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2026-02-22 - 00:57
[ 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 792 highest latencies:
System rackcslot7s.osadl.org (updated Sat Feb 21, 2026 12:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
284454799478451,23cyclictest2946164-21turbostat11:59:543
284454799468441,24cyclictest2909195-21turbostat10:10:013
284454799466457,5cyclictest2956549-21turbostat12:25:003
284454799464433,27cyclictest2850153-21turbostat07:25:013
284454799462455,4cyclictest2874743-21turbostat08:39:563
284454799462455,4cyclictest2874743-21turbostat08:39:553
284454799461454,4cyclictest2918152-21turbostat10:35:013
284454799461454,4cyclictest2898513-21turbostat09:40:013
284454799461453,5cyclictest2892962-21turbostat09:29:553
284454799460436,20cyclictest2891223-21turbostat09:24:563
284454799460436,20cyclictest2891223-21turbostat09:24:553
284454799459452,4cyclictest2930270-21turbostat11:09:593
284454799458451,4cyclictest2878206-21turbostat08:49:553
284454799458450,5cyclictest2931994-21turbostat11:19:563
284454499458451,4cyclictest2869557-21turbostat08:24:542
284443124570,7sleep02844428-21awk07:10:000
284454799456449,4cyclictest2910926-21turbostat10:14:593
284454799456449,4cyclictest2862615-21turbostat07:59:593
284454799450442,5cyclictest2851881-21turbostat07:29:593
284454799450442,5cyclictest2851881-21turbostat07:29:593
284454799449441,5cyclictest2901971-21turbostat09:49:593
284454799446439,4cyclictest2903701-21turbostat09:55:003
284453199445436,6cyclictest2923346-21turbostat10:54:560
284454799444437,4cyclictest2925080-21turbostat10:55:013
284454799441434,4cyclictest2857136-21turbostat07:45:013
284454799439430,6cyclictest2866086-21turbostat08:10:013
284454799439414,21cyclictest2939228-21turbostat11:39:563
284454799438430,5cyclictest2882267-21turbostat08:55:013
284454799438430,5cyclictest2882267-21turbostat08:55:003
284453199437430,4cyclictest2901971-21turbostat09:54:550
284453199436413,20cyclictest2887766-21turbostat09:14:550
284454799435428,4cyclictest2853615-21turbostat07:39:553
284454799435428,4cyclictest2846203-21turbostat07:15:003
284454799434427,4cyclictest2919890-21turbostat10:39:593
284454799434426,5cyclictest2958280-21turbostat12:30:003
284454799433426,4cyclictest2953082-21turbostat12:15:003
284454799432423,6cyclictest2907464-21turbostat10:05:013
284454799431423,4cyclictest2853615-21turbostat07:35:003
284454799430423,4cyclictest2961735-21turbostat12:39:593
284454799429422,4cyclictest2958280-21turbostat12:34:563
284454799429422,4cyclictest2958280-21turbostat12:34:563
284454799429422,4cyclictest2889499-21turbostat09:15:013
284454799427420,4cyclictest2873004-21turbostat08:34:553
284454499427420,4cyclictest2926807-21turbostat11:04:562
284453199424415,6cyclictest2903701-21turbostat09:59:550
284454799422413,6cyclictest2916123-21turbostat10:30:013
284454799420411,6cyclictest2860901-21turbostat07:54:593
284454499420413,4cyclictest2953082-21turbostat12:19:552
284454099418411,4cyclictest2921617-21turbostat10:49:551
284454499416409,4cyclictest2947893-21turbostat12:04:552
284454799405398,4cyclictest2910926-21turbostat10:19:543
284454799403375,25cyclictest2944421-21turbostat11:54:553
284454799401393,5cyclictest2889499-21turbostat09:19:563
