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2026-01-22 - 19:53
[ 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 Thu Jan 22, 2026 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
232102921200,3sleep30-21swapper/323:55:233
225879721070,7sleep14497-21PK-Backend21:00:151
1973991010,81rtkit-daemon0-21swapper/119:05:261
22284372810,11sleep3411rcuc/319:30:293
221931627940,13sleep30-21swapper/319:05:413
221962126445,13sleep00-21swapper/019:09:360
2219783996319,26cyclictest2250651-21taskset20:35:240
2219783996310,11cyclictest2252118-21irqstats20:40:200
221950826243,13sleep20-21swapper/219:08:082
2219783996117,22cyclictest2241401-21cpuspeed_turbos20:10:140
2219783996117,21cyclictest2279100-21/usr/sbin/munin21:55:270
2219783995911,25cyclictest2300046-21cat22:55:190
2219783995810,25cyclictest2238894-21chrt20:00:340
2219783995610,27cyclictest2290547-21cstates22:30:130
22647982550,6chrt4497-21PK-Backend21:15:231
2219783995511,25cyclictest2270252-21ntp_states21:30:230
221979199548,27cyclictest2318611-21find23:50:102
2219783995414,15cyclictest2298363-21uname22:50:200
2219783995413,16cyclictest2255495-21hddtemp_smartct20:50:170
2219783995411,20cyclictest2322860-21ntp_states00:00:220
2219787995319,11cyclictest2289326-21ntp_kernel_pll_22:25:221
2219787995312,13cyclictest2287955-21cat22:20:291
2219783995310,26cyclictest2307166-21cat23:15:220
2219783995310,15cyclictest2248071-21latency_hist20:30:010
23064772520,27sleep30-21swapper/323:15:013
2219791995229,9cyclictest34-21ksoftirqd/221:53:022
2219787995214,11cyclictest2280166-21cstates22:00:141
2219787995213,13cyclictest2281881-21cstates22:05:131
22886592510,7sleep34497-21PK-Backend22:25:123
22327672510,7chrt4497-21PK-Backend19:45:121
2219787995119,12cyclictest2307579-21sed23:15:311
221978799511,6cyclictest2254846-21basename20:49:591
2219783995118,29cyclictest2235320-21cat19:50:280
2219783995118,28cyclictest2231742-21python319:40:270
2219787995020,7cyclictest1137-21runrttasks00:20:131
2219787995014,12cyclictest2221658-21cat19:15:021
2219783995016,29cyclictest2321074-21awk23:55:230
2219783995010,17cyclictest2308543-21cat23:20:140
22361552490,8sleep3421ksoftirqd/319:55:123
2219791994917,29cyclictest34-21ksoftirqd/222:20:012
2219791994917,29cyclictest34-21ksoftirqd/222:20:012
2219787994913,12cyclictest2251061-21seq20:36:151
2219787994913,11cyclictest2319059-21basename23:50:171
2219783994912,32cyclictest2314239-21proc_pri23:35:250
2219783994910,17cyclictest2303383-21expr23:05:130
22464212480,8sleep342-21ksoftirqd/320:25:103
2219787994817,10cyclictest2284014-21ls22:10:201
2219787994813,11cyclictest2231269-21hddtemp_smartct19:40:161
2219783994818,26cyclictest2280699-21ntp_states22:00:240
221978399481,34cyclictest0-21swapper/022:23:030
2219783994810,16cyclictest2277343-21python321:50:260
2219787994715,10cyclictest2286604-21cron22:20:001
2219787994715,10cyclictest2286604-21cron22:19:591
221978399476,15cyclictest2283418-21apt22:10:110
2219783994710,15cyclictest2323840-21awk00:05:110
2219787994611,7cyclictest0-21swapper/123:40:021
221978399468,16cyclictest2330775-21apt00:25:080
2219783994617,25cyclictest2293845-21munin-run22:40:010
2219783994615,27cyclictest2302262-21cat23:00:280
2219783994614,27cyclictest2326098-21latency00:10:210
2219783994614,27cyclictest2326098-21latency00:10:210
2219787994517,7cyclictest4497-21PK-Backend23:56:571
221978399458,15cyclictest1-21systemd20:50:010
2219783994516,24cyclictest2233221-21grep19:45:220
2219783994515,26cyclictest2288940-21cstates22:25:140
2219783994515,25cyclictest2285411-21expr22:15:130
2219783994515,25cyclictest2285411-21expr22:15:130
