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2026-01-13 - 05:27
[ 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 #3, slot #3

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 highest latencies:
System rack3slot3s.osadl.org (updated Tue Jan 13, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1415361213558,72sleep30-21swapper/319:07:313
141527628256,20sleep00-21swapper/019:06:280
141541028053,10sleep20-21swapper/219:08:102
141524927862,10sleep10-21swapper/119:06:091
141566499280,16cyclictest0-21swapper/319:55:003
1415664992714,3cyclictest0-21swapper/319:40:003
141566499261,20cyclictest1549995-21turbostat21:20:003
141566499241,18cyclictest0-21swapper/323:29:033
14193872230,7sleep1321rcuc/119:10:171
1415664992320,1cyclictest0-21swapper/319:55:233
141566499231,18cyclictest1581054-21taskset21:45:223
141566499231,11cyclictest1740139-21sleep00:20:013
141566499228,11cyclictest1665250-21chrt23:05:183
141566499227,3cyclictest14588522sleep319:45:193
141566499227,12cyclictest15850irq/127-ahci[0000:00:17.0]22:58:033
141566499221,16cyclictest1619092-21taskset22:24:303
141566499219,9cyclictest1613564-21chrt22:16:093
1415664992118,1cyclictest0-21swapper/323:20:243
1415664992118,1cyclictest0-21swapper/319:25:003
141566499211,16cyclictest0-21swapper/323:01:383
141566499211,15cyclictest0-21swapper/319:12:373
1415664992017,1cyclictest0-21swapper/322:00:123
1415664992017,1cyclictest0-21swapper/321:55:003
1415664992017,1cyclictest0-21swapper/320:55:003
1415664992017,1cyclictest0-21swapper/300:30:003
141566499201,15cyclictest1729330-21turbostat00:10:013
141566499201,12cyclictest1598419-21taskset22:05:063
141566499200,10cyclictest0-21swapper/322:44:273
141566499194,12cyclictest0-21swapper/323:15:263
1415664991917,1cyclictest0-21swapper/322:35:143
1415664991916,1cyclictest0-21swapper/323:10:133
1415664991916,1cyclictest0-21swapper/321:55:163
1415664991915,2cyclictest0-21swapper/321:05:113
1415664991915,2cyclictest0-21swapper/321:05:113
1415664991914,2cyclictest0-21swapper/319:27:083
1415664991912,5cyclictest0-21swapper/300:20:193
141566499191,13cyclictest1755866-21taskset00:35:003
141566499191,13cyclictest0-21swapper/319:40:123
141566499191,12cyclictest1518505-21taskset20:49:553
141566499191,11cyclictest1729847-21taskset00:10:033
141566499191,11cyclictest1508767-21taskset20:35:173
17182192180,3sleep21624369-21kworker/2:0-events23:55:282
16400822181,7sleep11640320-21cat22:45:011
141566499187,8cyclictest1420871-21turbostat19:19:553
141566499183,5cyclictest228-1kworker/3:1H+kblockd20:40:343
1415664991815,1cyclictest0-21swapper/323:40:183
1415664991815,1cyclictest0-21swapper/322:50:223
1415664991815,1cyclictest0-21swapper/320:20:163
1415664991814,2cyclictest0-21swapper/321:22:263
1415664991814,2cyclictest0-21swapper/300:00:123
141566499181,14cyclictest0-21swapper/321:10:113
141566499181,13cyclictest1708524-21chrt23:50:113
141566499181,13cyclictest1697768-21sleep23:40:003
141566499181,13cyclictest0-21swapper/320:25:113
141566499181,11cyclictest1564983-21taskset21:30:193
141566499181,10cyclictest1571540-21taskset21:40:023
16668102172,10sleep11667026-21/usr/sbin/munin23:10:141
16289272171,11sleep21629171-21users22:30:272
141566499176,2cyclictest0-21swapper/321:40:393
