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2026-01-20 - 18:09
[ 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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  TQ-Systems
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 376 highest latencies:
System rack3slot3s.osadl.org (updated Tue Jan 20, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1824436212153,63sleep30-21swapper/307:09:073
182428328066,9sleep10-21swapper/107:07:081
182416727851,19sleep00-21swapper/007:05:380
182449727762,9sleep20-21swapper/207:09:502
18906512290,4sleep0221rcuc/008:10:110
1824645992623,1cyclictest0-21swapper/310:45:223
182464599241,19cyclictest2026908-21taskset10:20:113
1824645992320,1cyclictest0-21swapper/311:00:193
1824645992319,2cyclictest0-21swapper/309:39:593
1824645992219,1cyclictest0-21swapper/309:20:213
1824645992219,1cyclictest0-21swapper/307:40:013
1824645992118,1cyclictest0-21swapper/311:15:213
20955412201,10sleep12095578-21grep11:25:161
182464599202,12cyclictest2042680-21taskset10:35:113
1824645992017,1cyclictest0-21swapper/311:20:143
1824645992017,1cyclictest0-21swapper/308:20:163
1824645992010,7cyclictest1952956-21taskset09:09:423
182464599192,11cyclictest2121517-21taskset11:50:103
182464599192,11cyclictest1826512-21taskset07:10:143
1824645991917,1cyclictest0-21swapper/312:00:163
1824645991916,1cyclictest0-21swapper/310:05:003
182464599191,14cyclictest0-21swapper/307:30:113
182464599185,1cyclictest0-21swapper/312:05:263
1824645991815,1cyclictest0-21swapper/311:40:163
1824645991815,1cyclictest0-21swapper/311:35:153
1824645991815,1cyclictest0-21swapper/309:25:153
1824645991815,1cyclictest0-21swapper/308:55:173
1824645991815,1cyclictest0-21swapper/308:50:163
1824645991815,1cyclictest0-21swapper/308:50:163
182464599181,13cyclictest1995246-21turbostat09:50:003
182464599181,10cyclictest1985054-21taskset09:40:123
182464599180,14cyclictest2000370-21taskset09:53:513
182464599180,14cyclictest0-21swapper/308:49:193
1824645991715,1cyclictest0-21swapper/309:10:173
1824645991714,1cyclictest0-21swapper/310:30:113
1824645991714,1cyclictest0-21swapper/307:50:173
1824645991714,1cyclictest0-21swapper/307:20:243
182464599171,3cyclictest0-21swapper/309:03:183
1824645991713,2cyclictest0-21swapper/312:10:163
182464599171,13cyclictest0-21swapper/307:55:203
182464599171,12cyclictest2105573-21turbostat11:35:013
182464599171,12cyclictest2037177-21turbostat10:30:013
182464599171,12cyclictest2021650-21chrt10:15:113
182464599171,12cyclictest1853595-21taskset07:35:103
182464599171,12cyclictest0-21swapper/311:45:223
182464599171,12cyclictest0-21swapper/308:30:123
182464599170,14cyclictest0-21swapper/310:50:113
19530992161,10sleep01953130-21perf09:10:000
182464599161,9cyclictest2169072-21taskset12:35:073
182464599161,9cyclictest2148064-21taskset12:15:073
182464599161,3cyclictest0-21swapper/312:25:123
1824645991613,1cyclictest0-21swapper/312:30:163
1824645991613,1cyclictest0-21swapper/309:30:153
1824645991611,3cyclictest0-21swapper/310:58:213
182464599161,11cyclictest1890469-21taskset08:10:103
182464599161,11cyclictest0-21swapper/312:20:113
182464599160,13cyclictest0-21swapper/310:10:203
182464599160,13cyclictest0-21swapper/310:05:193