2219787994415,8cyclictest2316953-21cpu23:45:131
221978399443,21cyclictest0-21swapper/021:20:470
2219783994419,20cyclictest2329914-21python300:20:270
2219783994418,21cyclictest2243687-21/usr/sbin/munin20:15:230
2219783994416,24cyclictest2239679-21cpuspeed_turbos20:05:140
2219783994416,23cyclictest438-20systemd-journal19:40:010
2219783994410,11cyclictest2260362-21cat21:05:010
22243122430,8sleep20-21swapper/219:20:152
221979199431,16cyclictest23328322cstates00:30:112
2219783994315,23cyclictest2310042-21ls23:25:140
2219783994314,24cyclictest2316194-21timerwakeupswit23:40:300
2219783994314,24cyclictest2276384-21latency_hist21:50:020
2219783994312,28cyclictest2320180-21latency_hist23:55:010
2219783994310,27cyclictest2236231-21expr19:55:130
2219793994224,13cyclictest438-20systemd-journal20:55:003
2219783994218,20cyclictest2273887-21python321:40:290
2219783994218,19cyclictest2224696-21ntp_states19:20:250
2219783994216,22cyclictest2262064-21munin-run21:10:010
2219783994214,25cyclictest2258151-21taskset20:58:240
23086262410,7sleep10-21swapper/123:20:151
2219793994119,17cyclictest42-21ksoftirqd/300:20:253
221979199413,20cyclictest34-21ksoftirqd/220:25:002
221978799416,22cyclictest2243609-21sed20:15:201
2219787994117,8cyclictest2315148-21/usr/sbin/munin23:40:221
2219783994117,19cyclictest2245458-21ntp_states20:20:230
2219783994117,19cyclictest2226025-21cstates19:25:130
2219783994116,21cyclictest1-21systemd22:50:010
2219783994115,22cyclictest2228937-21date19:35:020
2219783994114,23cyclictest2327519-21cstates00:15:130
2219783994113,24cyclictest0-21swapper/022:10:030
2219783994113,23cyclictest2304775-21acpi23:10:110
221979399409,26cyclictest2334295-21sort00:35:153
2219791994025,11cyclictest2268966-21cron21:30:002
2219791994024,12cyclictest2247920-21munin-run20:30:012
221979199401,21cyclictest34-21ksoftirqd/219:15:272
221978399408,30cyclictest0-21swapper/000:33:070
2219783994017,19cyclictest2317487-21memory23:45:220
2219783994015,21cyclictest2248583-21taskset20:30:180
22584912390,6chrt4497-21PK-Backend21:00:031
2219793993923,13cyclictest2303446-21/usr/sbin/munin23:05:173
221979399392,25cyclictest4497-21PK-Backend00:15:123
221979199392,20cyclictest34-21ksoftirqd/221:39:592
221978399399,9cyclictest2264421-21df21:15:150
221978399392,13cyclictest2262856-21sed21:10:190
2219783993917,17cyclictest2222115-21memory19:15:060
2219783993912,23cyclictest23120922sleep023:30:160
197399390,26rtkit-daemon4497-21PK-Backend23:08:101
221979399386,7cyclictest141rcu_preempt22:38:313
221979399385,7cyclictest141rcu_preempt21:17:063
221979399385,5cyclictest141rcu_preempt23:00:013
2219793993813,6cyclictest4497-21PK-Backend23:45:253
2219793993813,22cyclictest2311904-21cpuspeed_turbos23:30:133
221979199382,20cyclictest34-21ksoftirqd/223:00:002
2219791993821,13cyclictest976-21rs:main2
2219791993821,13cyclictest34-21ksoftirqd/219:45:112
221979199381,20cyclictest2237501-21chrt19:59:552
2219787993820,13cyclictest2325940-21df00:10:151
2219787993820,13cyclictest2325940-21df00:10:141
221978799381,32cyclictest2238538-21ntpq20:00:241
221978399386,28cyclictest0-21swapper/000:35:130
2219783993818,16cyclictest1-21systemd19:15:010
23342422370,7sleep14497-21PK-Backend00:35:121
221979399377,25cyclictest2265779-21cat21:20:103
221979399376,5cyclictest141rcu_preempt21:40:013
2219793993722,11cyclictest42-21ksoftirqd/323:50:273
2219793993717,8cyclictest141rcu_preempt22:40:123
2219793993716,8cyclictest141rcu_preempt20:35:003
2219793993710,8cyclictest0-21swapper/300:30:113
2219791993727,6cyclictest34-21ksoftirqd/221:45:242
