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2026-03-08 - 06:03
[ 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 100 highest latencies:
System rack7slot7s.osadl.org (updated Sun Mar 08, 2026 00:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2399628741,42sleep30-21swapper/319:06:203
2426328270,8sleep00-21swapper/019:09:470
2406228259,18sleep10-21swapper/119:07:111
2394828068,8sleep20-21swapper/219:05:432
24373992822,5cyclictest0-21swapper/221:48:332
24377992512,8cyclictest225-21systemd-journal19:59:063
2437799240,1cyclictest0-21swapper/323:20:593
2437399240,24cyclictest0-21swapper/222:32:312
312052220,1sleep125-21ksoftirqd/123:52:491
24373992218,4cyclictest0-21swapper/221:25:232
24373992218,4cyclictest0-21swapper/221:25:222
24373992218,3cyclictest0-21swapper/221:17:432
24377992120,1cyclictest0-21swapper/323:42:213
2437799210,1cyclictest0-21swapper/323:55:563
2436899210,1cyclictest0-21swapper/022:55:140
2437099200,2cyclictest0-21swapper/120:10:271
2437099200,2cyclictest0-21swapper/100:13:331
2437099200,20cyclictest0-21swapper/100:20:181
2437099200,19cyclictest0-21swapper/122:08:231
2436899200,5cyclictest0-21swapper/023:01:520
2436899200,1cyclictest0-21swapper/021:13:030
2437399195,14cyclictest56550irq/124-enp0s3119:14:152
24370991918,1cyclictest17629-21diskmemload23:11:581
24370991918,1cyclictest17629-21diskmemload23:11:581
24370991916,3cyclictest17629-21diskmemload21:40:421
2437099190,18cyclictest0-21swapper/122:49:521
24368991918,1cyclictest0-21swapper/000:03:010
24368991914,4cyclictest29193-21apt19:20:000
24377991816,2cyclictest0-21swapper/300:00:253
2437399185,13cyclictest56550irq/124-enp0s3120:07:592
24373991815,3cyclictest0-21swapper/200:32:332
2437099181,16cyclictest19883-21/usr/sbin/munin00:25:221
2437099180,1cyclictest0-21swapper/123:28:371
2437099180,15cyclictest0-21swapper/123:57:221
24368991817,1cyclictest0-21swapper/023:39:330
2436899180,7cyclictest0-21swapper/022:11:360
24377991712,4cyclictest17629-21diskmemload22:17:503
2437799170,1cyclictest0-21swapper/300:12:143
2437399176,11cyclictest0-21swapper/220:30:202
24373991714,3cyclictest0-21swapper/200:36:532
2437399171,15cyclictest23671-21sh00:07:452
2437399171,13cyclictest17802-21ssh23:45:112
2437099176,1cyclictest141rcu_preempt00:02:531
2437099170,16cyclictest17629-21diskmemload23:20:391
2436899170,2cyclictest0-21swapper/000:37:540
2437799163,5cyclictest0-21swapper/323:50:153
24377991616,0cyclictest0-21swapper/322:15:003
2437799160,2cyclictest0-21swapper/322:33:543
2437799160,1cyclictest0-21swapper/322:50:593
24373991614,2cyclictest17629-21diskmemload21:14:432
24373991610,5cyclictest0-21swapper/200:29:532
2437399160,2cyclictest0-21swapper/222:43:562
2437399160,16cyclictest0-21swapper/223:15:392
2437399160,16cyclictest0-21swapper/200:17:222
2437399160,15cyclictest0-21swapper/223:24:242
24370991613,2cyclictest25-21ksoftirqd/120:52:541
2437099161,14cyclictest27441-21ssh22:13:481
2437099160,15cyclictest0-21swapper/121:30:071
2436899169,4cyclictest2615-21df23:55:160
24368991615,1cyclictest0-21swapper/021:40:240
2437799155,5cyclictest225-21systemd-journal21:05:003
2437799151,6cyclictest5683-21kworker/u8:200:24:343
24377991511,3cyclictest30387-21apache200:35:053
2437799150,2cyclictest0-21swapper/322:27:463
2437799150,15cyclictest0-21swapper/323:48:423
24373991511,4cyclictest0-21swapper/221:42:032
2437099159,3cyclictest225-21systemd-journal23:09:551
2437099150,15cyclictest0-21swapper/122:52:101
2437099150,14cyclictest0-21swapper/119:10:171
2436899150,1cyclictest0-21swapper/021:48:250
2436899150,14cyclictest0-21swapper/000:25:140
119402150,2sleep10-21swapper/123:02:251
2437799141,1cyclictest0-21swapper/322:24:173
24377991411,2cyclictest25246-21cut19:10:143
24377991410,3cyclictest5051-21wc21:40:223
24377991410,3cyclictest1390-21grep23:15:223
24377991410,3cyclictest10578-21wc21:25:003
2437799140,1cyclictest0-21swapper/323:06:443
2437799140,14cyclictest0-21swapper/321:16:313
2437399144,8cyclictest0-21swapper/219:30:142
24373991412,2cyclictest0-21swapper/221:23:132
24373991411,2cyclictest24209-21cut23:10:152
24373991411,2cyclictest24209-21cut23:10:152
24373991410,3cyclictest28582-21sed21:35:172
24373991410,3cyclictest27121-21grep23:30:282
24373991410,3cyclictest16745-21grep22:45:262
2437399140,1cyclictest0-21swapper/222:27:582
2437399140,13cyclictest0-21swapper/222:54:062
24370991413,1cyclictest0-21swapper/123:45:561
24370991413,1cyclictest0-21swapper/123:42:001
2437099140,1cyclictest0-21swapper/121:26:481
2437099140,1cyclictest0-21swapper/121:26:481
2437099140,14cyclictest0-21swapper/121:50:141
2437099140,12cyclictest0-21swapper/123:38:561
2436899148,4cyclictest13-21ksoftirqd/000:05:130
2436899142,7cyclictest17629-21diskmemload22:35:140
24368991413,1cyclictest0-21swapper/022:21:250
24368991412,1cyclictest0-21swapper/022:50:190
2436899140,4cyclictest0-21swapper/021:59:260
2436899140,14cyclictest0-21swapper/000:23:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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