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2026-01-18 - 13:20
[ 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 #4

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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rackeslot4s.osadl.org (updated Sun Jan 18, 2026 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1593690994135,4cyclictest1692208-21/usr/sbin/munin20:45:152
1593682993729,5cyclictest252-21systemd-journal23:45:010
1593682993631,3cyclictest1771181-21/usr/sbin/munin22:05:130
1593682993631,3cyclictest1771181-21/usr/sbin/munin22:05:130
1593685993529,4cyclictest1609110-21latency_hist19:25:001
1593682993528,5cyclictest252-21systemd-journal23:30:010
1593695993431,2cyclictest1676131-21apt-get20:30:023
1593690993430,3cyclictest1791785-21kworker/u8:2+flush-259:022:35:152
1593685993328,3cyclictest1869923-21cat23:40:001
1593685993323,8cyclictest1885933-21apt-get23:55:121
1593685993222,9cyclictest1880768-21apt-get23:50:111
1593695993025,3cyclictest252-21systemd-journal21:16:033
1593685993024,5cyclictest1738516-21ntpq21:30:191
1593695992923,4cyclictest252-21systemd-journal21:01:033
1593682992922,5cyclictest1795820-21ntpq22:25:210
1593695992822,4cyclictest252-21systemd-journal00:25:003
1593690992823,3cyclictest1718617-21/usr/sbin/munin21:15:212
1593690992822,4cyclictest252-21systemd-journal19:35:002
1593682992822,4cyclictest1817555-21apt-get22:50:120
1593682992722,3cyclictest252-21systemd-journal21:22:030
1593690992621,4cyclictest1744861-21/usr/sbin/munin21:40:142
1593690992621,3cyclictest252-21systemd-journal21:25:002
1593682992519,4cyclictest1853458-21apt-get23:25:000
1593690992421,2cyclictest1624648-21kworker/u8:1+flush-259:020:10:242
1593685992420,3cyclictest1896289-21apt-get00:05:111
1593682992420,3cyclictest1791785-21kworker/u8:2+flush-259:023:15:110
1593682992419,4cyclictest1874633-21kworker/u8:3+flush-259:000:10:150
1593695992320,2cyclictest1875125-21journal-offline23:42:563
1593695992319,3cyclictest1588517-21kworker/u8:0+flush-259:019:30:443
1593690992318,3cyclictest1713488-21/usr/sbin/munin21:10:152
1593690992317,4cyclictest1848296-21latency_hist23:20:012
1593682992319,3cyclictest1801894-21kworker/u8:0+events_unbound22:40:160
1593682992319,3cyclictest1791785-21kworker/u8:2+events_unbound22:35:140
1593682992319,3cyclictest1624648-21kworker/u8:1+flush-259:019:55:280
1593682992319,3cyclictest1624648-21kworker/u8:1+flush-259:019:55:280
1593682992319,3cyclictest1624648-21kworker/u8:1+events_unbound20:05:120
1593682992317,4cyclictest1791785-21kworker/u8:2+flush-259:000:30:000
1593682992317,4cyclictest1791785-21kworker/u8:2+flush-259:000:30:000
1593695992219,2cyclictest1676131-21apt-get20:30:013
1593695992218,3cyclictest1859197-21base6423:30:013
1593695992216,4cyclictest252-21systemd-journal20:49:033
1593695992216,4cyclictest1624605-21latency_hist19:40:003
1593690992216,4cyclictest1676366-21cat20:30:002
1593685992217,3cyclictest1827879-21/usr/sbin/munin23:00:141
1593682992219,2cyclictest1681664-21kworker/u8:3+flush-259:021:05:320
1593682992218,3cyclictest1874633-21kworker/u8:3+flush-259:023:45:160
1593685992116,3cyclictest1801894-21kworker/u8:0+flush-259:022:55:171
1593685992115,4cyclictest1921768-21latency_hist00:30:001
1593685992115,4cyclictest1870392-21base6423:40:001
159368599210,10cyclictest1697544-21tune2fs20:50:141
1593682992117,3cyclictest1874633-21kworker/u8:3+events_unbound00:05:130
1593682992117,3cyclictest1718609-21kworker/u8:2+events_unbound21:40:020
1593682992113,5cyclictest252-21systemd-journal20:40:000
