
299199129,2cyclictest1579-21sed20:10:262
299199129,2cyclictest13669-21grep19:30:152
299199129,2cyclictest12058-21tr20:35:132
299199129,2cyclictest1142-21runrttasks21:59:512
299199128,3cyclictest7568-21grep23:30:172
299199128,3cyclictest20965-21uniq19:45:162
299199128,3cyclictest17435-21cron19:40:002
299199120,0cyclictest0-21swapper/221:29:432
298999129,2cyclictest9946-21grep00:10:161
298999129,2cyclictest9946-21grep00:10:151
298999129,2cyclictest7301-21tr20:25:141
298999129,2cyclictest14160-21grep22:55:271
2989991210,2cyclictest28688-21diskmemload22:45:041
298699129,2cyclictest75482sleep021:35:180
298699129,2cyclictest6006-21ssh00:26:190
298699129,2cyclictest2602-21cut22:30:150
298699129,2cyclictest25611-21grep22:05:170
298699129,2cyclictest17163-21grep20:45:170
298699129,2cyclictest16035-21cut23:35:150
298699129,2cyclictest15957-21uniq19:35:150
298699128,3cyclictest31171-21grep23:05:260
298699128,3cyclictest23491-21basename21:45:140
298699128,3cyclictest20115-21grep22:40:160
298699127,4cyclictest25400-21apache223:18:030
298699127,3cyclictest12051-21taskset21:19:130
298699126,3cyclictest12474-21tr22:55:150
298699124,2cyclictest225-21systemd-journal00:09:560
2986991212,0cyclictest0-21swapper/023:58:310
298699120,9cyclictest0-21swapper/022:19:240
298699120,2cyclictest0-21swapper/022:01:390
299699119,1cyclictest15390-21cut19:35:133
299699118,2cyclictest8930-21taskset20:27:153
299699118,2cyclictest8384-21ssh22:33:293
299699118,2cyclictest5595-21ssh00:25:593
299699118,2cyclictest448-21ssh23:06:473
299699118,2cyclictest4320-21head19:10:193
299699118,2cyclictest30408-21ssh22:45:543
299699118,2cyclictest26805-21tail19:55:253
299699118,2cyclictest25766-21ssh00:19:443
299699118,2cyclictest22631-21sed21:25:153
299699118,2cyclictest22108-21ssh23:20:063
299699118,2cyclictest17255-21ssh23:35:283
299699118,2cyclictest16660-21ssh21:21:143
299699118,2cyclictest15661-21sort23:15:283
299699118,2cyclictest13910-21ssh00:12:063
299699118,2cyclictest13910-21ssh00:12:063
299699118,2cyclictest12850-21ssh22:35:253
299699117,3cyclictest29202-21apt-get21:10:133
299699111,5cyclictest225-21systemd-journal21:00:013
299699110,2cyclictest512-21seq22:10:013
299199119,1cyclictest31384-21ssh21:30:162
299199119,1cyclictest268522sleep223:22:242
299199119,1cyclictest14896-21tail20:40:162
299199118,2cyclictest9649-21grep19:20:242
299199118,2cyclictest8261-21cut23:50:152
299199118,2cyclictest6199-21grep19:15:192
299199118,2cyclictest5534-21ssh22:31:172
299199118,2cyclictest29997-21cut20:05:152
299199118,2cyclictest24794-21ssh23:02:042
299199118,2cyclictest23248-21sed20:55:272
299199118,2cyclictest20239-21grep20:50:182
299199118,2cyclictest17718-21ssh23:16:532
299199118,2cyclictest13844-21python22:55:252
299199118,2cyclictest11376-21sed22:15:262
299199117,3cyclictest7673-21sort20:25:162
299199117,3cyclictest4914-21head19:10:262
299199117,3cyclictest17674-21wc23:55:192
299199116,4cyclictest29888-21sh00:02:382
299199113,4cyclictest225-21systemd-journal20:50:012
298999118,2cyclictest3842-21uniq19:10:161
298999118,2cyclictest30606-21cut20:05:181
298999118,2cyclictest28718-21wc21:10:001
298999118,2cyclictest28003-21sh22:06:211
298999118,2cyclictest23142-21expr19:50:141
298999118,2cyclictest20660-21cat20:50:241
298999118,2cyclictest17800-21cut19:40:151
298999118,2cyclictest13395-21ssh21:20:031
298999118,2cyclictest11828-21grep20:35:121
298699118,2cyclictest8201-21sh23:11:130
298699118,2cyclictest8084-21ssh23:30:200
298699118,2cyclictest7812-21head20:25:160
298699118,2cyclictest7253-21tail19:15:290
298699118,2cyclictest29932-21chrt00:02:410
298699118,2cyclictest29089-21ssh23:43:040
298699118,2cyclictest2777-21ssh21:51:270
298699118,2cyclictest2638-21expr20:15:150
298699118,2cyclictest25398-21ssh00:19:270
298699118,2cyclictest24823-21ssh21:26:030
298699118,2cyclictest24762-21sort21:00:170
298699118,2cyclictest24718-21ssh23:20:480
298699118,2cyclictest2384-21ssh21:32:120
298699118,2cyclictest20767-21rm23:00:140
298699118,2cyclictest18082-21cat19:40:160
298699118,2cyclictest13603-21grep19:30:160
298699118,2cyclictest11524-21grep22:35:160
298699118,2cyclictest0-21swapper/021:13:290
298699116,3cyclictest22955-21grep19:50:130
298699115,2cyclictest225-21systemd-journal22:52:090
298699110,10cyclictest11864-21ssh21:56:570
299699108,1cyclictest853-21sed20:10:193
299699108,1cyclictest27643-21cat21:05:173
299699108,1cyclictest21877-21sed19:45:263
299699108,1cyclictest16589-21cut20:45:143
299199108,1cyclictest4768-21cut20:20:152
299199108,1cyclictest27761-21chrt21:05:182
299199108,1cyclictest27258-21chrt19:59:562
299199108,1cyclictest105482sleep219:25:102
299199100,6cyclictest225-21systemd-journal21:04:222
298999108,1cyclictest28496-21uname20:00:191
298999108,1cyclictest10967-21expr19:25:151
298999107,2cyclictest8265-21tr19:20:131
298999107,2cyclictest6994-21sensors_temp19:15:271
298999107,2cyclictest657-21sed20:10:171
298999107,2cyclictest23091-21taskset20:55:271
298999107,2cyclictest21085-21cut19:45:171
298699108,1cyclictest9443-21sort19:20:230
298699108,1cyclictest30082-21egrep20:05:160
298699108,1cyclictest27621-21cut20:00:140
298699108,1cyclictest22334-21taskset19:48:280
298699108,1cyclictest21884-21expr20:55:150
298699108,1cyclictest141552sleep020:40:080
298699108,1cyclictest137062sleep020:37:360
298699107,2cyclictest652-21ssh22:10:050
298699107,2cyclictest4744-21cut20:20:140
298699107,2cyclictest1799-21chrt20:12:320
29969996,2cyclictest19878-21head20:50:153
29899997,1cyclictest46402sleep120:20:111
29869997,1cyclictest25960-21taskset19:55:170
29869997,1cyclictest19477-21expr20:50:140
29869997,1cyclictest12478-21taskset19:27:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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