284454799400393,4cyclictest2884303-21turbostat09:00:003
284454799400393,4cyclictest2884303-21turbostat09:00:003
284454799398391,4cyclictest2900243-21turbostat09:45:003
284453199398391,4cyclictest2940957-21turbostat11:44:560
284454499394372,19cyclictest2930270-21turbostat11:14:542
284454799393383,6cyclictest2939228-21turbostat11:35:003
284454799390382,5cyclictest2886035-21turbostat09:05:003
284454799385378,4cyclictest2931994-21turbostat11:15:013
284454799383376,4cyclictest2949617-21turbostat12:05:003
284454799377371,3cyclictest2894747-21turbostat09:34:553
284454799377369,5cyclictest2921617-21turbostat10:44:593
284454799373366,4cyclictest2935765-21turbostat11:25:003
284454799373366,4cyclictest2935765-21turbostat11:25:003
284454799372366,3cyclictest2928533-21turbostat11:04:593
284454799370362,5cyclictest2951351-21turbostat12:10:013
284454799368360,5cyclictest2867819-21turbostat08:15:013
284454799368360,5cyclictest2867819-21turbostat08:15:003
284454799365357,5cyclictest2914383-21turbostat10:25:013
284454499364356,5cyclictest2844415-21turbostat07:14:542
284454099364356,5cyclictest2942684-21turbostat11:49:551
284454799363356,4cyclictest2942684-21turbostat11:45:013
284454799362355,4cyclictest2864358-21turbostat08:04:593
284454799360352,5cyclictest2886035-21turbostat09:09:553
284454499360353,4cyclictest2912659-21turbostat10:24:542
284454499359352,4cyclictest2935765-21turbostat11:29:552
284454499351344,4cyclictest2862615-21turbostat08:04:542
284454099350342,5cyclictest2866086-21turbostat08:14:561
284454099350342,5cyclictest2866086-21turbostat08:14:551
284454799349342,4cyclictest2846203-21turbostat07:19:553
284454099348341,4cyclictest2925080-21turbostat10:59:551
284454799345339,3cyclictest2923346-21turbostat10:50:013
284454799338331,4cyclictest2867819-21turbostat08:19:553
284454499338331,4cyclictest2851881-21turbostat07:34:542
284454799332326,3cyclictest2871281-21turbostat08:24:593
284454099332323,6cyclictest2857136-21turbostat07:49:551
284453199332324,5cyclictest2949617-21turbostat12:09:560
284454799321315,3cyclictest2937494-21turbostat11:29:593
284454499317311,3cyclictest2876479-21turbostat08:44:542
284383622810,18sleep20-21swapper/207:05:282
284454799244231,9cyclictest2926807-21turbostat11:00:013
284334022360,5sleep10-21swapper/107:05:191
284454799199185,10cyclictest2944421-21turbostat11:50:003
284454799158151,4cyclictest2954814-21turbostat12:20:003
2844151212671,44sleep30-21swapper/307:06:573
284454799117105,8cyclictest2878206-21turbostat08:45:003
28445479910996,9cyclictest2858860-21turbostat07:50:013
28445409910492,9cyclictest2871281-21turbostat08:29:551
2844544999891,4cyclictest2882267-21turbostat08:59:562
2844544999891,4cyclictest2882267-21turbostat08:59:552
2844547999790,4cyclictest2873004-21turbostat08:30:003
2844547999689,4cyclictest2905733-21turbostat10:00:003
28973542910,3sleep20-21swapper/209:35:152
29188392900,3sleep20-21swapper/210:35:202
29082852670,4sleep24497-21PK-Backend10:05:212
29155272600,24chrt0-21swapper/010:25:280
28800192550,7sleep00-21swapper/008:47:320
28949652540,7chrt0-21swapper/009:30:020
28921232530,17sleep234-21ksoftirqd/209:20:222
28921232530,17sleep234-21ksoftirqd/209:20:212
