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2026-02-27 - 15:05
[ 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 #c, slot #7

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 rackcslot7s.osadl.org (updated Fri Feb 27, 2026 12:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
208156799512503,6cyclictest2159677-21turbostat10:50:003
208156299512503,6cyclictest2081444-21turbostat07:14:552
208156799507499,5cyclictest2083219-21turbostat07:15:003
208156799502495,4cyclictest2157936-21turbostat10:45:003
208156799474446,24cyclictest2133114-21turbostat09:35:003
208156799463454,6cyclictest2092421-21turbostat07:44:553
208156799462453,6cyclictest2097610-21turbostat07:55:003
208156799462446,13cyclictest2102787-21turbostat08:10:003
208156299460452,5cyclictest2189504-21turbostat12:19:562
208156199460453,4cyclictest2088900-21turbostat07:34:551
208156799458450,5cyclictest2099338-21turbostat08:00:003
208156799455446,6cyclictest2166602-21turbostat11:10:003
208155399455448,4cyclictest2129638-21turbostat09:29:550
208155399455448,4cyclictest2129638-21turbostat09:29:550
208156799454447,4cyclictest2126179-21turbostat09:15:003
208156799454434,17cyclictest2151020-21turbostat10:25:003
208155399453446,4cyclictest2094150-21turbostat07:49:550
208156799451443,5cyclictest2138291-21turbostat09:50:003
208156199451444,4cyclictest2151020-21turbostat10:29:551
208155399450443,4cyclictest2120675-21turbostat09:04:550
208155399450443,4cyclictest2120675-21turbostat09:04:550
208156799449425,6cyclictest2111716-21turbostat08:35:003
208156199448426,19cyclictest2109988-21turbostat08:34:551
208156799446439,4cyclictest2163140-21turbostat11:00:003
208156799446439,4cyclictest2143491-21turbostat10:05:003
208156799446438,5cyclictest2101074-21turbostat08:05:003
208156299445425,17cyclictest2124146-21turbostat09:14:552
208156199445435,6cyclictest2196424-21turbostat12:39:551
208156799441432,6cyclictest2173518-21turbostat11:30:003
208156799439430,6cyclictest2106513-21turbostat08:20:003
208156799439430,6cyclictest2106513-21turbostat08:20:003
208156799437417,17cyclictest2194686-21turbostat12:30:003
208156299437430,4cyclictest2099338-21turbostat08:04:552
208156199437429,5cyclictest2191228-21turbostat12:24:551
208156799435428,4cyclictest2152748-21turbostat10:30:013
208156299435426,6cyclictest2156211-21turbostat10:44:552
208156199435428,4cyclictest2187766-21turbostat12:14:551
208156199435427,5cyclictest2192959-21turbostat12:29:551
208156799433389,19cyclictest2124146-21turbostat09:10:003
208155399433426,4cyclictest2111716-21turbostat08:39:550
208156799432425,4cyclictest2106513-21turbostat08:24:553
208156199432425,4cyclictest2097610-21turbostat07:59:551
208156799431423,5cyclictest2177021-21turbostat11:44:553
208156199431422,6cyclictest2170060-21turbostat11:24:551
208156299429422,4cyclictest2183997-21turbostat12:04:552
208156799427420,4cyclictest2182233-21turbostat11:55:003
208156799427420,4cyclictest2182233-21turbostat11:55:003
208155399426419,4cyclictest2134833-21turbostat09:44:550
208156799425417,5cyclictest2095880-21turbostat07:50:003
208156799425415,6cyclictest2134833-21turbostat09:40:003
208156299425416,6cyclictest2194686-21turbostat12:34:552
208156799424417,4cyclictest2154486-21turbostat10:35:003
208156799424415,6cyclictest2149287-21turbostat10:20:003
