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2026-02-23 - 18:41
[ 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 #a, slot #8

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 376 highest latencies:
System rackaslot8s.osadl.org (updated Mon Feb 23, 2026 12:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11245222399,49sleep20-21swapper/207:05:372
1865321780,1sleep30-21swapper/310:11:203
113332145104,34sleep30-21swapper/307:06:473
11239214597,22sleep10-21swapper/107:05:321
11243213598,26sleep00-21swapper/007:05:350
251322680,2sleep10-21swapper/111:52:111
255732620,1sleep10-21swapper/109:52:441
158962530,2sleep20-21swapper/210:57:262
158962530,2sleep20-21swapper/210:57:262
92622520,2sleep30-21swapper/311:16:183
90962510,2sleep00-21swapper/010:05:030
4082500,1sleep10-21swapper/109:34:431
136752470,1sleep10-21swapper/111:44:261
136752470,1sleep10-21swapper/111:44:251
174962420,1sleep30-21swapper/307:20:233
125292390,1sleep10-21swapper/107:10:171
161372350,1sleep00-21swapper/011:21:240
311402310,19sleep1211rcuc/111:32:571
11855993122,6cyclictest12456-21hddtemp_smartct07:10:160
158512290,2chrt0-21swapper/210:33:472
28702270,3sleep30-21swapper/309:35:413
1185899271,24cyclictest12822-21ntp_states07:10:213
208772260,2chrt0-21swapper/010:13:340
1185899261,15cyclictest24449-21sed10:15:253
1185799262,18cyclictest6734-21ssh09:15:132
11856992613,7cyclictest31763-21diskmemload11:10:121
11857992520,3cyclictest12546-21irqstats07:10:172
11857992513,10cyclictest18848-21/usr/sbin/munin11:00:132
11858992413,7cyclictest31039-21processes12:20:223
11858992410,11cyclictest8243-21expr09:40:143
91492230,9sleep334-21ksoftirqd/310:05:073
54512230,2sleep30-21swapper/310:01:373
153952230,2sleep00-21swapper/009:20:370
1185899237,9cyclictest34-21ksoftirqd/309:30:133
1185899233,13cyclictest31763-21diskmemload11:35:123
11858992311,8cyclictest4141-21diskstats10:25:143
11858992310,9cyclictest29871-21df10:20:163
42192220,3sleep14328-21ls12:00:231
208942220,3sleep20-21swapper/209:49:502
167722220,3sleep228-21ksoftirqd/212:10:152
1185899222,15cyclictest13159-21apt-get10:31:083
1185799222,8cyclictest0-21swapper/210:05:012
1185799221,9cyclictest6122ssh09:58:292
11857992213,6cyclictest11062-21python308:20:232
11857992212,7cyclictest560-21dbus-daemon10:10:002
1185699226,6cyclictest66050lldpd12:36:271
1185699222,16cyclictest18221-21cron08:40:011
1185699221,15cyclictest16347-21ssh12:10:111
11855992210,8cyclictest26873-21apt-get11:30:110
250052210,4sleep20-21swapper/210:15:572
24142210,1sleep20-21swapper/209:35:322
11858992116,4cyclictest34-21ksoftirqd/307:40:003
11858992112,6cyclictest22612-21pluginstate09:50:203
11858992111,6cyclictest52850irq/140-enp3s0-09:15:133
1185899210,7cyclictest16973-21ssh09:22:133
1185799215,14cyclictest6588-21tr08:10:212
1185799212,13cyclictest29857-21sh12:20:122
11857992115,4cyclictest4071-21acpi12:25:092
11857992115,4cyclictest4071-21acpi12:25:092
11857992111,7cyclictest8057-21df08:15:142
11857992110,7cyclictest27123-21grep11:05:252
1185699213,12cyclictest22-21ksoftirqd/110:17:281
1185699211,5cyclictest0-21swapper/109:48:571
11856992114,5cyclictest22-21ksoftirqd/107:25:001
11856992113,2cyclictest22-21ksoftirqd/109:25:481
11856992113,2cyclictest22-21ksoftirqd/109:25:471
11856992112,5cyclictest12087-21unixbench-2d10:30:251
11856992111,7cyclictest7829-21seq10:51:021
11856992111,7cyclictest19079-21seq10:11:461
1185599217,5cyclictest7894-21gzip11:15:230
1185599212,14cyclictest14684-21diskmemload09:45:030
1185599212,13cyclictest2773-21ssh12:00:050
11855992113,6cyclictest560-21dbus-daemon07:25:000
11855992113,6cyclictest32306-21ls07:55:180
11855992113,5cyclictest25202-21cron11:05:000
11855992111,8cyclictest560-21dbus-daemon10:20:010
11855992111,4cyclictest8403-21sh10:51:370
1185899208,9cyclictest20864-21sh09:25:163
1185899208,9cyclictest20864-21sh09:25:163
1185899205,3cyclictest141rcu_preempt08:05:143
1185899202,12cyclictest16343-21apt-get08:35:123
11858992014,4cyclictest18950irq/143-ahci[0011:29:593
11858992014,4cyclictest1773-21sh10:46:433
1185899201,17cyclictest10767-21cut12:05:233
11858992011,6cyclictest29139-21grep09:55:193
11858992011,6cyclictest14376-21cut11:45:003
11858992011,6cyclictest14376-21cut11:45:003
1185799203,15cyclictest13936-21cron08:30:002
1185799202,12cyclictest75-21kswapd012:15:122
11857992014,4cyclictest28-21ksoftirqd/210:40:002
11857992012,6cyclictest29184-21wc07:50:002
11857992012,6cyclictest28791-21df_inode11:55:162
