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2026-02-25 - 04:55
[ 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 Wed Feb 25, 2026 00:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1536899280,0cyclictest9801-21diskmemload23:06:233
1536199260,2cyclictest10397-21ssh22:10:291
1535899260,25cyclictest6814-21sh00:08:480
1536499250,24cyclictest15814-21apt-get21:45:302
15361992523,1cyclictest0-21swapper/100:20:361
15361992523,1cyclictest0-21swapper/100:04:161
1536199250,24cyclictest0-21swapper/100:27:041
1535899250,24cyclictest9801-21diskmemload23:30:440
1535899250,24cyclictest9801-21diskmemload23:30:440
1535899250,24cyclictest9801-21diskmemload00:25:560
15368992422,1cyclictest4821-21/usr/sbin/munin21:35:373
1536899242,21cyclictest34-21ksoftirqd/321:40:363
15368992422,1cyclictest34-21ksoftirqd/321:21:443
1536899241,22cyclictest34-21ksoftirqd/322:00:303
1536899240,24cyclictest0-21swapper/323:52:323
1536899240,23cyclictest696-21ssh23:01:223
1536899240,23cyclictest1285-21ssh22:31:153
1536899240,23cyclictest0-21swapper/300:32:193
1536899240,1cyclictest0-21swapper/323:48:483
15364992423,1cyclictest0-21swapper/222:12:542
15364992423,1cyclictest0-21swapper/221:36:542
1536499240,23cyclictest9801-21diskmemload22:08:502
1536499240,23cyclictest3772-21awk22:35:002
1536499240,23cyclictest16820-21ntp_states21:15:352
1536499240,23cyclictest0-21swapper/223:25:362
1536499240,23cyclictest0-21swapper/223:12:372
1536499240,23cyclictest0-21swapper/222:49:302
1536499240,23cyclictest0-21swapper/221:51:172
1536499240,1cyclictest9801-21diskmemload23:57:042
1536499240,1cyclictest23562-21ssh23:23:492
15361992424,0cyclictest0-21swapper/123:27:101
15361992423,1cyclictest9801-21diskmemload21:58:161
15361992422,1cyclictest0-21swapper/123:48:511
1536199240,24cyclictest0-21swapper/122:35:341
1536199240,24cyclictest0-21swapper/122:19:351
1536199240,23cyclictest9801-21diskmemload23:38:051
1536199240,23cyclictest0-21swapper/100:12:331
1536199240,1cyclictest28821-21rm21:26:021
1536199240,0cyclictest9801-21diskmemload23:16:031
1536199240,0cyclictest0-21swapper/121:47:151
15358992423,1cyclictest9801-21diskmemload23:38:200
15358992421,2cyclictest1705-21rm22:01:350
1535899240,0cyclictest9801-21diskmemload23:13:070
1535899240,0cyclictest9801-21diskmemload22:38:580
1535899240,0cyclictest0-21swapper/021:52:330
15368992323,0cyclictest24100-21apt-get00:25:313
15368992323,0cyclictest0-21swapper/323:59:003
15368992323,0cyclictest0-21swapper/323:14:283
15368992323,0cyclictest0-21swapper/322:25:193
15368992321,1cyclictest15904-21ssh00:16:283
15368992321,1cyclictest13985-21sh23:15:093
15368992321,1cyclictest0-21swapper/322:50:293
15368992321,1cyclictest0-21swapper/321:51:413
15368992321,1cyclictest0-21swapper/300:20:563
1536899230,23cyclictest0-21swapper/322:46:303
1536899230,23cyclictest0-21swapper/321:17:053
1536899230,23cyclictest0-21swapper/321:12:383
1536899230,22cyclictest9657-21find00:10:393
1536899230,22cyclictest5175-21rm00:06:143
1536899230,22cyclictest13480-21sh22:43:463
1536899230,22cyclictest0-21swapper/322:20:213
1536899230,22cyclictest0-21swapper/322:16:273
1536899230,0cyclictest0-21swapper/323:25:443
1536899230,0cyclictest0-21swapper/322:57:173
1536899230,0cyclictest0-21swapper/321:31:293
15364992323,0cyclictest0-21swapper/223:35:102
15364992323,0cyclictest0-21swapper/222:27:542
15364992323,0cyclictest0-21swapper/222:15:152
15364992323,0cyclictest0-21swapper/221:42:142
15364992323,0cyclictest0-21swapper/200:20:032
15364992322,1cyclictest9801-21diskmemload23:43:202
15364992322,1cyclictest9801-21diskmemload00:13:002
15364992321,1cyclictest0-21swapper/223:30:412
15364992321,1cyclictest0-21swapper/223:30:412
15364992321,1cyclictest0-21swapper/222:50:412
15364992321,1cyclictest0-21swapper/221:10:362
15364992321,1cyclictest0-21swapper/200:30:322
15364992320,2cyclictest21915-21fschecks_count21:20:332
1536499230,2cyclictest7660-21dump-pmu-power00:10:002
1536499230,23cyclictest0-21swapper/222:41:382
1536499230,23cyclictest0-21swapper/221:25:082
1536499230,22cyclictest9801-21diskmemload22:01:012
1536499230,22cyclictest4970-21perf19:55:002
1536499230,22cyclictest0-21swapper/223:00:562
1536499230,0cyclictest0-21swapper/223:49:002
1536499230,0cyclictest0-21swapper/222:55:582
1536499230,0cyclictest0-21swapper/221:55:422
1536499230,0cyclictest0-21swapper/221:31:192
1536499230,0cyclictest0-21swapper/200:37:512
15361992323,0cyclictest9801-21diskmemload23:20:291
15361992323,0cyclictest0-21swapper/123:43:011
15361992321,1cyclictest0-21swapper/123:08:111
1536199230,23cyclictest0-21swapper/123:59:381
1536199230,23cyclictest0-21swapper/122:31:271
1536199230,23cyclictest0-21swapper/122:25:491
1536199230,23cyclictest0-21swapper/122:01:061
1536199230,23cyclictest0-21swapper/100:07:121
1536199230,22cyclictest23795-21chrt22:53:141
1536199230,22cyclictest15403-21chrt21:15:041
1536199230,22cyclictest0-21swapper/121:12:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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