208156799423416,4cyclictest2191228-21turbostat12:20:003
208156199421414,4cyclictest2087173-21turbostat07:29:551
208156799418410,5cyclictest2164866-21turbostat11:05:003
208156799418410,5cyclictest2164866-21turbostat11:05:003
208156799418409,6cyclictest2127915-21turbostat09:20:013
208156299417393,20cyclictest2122412-21turbostat09:09:562
208156199414405,6cyclictest2163140-21turbostat11:04:551
208156199414405,6cyclictest2163140-21turbostat11:04:551
208155399414406,5cyclictest2131370-21turbostat09:34:550
208156799412405,4cyclictest2113451-21turbostat08:40:003
208156799412403,6cyclictest2198149-21turbostat12:40:013
208156799411401,7cyclictest2175294-21turbostat11:35:003
208156799409387,5cyclictest2109988-21turbostat08:30:003
208156199409400,6cyclictest2159677-21turbostat10:54:551
208156799406399,4cyclictest2171798-21turbostat11:25:003
208156299405397,5cyclictest2168332-21turbostat11:19:552
208156799403396,4cyclictest2161394-21turbostat10:55:003
208156299402394,5cyclictest2102787-21turbostat08:14:552
208156799401393,5cyclictest2187766-21turbostat12:10:003
208156799399392,4cyclictest2192959-21turbostat12:25:003
208156799396389,4cyclictest2147253-21turbostat10:15:003
208156799396389,4cyclictest2147253-21turbostat10:15:003
208156799396389,4cyclictest2104796-21turbostat08:15:003
208156799396388,5cyclictest2117219-21turbostat08:50:003
208156299396389,4cyclictest2136567-21turbostat09:49:552
208156199391384,4cyclictest2141757-21turbostat10:04:551
208156799390370,17cyclictest2092421-21turbostat07:40:003
208156299389382,4cyclictest2083219-21turbostat07:19:552
208156799386378,5cyclictest2180486-21turbostat11:50:003
208156799386378,5cyclictest2090623-21turbostat07:35:003
208156299386379,4cyclictest2090623-21turbostat07:39:552
208156199386379,4cyclictest2149287-21turbostat10:24:551
208156199386377,6cyclictest2173518-21turbostat11:34:551
208155399382356,23cyclictest2118947-21turbostat08:59:550
208156299381375,3cyclictest2186039-21turbostat12:09:552
208156299381374,4cyclictest2175294-21turbostat11:39:552
208156299378372,3cyclictest2147253-21turbostat10:19:552
208156299378371,4cyclictest2143491-21turbostat10:09:552
208156299376369,4cyclictest2166602-21turbostat11:14:552
208156299371364,4cyclictest2126179-21turbostat09:19:552
208156299371362,6cyclictest2117219-21turbostat08:54:552
208156299363357,4cyclictest2161394-21turbostat10:59:552
208156799360353,4cyclictest2156211-21turbostat10:40:003
208156799360353,4cyclictest2156211-21turbostat10:40:003
208156299359351,5cyclictest2182233-21turbostat11:59:552
208155399358352,3cyclictest2113451-21turbostat08:44:550
208155399358351,4cyclictest2164866-21turbostat11:09:550
208156799355349,3cyclictest2118947-21turbostat08:55:003
208155399355347,5cyclictest2127915-21turbostat09:24:550
208155399352345,4cyclictest2108251-21turbostat08:29:550
208156799347340,4cyclictest2088900-21turbostat07:30:003
208156799346340,3cyclictest2186039-21turbostat12:05:003
208156199344337,4cyclictest2095880-21turbostat07:54:551
208156299341333,5cyclictest2115480-21turbostat08:49:552
208155399341330,8cyclictest2101074-21turbostat08:09:550
208156799334328,3cyclictest2189504-21turbostat12:15:013
208156799330324,3cyclictest2129638-21turbostat09:25:003
208156199328320,5cyclictest2085438-21turbostat07:24:561