1415664991714,2cyclictest0-21swapper/319:34:323
1415664991714,1cyclictest0-21swapper/321:00:003
141566499171,13cyclictest0-21swapper/321:25:173
141566499171,13cyclictest0-21swapper/320:05:203
141566499171,12cyclictest1640360-21chrt22:45:103
141566499171,12cyclictest0-21swapper/323:45:193
141566499170,12cyclictest0-21swapper/320:00:113
14549592161,9sleep01455164-21diskstats19:45:120
141566499161,3cyclictest0-21swapper/320:15:103
141566499161,12cyclictest1507119-21turbostat20:35:003
141566499161,10cyclictest1760683-21taskset00:35:323
141566499161,10cyclictest1486035-21taskset20:13:233
141566499160,13cyclictest0-21swapper/322:10:093
141566499160,13cyclictest0-21swapper/322:10:093
141566499160,12cyclictest0-21swapper/321:00:203
16862662151,9sleep11686320-21ntpq23:25:211
16571422151,9sleep21658820-21cut23:00:182
16390962151,9sleep21639142-21ntpq22:40:212
15554262151,4sleep21555445-21apt-get21:25:112
14778872151,2sleep20-21swapper/220:05:182
141566499151,11cyclictest1689624-21chrt23:30:153
141566499151,10cyclictest1619379-21chrt22:25:033
141566499150,12cyclictest0-21swapper/323:55:173
141566499150,12cyclictest0-21swapper/322:30:163
17558332141,8sleep21755854-21perf00:35:002
14869522141,9sleep01487253-21grep20:15:140
14704052141,9sleep01465132-21cron19:59:560
14450382141,9sleep11446685-21cut19:35:151
17239352131,1sleep00-21swapper/000:04:000
17179792131,4sleep11718218-21sed23:55:281
14237892131,8sleep21425444-21cut19:15:162
17390032121,5sleep11739092-21ntpq00:15:191
17298562122,5sleep21729875-21apt-get00:10:112
15671272121,7sleep21568820-21kthreadcore21:35:162
15489682121,2sleep11549022-21ntpq21:15:191
15353212121,6sleep01536986-21kthreadcore21:05:160
15353212121,6sleep01536986-21kthreadcore21:05:160
15245772121,6sleep21525871-21kthreadcore20:55:162
15081892121,7sleep21508766-21grep20:35:162
14651312121,5sleep21465155-21munin-run19:55:002
14333882121,7sleep10-21swapper/119:25:021
14289632121,7sleep00-21swapper/019:20:150
14230842123,4sleep11423103-21apt-get19:15:111
14175882121,7sleep01419382-21kthreadcore19:10:180
17461452111,4sleep11746214-21irqstats00:25:171
16341132110,7sleep01634330-21unixbench_multi22:35:260
15879802111,3sleep00-21swapper/021:55:140
15503052111,5sleep11550525-21df_inode21:20:121
15388492111,6sleep11539020-21timerwakeupswit21:05:261
15388492111,6sleep11539020-21timerwakeupswit21:05:251
15228612111,3sleep11522984-21/usr/sbin/munin20:50:221
15140932111,6sleep01514800-21kthreadcore20:45:120
14970332111,4sleep11497156-21diskstats20:25:131
14860332110,1sleep10-21swapper/120:13:221
14444152111,5sleep01444434-21apt-get19:35:100
17403882101,4sleep01740407-21apt-get00:20:120
17356882101,4sleep21736484-21cut00:15:162
17343042101,4sleep11734496-21users00:10:261
17290972100,1sleep10-21swapper/100:07:131
17085882101,4sleep01708791-21diskstats23:50:130
16966882101,4sleep11696739-21ntpq23:35:191
16914882101,4sleep21691537-21ntpq23:30:192
16809542100,1sleep00-21swapper/023:20:190
16345962101,5sleep1248-21systemd-journal22:37:271
16286062101,5sleep11628659-21ntp_states22:30:221
16237392101,4sleep21623945-21users22:25:262
16128882101,4sleep21612938-21ntpq22:15:212
15923222100,1sleep20-21swapper/221:55:442
15769512101,4sleep01576970-21apt-get21:45:120