2219791993720,12cyclictest438-20systemd-journal21:56:282
2219791993720,12cyclictest438-20systemd-journal00:25:012
221979199371,16cyclictest2235826-21systemd19:55:012
221979199371,15cyclictest2322925-21uname00:00:262
221979199371,14cyclictest2273888-21sshd21:40:282
221979199371,13cyclictest4497-21PK-Backend20:40:002
2219787993726,7cyclictest2239581-21cpuspeed20:05:131
2219787993723,10cyclictest26-21ksoftirqd/120:40:171
2219783993718,15cyclictest2295538-40lsb_release22:41:040
2219783993718,15cyclictest2272748-21ls21:40:000
22838202360,6chrt4497-21PK-Backend22:10:182
221979399362,7cyclictest2263189-21python321:10:263
2219793993623,9cyclictest42-21ksoftirqd/321:05:263
2219793993622,7cyclictest2281038-21users22:00:283
2219793993622,11cyclictest42-21ksoftirqd/321:25:203
2219793993620,11cyclictest2292074-21rm22:35:033
2219793993619,13cyclictest2296721-21memory22:45:203
2219793993617,7cyclictest141rcu_preempt19:20:003
2219793993616,7cyclictest141rcu_preempt22:15:213
2219793993616,7cyclictest141rcu_preempt22:15:203
2219793993616,7cyclictest141rcu_preempt20:45:233
2219793993616,7cyclictest141rcu_preempt20:00:273
2219793993616,7cyclictest141rcu_preempt00:00:273
2219793993615,8cyclictest141rcu_preempt20:20:003
2219793993614,8cyclictest141rcu_preempt21:00:003
2219793993614,19cyclictest4497-21PK-Backend22:22:213
2219791993623,6cyclictest34-21ksoftirqd/200:19:492
2219791993619,13cyclictest2257402-21sed20:55:212
2219791993615,6cyclictest141rcu_preempt22:05:252
2219791993614,6cyclictest141rcu_preempt22:20:282
221979199361,18cyclictest34-21ksoftirqd/222:55:002
221979199361,11cyclictest2069-21gnome-shell20:17:102
2219791993610,9cyclictest34-21ksoftirqd/222:50:002
221978799362,10cyclictest0-21swapper/121:38:371
2219787993620,11cyclictest2235799-21/usr/sbin/munin19:55:011
2219787993618,13cyclictest2248927-21ntp_states20:30:251
2219783993616,16cyclictest2268005-21grep21:25:200
221979399358,6cyclictest141rcu_preempt23:04:593
221979399355,6cyclictest141rcu_preempt19:40:003
2219793993519,12cyclictest2311589-21cut23:30:013
2219793993519,12cyclictest2269875-21df21:30:143
2219793993518,13cyclictest2232762-21tr19:45:133
2219793993517,6cyclictest141rcu_preempt21:50:273
2219793993516,7cyclictest141rcu_preempt21:40:253
2219793993516,7cyclictest141rcu_preempt20:45:003
2219793993516,7cyclictest141rcu_preempt19:25:123
2219793993516,6cyclictest141rcu_preempt23:39:563
2219793993515,7cyclictest141rcu_preempt21:55:113
2219793993515,7cyclictest141rcu_preempt21:47:103
2219793993514,8cyclictest141rcu_preempt19:15:003
221979199354,16cyclictest141rcu_preempt22:00:122
221979199353,16cyclictest0-21swapper/221:10:122
2219791993527,5cyclictest34-21ksoftirqd/222:35:012
2219791993521,10cyclictest34-21ksoftirqd/222:40:292
2219791993518,13cyclictest2267102-21seq21:23:202
2219791993515,6cyclictest141rcu_preempt22:35:202
2219791993514,5cyclictest141rcu_preempt20:40:252
2219791993512,7cyclictest141rcu_preempt23:45:272
2219791993511,7cyclictest141rcu_preempt20:45:132
221979199351,10cyclictest2237778-21sort20:00:112
221978799353,27cyclictest2241265-21grep20:10:131
2219787993520,11cyclictest2279312-21who21:55:311
2219787993518,12cyclictest2322108-21awk00:00:101
221978799351,30cyclictest2297583-21pool-udisksd22:49:571
221978799351,12cyclictest0-21swapper/119:17:431
221978799351,10cyclictest4497-21PK-Backend00:25:101
22241822340,9sleep10-21swapper/119:20:131
221979399346,5cyclictest141rcu_preempt20:15:013
2219793993422,7cyclictest438-20systemd-journal21:04:553
2219793993419,11cyclictest2309705-21cron23:25:013
2219793993416,6cyclictest141rcu_preempt20:35:153