182464599160,13cyclictest0-21swapper/308:25:163
182464599160,13cyclictest0-21swapper/308:07:233
182464599160,12cyclictest0-21swapper/311:25:133
20783692151,9sleep02078431-21sed11:05:280
20536492151,3sleep00-21swapper/010:45:140
20361802151,4sleep12036230-21ntpq10:25:201
182464599151,9cyclictest2131422-21taskset11:56:083
1824645991513,1cyclictest0-21swapper/308:35:163
1824645991512,1cyclictest0-21swapper/309:55:153
1824645991512,1cyclictest0-21swapper/307:15:213
182464599150,13cyclictest0-21swapper/311:05:153
182464599150,13cyclictest0-21swapper/309:15:183
182464599150,12cyclictest0-21swapper/311:10:153
182464599150,12cyclictest0-21swapper/307:45:133
182464599150,12cyclictest0-21swapper/307:45:123
182464599150,12cyclictest0-21swapper/307:25:183
182464599150,11cyclictest0-21swapper/308:15:143
21099442141,9sleep12110068-21/usr/sbin/munin11:35:221
182464599141,8cyclictest1883199-21taskset08:00:163
182464599141,10cyclictest1926806-21sleep08:45:003
20541852131,7sleep12055134-21kthreadcore10:45:161
20374492131,8sleep02037694-21expr10:30:120
20284832131,8sleep02030269-21grep10:20:180
18904472131,6sleep21890466-21apt-get08:10:102
182464599130,11cyclictest0-21swapper/310:40:083
21425532121,5sleep02142602-21munin-run12:10:000
21214952122,4sleep22121514-21apt-get11:50:102
20894792121,6sleep22089508-21munin-run11:19:592
20255872120,1sleep20-21swapper/210:15:192
19955142121,7sleep21995747-21cstates09:50:142
19256902121,5sleep21925778-21ntpq08:40:202
18685522121,7sleep01868574-21mailstats07:45:240
18685522121,7sleep01868574-21mailstats07:45:230
18447712121,7sleep11846575-21grep07:25:161
20887862112,5sleep02088986-21sed11:15:260
20738202111,5sleep12073869-21munin-run11:05:001
20056932111,5sleep22005765-21munin-run10:00:002
20007182111,4sleep12000737-21apt-get09:55:101
18839042111,5sleep01883996-21ntpq08:00:180
18752222111,5sleep21875338-21irqstats07:55:152
18645562111,6sleep21864640-21fschecks_time07:45:132
18645562111,6sleep21864640-21fschecks_time07:45:132
21625852101,3sleep22162641-21ntpq12:25:222
21625362101,4sleep12162577-21ntpq12:25:211
21495282101,4sleep02151297-21tr12:15:170
21468122101,4sleep02146861-21ntpq12:10:200
21454232101,4sleep12146652-21memory12:10:171
21403232101,4sleep22141395-21memory12:05:172
21317262101,5sleep22131883-21cat12:00:002
21308232101,5sleep12130903-21tr11:55:231
21097922101,4sleep22109838-21ntpq11:35:192
21044922101,4sleep12104543-21ntpq11:30:171
20823022101,4sleep12083130-21sed11:10:171
20726662101,5sleep02072807-21ntpq11:00:180
20626712101,4sleep12062918-21users10:50:261
20466172101,4sleep02046659-21ntpq10:35:210
20426582101,4sleep22042677-21apt-get10:35:112
20204042101,4sleep02020458-21ld10:10:200
19957932101,2sleep00-21swapper/009:50:150
19902772101,4sleep11990541-21df_inode09:45:121
19748872101,4sleep11974990-21perl09:30:131
19275882101,4sleep21928149-21cat08:45:132
19009422101,4sleep21901197-21df08:20:122
18852602101,4sleep01885279-21apt-get08:05:100
18800292101,4sleep11880047-21apt-get08:00:111
18734982101,4sleep01873544-21ntpq07:50:200
18581752101,5sleep01858245-40[pango]10:44:260
18416312100,5sleep00-21swapper/007:20:180
18281022101,4sleep01828650-21memory07:10:160
18248272101,4sleep21825088-21df_inode07:10:102