208156299327321,3cyclictest2140032-21turbostat09:59:552
208155399327320,4cyclictest2157936-21turbostat10:49:550
208156799326319,4cyclictest2138291-21turbostat09:54:553
208156799326319,4cyclictest2138291-21turbostat09:54:553
208156799325318,4cyclictest2168332-21turbostat11:15:003
208156799323315,5cyclictest2196424-21turbostat12:35:003
208156299323316,4cyclictest2178755-21turbostat11:49:552
208155399319312,4cyclictest2180486-21turbostat11:54:550
208155399319312,4cyclictest2180486-21turbostat11:54:550
208091022850,6sleep30-21swapper/307:05:253
208156799276243,28cyclictest2177021-21turbostat11:40:003
208156799258243,11cyclictest2183997-21turbostat12:00:003
208156799256242,10cyclictest2136567-21turbostat09:45:003
208156799251237,10cyclictest2131370-21turbostat09:30:003
208156799251237,10cyclictest2131370-21turbostat09:30:003
208156799232225,4cyclictest2120675-21turbostat09:00:003
208156799217191,22cyclictest2141757-21turbostat10:00:003
208156799205190,11cyclictest2145523-21turbostat10:10:013
208156799135123,8cyclictest2087173-21turbostat07:25:003
208156799119106,9cyclictest2170060-21turbostat11:20:003
2081352210976,23sleep20-21swapper/207:09:152
2081111210775,23sleep10-21swapper/107:06:091
2081094210672,24sleep00-21swapper/007:05:560
209319821050,8sleep10-21swapper/107:40:201
216660921020,8sleep12166586-21perf11:10:001
20815619910290,9cyclictest2154486-21turbostat10:39:551
20815619910290,9cyclictest2154486-21turbostat10:39:551
20815679910088,8cyclictest2115480-21turbostat08:45:003
20815619910089,8cyclictest2104796-21turbostat08:19:551
20815619910089,8cyclictest2104796-21turbostat08:19:551
21393292980,4sleep2311irq_work/209:50:242
21393292980,4sleep2311irq_work/209:50:242
2081567999891,4cyclictest2085438-21turbostat07:20:003
2081567999786,8cyclictest2122412-21turbostat09:05:013
2081567999786,8cyclictest2122412-21turbostat09:05:013
2081561999790,4cyclictest2171798-21turbostat11:29:551
208156199781,57cyclictest2125903-21seq09:11:431
208156199771,56cyclictest2191118-21seq12:18:531
208156199731,48cyclictest2136267-21seq09:41:251
208156199731,36cyclictest2184815-21ls12:00:141
197399710,5rtkit-daemon0-21swapper/207:29:562
208156199691,39cyclictest2181900-21seq11:51:121
208156199691,39cyclictest2181900-21seq11:51:121
208156199671,40cyclictest2168354-21systemd11:15:011
208156199661,38cyclictest2124112-21seq09:09:511
208156199651,38cyclictest2082857-21seq07:10:371
208156199641,38cyclictest2115419-21seq08:44:261
208156199641,38cyclictest2102642-21seq08:08:161
208156199641,37cyclictest2154211-21runrttasks10:31:481
208156199632,36cyclictest2134773-21runrttasks09:39:281
208156199631,37cyclictest2126409-21seq09:15:051
208156199622,35cyclictest2106754-21seq08:20:071
208156199621,41cyclictest1137-21runrttasks12:07:231
208156199621,37cyclictest2139898-21seq09:53:361
208156199621,37cyclictest2139898-21seq09:53:361
208156199621,34cyclictest2120422-21seq08:57:021
208156199621,32cyclictest2257-21gsd-housekeepin11:48:421
208156199621,29cyclictest2195620-21needreboot12:30:191
208156199612,35cyclictest2159384-21seq10:46:331
208156199612,35cyclictest2133043-21taskset09:34:281
208156199612,33cyclictest2122242-21seq09:03:011
208156199612,33cyclictest2122242-21seq09:03:011
208156199611,33cyclictest2149087-21seq10:17:431