2219793993415,7cyclictest141rcu_preempt22:51:103
2219793993415,7cyclictest141rcu_preempt22:15:033
2219793993415,7cyclictest141rcu_preempt22:05:283
2219793993415,7cyclictest141rcu_preempt19:25:013
2219793993415,7cyclictest141rcu_preempt00:10:003
221979199348,10cyclictest34-21ksoftirqd/200:10:252
221979199348,10cyclictest34-21ksoftirqd/200:10:242
2219791993423,7cyclictest2308444-21tr23:20:122
2219791993420,10cyclictest2265507-21cron21:20:012
2219791993419,11cyclictest2307973-21cron23:20:002
2219791993418,12cyclictest2331324-21grep00:25:192
2219791993418,12cyclictest2324700-21awk00:05:262
2219791993414,6cyclictest141rcu_preempt23:42:332
2219791993411,6cyclictest141rcu_preempt19:10:242
221979199341,11cyclictest2256197-21awk20:50:302
2219787993418,12cyclictest2333500-21cat00:30:271
2219787993418,12cyclictest2256001-21sed20:50:271
2219787993411,6cyclictest141rcu_preempt19:30:001
221978799341,13cyclictest4497-21PK-Backend23:26:291
23213242330,6sleep20-21swapper/223:55:302
2219793993322,7cyclictest2306894-21df_inode23:15:163
2219793993317,12cyclictest2193-21gdbus00:29:563
2219793993314,7cyclictest141rcu_preempt20:08:103
2219793993313,8cyclictest141rcu_preempt23:40:053
221979399331,29cyclictest4497-21PK-Backend19:52:153
221979399331,10cyclictest4497-21PK-Backend20:20:233
2219791993322,6cyclictest34-21ksoftirqd/219:25:192
2219791993319,10cyclictest2248416-21expr20:30:142
2219791993318,10cyclictest438-20systemd-journal19:34:552
2219791993316,13cyclictest2303928-21python323:05:272
221979199331,29cyclictest0-21swapper/219:36:452
2219791993311,7cyclictest141rcu_preempt23:39:562
221978799331,9cyclictest4497-21PK-Backend21:05:291
2219787993319,10cyclictest2236584-21wc19:55:211
2219787993317,12cyclictest2229652-21cut19:35:211
2219787993316,13cyclictest1975-21dbus-daemon21:53:011
221978799331,5cyclictest4497-21PK-Backend22:36:111
221978799331,29cyclictest4497-21PK-Backend23:03:421
221978799331,29cyclictest4497-21PK-Backend21:23:001
221978799331,29cyclictest0-21swapper/120:26:251
221978799331,13cyclictest4497-21PK-Backend22:59:211
221978799331,10cyclictest4497-21PK-Backend23:13:101
221978799331,10cyclictest4497-21PK-Backend22:30:401
221978799331,10cyclictest4497-21PK-Backend00:07:271
2219793993213,7cyclictest141rcu_preempt00:15:023
2219793993213,7cyclictest141rcu_preempt00:15:023
221979199328,7cyclictest141rcu_preempt22:25:252
2219791993222,6cyclictest34-21ksoftirqd/223:10:402
2219791993222,6cyclictest34-21ksoftirqd/223:00:442
2219791993222,6cyclictest34-21ksoftirqd/221:05:412
2219791993222,6cyclictest34-21ksoftirqd/220:11:402
2219791993215,13cyclictest2312147-21if_enp2s023:30:202
221979199321,28cyclictest0-21swapper/200:36:582
2219791993211,6cyclictest141rcu_preempt20:05:152
2219787993225,4cyclictest4497-21PK-Backend21:13:181
2219787993225,4cyclictest0-21swapper/100:17:111
221978799321,9cyclictest4497-21PK-Backend21:31:121
2219787993217,12cyclictest2298650-21proc_pri22:50:251
221978799321,4cyclictest0-21swapper/121:47:051
221978799321,27cyclictest26-21ksoftirqd/120:20:281
221978799321,13cyclictest4497-21PK-Backend21:29:031
2219793993111,8cyclictest141rcu_preempt19:40:523
2219791993122,5cyclictest34-21ksoftirqd/221:00:302
2219791993121,5cyclictest34-21ksoftirqd/219:40:032
2219791993115,11cyclictest2310710-21ntpq23:25:252
2219787993115,12cyclictest2273408-21awk21:40:171
221978799292,11cyclictest4497-21PK-Backend19:35:021
221978799291,4cyclictest4497-21PK-Backend23:35:001
2219787992716,7cyclictest1137-21runrttasks22:42:331
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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