2168522290,1sleep00-21swapper/012:31:170
2167252292,3sleep22167767-21grep12:30:182
2163535291,4sleep02163544-21sh12:30:000
2157693291,3sleep12157910-21users12:20:281
2157236291,4sleep22157293-21ntpq12:20:212
2137563291,3sleep12137818-21df12:05:121
2114982291,4sleep02115039-21ntpq11:40:170
2080571291,4sleep02082301-21tr11:10:160
2067557291,4sleep22067607-21ntpq10:55:192
2067435291,4sleep12067556-21ld10:55:171
2052156291,4sleep22052237-21grep10:40:252
2032672291,4sleep02032767-21cut10:25:150
2015036291,4sleep22015128-21ntpq10:05:172
1995492291,2sleep10-21swapper/109:50:121
1994339291,4sleep21994430-21ps09:45:212
1994232291,4sleep01994281-21ntpq09:45:190
1985313291,4sleep01985466-21expr09:40:130
1953977291,4sleep11955585-21kthreadcore09:10:171
1953366290,3sleep01953385-21apt-get09:10:120
1952999291,4sleep11953003-21apt-get09:09:441
1948270291,4sleep21948444-21expr09:05:132
1937809291,4sleep11937973-21/usr/sbin/munin08:55:131
1932295291,4sleep21932539-21cat08:50:102
1932295291,4sleep21932539-21cat08:50:102
1923382291,4sleep01925164-21grep08:40:170
1921521291,4sleep21921729-21latency_hist08:40:002
1895658291,3sleep21895677-21apt-get08:15:102
1894531291,4sleep11894659-21readlink08:10:211
1888147291,4sleep21889045-21missed_timers08:05:172
1878797291,4sleep01878851-21ntpq07:55:200
1871051291,4sleep11872813-21grep07:50:171
1853865291,4sleep11854234-21grep07:35:141
1830472291,4sleep11831455-21grep07:15:011
1829811291,4sleep01830471-21irqstats07:15:010
1829238291,3sleep11829440-21users07:10:251
2170422281,3sleep22171143-21kthreadcore12:35:152
2169635281,3sleep12170421-21grep12:35:141
2169074281,4sleep01830092-21munin-node12:35:090
2152805280,1sleep20-21swapper/212:17:002
2148353281,3sleep12148477-21perl12:15:141
2132580281,3sleep22133904-21kthreadcore12:00:162
2116286280,3sleep12116305-21apt-get11:45:121
2074582281,2sleep22074656-21irqstats11:05:172
2058383281,3sleep02058599-21diskstats10:50:120
2047869281,2sleep02047888-21apt-get10:40:100
2042303280,1sleep20-21swapper/210:33:472
2037695280,1sleep10-21swapper/110:30:131
2031872280,1sleep20-21swapper/210:24:322
1979812280,2sleep20-21swapper/209:35:112
1974193280,1sleep00-21swapper/009:28:080
1972437281,3sleep11973217-21cat09:25:161
1969820280,1sleep20-21swapper/209:25:132
1962895280,3sleep2421rcuc/209:15:182
1946927280,1sleep20-21swapper/209:00:242
1944504281,3sleep01946300-21cut09:00:180
1939253281,3sleep00-21swapper/008:55:160
1932273280,2sleep10-21swapper/108:50:091
1932273280,2sleep10-21swapper/108:50:091
1931426281,3sleep11931643-21users08:45:241
1921386280,1sleep00-21swapper/008:38:180
1906153281,2sleep10-21swapper/108:25:121
1889970281,4sleep11889971-21sshd08:07:161
1884903280,1sleep20-21swapper/208:03:492
1878858281,3sleep11878941-21ps07:55:221
1863063280,3sleep21863116-21ntpq07:40:202
1863011281,3sleep11863060-21ntpq07:40:191
1859554281,3sleep01860965-21grep07:40:140
1849378281,3sleep0221rcuc/007:30:160
1843467281,3sleep01844770-21kthreadcore07:25:150
2165484271,2sleep10-21swapper/112:30:171
2147478270,1sleep20-21swapper/212:10:462
2126681270,4sleep00-21swapper/011:55:010
2120959271,3sleep02831240-21snmpd11:46:280
2115951270,1sleep20-21swapper/211:44:052
2105290270,1sleep00-21swapper/011:31:490