208156199611,33cyclictest2138226-21seq09:49:221
208156199611,32cyclictest2092289-21seq07:38:341
208156199602,32cyclictest2176713-21seq11:36:151
208156199602,32cyclictest2145410-21taskset10:08:531
208156199601,36cyclictest2085244-21taskset07:17:441
208156199601,35cyclictest2146971-21seq10:11:391
208156199601,35cyclictest2146971-21seq10:11:391
208156199601,34cyclictest2131344-21seq09:29:541
208156199601,34cyclictest2131344-21seq09:29:541
208156199601,34cyclictest2129296-21taskset09:20:461
208156199601,32cyclictest2162967-21seq10:58:081
208156199591,34cyclictest2158026-21sed10:45:011
208156199591,32cyclictest2178457-21seq11:41:261
208156199591,32cyclictest2095566-21seq07:46:161
208156199591,31cyclictest2170018-21seq11:19:451
208156199591,30cyclictest2116846-21seq08:45:311
208156199581,32cyclictest2183828-21seq11:58:041
208156199581,30cyclictest2113290-21seq08:38:181
208156199571,31cyclictest2100713-21seq08:00:391
208156199571,30cyclictest2109940-21taskset08:29:441
208156199561,31cyclictest2104190-21seq08:10:541
208156199541,32cyclictest2257-21gsd-housekeepin09:56:421
208156199541,30cyclictest2118714-21seq08:52:191
208155399520,49cyclictest1972-21rtkit-daemon12:16:330
2081562994913,19cyclictest34-21ksoftirqd/211:30:222
2081562994711,19cyclictest34-21ksoftirqd/211:05:582
2081562994622,9cyclictest34-21ksoftirqd/210:15:002
2081562994622,9cyclictest34-21ksoftirqd/210:15:002
208156299458,8cyclictest34-21ksoftirqd/211:21:592
208156299444,8cyclictest34-21ksoftirqd/209:00:002
2081562994414,16cyclictest34-21ksoftirqd/207:58:492
2081553994428,12cyclictest2143483-21apt-get10:05:000
197399440,24rtkit-daemon4497-21PK-Backend10:37:372
197399440,24rtkit-daemon4497-21PK-Backend10:37:372
208156299431,23cyclictest2122401-21cron09:05:002
208156299431,23cyclictest2122401-21cron09:05:002
2081562994220,8cyclictest34-21ksoftirqd/210:50:182
2081562994219,9cyclictest34-21ksoftirqd/210:28:292
197399420,28rtkit-daemon2150424-21smartctl10:20:272
208156299418,9cyclictest34-21ksoftirqd/212:14:452
208156299417,19cyclictest34-21ksoftirqd/210:49:372
2081562994113,15cyclictest34-21ksoftirqd/212:27:372
2081562994113,10cyclictest34-21ksoftirqd/208:25:002
208155399418,10cyclictest13-21ksoftirqd/011:30:250
2081553994123,6cyclictest13-21ksoftirqd/009:45:140
2081553994121,16cyclictest2092436-21idleruntime-cro07:40:000
20843492400,4chrt0-21swapper/007:15:160
2081562994018,9cyclictest34-21ksoftirqd/207:44:552
2081562994014,8cyclictest34-21ksoftirqd/210:31:102
2081562994014,8cyclictest34-21ksoftirqd/209:41:202
2081553994023,13cyclictest2125753-21users09:10:300
2081553994022,13cyclictest438-20systemd-journal12:20:300
2081553994021,14cyclictest13-21ksoftirqd/010:30:100
197399400,28rtkit-daemon4497-21PK-Backend09:25:122
197399400,28rtkit-daemon4497-21PK-Backend09:25:122
208156299397,16cyclictest34-21ksoftirqd/208:43:232
208156299396,9cyclictest34-21ksoftirqd/207:47:512
2081562993915,6cyclictest141rcu_preempt11:43:342
208155399392,9cyclictest937-21polkitd11:56:460
2081553993928,7cyclictest2148575-21wc10:15:260
2081553993922,5cyclictest13-21ksoftirqd/012:40:010
2081553993922,13cyclictest13-21ksoftirqd/008:33:040
197399390,27rtkit-daemon0-21swapper/208:16:362
197399390,27rtkit-daemon0-21swapper/208:16:362
21787372380,7sleep00-21swapper/011:45:000