15755942101,4sleep11575683-21ntpq21:40:201
15609162101,4sleep11560935-21apt-get21:30:101
15508092105,2sleep00-21swapper/021:20:150
15497152100,1sleep00-21swapper/021:16:580
15331812100,1sleep20-21swapper/221:00:172
15290522101,4sleep11529080-21munin-run21:00:001
15242952101,4sleep01524504-21hddtemp_smartct20:55:140
15138162101,5sleep21513940-21perl20:45:102
15132762101,4sleep01513325-21munin-run20:45:000
14589662101,5sleep11459080-21awk19:45:211
14328002101,4sleep21433017-21users19:20:252
1759939291,3sleep11760027-21ntpq00:35:191
1751361291,4sleep11751511-21grep00:30:151
1728920291,4sleep01728954-21vmstat00:05:280
1717704290,1sleep00-21swapper/023:55:220
1703911293,3sleep01705552-21kthreadcore23:45:170
1698596291,4sleep21700075-21kthreadcore23:40:172
1687495291,3sleep11687514-21apt-get23:30:101
1672291291,4sleep21672747-21cat23:15:162
1672024291,4sleep01672092-21fschecks_count23:15:140
1665200291,3sleep21665248-21ntpq23:05:182
1645889291,3sleep11646101-21hddtemp_smartct22:50:151
1645597291,3sleep21645616-21apt-get22:50:112
1614763291,3sleep21616357-21cut22:20:172
1605139291,4sleep21606892-21grep22:10:162
1605139291,4sleep21606892-21grep22:10:152
1604228291,4sleep11605137-21grep22:10:151
1604228291,4sleep11605137-21grep22:10:141
1597888291,4sleep01597948-21apt-config22:05:000
1586000291,4sleep11586141-21ntpq21:50:181
1576008294,2sleep00-21swapper/021:40:280
1572294291,4sleep21573377-21grep21:40:172
1564931291,4sleep21564981-21ntpq21:30:192
1543291291,4sleep01543659-21needreboot21:10:170
1529618291,3sleep11529742-21perl21:00:131
1507402291,3sleep01507118-21apt-get20:35:020
1501504290,2sleep00-21swapper/020:25:440
1487254291,4sleep11488918-21cut20:15:161
1479884291,4sleep01479932-21ntpq20:05:200
1475998291,4sleep11476142-21cstates20:05:141
1472817291,4sleep21474520-21sed20:00:172
1470696291,3sleep01470715-21apt-get20:00:110
1450832294,2sleep21451700-21kthreadcore19:40:172
1439670291,3sleep21441319-21cut19:30:162
1756659281,3sleep21756697-21kthreadcore00:35:162
1756379281,3sleep01756527-21gltestperf00:35:140
1750563281,3sleep21-21systemd00:29:552
1741000281,3sleep11742445-21kthreadcore00:20:161
1678969281,4sleep20-21swapper/223:20:172
1644465281,3sleep11644601-21mailstats22:45:211
1640338281,2sleep20-21swapper/222:45:102
1630365281,4sleep21631125-21cut22:35:162
1629360281,3sleep01629361-21sshd22:32:410
1614159281,2sleep10-21swapper/122:20:121
1609213281,3sleep01609427-21smartctl22:15:140
1599007281,3sleep01600476-21ps22:05:160
1582734281,3sleep21582788-21kthreadcore21:50:152
1571083281,4sleep0800-21snmpd21:38:590
1553560281,3sleep21554072-21needreboot21:20:172
1543754281,3sleep21543809-21ld21:10:192
1530766281,3sleep01532512-21kthreadcore21:00:160
1507638281,2sleep11507657-21apt-get20:35:111
1459564280,1sleep20-21swapper/219:46:222
1444654280,1sleep20-21swapper/219:35:122
1755677270,1sleep00-21swapper/000:33:030
1723869273,3sleep2431ktimers/200:03:102
1719534271,2sleep10-21swapper/100:00:161
1713080271,3sleep21713094-21sshd23:50:272
1708792271,3sleep1321rcuc/123:50:141
1702851270,1sleep10-21swapper/123:43:001
1682260270,2sleep00-21swapper/023:25:130
1677622272,2sleep10-21swapper/123:20:161
1666509270,2sleep20-21swapper/223:10:122
1656066270,2sleep10-21swapper/123:00:121
