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2026-02-18 - 05:04
[ 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 Wed Feb 18, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22710210344,39sleep00-21swapper/019:08:550
22448210161,35sleep20-21swapper/219:05:312
2244927966,9sleep30-21swapper/319:05:323
2253127859,15sleep10-21swapper/119:06:351
152192560,0sleep2311rcuc/200:03:442
22892992926,1cyclictest32597-21kworker/3:222:41:123
2288799290,28cyclictest0-21swapper/222:27:122
22884992826,1cyclictest0-21swapper/121:58:041
2289299250,22cyclictest0-21swapper/323:08:023
22887992519,5cyclictest0-21swapper/222:11:012
2288299253,15cyclictest19762-21turbostat22:29:590
2288299230,4cyclictest0-21swapper/021:23:580
22892992219,2cyclictest39-21ksoftirqd/322:39:273
2288499220,2cyclictest0-21swapper/123:49:441
2289299210,1cyclictest0-21swapper/300:23:503
2288799210,17cyclictest0-21swapper/223:00:252
2288499210,21cyclictest0-21swapper/100:04:471
22882992120,1cyclictest0-21swapper/023:48:010
2288299210,6cyclictest0-21swapper/023:29:250
2288299210,1cyclictest0-21swapper/023:38:420
22892992018,1cyclictest22876-21cyclictest23:37:383
2289299200,20cyclictest0-21swapper/323:00:253
22884992019,1cyclictest0-21swapper/122:46:211
22884992017,3cyclictest0-21swapper/121:15:491
2288799190,4cyclictest14530-21kworker/u8:022:30:592
2288499194,9cyclictest0-21swapper/120:10:131
2288499191,17cyclictest15487-21diskmemload00:06:031
2288299197,6cyclictest5233-21sendmail-msp23:00:010
2289299180,0cyclictest0-21swapper/300:38:083
2288799182,2cyclictest141rcu_preempt22:04:112
22887991817,1cyclictest0-21swapper/220:25:152
22887991816,2cyclictest0-21swapper/221:23:422
22887991812,1cyclictest15487-21diskmemload23:33:442
2288799180,3cyclictest0-21swapper/223:35:202
22884991812,6cyclictest15487-21diskmemload22:40:431
2288499180,16cyclictest0-21swapper/123:04:081
22882991817,1cyclictest0-21swapper/000:21:530
2288299180,1cyclictest0-21swapper/021:32:540
4702170,1sleep339-21ksoftirqd/300:14:113
22892991712,5cyclictest32597-21kworker/3:200:00:223
2288799171,1cyclictest141rcu_preempt21:18:252
2288799170,2cyclictest0-21swapper/221:45:242
2288499171,6cyclictest6657-21ssh22:21:211
22884991716,1cyclictest0-21swapper/123:34:231
22884991715,2cyclictest38150irq/131-snd_hda22:39:221
22882991716,1cyclictest0-21swapper/022:05:550
2288299171,15cyclictest25907-21ntp_states23:50:200
2288299170,16cyclictest0-21swapper/000:25:530
2288299170,14cyclictest0-21swapper/023:33:410
22892991614,2cyclictest20380-21kworker/3:100:19:123
22892991612,3cyclictest10152-21basename22:05:003
2289299160,2cyclictest0-21swapper/322:28:343
2288799168,3cyclictest225-21systemd-journal00:40:002
2288799161,14cyclictest30168-21sensors22:35:232
22887991611,2cyclictest0-21swapper/222:09:162
2288799160,1cyclictest0-21swapper/222:15:492
2288799160,13cyclictest17623-21sensors21:10:252
22884991615,1cyclictest0-21swapper/122:18:301
22884991614,1cyclictest0-21swapper/121:29:071
2288299162,7cyclictest1591-21munin-run00:15:000
2288299160,1cyclictest0-21swapper/023:40:180
2288299160,15cyclictest0-21swapper/022:24:220
2288299160,15cyclictest0-21swapper/022:19:350
2288299160,13cyclictest0-21swapper/021:43:550
2289299156,5cyclictest225-21systemd-journal23:17:003
22892991513,1cyclictest0-21swapper/322:05:543
2288799151,13cyclictest56550irq/124-enp0s3120:00:582
2288799150,1cyclictest0-21swapper/223:45:552
2288499150,2cyclictest0-21swapper/123:14:101
2288499150,15cyclictest0-21swapper/100:32:101
2288499150,14cyclictest0-21swapper/123:09:211
2288299152,2cyclictest0-21swapper/023:55:040
22892991413,1cyclictest0-21swapper/321:23:173
22892991412,1cyclictest19764-21fschecks_time22:10:163
22892991410,3cyclictest8687-21sed23:20:253
22892991410,3cyclictest24146-21grep20:20:133
2289299140,13cyclictest0-21swapper/321:49:053
2288799149,4cyclictest0-21swapper/200:20:222
22887991410,3cyclictest3337-21grep19:35:172
2288799140,1cyclictest0-21swapper/222:44:412
2288499142,2cyclictest141rcu_preempt23:38:511
22884991413,1cyclictest0-21swapper/123:27:351
22884991412,1cyclictest8938-21ssh21:44:521
2288499141,13cyclictest6091-21ssh00:16:591
22884991411,2cyclictest20264-21sed00:25:231
22884991410,3cyclictest27129-21cat21:35:251
2288299140,14cyclictest0-21swapper/021:14:550
2288299140,11cyclictest9775-21taskset22:43:000
2289299139,4cyclictest11961-21apache223:11:223
2289299139,3cyclictest3825-21grep22:20:143
2289299132,11cyclictest14584-21apt-get20:00:143
22892991312,1cyclictest0-21swapper/321:31:253
22892991310,2cyclictest9153-21grep23:40:213
22892991310,2cyclictest27256-21grep20:25:193
22892991310,2cyclictest27115-21head21:55:163
22892991310,2cyclictest25980-21ls23:50:203
22892991310,2cyclictest23595-21basename23:30:133
22892991310,2cyclictest23174-21cat22:50:263
22892991310,2cyclictest14752-21ssh21:28:393
2289299130,0cyclictest0-21swapper/322:45:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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