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2026-02-22 - 04:14
[ 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 Sun Feb 22, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1620629567,8sleep20-21swapper/219:07:332
1619028474,6sleep00-21swapper/019:07:220
1611127966,9sleep30-21swapper/319:06:203
1623527659,13sleep10-21swapper/119:07:561
122672610,0sleep30-21swapper/300:04:533
1648999270,26cyclictest0-21swapper/222:21:392
1648999270,23cyclictest0-21swapper/222:51:202
1648699263,2cyclictest25679-21memory22:55:201
1648999250,24cyclictest0-21swapper/223:38:052
1648999250,24cyclictest0-21swapper/223:38:052
1648999250,18cyclictest0-21swapper/223:59:312
1648999240,21cyclictest0-21swapper/222:58:112
16486992416,0cyclictest0-21swapper/100:29:291
1649099221,19cyclictest9993-21kworker/3:121:50:003
1648999220,1cyclictest0-21swapper/221:28:252
16486992221,1cyclictest25-21ksoftirqd/122:53:021
16486992217,1cyclictest25-21ksoftirqd/121:40:041
1648699220,21cyclictest0-21swapper/121:39:031
163722210,1sleep123394-21kworker/1:123:47:311
16490992017,2cyclictest9993-21kworker/3:122:21:123
1648999205,14cyclictest0-21swapper/222:07:082
1648999200,20cyclictest0-21swapper/223:45:222
1648999200,20cyclictest0-21swapper/221:39:032
1648999200,1cyclictest0-21swapper/200:20:412
16490991917,1cyclictest9993-21kworker/3:123:51:423
1649099190,18cyclictest9993-21kworker/3:123:30:023
1648999190,17cyclictest0-21swapper/223:42:372
16490991817,1cyclictest9993-21kworker/3:123:20:323
16490991817,1cyclictest9993-21kworker/3:123:17:423
1649099181,3cyclictest0-21swapper/322:45:353
1648999180,16cyclictest0-21swapper/200:05:582
1649099179,7cyclictest16316-21awk22:30:253
1649099173,12cyclictest0-21swapper/322:10:143
16490991716,1cyclictest9993-21kworker/3:123:57:013
16490991716,1cyclictest9993-21kworker/3:122:56:223
16490991715,1cyclictest9993-21kworker/3:122:26:223
1648999170,1cyclictest0-21swapper/200:33:402
1648999170,17cyclictest0-21swapper/223:23:222
16486991713,3cyclictest8866-21diskmemload23:51:021
1648499175,6cyclictest17514-21idleruntime-cro21:15:000
1648499172,10cyclictest13882-21cron00:24:590
1648499170,2cyclictest0-21swapper/022:46:290
1648499170,15cyclictest0-21swapper/023:15:340
16490991615,1cyclictest9993-21kworker/3:123:03:113
16490991615,1cyclictest9993-21kworker/3:122:19:023
16490991615,1cyclictest9993-21kworker/3:122:19:023
16490991614,1cyclictest0-21swapper/300:22:123
1649099160,14cyclictest0-21swapper/321:32:543
1649099160,14cyclictest0-21swapper/320:25:133
1648999160,16cyclictest0-21swapper/221:24:262
1648699162,1cyclictest8866-21diskmemload22:06:251
1648699160,2cyclictest0-21swapper/122:48:591
1648699160,1cyclictest0-21swapper/120:55:001
1648499162,7cyclictest19823-21munin-run20:25:000
1648499160,2cyclictest141rcu_preempt22:30:460
1649099155,6cyclictest20609-21apache_volume21:55:143
1649099153,7cyclictest12952-21munin-run22:10:003
16490991514,1cyclictest9993-21kworker/3:122:51:513
16490991514,1cyclictest39-21ksoftirqd/300:33:283
16490991514,1cyclictest0-21swapper/322:35:143
1649099150,2cyclictest141rcu_preempt21:36:383
16489991510,3cyclictest1355-21ls23:20:012
1648999150,15cyclictest0-21swapper/222:29:342
1648699150,1cyclictest141rcu_preempt22:14:011