1593690992016,3cyclictest1624648-21kworker/u8:1+flush-259:019:45:192
1593685992013,4cyclictest1922432-21latency_hist00:35:011
1593682992016,3cyclictest1817520-21kworker/u8:4+events_unbound23:00:230
1593695991916,2cyclictest1635628-21irqcore19:50:163
1593695991915,3cyclictest252-21systemd-journal00:15:003
1593695991914,4cyclictest1593589-21latency_hist19:10:003
1593695991914,3cyclictest1750283-21gpgv21:45:003
1593685991914,4cyclictest1614288-21kworker/u8:2+flush-259:019:35:181
1593682991912,5cyclictest252-21systemd-journal20:55:010
1593695991816,1cyclictest3110910-21kworker/3:2-mm_percpu_wq22:37:033
1593695991815,2cyclictest1922421-21idleruntime-cro00:35:003
1593695991813,4cyclictest1901183-21kworker/u8:0+flush-259:000:35:373
1593695991813,4cyclictest1822693-21/usr/sbin/munin22:55:153
1593695991813,3cyclictest1529546-21kworker/u8:3+flush-259:019:15:173
1593695991812,4cyclictest1670956-21latency_hist20:25:013
1593690991814,3cyclictest1801894-21kworker/u8:0+flush-259:022:40:262
1593690991814,3cyclictest1734290-21kworker/u8:1+flush-259:022:07:082
1593690991814,3cyclictest1734290-21kworker/u8:1+flush-259:022:07:082
1593690991814,2cyclictest509-21rs:main2
1593690991813,4cyclictest1734242-21cat21:29:552
159368599182,7cyclictest17941452kthreadcore22:25:181
1593685991814,3cyclictest1676112-21idleruntime-cro20:30:001
1593685991813,4cyclictest1681664-21kworker/u8:3+flush-259:021:05:351
1593685991812,4cyclictest1750522-21apt-get21:45:131
1593685991812,4cyclictest1723727-21cp21:20:011
159368599180,13cyclictest2109693-21snmpd21:40:131
1593682991814,3cyclictest1791785-21kworker/u8:2+events_unbound22:30:220
1593682991814,3cyclictest1702263-21kworker/u8:4+events_unbound21:25:170
1593682991814,2cyclictest0-21swapper/019:30:000
1593682991813,4cyclictest1776347-21apt-get22:10:110
1593682991812,4cyclictest1702263-21kworker/u8:4+flush-259:021:00:010
1593682991811,5cyclictest1842309-21ntpq23:10:210
1593695991713,3cyclictest1702263-21kworker/u8:4+flush-259:022:10:003
1593695991713,3cyclictest1702263-21kworker/u8:4+flush-259:022:10:003
1593695991712,4cyclictest1724174-21cp21:20:023
1593690991714,2cyclictest1853659-21gpgv23:25:012
1593690991714,2cyclictest1629813-21sh19:45:002
1593685991713,3cyclictest1791785-21kworker/u8:2+flush-259:023:10:161
1593685991713,2cyclictest1707414-21dump-pmu-power21:00:011
159368599171,13cyclictest1802049-21ls22:35:011
1593682991714,2cyclictest1911494-21kworker/u8:1+events_unbound00:20:130
1593682991714,2cyclictest1718609-21kworker/u8:2+flush-259:021:30:150
1593682991713,3cyclictest1665786-21kworker/u8:0+flush-259:020:25:160
1593695991613,2cyclictest1874633-21kworker/u8:3+flush-259:000:15:263
1593695991613,2cyclictest1837096-21ntp_kernel_err23:05:203
1593695991612,3cyclictest1781512-21apt-get22:15:113
1593690991614,1cyclictest0-21swapper/223:05:002
1593690991613,2cyclictest1529546-21kworker/u8:3+flush-259:019:10:262
1593690991612,3cyclictest1702263-21kworker/u8:4+flush-259:021:55:272
1593690991612,3cyclictest1687238-21diskstats20:40:172
159368599167,8cyclictest1613799-21tail19:25:251
159368599164,10cyclictest1906809-21tune2fs00:15:131
1593685991612,3cyclictest1655529-21kworker/u8:2+flush-259:020:50:011
1593685991611,4cyclictest252-21systemd-journal22:50:001
159368599160,15cyclictest0-21swapper/123:30:181
159368599160,14cyclictest1920858-21collect200:25:181
159368599160,14cyclictest1821684-21ps22:50:241
159368599160,13cyclictest1901519-21cpuspeed_turbos00:10:131
159368599160,13cyclictest1807151-21latency_hist22:40:011