1655782271,3sleep11655857-21latency_hist23:00:001
1623625271,2sleep10-21swapper/122:25:251
1619412273,1sleep00-21swapper/022:25:120
1608919271,1sleep10-21swapper/122:15:111
1607791271,3sleep00-21swapper/022:10:210
1607791271,3sleep00-21swapper/022:10:210
1597196271,2sleep20-21swapper/222:00:252
1592346270,1sleep10-21swapper/121:56:031
1581731270,1sleep20-21swapper/221:47:342
1566167270,2sleep10-21swapper/121:35:111
1565610270,1sleep00-21swapper/021:31:170
1560223270,1sleep10-21swapper/121:28:011
1539804270,2sleep10-21swapper/121:10:101
1539252270,1sleep20-21swapper/221:06:222
1539252270,1sleep20-21swapper/221:06:222
1523565271,4sleep20-21swapper/220:52:432
1523512270,4sleep00-21swapper/020:52:060
1502127271,3sleep00-21swapper/020:30:130
1491656270,2sleep00-21swapper/020:20:110
1483117271,2sleep00-21swapper/020:10:170
1465393271,2sleep21465412-21apt-get19:55:122
1454616271,2sleep01454664-21systemd-run19:45:000
1443841270,1sleep00-21swapper/019:34:300
1442858271,2sleep11442902-21ntpq19:30:181
1438623271,2sleep01438714-21latency_hist19:30:010
1437674271,2sleep11437728-21ntpq19:25:211
1735412261,2sleep00-21swapper/000:15:140
1729474260,1sleep00-21swapper/000:10:010
1725882261,2sleep20-21swapper/200:05:192
1702126261,2sleep00-21swapper/023:40:230
1697454260,4sleep20-21swapper/223:36:322
1692297260,1sleep00-21swapper/023:32:490
1686322261,2sleep20-21swapper/223:25:222
1676767260,2sleep11676828-21modprobe23:20:001
1666507260,1sleep00-21swapper/023:10:090
1664988260,2sleep11665194-21strings23:05:171
1663172261,2sleep01664983-21kthreadcore23:05:160
1661026260,1sleep00-21swapper/023:04:520
1651069261,2sleep00-21swapper/022:55:140
1650831260,2sleep20-21swapper/222:55:122
1650517260,1sleep00-21swapper/022:54:220
1645317260,1sleep00-21swapper/022:49:450
1603181260,1sleep10-21swapper/122:07:131
1598410260,1sleep20-21swapper/222:05:022
1596908261,1sleep10-21swapper/122:00:211
1587054260,4sleep00-21swapper/021:53:430
1577766261,2sleep10-21swapper/121:45:171
1549024261,2sleep20-21swapper/221:15:212
1514803261,2sleep10-21swapper/120:45:131
1506227260,3sleep21502105-21/usr/sbin/munin20:30:232
1504278261,2sleep10-21swapper/120:30:181
1496855260,1sleep20-21swapper/220:25:032
1492283261,2sleep10-21swapper/120:20:161
1481187260,1sleep20-21swapper/220:10:112
1470322260,1sleep10-21swapper/119:58:511
1462219261,1sleep10-21swapper/119:50:181
1460136261,2sleep00-21swapper/019:50:130
1449668261,2sleep10-21swapper/119:40:121
1421114260,2sleep00-21swapper/019:15:020
1415850260,1sleep20-21swapper/219:10:112
1745381250,1sleep20-21swapper/200:24:582
1707652250,1sleep20-21swapper/223:45:262
1638879250,1sleep00-21swapper/022:40:200
1560026250,3sleep00-21swapper/021:25:320
1513067250,1sleep10-21swapper/120:42:241
1491191250,1sleep20-21swapper/220:17:412
1471300250,2sleep10-21swapper/120:00:161
1437968250,1sleep20-21swapper/219:25:262
1745935240,1sleep00-21swapper/000:25:160
1703010240,1sleep10-21swapper/123:45:021
1692725240,2sleep00-21swapper/023:35:070
1614453240,1sleep00-21swapper/022:20:150
1491375240,1sleep20-21swapper/220:20:012
1512886230,1sleep20-21swapper/220:40:052
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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