1648699150,1cyclictest0-21swapper/100:15:181
1648699150,15cyclictest0-21swapper/121:59:031
1648699150,14cyclictest8866-21diskmemload21:53:051
1648499156,8cyclictest17417-21munin-run20:19:590
1648499154,5cyclictest0-21swapper/022:10:000
16484991511,4cyclictest8495-21apache221:56:400
1648499150,1cyclictest0-21swapper/000:16:380
1649099145,5cyclictest0-21swapper/323:10:153
1649099141,5cyclictest23412-21timerandwakeup00:10:263
16490991413,1cyclictest9993-21kworker/3:122:42:013
16490991411,2cyclictest18490-21kworker/3:000:35:023
1648999149,3cyclictest412-21wc22:40:222
1648999142,11cyclictest20083-21ssh23:50:132
16489991413,1cyclictest0-21swapper/222:46:022
16489991411,2cyclictest5218-21rm00:00:172
16489991410,3cyclictest8359-21munin-run23:04:592
1648999140,14cyclictest0-21swapper/222:18:082
1648999140,14cyclictest0-21swapper/222:18:082
1648999140,14cyclictest0-21swapper/221:43:262
1648999140,13cyclictest0-21swapper/223:30:402
1648999140,12cyclictest18485-21head20:20:162
1648999140,0cyclictest0-21swapper/219:55:222
16486991413,1cyclictest0-21swapper/123:06:271
1648699141,13cyclictest27386-21switchtime23:15:251
1648699140,1cyclictest0-21swapper/121:47:011
1648699140,14cyclictest0-21swapper/123:11:201
1648699140,13cyclictest0-21swapper/123:24:171
1648699140,0cyclictest0-21swapper/100:20:161
1648499146,3cyclictest29835-21/usr/sbin/munin23:55:210
1648499141,6cyclictest0-21swapper/021:45:220
16484991414,0cyclictest0-21swapper/023:28:130
16484991411,2cyclictest26426-21grep20:35:250
16484991410,3cyclictest32157-21sed00:35:180
16484991410,3cyclictest22671-21tr20:30:150
16484991410,3cyclictest20711-21grep19:15:260
16484991410,2cyclictest3297-21grep23:40:140
1649099139,3cyclictest18815-21grep21:15:173
1649099139,3cyclictest15934-21cut20:15:163
1649099138,3cyclictest3577-21grep20:55:273
1649099137,5cyclictest12978-21open_files23:45:213
1649099134,4cyclictest0-21swapper/321:10:003
16490991311,2cyclictest9993-21kworker/3:123:27:113
16490991311,1cyclictest0-21swapper/323:05:303
1649099130,2cyclictest0-21swapper/322:00:133
1648999139,3cyclictest18650-21cron21:35:002
1648999138,2cyclictest0-21swapper/221:53:062
1648999133,8cyclictest1370-21apache221:59:342
1648999132,10cyclictest0-21swapper/221:46:242
16489991310,2cyclictest4197-21cat21:00:012
16489991310,2cyclictest26921-21cron20:40:002
16489991310,2cyclictest25049-21grep22:35:272
1648699139,2cyclictest27475-21cat21:20:191
1648699138,4cyclictest29500-21ssh23:35:531
1648699138,4cyclictest29500-21ssh23:35:521
1648699132,2cyclictest225-21systemd-journal22:20:001
1648699132,2cyclictest225-21systemd-journal22:19:591
16486991310,2cyclictest32270-21wc19:40:231
16486991310,2cyclictest20357-21grep23:30:251
16486991310,2cyclictest18380-21grep19:10:281
16486991310,2cyclictest1828-21grep23:00:201
16486991310,2cyclictest1202-21grep22:40:281
1648499139,3cyclictest6421-21cron21:05:010
1648499139,3cyclictest28902-21grep19:35:150
1648499139,2cyclictest29626-21grep20:45:130
1648499138,3cyclictest29482-21sh00:14:590
1648499135,7cyclictest29351-21idleruntime-cro20:45:010
1648499133,7cyclictest161rcuc/000:30:140
1648499133,6cyclictest463-21ssh23:00:120
1648499132,6cyclictest0-21swapper/000:05:000
1648499132,3cyclictest225-21systemd-journal19:59:540
