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2026-01-18 - 07:23
[ 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 792 highest latencies:
System rack7slot7s.osadl.org (updated Sun Jan 18, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1515229380,9sleep00-21swapper/019:06:000
1518028976,9sleep20-21swapper/219:06:222
1542228265,13sleep10-21swapper/119:09:311
1541928168,9sleep30-21swapper/319:09:303
14122490,0sleep30-21swapper/321:25:243
15542992925,3cyclictest0-21swapper/122:51:431
15551992626,0cyclictest0-21swapper/323:35:593
1554699250,25cyclictest0-21swapper/222:02:162
1554699250,25cyclictest0-21swapper/221:52:122
1554699250,24cyclictest0-21swapper/221:45:442
1554699250,24cyclictest0-21swapper/221:45:432
15542992522,2cyclictest0-21swapper/121:20:031
1554699240,23cyclictest0-21swapper/200:35:002
15542992422,1cyclictest25-21ksoftirqd/122:39:531
1555199232,3cyclictest0-21swapper/323:33:593
1554699230,23cyclictest0-21swapper/221:43:162
1554299238,2cyclictest141rcu_preempt22:55:131
1555199221,3cyclictest0-21swapper/321:21:333
1554699220,21cyclictest0-21swapper/223:40:502
1554699220,0cyclictest0-21swapper/223:14:282
1554299221,18cyclictest25-21ksoftirqd/122:20:231
1555199212,13cyclictest0-21swapper/323:02:033
1554699210,21cyclictest0-21swapper/221:18:042
15542992120,1cyclictest0-21swapper/122:27:591
15542992118,2cyclictest27080-21/usr/sbin/munin00:15:101
15542992118,2cyclictest25-21ksoftirqd/123:20:171
1554699200,20cyclictest0-21swapper/223:58:162
1554699200,20cyclictest0-21swapper/221:10:212
1553899200,16cyclictest0-21swapper/023:36:550
1555199190,1cyclictest0-21swapper/321:17:433
1555199190,1cyclictest0-21swapper/300:23:523
1554699190,1cyclictest0-21swapper/223:51:232
1554699190,1cyclictest0-21swapper/222:46:572
1554299199,2cyclictest141rcu_preempt21:38:501
15542991918,1cyclictest25-21ksoftirqd/121:45:001
15542991914,4cyclictest0-21swapper/123:55:051
15542991914,1cyclictest25-21ksoftirqd/122:42:371
1554299191,1cyclictest0-21swapper/121:34:301
256782180,1sleep025681-21acpi23:55:120
1555199183,9cyclictest0-21swapper/322:20:133
1554699180,18cyclictest0-21swapper/222:58:332
1554699180,18cyclictest0-21swapper/222:34:402
1554699180,0cyclictest0-21swapper/222:35:152
15542991817,1cyclictest25-21ksoftirqd/121:50:181
1553899185,7cyclictest22608-21munin-run23:14:590
15538991816,2cyclictest17650-21apache222:36:450
1555199172,2cyclictest0-21swapper/300:08:063
15551991717,0cyclictest0-21swapper/323:09:083
1555199170,5cyclictest0-21swapper/300:32:413
1554699170,9cyclictest0-21swapper/221:27:402
15542991716,1cyclictest241rcuc/122:47:011
15542991715,1cyclictest25-21ksoftirqd/121:50:011
15542991715,1cyclictest25-21ksoftirqd/121:50:001
15542991714,1cyclictest25-21ksoftirqd/121:58:431
15542991713,2cyclictest25-21ksoftirqd/122:10:581
1554299171,2cyclictest141rcu_preempt00:34:261
15542991711,3cyclictest25-21ksoftirqd/121:10:231
15542991711,2cyclictest25-21ksoftirqd/123:18:391
1554299170,10cyclictest0-21swapper/119:20:141
1553899175,6cyclictest0-21swapper/022:15:200
15551991610,5cyclictest0-21swapper/322:40:533
1555199160,1cyclictest0-21swapper/321:32:493
1554699161,13cyclictest0-21swapper/222:19:302
1554699160,3cyclictest0-21swapper/223:46:432
