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2026-01-29 - 10:17
[ 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 Thu Jan 29, 2026 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19979992727,0cyclictest0-21swapper/023:00:110
1997999262,0cyclictest28517-21kworker/u8:200:13:160
1998699250,24cyclictest19239-21apt-get23:18:133
1998699250,24cyclictest13232-21diskmemload21:22:233
1998699250,24cyclictest0-21swapper/322:11:593
1998199250,21cyclictest13232-21diskmemload22:33:592
1998099250,24cyclictest6105-21sh22:34:001
1998099250,24cyclictest0-21swapper/123:07:501
19979992524,1cyclictest62550irq/127-eno100:04:430
1997999250,24cyclictest0-21swapper/022:36:290
19986992423,0cyclictest1266-21ssh23:00:113
19986992421,2cyclictest6213-21ssh00:36:203
1998699240,2cyclictest10814-21ssh23:39:433
1998699240,24cyclictest0-21swapper/323:28:183
1998699240,24cyclictest0-21swapper/321:54:363
1998699240,23cyclictest22089-21ssh21:48:223
1998699240,23cyclictest21620-21munin-run20:20:013
1998699240,23cyclictest13232-21diskmemload00:04:363
1998699240,1cyclictest13232-21diskmemload23:10:033
19981992424,0cyclictest28-21ksoftirqd/223:00:112
19981992423,1cyclictest7916-21ssh22:36:292
1998199240,2cyclictest13109-21ssh23:12:042
1998199240,24cyclictest0-21swapper/223:56:402
1998199240,24cyclictest0-21swapper/222:51:322
1998199240,23cyclictest17638-21ssh21:44:162
1998199240,23cyclictest14308-21ssh22:12:142
1998199240,23cyclictest13232-21diskmemload00:03:382
1998199240,0cyclictest0-21swapper/221:33:252
19980992424,0cyclictest0-21swapper/122:35:311
19980992422,1cyclictest0-21swapper/121:14:101
1998099240,24cyclictest0-21swapper/123:46:401
1998099240,23cyclictest13232-21diskmemload22:28:341
1998099240,23cyclictest13232-21diskmemload22:28:341
1998099240,23cyclictest13232-21diskmemload21:15:241
1998099240,23cyclictest0-21swapper/121:29:551
1998099240,23cyclictest0-21swapper/100:01:491
1998099240,0cyclictest0-21swapper/121:49:161
19979992422,1cyclictest0-21swapper/022:25:310
19979992422,1cyclictest0-21swapper/022:25:310
1997999240,2cyclictest10994-21cron23:40:000
1997999240,24cyclictest0-21swapper/023:20:480
1997999240,24cyclictest0-21swapper/022:03:510
1997999240,24cyclictest0-21swapper/021:45:470
1997999240,23cyclictest0-21swapper/023:48:560
1997999240,23cyclictest0-21swapper/023:43:350
1997999240,23cyclictest0-21swapper/022:13:110
1997999240,23cyclictest0-21swapper/022:07:010
1997999240,23cyclictest0-21swapper/021:26:210
1997999240,1cyclictest141rcuc/021:53:130
1997999240,1cyclictest13232-21diskmemload22:50:090
1997999240,1cyclictest0-21swapper/000:34:580
1997999240,0cyclictest0-21swapper/000:36:200
19986992323,0cyclictest28392-21ssh22:24:463
19986992323,0cyclictest0-21swapper/323:56:403
19986992323,0cyclictest0-21swapper/323:41:043
19986992322,1cyclictest13232-21diskmemload00:12:173
19986992321,1cyclictest0-21swapper/323:34:533
19986992320,2cyclictest632-21sh21:28:223
1998699230,23cyclictest0-21swapper/322:52:283
1998699230,23cyclictest0-21swapper/322:35:323
1998699230,22cyclictest8270-21ssh21:35:543
1998699230,22cyclictest7934-21sh23:07:153
1998699230,22cyclictest32296-21awk21:58:213
1998699230,22cyclictest2662-21ssh21:30:243
1998699230,22cyclictest0-21swapper/322:55:233
1998699230,0cyclictest13232-21diskmemload00:15:213
1998699230,0cyclictest0-21swapper/322:31:253
1998699230,0cyclictest0-21swapper/322:08:353
1998699230,0cyclictest0-21swapper/300:26:433
19981992322,1cyclictest13232-21diskmemload21:13:462
19981992322,0cyclictest0-21swapper/200:35:472
19981992321,1cyclictest783-21snmpd21:46:042
1998199231,21cyclictest14977-21fschecks_count22:43:182
1998199230,2cyclictest28933-21ssh22:25:112
1998199230,2cyclictest28933-21ssh22:25:112
1998199230,23cyclictest0-21swapper/223:53:052
1998199230,23cyclictest0-21swapper/223:48:152
1998199230,23cyclictest0-21swapper/223:41:042
1998199230,23cyclictest0-21swapper/221:53:032
1998199230,22cyclictest7874-21ssh23:07:092
1998199230,22cyclictest6433-21sh23:35:522
1998199230,22cyclictest25218-21ssh21:21:352
1998199230,22cyclictest20028-21taskset21:16:492
1998199230,22cyclictest19309-21sh22:47:402
1998199230,22cyclictest10016-21sh00:09:122
1998199230,22cyclictest0-21swapper/200:18:292
1998199230,1cyclictest0-21swapper/221:59:202
1998199230,0cyclictest0-21swapper/223:22:252
1998199230,0cyclictest0-21swapper/222:24:462
19980992323,0cyclictest0-21swapper/123:25:571
19980992323,0cyclictest0-21swapper/122:21:051
19980992323,0cyclictest0-21swapper/100:12:201
19980992321,1cyclictest22396-21kworker/u8:100:23:141
19980992321,1cyclictest11858-21rm23:41:011
19980992321,1cyclictest0-21swapper/123:01:341
19980992321,1cyclictest0-21swapper/100:08:271
1998099230,2cyclictest24732-21sh21:20:521
1998099230,23cyclictest0-21swapper/123:31:291
1998099230,23cyclictest0-21swapper/121:50:411
1998099230,23cyclictest0-21swapper/100:28:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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