1648499131,7cyclictest8867-21munin-run21:09:590
16484991310,2cyclictest26490-21grep19:30:130
16484991310,2cyclictest19299-21head23:30:150
16484991310,2cyclictest19294-21grep21:35:150
16484991310,2cyclictest18874-21sed21:15:160
1648499130,3cyclictest0-21swapper/021:20:500
1649099129,2cyclictest9890-21grep21:10:153
1649099129,2cyclictest32248-21tr19:40:223
1649099129,2cyclictest30268-21tail19:35:263
1649099129,2cyclictest18818-21cron19:15:003
1649099129,2cyclictest14069-21grep21:50:273
1649099128,3cyclictest19017-21wc20:20:213
1649099125,3cyclictest225-21systemd-journal00:08:043
16490991211,1cyclictest9993-21kworker/3:121:44:023
16490991211,1cyclictest0-21swapper/323:37:593
16490991211,1cyclictest0-21swapper/323:37:583
1648999129,2cyclictest32513-21df20:50:142
1648999129,2cyclictest30410-21grep22:00:222
1648999129,2cyclictest23178-21grep20:30:182
1648999129,2cyclictest23033-21head00:10:222
1648999129,2cyclictest20141-21grep20:25:122
1648999129,2cyclictest18866-21grep21:15:172
1648999129,2cyclictest17685-21cat21:15:002
1648999129,2cyclictest1730-21head19:45:172
1648999129,2cyclictest15965-21grep20:15:162
1648999129,2cyclictest13638-21head20:10:162
1648999128,3cyclictest28849-21tr19:35:152
1648999128,3cyclictest22455-21ls19:20:192
1648699129,2cyclictest5730-21cut00:00:201
1648699129,2cyclictest4547-21cut19:50:211
1648699129,2cyclictest4542-21grep23:40:221
1648699129,2cyclictest30326-21grep19:35:261
1648699129,2cyclictest27894-21grep20:40:181
1648699129,2cyclictest24560-21sh20:35:001
1648699129,2cyclictest23021-21tr00:30:131
1648699129,2cyclictest19799-21cron20:25:001
1648699129,2cyclictest19662-21wc21:15:241
1648699129,2cyclictest19233-21grep19:15:151
1648699129,2cyclictest17485-21cron21:15:001
1648699129,2cyclictest16432-21sort22:30:261
1648699129,2cyclictest14530-21grep20:10:261
1648699128,3cyclictest8866-21diskmemload00:12:271
1648699128,2cyclictest25003-21grep22:35:271
1648699126,2cyclictest225-21systemd-journal21:30:001
1648699121,1cyclictest8866-21diskmemload23:55:231
16486991211,1cyclictest0-21swapper/122:22:531
16486991210,1cyclictest24890-21tr20:35:131
1648499129,2cyclictest8191-21grep22:25:270
1648499129,2cyclictest32744-21cut20:50:150
1648499129,2cyclictest31836-21tr22:40:160
1648499129,2cyclictest29571-21grep21:40:280
1648499129,2cyclictest24494-21fschecks_count19:25:170
1648499129,2cyclictest24492-21ssh22:55:110
1648499129,2cyclictest23718-21sed22:15:260
1648499129,2cyclictest23718-21sed22:15:250
1648499129,2cyclictest20342-21tr23:50:140
1648499129,2cyclictest15017-21cron20:15:000
1648499129,2cyclictest13735-21grep22:10:160
1648499128,3cyclictest4366-21grep21:25:280
1648499128,3cyclictest16830-21uniq22:50:170
1648499128,3cyclictest10771-21tr20:05:140
1648499125,6cyclictest5466-21awk19:55:000
1648499123,9cyclictest18517-31find00:09:250
1648499123,6cyclictest0-21swapper/022:20:110
1648499122,7cyclictest0-21swapper/023:35:140
1648499122,7cyclictest0-21swapper/023:35:130
1648499120,3cyclictest0-21swapper/000:28:300
1648499120,1cyclictest0-21swapper/023:05:120
1649099118,2cyclictest7816-21cron20:00:003
1649099118,2cyclictest6013-21sed21:00:263
1649099118,2cyclictest5253-21ssh21:26:083
1649099118,2cyclictest405-21ssh00:16:063