159368599160,13cyclictest1635076-21sed19:50:001
1593682991614,1cyclictest60350irq/132-enp0s29f1:rx-019:41:160
1593682991613,2cyclictest1713938-21irqcore21:10:170
1593682991612,3cyclictest1901183-21kworker/u8:0+events_unbound00:35:070
1593682991612,3cyclictest1770960-21kworker/u8:0+flush-259:022:17:050
1593682991612,3cyclictest1624648-21kworker/u8:1+events_unbound19:50:200
1593682991612,3cyclictest1529546-21kworker/u8:3+events_unbound20:10:010
1593682991612,2cyclictest60350irq/132-enp0s29f1:rx-019:10:130
1593682991612,2cyclictest0-21swapper/019:19:590
1593682991611,4cyclictest1874633-21kworker/u8:3+events_unbound23:50:220
1593682991611,4cyclictest1791785-21kworker/u8:2+flush-259:022:45:100
1593682991610,4cyclictest1859659-21cp23:30:010
1593695991510,4cyclictest1739436-21latency_hist21:35:003
1593695991510,4cyclictest1529546-21kworker/u8:3+flush-259:020:00:253
1593695991510,3cyclictest252-21systemd-journal20:15:003
159368599159,5cyclictest1603065-21ntpq19:15:221
159368599159,4cyclictest1780395-21ntpq22:10:211
159368599155,8cyclictest513-21gdbus00:25:001
1593685991513,1cyclictest1853529-21apt-key23:25:011
159368599151,12cyclictest1880499-21cron23:49:591
159368599151,12cyclictest1844404-21cut23:15:161
159368599151,12cyclictest1691952-21cron20:45:001
159368599151,12cyclictest1681637-21apt20:35:001
159368599151,12cyclictest1670283-21cat20:20:231
159368599151,12cyclictest1625296-21grep19:40:171
159368599150,8cyclictest832-21runrttasks23:29:091
159368599150,7cyclictest0-21swapper/123:05:141
159368599150,13cyclictest1776241-21cut22:10:001
159368599150,13cyclictest1776241-21cut22:10:001
159368599150,13cyclictest1640170-21sed19:55:011
159368599150,13cyclictest1617792-21grep19:30:171
159368599150,12cyclictest1923238-21cut00:40:001
159368599150,12cyclictest1646348-21cut20:00:171
159368299159,4cyclictest252-21systemd-journal00:00:040
159368299158,5cyclictest252-21systemd-journal19:25:000
1593682991513,1cyclictest60350irq/132-enp0s29f1:rx-023:36:420
1593682991513,1cyclictest60350irq/132-enp0s29f1:rx-022:22:290
1593682991513,1cyclictest60350irq/132-enp0s29f1:rx-021:35:240
1593682991513,1cyclictest60350irq/132-enp0s29f1:rx-020:30:230
1593682991513,1cyclictest60350irq/132-enp0s29f1:rx-020:00:170
159368299151,2cyclictest16683601kthreadcore20:20:170
1593682991512,2cyclictest60350irq/132-enp0s29f1:rx-021:45:160
1593682991512,2cyclictest60350irq/132-enp0s29f1:rx-019:37:360
1593682991512,2cyclictest1665786-21kworker/u8:0+events_unbound20:40:280
1593682991511,3cyclictest1874633-21kworker/u8:3+flush-259:000:15:180
1593682991511,3cyclictest1708080-21kworker/u8:1+events_unbound21:15:170
1593682991511,3cyclictest1624648-21kworker/u8:1+events_unbound19:45:140
1593682991510,3cyclictest1874633-21kworker/u8:3+flush-259:023:55:190
1593695991412,1cyclictest1843861-21irqcore23:15:143
1593695991411,2cyclictest1734290-21kworker/u8:1+flush-259:021:51:093
1593695991410,2cyclictest1870143-21apt-key23:40:003
159369099149,4cyclictest1645452-21/usr/sbin/munin20:00:152
159369099148,5cyclictest1624648-21kworker/u8:1+flush-259:019:50:212
159369099147,5cyclictest252-21systemd-journal21:40:002
1593690991411,2cyclictest1798000-21tr22:30:152
1593690991410,3cyclictest1874633-21kworker/u8:3+flush-259:000:10:172
1593690991410,3cyclictest1665786-21kworker/u8:0+flush-259:020:20:242
159369099140,13cyclictest1-21systemd21:35:002
159368599144,9cyclictest1761286-21awk21:55:161
159368599143,8cyclictest1739747-21/usr/sbin/munin21:35:121
159368599142,10cyclictest1681906-21apt-get20:35:101