2844544994433,7cyclictest1137-21runrttasks10:30:152
2844544994420,20cyclictest34-21ksoftirqd/209:15:002
2844531994425,14cyclictest13-21ksoftirqd/007:10:270
28650262420,3sleep10-21swapper/108:05:191
284454499422,23cyclictest2860038-21needreboot07:50:222
2844531994225,13cyclictest13-21ksoftirqd/010:35:010
2844531994224,6cyclictest13-21ksoftirqd/011:50:210
2844531994224,6cyclictest13-21ksoftirqd/011:10:000
2844531994224,6cyclictest13-21ksoftirqd/009:00:010
2844531994224,6cyclictest13-21ksoftirqd/009:00:000
2844531994222,15cyclictest13-21ksoftirqd/008:20:010
28700472410,6chrt0-21swapper/008:20:150
284454499412,10cyclictest2961728-21sh12:40:002
2844544994118,18cyclictest2948112-21sed12:00:032
284454099412,33cyclictest2902816-21memory09:50:211
2844540994116,21cyclictest2881660-40lsb_release08:50:291
2844540994116,21cyclictest2881660-40lsb_release08:50:281
2844531994124,5cyclictest13-21ksoftirqd/007:50:000
2844531994124,5cyclictest13-21ksoftirqd/007:15:120
2844531994124,13cyclictest13-21ksoftirqd/009:25:010
2844531994124,13cyclictest13-21ksoftirqd/009:25:000
2844531994123,5cyclictest13-21ksoftirqd/007:50:240
2844531994123,14cyclictest13-21ksoftirqd/008:00:010
2844531994123,14cyclictest13-21ksoftirqd/007:30:010
2844531994123,14cyclictest13-21ksoftirqd/007:30:000
2844531994122,6cyclictest13-21ksoftirqd/010:35:130
29577732400,13sleep0161rcuc/012:25:280
2844544994025,11cyclictest2916119-21apt-get10:30:012
284454099402,32cyclictest2951902-21expr12:10:151
2844540994022,13cyclictest2913505-21memory10:20:211
2844531994023,5cyclictest13-21ksoftirqd/012:35:010
2844531994023,5cyclictest13-21ksoftirqd/012:35:010
2844531994023,5cyclictest13-21ksoftirqd/007:25:010
2844531994023,14cyclictest13-21ksoftirqd/008:33:090
2844531994022,14cyclictest13-21ksoftirqd/011:19:500
2844531994022,13cyclictest13-21ksoftirqd/010:55:260
2844544993924,11cyclictest2903689-21apt-get09:54:592
2844544993921,14cyclictest34-21ksoftirqd/207:55:302
2844540993920,14cyclictest2859970-21memory07:50:211
284453199396,5cyclictest141rcu_preempt12:15:280
284453199395,12cyclictest13-21ksoftirqd/008:41:480
2844531993922,5cyclictest13-21ksoftirqd/008:00:140
2844531993922,13cyclictest2908472-21ntp_states10:05:240
2844531993922,13cyclictest13-21ksoftirqd/010:05:020
2844531993920,6cyclictest13-21ksoftirqd/007:35:220
2844531993913,13cyclictest13-21ksoftirqd/009:45:220
29330272380,5sleep20-21swapper/211:15:192
284454499389,13cyclictest141rcu_preempt11:35:282
284454499382,6cyclictest141rcu_preempt12:26:582
2844544993821,6cyclictest34-21ksoftirqd/207:49:402
2844544993810,11cyclictest141rcu_preempt11:23:252
2844544993810,11cyclictest141rcu_preempt11:23:252
284454099385,15cyclictest26-21ksoftirqd/109:45:011
2844540993821,13cyclictest2901221-21ntpq09:45:251
2844540993820,13cyclictest2931405-21swap11:10:281
2844540993813,10cyclictest2850142-21cron07:25:001
284453199389,4cyclictest141rcu_preempt10:40:230
2844531993821,6cyclictest13-21ksoftirqd/009:05:020
2844531993821,5cyclictest13-21ksoftirqd/011:50:000
2844531993820,6cyclictest13-21ksoftirqd/009:35:020
2844531993820,5cyclictest13-21ksoftirqd/011:15:020
2844531993819,6cyclictest13-21ksoftirqd/010:20:010
2844531993815,6cyclictest13-21ksoftirqd/007:45:020
2844544993726,6cyclictest34-21ksoftirqd/208:15:282