1649099118,2cyclictest3405-21grep19:50:133
1649099118,2cyclictest28037-21taskset19:31:073
1649099118,2cyclictest27934-21ssh21:20:223
1649099118,2cyclictest20970-21taskset19:17:083
1649099118,2cyclictest15257-21tail00:25:203
1649099118,2cyclictest12747-21cat20:10:003
1649099117,3cyclictest772-21tr20:50:213
1649099117,2cyclictest25577-21grep19:25:263
16490991110,1cyclictest55550irq/126-enp2s0-23:42:033
1648999118,2cyclictest8604-21chrt21:06:522
1648999118,2cyclictest842-21grep00:35:282
1648999118,2cyclictest6420-21cron21:05:002
1648999118,2cyclictest30041-21ssh00:15:142
1648999118,2cyclictest19388-21cstates19:15:152
1648999118,2cyclictest19080-21sed23:10:262
1648999118,2cyclictest18074-21ssh22:12:292
1648999118,2cyclictest14454-21ssh23:27:142
1648999118,2cyclictest12500-21ssh23:06:402
1648999118,2cyclictest11777-21grep20:05:202
1648999110,11cyclictest0-21swapper/200:27:082
1648999110,10cyclictest0-21swapper/222:30:162
1648699118,2cyclictest7633-21chrt19:57:431
1648699118,2cyclictest6026-21ssh22:25:051
1648699118,2cyclictest6001-21ssh00:39:261
1648699118,2cyclictest4782-21cat21:00:151
1648699118,2cyclictest3218-21cat19:50:001
1648699118,2cyclictest22118-21cut19:20:151
1648699118,2cyclictest22010-21chrt20:27:561
1648699118,2cyclictest16285-21rm00:06:281
1648699118,2cyclictest11031-21df20:05:131
1648699118,2cyclictest10207-21cut23:25:131
16486991111,0cyclictest0-21swapper/122:02:191
1648699110,10cyclictest30346-21grep20:45:161
1648499119,1cyclictest8879-21grep20:00:170
1648499118,2cyclictest5547-21ssh23:21:540
1648499118,2cyclictest3466-21ls20:55:260
1648499118,2cyclictest29810-21grep22:00:180
1648499118,2cyclictest22185-21ls20:30:000
1648499118,2cyclictest17820-21expr23:10:160
1648499118,2cyclictest16849-21ssh23:47:540
1648499118,2cyclictest15777-21sh21:51:390
1648499118,2cyclictest15251-21ssh21:32:210
1648499117,2cyclictest31285-21cut19:40:150
1648499117,2cyclictest18821-21sh19:14:590
1649099108,1cyclictest957-21dpkg19:45:133
1649099108,1cyclictest9299-21ntpq20:00:213
1649099108,1cyclictest23724-21cat19:25:003
1649099107,2cyclictest31610-21chrt20:48:583
1649099107,2cyclictest25042-21tr20:35:133
1649099107,2cyclictest23124-21cut20:30:173
1649099103,3cyclictest225-21systemd-journal20:15:003
1648999108,1cyclictest8988-21taskset20:00:182
1648999108,1cyclictest4729-21sensors19:50:232
1648999108,1cyclictest31045-21cat20:45:242
1648999108,1cyclictest28119-21taskset19:32:102
1648999108,1cyclictest28049-21cat20:40:192
1648999108,1cyclictest25734-21chrt19:27:032
1648999105,2cyclictest225-21systemd-journal19:42:042
1648999100,9cyclictest17574-21cat19:10:192
1648699108,1cyclictest66552sleep121:05:071
1648699108,1cyclictest282182sleep119:33:281
1648699108,1cyclictest23921-21aten2_r7power_e19:25:141
1648699108,1cyclictest2255-21expr20:55:151
1648699107,2cyclictest10746-21apache_accesses21:30:121
1648699100,9cyclictest8558-21expr20:00:151
1648499108,1cyclictest23504-21cat22:35:160
1648499107,2cyclictest2786-21chrt19:46:280
164909997,1cyclictest291062sleep320:42:213
164869991,1cyclictest15287-21apache_accesses20:15:111
164849996,2cyclictest23157-21sed19:20:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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