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2026-02-14 - 03:26
[ 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 #e, slot #5

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 rackeslot5s.osadl.org (updated Sat Feb 14, 2026 00:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22108992626,0cyclictest16144-21diskmemload00:24:232
22108992621,0cyclictest0-21swapper/223:40:482
2210899260,25cyclictest16144-21diskmemload22:32:592
2211299250,1cyclictest331rcuc/322:29:233
22108992524,1cyclictest7124-21apt-get20:54:352
22108992522,2cyclictest16547-21sh23:14:182
2210899250,0cyclictest0-21swapper/200:28:022
2210699250,24cyclictest16144-21diskmemload23:42:241
22102992523,1cyclictest28074-21ssh21:52:210
2210299250,24cyclictest16144-21diskmemload23:23:000
2210299250,24cyclictest11498-21ssh00:09:430
2210299250,24cyclictest0-21swapper/023:12:010
22112992423,1cyclictest34-21ksoftirqd/300:34:503
22112992422,2cyclictest23981-21ssh00:21:233
2211299241,1cyclictest151rcu_preempt23:30:253
2211299240,23cyclictest5684-21ssh22:01:393
2211299240,23cyclictest16144-21diskmemload23:47:123
2211299240,23cyclictest0-21swapper/323:52:113
2211299240,23cyclictest0-21swapper/322:58:113
22108992422,1cyclictest31786-21sh23:27:432
2210899242,1cyclictest4049-21rm00:33:542
2210899242,1cyclictest16144-21diskmemload22:43:592
22108992420,3cyclictest0-21swapper/222:19:382
2210899240,23cyclictest20568-21turbostat.cron21:45:002
2210899240,23cyclictest16144-21diskmemload00:17:522
2210899240,23cyclictest0-21swapper/223:22:032
2210899240,0cyclictest0-21swapper/221:22:502
2210899240,0cyclictest0-21swapper/221:16:222
2210899240,0cyclictest0-21swapper/200:13:232
22106992423,1cyclictest29492-21apt-get21:54:351
22106992422,1cyclictest0-21swapper/122:04:311
22106992422,1cyclictest0-21swapper/100:16:171
2210699242,1cyclictest8363-21sh00:06:361
22106992421,2cyclictest3886-21chrt23:00:581
22106992421,2cyclictest30402-21/usr/sbin/munin21:24:371
2210699240,23cyclictest0-21swapper/121:25:321
2210699240,1cyclictest0-21swapper/123:49:281
2210699240,0cyclictest0-21swapper/123:24:541
22102992424,0cyclictest0-21swapper/000:13:450
22102992422,1cyclictest7624-21ssh00:36:470
22102992422,1cyclictest0-21swapper/021:55:050
2210299240,24cyclictest0-21swapper/023:37:290
2210299240,24cyclictest0-21swapper/021:30:050
2210299240,23cyclictest0-21swapper/023:58:510
2210299240,23cyclictest0-21swapper/023:05:350
2210299240,23cyclictest0-21swapper/022:45:360
2210299240,1cyclictest0-21swapper/022:39:350
22112992323,0cyclictest16144-21diskmemload21:50:313
22112992323,0cyclictest0-21swapper/323:42:013
22112992321,1cyclictest27943-21ssh21:21:423
22112992321,1cyclictest0-21swapper/320:35:023
22112992320,2cyclictest6788-21tail00:04:443
22112992320,2cyclictest15450-21ssh23:12:333
2211299230,2cyclictest12716-21ssh23:09:403
2211299230,23cyclictest0-21swapper/323:27:293
2211299230,23cyclictest0-21swapper/322:36:413
2211299230,23cyclictest0-21swapper/322:30:083
2211299230,23cyclictest0-21swapper/321:59:383
2211299230,23cyclictest0-21swapper/300:11:053
2211299230,22cyclictest7102-21sh00:35:533
2211299230,22cyclictest16376-21sh21:41:143
2211299230,22cyclictest16330-21sh22:11:483
2211299230,22cyclictest16144-21diskmemload00:17:593
2211299230,22cyclictest0-21swapper/322:42:243
2211299230,22cyclictest0-21swapper/321:47:083
2211299230,1cyclictest32630-21ssh21:25:403
2211299230,1cyclictest0-21swapper/323:20:053
2211299230,0cyclictest0-21swapper/323:36:513
2211299230,0cyclictest0-21swapper/322:53:493
22108992323,0cyclictest16144-21diskmemload23:56:382
22108992323,0cyclictest0-21swapper/221:46:522
22108992323,0cyclictest0-21swapper/200:08:162
22108992321,1cyclictest19427-21ssh23:46:082
22108992320,1cyclictest3360-21kworker/u8:100:37:212
2210899230,23cyclictest16144-21diskmemload21:10:112
2210899230,23cyclictest0-21swapper/223:03:172
2210899230,23cyclictest0-21swapper/221:52:482
2210899230,22cyclictest9842-21ssh22:36:142
2210899230,22cyclictest5234-21ssh21:30:222
2210899230,22cyclictest2928-21ssh00:01:142
2210899230,22cyclictest12920-21sh22:09:342
2210899230,22cyclictest10920-21sh21:36:022
2210899230,0cyclictest16144-21diskmemload22:48:422
2210899230,0cyclictest0-21swapper/222:13:562
2210899230,0cyclictest0-21swapper/221:26:512
2210899230,0cyclictest0-21swapper/219:20:022
22106992323,0cyclictest0-21swapper/122:18:381
22106992323,0cyclictest0-21swapper/121:42:331
22106992323,0cyclictest0-21swapper/121:12:281
22106992323,0cyclictest0-21swapper/100:38:091
22106992323,0cyclictest0-21swapper/100:27:181
22106992323,0cyclictest0-21swapper/100:21:241
22106992322,1cyclictest16144-21diskmemload23:15:451
22106992321,1cyclictest0-21swapper/122:50:051
22106992321,1cyclictest0-21swapper/122:36:361
22106992321,1cyclictest0-21swapper/122:05:551
22106992321,1cyclictest0-21swapper/121:46:451
22106992321,1cyclictest0-21swapper/100:13:531
22106992320,2cyclictest26182-21sh23:53:331
22106992320,2cyclictest16327-21sh22:43:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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