1554699160,3cyclictest0-21swapper/221:22:282
1554299169,2cyclictest141rcu_preempt00:38:211
1554299168,5cyclictest25-21ksoftirqd/123:50:211
1554299168,5cyclictest25-21ksoftirqd/122:06:011
15542991614,1cyclictest0-21swapper/120:55:161
1554299160,4cyclictest25-21ksoftirqd/122:04:311
1554299160,2cyclictest0-21swapper/119:50:141
1553899161,3cyclictest537-21snmpd23:41:070
1555199159,5cyclictest29142-21users00:15:263
15551991515,0cyclictest0-21swapper/319:20:143
1554699157,4cyclictest1659-21apt-get00:00:122
1554699153,4cyclictest7379-21apt20:00:002
1554699151,2cyclictest0-21swapper/200:15:252
1554699150,15cyclictest0-21swapper/221:37:172
1554699150,14cyclictest0-21swapper/200:10:352
1554299153,3cyclictest241rcuc/100:22:201
15542991514,1cyclictest241rcuc/123:45:051
15542991514,1cyclictest0-21swapper/121:15:141
1554299151,14cyclictest6614-21diskmemload00:02:491
1554299150,15cyclictest6614-21diskmemload23:04:451
1553899152,7cyclictest11301-21idleruntime-cro22:29:590
1553899150,12cyclictest0-21swapper/023:15:100
15551991411,2cyclictest6047-21ssh23:24:173
1555199140,13cyclictest456-21cron00:39:593
1555199140,13cyclictest19741-21sh22:35:003
1554699149,4cyclictest17012-21sh22:13:532
1554699145,4cyclictest14219-21ssh00:07:032
1554699141,1cyclictest141rcu_preempt23:32:012
15546991410,3cyclictest9173-21ls20:00:262
15546991410,3cyclictest9173-21ls20:00:262
15546991410,3cyclictest4269-21cut22:25:162
1554699140,14cyclictest0-21swapper/200:22:412
1554299148,5cyclictest241rcuc/123:10:161
1554299143,8cyclictest6910-21df_inode23:05:151
1554299143,3cyclictest25-21ksoftirqd/100:11:521
15542991413,1cyclictest25-21ksoftirqd/120:20:201
1554299141,1cyclictest12122-21ssh00:05:301
15542991411,2cyclictest38150irq/131-snd_hda20:10:141
15542991411,2cyclictest25-21ksoftirqd/123:41:291
15542991410,3cyclictest31791-21cat19:40:251
15542991410,3cyclictest26027-21sed20:35:251
1554299140,1cyclictest141rcu_preempt22:32:441
1554299140,14cyclictest0-21swapper/123:38:451
1553899149,3cyclictest18909-21grep20:20:240
1553899145,8cyclictest26250-21munin-run00:35:000
1553899143,10cyclictest7176-21ssh21:10:140
1553899143,10cyclictest14170-21/usr/sbin/munin23:09:590
15538991410,3cyclictest25825-21tr19:30:130
15538991410,2cyclictest23651-21grep22:55:270
1555199139,3cyclictest6158-21cut22:45:203
1555199139,3cyclictest19024-21cat23:50:263
1555199138,3cyclictest16310-21sh23:10:253
1555199132,1cyclictest0-21swapper/322:57:133
15551991310,2cyclictest6756-21cat21:10:003
15551991310,2cyclictest3544-21tr22:25:143
15551991310,2cyclictest25029-21grep21:40:143
15551991310,2cyclictest24927-21grep23:15:243
15551991310,2cyclictest20433-21ssh21:36:543
15551991310,2cyclictest1272-21sed19:45:193
1554699139,3cyclictest7135-21tail23:05:172
15546991311,2cyclictest0-21swapper/221:33:052
15546991310,2cyclictest702-21grep20:50:262
15546991310,2cyclictest31189-21cat23:20:012
15546991310,2cyclictest28453-21uname22:20:192
15546991310,2cyclictest20362-21awk19:19:592
1554699130,3cyclictest0-21swapper/223:01:402
1554299139,3cyclictest18230-21cut19:15:131
1554299139,3cyclictest17884-21ls23:30:261
1554299139,3cyclictest11631-21cut00:25:111
1554299135,6cyclictest32179-21/usr/sbin/munin21:25:171
1554299131,7cyclictest6614-21diskmemload22:17:201