284454499372,31cyclictest2886667-21df_inode09:05:152
2844544993722,5cyclictest34-21ksoftirqd/212:10:202
2844544993721,12cyclictest1-21systemd11:34:282
2844544993721,11cyclictest2849765-21awk07:20:302
2844544993718,14cyclictest34-21ksoftirqd/208:05:222
2844544993712,10cyclictest141rcu_preempt08:49:252
2844540993721,12cyclictest2864385-21unin-run08:05:011
2844540993720,12cyclictest438-20systemd-journal10:53:051
2844540993720,12cyclictest2938510-21ntpq11:30:231
284453199373,12cyclictest13-21ksoftirqd/012:35:060
2844531993721,5cyclictest13-21ksoftirqd/010:45:290
2844531993720,5cyclictest13-21ksoftirqd/012:25:000
2844531993720,5cyclictest13-21ksoftirqd/012:00:000
2844531993719,6cyclictest13-21ksoftirqd/011:30:210
2844531993719,5cyclictest13-21ksoftirqd/012:15:020
29369532360,6sleep126-21ksoftirqd/111:25:291
284454499369,12cyclictest141rcu_preempt11:50:132
284454499365,5cyclictest141rcu_preempt10:40:272
284454499365,4cyclictest141rcu_preempt09:30:222
284454499364,5cyclictest141rcu_preempt09:00:172
2844544993626,6cyclictest2854626-21ntpq07:35:232
2844544993620,12cyclictest2928792-21awk11:05:112
2844544993620,11cyclictest2872552-21cat08:25:282
284454499361,9cyclictest141rcu_preempt10:00:202
2844544993619,13cyclictest34-21ksoftirqd/208:50:112
2844544993619,13cyclictest34-21ksoftirqd/208:50:112
2844544993618,14cyclictest34-21ksoftirqd/210:55:282
2844544993618,14cyclictest34-21ksoftirqd/207:25:312
2844544993618,14cyclictest34-21ksoftirqd/207:25:312
2844544993617,14cyclictest34-21ksoftirqd/211:44:052
2844544993616,8cyclictest141rcu_preempt10:50:302
2844544993616,12cyclictest34-21ksoftirqd/209:45:122
284454099367,25cyclictest2961719-21cron12:39:591
2844540993622,10cyclictest2915525-21python310:25:271
2844540993620,12cyclictest2919497-21uptime10:35:301
2844540993620,12cyclictest2887474-21sshd09:06:291
2844540993620,12cyclictest2851481-21sshd07:25:301
2844540993620,12cyclictest2851481-21sshd07:25:301
2844540993620,11cyclictest438-20systemd-journal08:00:001
284453199365,11cyclictest13-21ksoftirqd/007:30:450
2844531993622,10cyclictest2882257-21cron08:55:010
2844531993622,10cyclictest2882257-21cron08:55:000
2844531993620,5cyclictest13-21ksoftirqd/009:05:210
2844531993614,5cyclictest13-21ksoftirqd/008:05:210
284454499359,5cyclictest141rcu_preempt09:25:212
2844544993523,8cyclictest2950047-21cpuspeed_turbos12:05:152
2844544993520,11cyclictest2959256-21ntp_kernel_pll_12:30:242
2844544993520,11cyclictest2959256-21ntp_kernel_pll_12:30:232
2844544993519,12cyclictest2345-21gdbus07:40:212
2844544993518,13cyclictest2874046-21awk08:30:262
2844544993517,13cyclictest2911360-21tr10:15:112
2844544993514,13cyclictest34-21ksoftirqd/209:55:212
2844540993527,5cyclictest4497-21PK-Backend10:13:481
2844540993518,13cyclictest2907949-21expr10:05:131
284454099351,14cyclictest4497-21PK-Backend12:29:111
2844531993519,6cyclictest13-21ksoftirqd/010:14:590
2844531993516,6cyclictest13-21ksoftirqd/008:35:070
2844531993516,6cyclictest13-21ksoftirqd/008:35:070
284454499348,6cyclictest141rcu_preempt08:35:212
284454499348,6cyclictest141rcu_preempt08:35:212
284454499346,12cyclictest141rcu_preempt11:50:002
284454499342,16cyclictest924-21NetworkManager08:14:532