2101090271,2sleep20-21swapper/211:30:142
2094033270,2sleep22094081-21ntpq11:20:202
2090037270,2sleep10-21swapper/111:20:111
2090007271,2sleep02089492-21apt-get11:20:020
2067882270,3sleep02068143-21unixbench_multi10:55:250
2063208270,1sleep20-21swapper/210:54:032
2046901271,2sleep10-21swapper/110:35:271
2026890270,1sleep10-21swapper/110:20:111
2020213270,1sleep20-21swapper/210:10:172
2015970270,1sleep10-21swapper/110:07:531
2012629270,3sleep0221rcuc/010:05:150
2010833270,1sleep00-21swapper/010:03:310
2005977270,2sleep10-21swapper/110:00:101
2004823271,3sleep02000719-21/usr/sbin/munin09:55:210
1968964271,1sleep10-21swapper/109:23:121
1964138270,2sleep00-21swapper/009:20:100
1963850270,1sleep00-21swapper/009:19:580
1958886270,2sleep10-21swapper/109:15:101
1926526270,1sleep10-21swapper/108:41:481
1916053270,1sleep20-21swapper/208:31:232
1915184270,2sleep01915294-21strings08:30:200
1906722271,2sleep21907770-21kthreadcore08:25:172
1901469271,3sleep10-21swapper/108:20:151
1895400270,1sleep00-21swapper/008:15:010
1874345270,1sleep20-21swapper/207:52:592
1865428271,3sleep11867145-21kthreadcore07:45:161
1865428271,3sleep11867145-21kthreadcore07:45:161
1858256271,2sleep20-21swapper/207:38:192
1852851270,1sleep20-21swapper/207:32:232
1842304270,1sleep20-21swapper/207:20:492
2135962261,2sleep10-21swapper/112:00:181
2135728260,2sleep02135956-21strings12:00:180
2115041260,2sleep10-21swapper/111:40:191
2096095261,2sleep00-21swapper/011:25:190
2084850261,2sleep10-21swapper/111:15:141
2084169260,4sleep20-21swapper/211:13:472
2069992261,2sleep20-21swapper/211:00:162
2057877260,1sleep20-21swapper/210:47:462
2051850261,2sleep12051902-21/usr/sbin/munin10:40:191
2031909260,1sleep20-21swapper/210:25:012
2026450260,2sleep00-21swapper/010:18:020
2016180260,3sleep10-21swapper/110:10:011
2010757260,4sleep20-21swapper/210:02:332
1985595260,3sleep21986649-21cut09:40:162
1983875260,3sleep10-21swapper/109:35:221
1975902261,2sleep01977654-21kthreadcore09:30:160
1947418260,1sleep10-21swapper/109:01:121
1942341260,1sleep20-21swapper/208:58:122
1936982260,1sleep00-21swapper/008:51:290
1936982260,1sleep00-21swapper/008:51:280
1931656260,1sleep00-21swapper/008:45:280
1921294260,1sleep10-21swapper/108:37:071
1915300260,1sleep10-21swapper/108:30:211
1910995260,1sleep00-21swapper/008:28:400
1905734260,4sleep00-21swapper/008:23:030
1900351260,1sleep10-21swapper/108:16:261
1846576260,2sleep21846796-21strings07:25:162
1838972261,2sleep10-21swapper/107:20:151
1832873261,2sleep20-21swapper/207:15:142
2157972250,3sleep00-21swapper/012:21:070
2125310250,1sleep10-21swapper/111:50:171
2120943250,1sleep20-21swapper/211:46:182
2110127250,1sleep00-21swapper/011:35:260
2099979250,3sleep20-21swapper/211:26:262
2078170250,2sleep10-21swapper/111:05:231
2025985251,1sleep10-21swapper/110:15:271
1989539250,1sleep10-21swapper/109:40:281
1968164251,1sleep20-21swapper/209:20:202
1958022250,1sleep20-21swapper/209:10:512
1851111250,1sleep10-21swapper/107:30:171
2121236240,1sleep00-21swapper/011:49:590
1980032240,1sleep00-21swapper/009:35:130
1974602240,1sleep20-21swapper/209:30:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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