15542991310,2cyclictest29218-21grep20:45:141
1554299130,4cyclictest0-21swapper/123:25:311
1554299130,12cyclictest6227-21wc19:55:191
1553899139,2cyclictest8947-21ssh21:50:010
1553899139,2cyclictest8947-21ssh21:50:000
1553899139,2cyclictest27521-21basename22:20:150
1553899138,1cyclictest0-21swapper/020:55:130
1553899136,2cyclictest225-21systemd-journal22:35:000
15538991310,2cyclictest9886-21expr21:50:150
15538991310,2cyclictest8402-21head20:00:180
15538991310,2cyclictest8402-21head20:00:180
15538991310,2cyclictest8291-21grep21:30:140
15538991310,2cyclictest29655-21grep19:35:280
15538991310,2cyclictest25221-21sort19:30:010
15538991310,2cyclictest25204-21cron23:55:000
15538991310,2cyclictest24659-21ssh21:20:180
15538991310,2cyclictest1188-21grep19:45:180
15538991310,2cyclictest10826-21cut22:10:140
1555199129,2cyclictest499-21grep23:40:133
1555199129,2cyclictest27553-21sed20:40:193
1555199129,2cyclictest2536-21ssh00:00:163
1555199129,2cyclictest20374-21wc00:10:243
1555199129,2cyclictest19314-21grep22:15:153
1555199129,2cyclictest17968-21basename19:15:003
1555199129,2cyclictest17432-21tr20:20:143
1555199129,2cyclictest1206-21latency_hist20:55:003
1555199129,2cyclictest1165-21munin-plugin-st00:00:003
1555199129,2cyclictest10251-21ssh21:50:183
1555199128,3cyclictest13857-21cat20:10:253
1555199128,3cyclictest11365-21grep22:10:163
1555199128,2cyclictest4243-21turbostat.cron21:05:003
15551991212,0cyclictest0-21swapper/323:46:073
1554699129,2cyclictest32463-21grep19:44:592
1554699129,2cyclictest28955-21ls20:44:592
1554699129,2cyclictest24760-21tr23:35:162
1554699129,2cyclictest13491-21tr22:50:152
1554699128,3cyclictest20400-21sed20:25:172
15546991212,0cyclictest0-21swapper/223:27:112
1554699120,2cyclictest0-21swapper/221:59:042
1554699120,1cyclictest0-21swapper/200:25:402
1554699120,12cyclictest0-21swapper/222:08:452
1554699120,11cyclictest23727-21grep19:25:182
1554299129,2cyclictest25357-21date19:30:011
1554299129,2cyclictest19734-21grep20:25:141
1554299127,4cyclictest2412-21taskset19:47:231
1553899129,2cyclictest32363-21grep23:20:170
1553899129,2cyclictest26201-21cat22:00:100
1553899129,2cyclictest2266-21ssh22:05:130
1553899129,2cyclictest19358-21tr19:15:210
1553899129,2cyclictest18649-21sort21:55:170
1553899129,2cyclictest17378-21ntpq23:30:230
1553899129,2cyclictest1595-21wc21:25:250
1553899129,2cyclictest13820-21ssh22:50:170
1553899129,2cyclictest10326-21grep00:05:150
1553899129,2cyclictest10188-21taskset20:05:130
1553899128,3cyclictest31542-21rm00:17:170
1553899128,3cyclictest10705-21grep23:45:250
1553899124,6cyclictest0-21swapper/000:20:270
1553899123,6cyclictest0-21swapper/021:18:360
1553899123,5cyclictest225-21systemd-journal21:38:040
1553899120,10cyclictest0-21swapper/023:27:370
1555199119,1cyclictest14747-21chrt20:15:033
1555199118,2cyclictest8626-21ls20:00:203
1555199118,2cyclictest8626-21ls20:00:193
1555199118,2cyclictest4235-21ssh22:05:283
1555199118,2cyclictest3356-21cat19:50:163
1555199118,2cyclictest3161-21ssh21:45:413
1555199118,2cyclictest3161-21ssh21:45:403
1555199118,2cyclictest30671-21ssh22:02:183
1555199118,2cyclictest26834-21grep19:30:513
1555199118,2cyclictest25119-21dpkg19:29:593
1555199118,2cyclictest23281-21seq22:36:053