159368599141,11cyclictest1728222-21ntpq21:20:221
159368599141,11cyclictest1655475-21cron20:10:001
159368599141,11cyclictest1640782-21tr19:55:181
159368599141,11cyclictest1640782-21tr19:55:171
159368599141,10cyclictest1729393-21apt-get21:25:121
159368599140,13cyclictest1807400-21expr22:40:111
159368599140,13cyclictest1665356-21sed20:15:261
159368599140,12cyclictest1787597-21irqcore22:20:171
159368599140,12cyclictest1781915-21awk22:15:161
159368599140,12cyclictest1766311-21tune2fs22:00:141
159368599140,12cyclictest1756518-21cut21:50:171
159368599140,12cyclictest1708039-21cron21:05:011
159368599140,12cyclictest1593712-21cut19:09:591
159368599140,11cyclictest252-21systemd-journal19:10:031
159368599140,11cyclictest1713563-21/usr/sbin/munin21:10:141
159368299149,3cyclictest1681664-21kworker/u8:3+flush-259:021:02:080
1593682991413,1cyclictest60350irq/132-enp0s29f1:rx-020:46:400
1593682991413,1cyclictest60350irq/132-enp0s29f1:rx-020:16:320
1593682991412,2cyclictest60350irq/132-enp0s29f1:rx-021:57:040
1593682991412,1cyclictest60350irq/132-enp0s29f1:rx-022:55:160
1593682991412,1cyclictest60350irq/132-enp0s29f1:rx-021:50:150
1593682991411,2cyclictest60350irq/132-enp0s29f1:rx-023:05:120
159369599139,3cyclictest1702263-21kworker/u8:4+flush-259:022:00:003
159369599138,4cyclictest1900313-21ntpq00:05:213
1593695991310,2cyclictest500-21systemd-logind22:45:003
1593695991310,2cyclictest1754971-21unixbench_multi21:45:263
1593695991310,2cyclictest1629319-21unixbench_multi19:40:253
159369099139,3cyclictest1874633-21kworker/u8:3+flush-259:023:55:252
1593690991310,2cyclictest1911805-21cpuspeed_turbos00:20:132
1593690991310,2cyclictest1833161-21cpuspeed_turbos23:05:132
1593690991310,2cyclictest1760161-21unixbench_multi21:50:252
1593690991310,2cyclictest0-21swapper/200:20:002
1593690991310,1cyclictest0-21swapper/223:10:222
159368299138,4cyclictest1588517-21kworker/u8:0+flush-259:019:30:430
159369599129,2cyclictest1593997-21cpuspeed_turbos19:10:133
159369599128,3cyclictest1786678-21apt-get22:20:113
159369599128,3cyclictest1604174-21kworker/u8:1+flush-259:019:20:313
1593695991210,1cyclictest509-21rs:main3
1593695991210,1cyclictest1729533-21tr21:25:133
159369099129,2cyclictest1870462-21apt-get23:40:102
159369099129,2cyclictest1708388-21cpuspeed_turbos21:05:082
159369099129,2cyclictest1685936-21ntp_kernel_pll_20:35:202
159369099129,2cyclictest1664826-21needreboot20:15:202
159369099129,2cyclictest1604619-21irqcore19:20:152
159369099129,2cyclictest0-21swapper/223:40:002
1593690991210,1cyclictest0-21swapper/219:20:002
1593690991210,1cyclictest0-21swapper/200:35:002
159368299129,2cyclictest60350irq/132-enp0s29f1:rx-000:30:020
1593682991210,1cyclictest60350irq/132-enp0s29f1:rx-022:00:110
159369599119,1cyclictest1684209-21kthreadcore20:35:163
159369599119,1cyclictest0-21swapper/323:55:123
159369599118,2cyclictest16870722sleep320:40:153
159369599118,2cyclictest1609447-21cpuspeed_turbos19:25:143
159369599117,3cyclictest252-21systemd-journal20:19:553
159369099118,2cyclictest1823426-21irqcore22:55:172
159369099116,3cyclictest252-21systemd-journal20:09:042
159369099114,5cyclictest507-21in:imuxsock20:30:032
159369599108,1cyclictest0-21swapper/322:15:003
159369599108,1cyclictest0-21swapper/300:25:183
159369599108,1cyclictest0-21swapper/300:25:183
159369599101,7cyclictest1817293-21turbostat.cron22:50:003
159369099100,2cyclictest1880502-21latency_hist23:50:012
15936909995,3cyclictest1698436-21cat20:50:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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