284454499342,16cyclictest924-21NetworkManager08:14:532
2844544993420,10cyclictest2923327-21cron10:50:002
2844544993416,13cyclictest34-21ksoftirqd/209:40:212
2844544993416,13cyclictest2847864-21switchtime07:15:302
2844540993427,4cyclictest4497-21PK-Backend12:33:541
2844540993427,4cyclictest4497-21PK-Backend12:33:531
2844540993427,4cyclictest4497-21PK-Backend11:19:091
2844540993420,10cyclictest2920377-21expr10:40:151
284454099341,9cyclictest4497-21PK-Backend09:31:541
2844540993419,11cyclictest2950165-21expr12:05:171
2844540993419,11cyclictest2947182-21open_files11:55:271
2844540993419,11cyclictest2942763-21grep11:45:011
2844540993418,12cyclictest2906797-21which10:00:261
284454099341,13cyclictest4497-21PK-Backend07:36:161
2844540993410,7cyclictest141rcu_preempt08:20:001
2844531993424,7cyclictest2940991-21cat11:40:020
2844531993419,11cyclictest976-21rs:main0
2844531993419,11cyclictest976-21rs:main0
2844531993419,11cyclictest2949091-21sed12:00:300
2844531993418,11cyclictest438-20systemd-journal09:18:280
284454499334,5cyclictest141rcu_preempt10:11:232
284454499331,7cyclictest4497-21PK-Backend09:16:502
2844540993326,4cyclictest4497-21PK-Backend12:21:421
2844540993326,4cyclictest4497-21PK-Backend08:39:221
2844540993326,4cyclictest4497-21PK-Backend08:39:211
2844540993321,7cyclictest2940942-21cron11:40:011
2844540993319,10cyclictest2891719-21expr09:20:141
2844540993319,10cyclictest2891719-21expr09:20:141
284454099331,8cyclictest4497-21PK-Backend11:23:461
284454099331,8cyclictest4497-21PK-Backend11:23:461
2844540993318,11cyclictest2893575-21expr09:25:131
284454099331,30cyclictest0-21swapper/109:56:171
284454099331,30cyclictest0-21swapper/109:13:261
284454099331,29cyclictest4497-21PK-Backend09:01:341
2844531993317,12cyclictest923-21dbus-daemon10:25:010
2844531993317,12cyclictest2937476-21cron11:29:590
2844531993316,5cyclictest13-21ksoftirqd/008:25:130
2844544993212,16cyclictest34-21ksoftirqd/212:20:242
2844540993226,4cyclictest0-21swapper/108:45:551
2844540993225,4cyclictest4497-21PK-Backend09:37:121
2844540993221,6cyclictest26-21ksoftirqd/107:41:191
2844540993218,10cyclictest2949054-21ls12:00:301
2844540993218,10cyclictest2873909-21cat08:30:211
2844540993218,10cyclictest2852830-21netstat07:30:241
2844540993217,11cyclictest923-21dbus-daemon11:09:551
2844540993217,11cyclictest1036-21gdbus11:00:221
284454099321,4cyclictest4497-21PK-Backend11:51:401
284454099321,29cyclictest0-21swapper/107:12:071
284454099321,28cyclictest0-21swapper/109:17:301
284453199321,25cyclictest438-20systemd-journal11:00:020
2844540993120,8cyclictest26-21ksoftirqd/107:17:571
2844540993116,11cyclictest2870385-21sed08:20:221
284454099311,27cyclictest4497-21PK-Backend12:19:491
284453199314,4cyclictest141rcu_preempt09:40:130
2844531993116,11cyclictest2935745-21cron11:25:000
2844531993116,11cyclictest2935745-21cron11:24:590
284454099303,8cyclictest26-21ksoftirqd/108:45:021
2844540993024,4cyclictest0-21swapper/110:32:521
2844540993020,6cyclictest2884300-21sh09:00:011
2844540993020,6cyclictest2884300-21sh09:00:011
284453199298,4cyclictest141rcu_preempt09:35:330
2844540992821,4cyclictest4497-21PK-Backend10:15:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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