1555199118,2cyclictest20342-21cat19:19:593
1555199118,2cyclictest19183-21tr21:55:203
1555199118,2cyclictest13231-21ssh22:50:133
1555199118,2cyclictest13216-21smart_sda00:25:233
1555199118,2cyclictest12140-21cron20:10:013
1555199118,2cyclictest11421-21ssh23:26:483
1555199117,3cyclictest25087-21grep20:35:163
1555199112,4cyclictest7930-21tune2fs21:10:173
1555199110,10cyclictest3573-21chrt20:59:593
1554699118,2cyclictest4906-21taskset19:53:582
1554699118,2cyclictest28829-21apache_processe22:40:102
1554699118,2cyclictest28665-21expr19:35:192
1554699118,2cyclictest26020-21grep20:35:252
1554699118,2cyclictest2557-21ssh23:21:342
1554699118,2cyclictest23399-21ssh00:32:482
1554699118,2cyclictest22439-21taskset19:21:292
1554699118,2cyclictest2199-21grep20:55:162
1554699118,2cyclictest19427-21cut20:25:012
1554699118,2cyclictest16893-21taskset20:19:562
1554699118,2cyclictest10873-21basename20:05:172
1554699110,10cyclictest742-21tr19:45:172
1554299118,2cyclictest31798-21tr20:50:141
1554299118,2cyclictest28735-21taskset20:43:161
1554299118,2cyclictest16903-21cron20:20:011
1553899118,2cyclictest28876-21cron20:45:000
1553899118,2cyclictest26167-21ssh21:40:190
1553899118,2cyclictest2510-21ssh23:02:380
1553899118,2cyclictest24384-21chrt20:35:120
1553899118,2cyclictest2434-21perl00:00:150
1553899118,2cyclictest23114-21uname20:30:190
1553899118,2cyclictest12446-21cut00:25:150
1553899117,3cyclictest22732-21awk19:24:590
1553899115,3cyclictest225-21systemd-journal00:11:570
1553899115,2cyclictest225-21systemd-journal21:04:590
1553899110,10cyclictest3473-21taskset19:50:170
1553899110,10cyclictest29676-21expr22:40:150
1553899110,10cyclictest0-21swapper/000:35:010
1555199108,1cyclictest32244-21taskset19:42:223
1555199108,1cyclictest29336-21egrep20:45:163
1555199107,2cyclictest23617-21grep20:30:253
1555199107,2cyclictest19749-21hostname20:25:143
1555199105,2cyclictest225-21systemd-journal19:56:233
1554699108,1cyclictest31144-21chrt20:48:442
1554699108,1cyclictest25420-21cat19:30:002
1554699107,2cyclictest5772-21cut21:05:332
1554699107,2cyclictest16504-21grep19:10:182
1554699100,9cyclictest12848-21expr20:10:152
1554299108,1cyclictest7658-21apache_accesses20:00:121
1554299108,1cyclictest7658-21apache_accesses20:00:121
1554299108,1cyclictest26034-21cat19:30:131
1554299107,2cyclictest5438-21kernelversion21:05:301
1554299107,2cyclictest4203-21taskset21:04:521
1554299107,2cyclictest29561-21sed19:35:281
1554299107,2cyclictest22962-21cat20:30:191
1554299106,3cyclictest10311-21tr20:05:141
1554299103,2cyclictest241rcuc/119:10:261
1553899108,1cyclictest4694-21cat21:05:110
1553899108,1cyclictest322542sleep019:42:310
1553899108,1cyclictest17175-21python19:10:250
1553899107,2cyclictest32035-21chrt20:50:150
1553899100,9cyclictest5136-21ssh22:45:130
1553899100,9cyclictest21565-21taskset20:27:560
155519991,6cyclictest27955-21apache_volume19:35:143
155469997,1cyclictest4128-21chrt21:03:552
155469996,2cyclictest23805-21taskset20:31:112
155389997,1cyclictest5334-21wget19:55:140
155389997,1cyclictest30168-21cut20:45:200
155389997,1cyclictest13287-21if_enp2s020:10:180
155389996,2cyclictest15412-21taskset20:15:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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