208156299387,16cyclictest34-21ksoftirqd/209:20:202
2081562993813,6cyclictest141rcu_preempt09:39:192
208156299381,21cyclictest2111383-21taskset08:31:002
208156299381,18cyclictest34-21ksoftirqd/211:50:132
208156299381,18cyclictest34-21ksoftirqd/211:50:132
208156299381,18cyclictest2172033-21sort11:25:112
2081562993810,9cyclictest34-21ksoftirqd/208:38:502
2081553993822,5cyclictest13-21ksoftirqd/010:27:200
2081553993816,9cyclictest13-21ksoftirqd/011:10:180
2081562993723,10cyclictest2192941-21cron12:25:002
208156299371,18cyclictest2142397-21/usr/sbin/munin10:00:162
208156299371,17cyclictest2086079-21taskset07:20:152
2081553993727,6cyclictest2186039-21turbostat12:05:000
2081553993721,12cyclictest2162062-21fw_packets10:55:180
2081553993720,12cyclictest438-20systemd-journal12:30:000
2081553993720,12cyclictest438-20systemd-journal07:42:300
2081553993720,12cyclictest2180115-21sshd11:45:300
2081553993719,6cyclictest2104785-21sh08:15:000
2081553993714,9cyclictest13-21ksoftirqd/011:35:120
208155399371,32cyclictest2189504-21turbostat12:15:010
197399370,25rtkit-daemon0-21swapper/208:28:552
20878312361,4sleep00-21swapper/007:25:190
208156299365,11cyclictest34-21ksoftirqd/207:55:002
208156299364,13cyclictest0-21swapper/209:31:282
2081553993621,11cyclictest2145760-21find10:10:100
2081553993621,11cyclictest2145760-21find10:10:100
2081553993619,5cyclictest13-21ksoftirqd/010:55:020
2081553993619,5cyclictest13-21ksoftirqd/010:05:280
2081553993619,13cyclictest13-21ksoftirqd/012:34:420
2081553993619,12cyclictest438-20systemd-journal11:00:300
2081553993619,12cyclictest438-20systemd-journal11:00:300
2081553993619,12cyclictest438-20systemd-journal07:59:550
2081562993511,10cyclictest141rcu_preempt07:30:112
2081553993525,6cyclictest2149524-21/usr/sbin/munin10:20:220
2081553993525,6cyclictest2118576-21sshd08:50:300
2081553993520,11cyclictest2107358-21sed08:20:210
2081553993520,11cyclictest1-21systemd07:25:010
2081562993422,8cyclictest2101463-21tr08:05:132
208156299341,30cyclictest4497-21PK-Backend12:40:022
2081553993425,5cyclictest2126416-21/usr/sbin/munin09:15:160
2081553993424,6cyclictest2115721-21/usr/sbin/munin08:45:150
2081562993318,10cyclictest2163906-21cut11:00:202
2081562993318,10cyclictest2163906-21cut11:00:202
2081553993323,6cyclictest2083219-21turbostat07:15:000
2081553993323,6cyclictest13-21ksoftirqd/011:25:120
2081553993322,6cyclictest13-21ksoftirqd/011:20:000
2081553993322,6cyclictest13-21ksoftirqd/008:15:120
2081553993322,6cyclictest13-21ksoftirqd/008:15:110
2081553993322,6cyclictest13-21ksoftirqd/007:50:120
2081553993320,9cyclictest13-21ksoftirqd/010:40:130
2081553993320,9cyclictest13-21ksoftirqd/009:10:010
208155399331,8cyclictest4497-21PK-Backend10:36:560
208155399331,8cyclictest4497-21PK-Backend10:36:560
2081553993318,11cyclictest2187362-21sed12:05:280
2081553993317,12cyclictest2140291-21apt09:55:120
2081553993315,13cyclictest2089677-21cut07:30:190
208155399331,17cyclictest2171173-21ps11:20:250
2081553993222,7cyclictest2099601-21apt08:00:110
2081553993221,6cyclictest13-21ksoftirqd/009:54:090
2081553993221,6cyclictest13-21ksoftirqd/009:54:090
208155399291,23cyclictest4497-21PK-Backend09:35:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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