11857992012,6cyclictest20496-21cut07:30:012
11857992012,5cyclictest52950irq/141-enp3s0-10:45:202
11857992011,6cyclictest52950irq/141-enp3s0-09:50:202
11857992011,6cyclictest28267-21cat11:30:232
11857992011,6cyclictest11891-21cut10:55:002
11857992010,8cyclictest26739-21ssh09:30:032
11857992010,7cyclictest52950irq/141-enp3s0-11:35:122
1185699209,7cyclictest53050irq/142-enp3s0-11:05:251
1185699209,3cyclictest22-21ksoftirqd/110:04:261
1185699202,4cyclictest0-21swapper/109:36:251
1185699202,13cyclictest31763-21diskmemload10:35:141
1185699202,12cyclictest24308-21ssh10:40:041
1185699201,9cyclictest0-21swapper/109:17:551
11856992014,4cyclictest22-21ksoftirqd/110:00:011
11856992014,4cyclictest19766-21missed_timers11:00:181
11856992013,5cyclictest18556-21sh11:47:201
11856992013,5cyclictest17141-21sh11:22:261
11856992012,6cyclictest23984-21sed12:15:201
11856992012,6cyclictest14832-21sed07:15:191
11856992012,5cyclictest388-21sh10:45:261
11856992011,6cyclictest23828-21if_err_enp3s008:50:181
11856992011,6cyclictest15387-21sed08:30:231
11856992011,6cyclictest13642-21seq08:26:161
11856992011,6cyclictest11385-21grep08:20:251
11856992010,6cyclictest20769-21head11:25:151
1185599202,16cyclictest5061-21idleruntime-cro10:49:590
11855992013,5cyclictest21746-21seq12:37:500
11855992013,5cyclictest15352-21sh10:56:550
11855992013,5cyclictest15352-21sh10:56:540
11855992012,6cyclictest8319-21forks09:40:150
11855992012,6cyclictest29701-21cat10:20:150
11855992012,6cyclictest28265-21seq09:55:120
11855992012,6cyclictest25551-21tune2fs07:40:160
11855992012,6cyclictest24143-21sed07:35:240
11855992012,6cyclictest14079-21seq10:32:000
11855992011,7cyclictest31717-21seq09:33:330
11855992011,6cyclictest21059-21apt08:45:100
11855992011,6cyclictest16000-21sort12:10:000
1185599200,9cyclictest38232mailstats10:00:240
50042190,1chrt0-21swapper/011:13:460
148542191,2sleep315068-21expr09:45:133
134152190,4sleep313395-21apt-get11:20:113
1185899193,11cyclictest25655-21apt-get11:05:153
1185899192,13cyclictest1369-21unixbench-2d09:10:253
1185899192,11cyclictest18249-21apt-get08:40:033
1185899191,8cyclictest11271-21ssh12:30:153
11858991914,3cyclictest9976-21cpuspeed_turbos08:20:143
11858991914,3cyclictest5921-21fschecks_count10:50:153
11858991913,4cyclictest6767-21ssh12:26:193
11858991913,4cyclictest6767-21ssh12:26:193
11858991913,4cyclictest28299-21threads11:30:253
11858991912,5cyclictest22156-21which08:45:213
11858991911,6cyclictest560-21dbus-daemon08:30:003
11858991911,6cyclictest3293-21sed08:05:003
11858991911,6cyclictest29851-21perl07:50:153
11858991911,6cyclictest29851-21perl07:50:153
11858991911,6cyclictest28047-21sed07:45:183
11858991911,6cyclictest26075-21pluginstate07:40:233
11858991911,6cyclictest18334-21ls10:35:203
11858991911,6cyclictest17872-21wc12:10:233
11858991911,5cyclictest278-21systemd-journal12:40:003
11858991910,7cyclictest23753-21basename12:15:173
11858991910,6cyclictest19311-21date07:25:183
1185799198,8cyclictest24464-21apt-get10:40:122
1185799197,3cyclictest141rcu_preempt09:40:122
1185799192,12cyclictest16011-21ssh10:10:122
1185799191,9cyclictest7289-21hddtemp_smartct11:15:162
11857991914,3cyclictest14739-21sendmail_mailst09:20:242
11857991913,4cyclictest52950irq/141-enp3s0-11:20:192
11857991913,4cyclictest23963-21sh09:27:302
11857991913,4cyclictest23963-21sh09:27:302
11857991911,6cyclictest23637-21tune2fs08:50:152
11857991911,6cyclictest22928-21systemctl11:50:232
11857991911,6cyclictest22589-21cron07:34:592
11857991911,5cyclictest2516-21grep08:00:242
1185799191,15cyclictest18934-21ssh12:35:232
11857991910,6cyclictest32581-21entropy09:10:152
1185699198,8cyclictest4889-21tail08:05:261
1185699193,9cyclictest29867-21apt-get09:05:151
1185699193,4cyclictest0-21swapper/112:31:041
1185699191,5cyclictest0-21swapper/110:25:271
11856991913,4cyclictest880-21sh11:58:361
11856991913,4cyclictest486-21sh12:21:481
11856991913,4cyclictest15780-21sh09:21:001
11856991913,3cyclictest12765-21sh10:07:121
11856991912,5cyclictest11606-21sh11:18:381
11856991912,4cyclictest5550-21sh11:38:031
11856991912,4cyclictest31763-21diskmemload12:08:011
11856991911,6cyclictest1289-21cat08:00:111
11856991911,5cyclictest31154-21grep10:20:291
11856991911,5cyclictest19295-21idleruntime08:40:171
11856991910,7cyclictest12217-21grep10:55:151
11856991910,7cyclictest12217-21grep10:55:141
11856991910,6cyclictest4459-21expr12:25:121
11856991910,6cyclictest4459-21expr12:25:111
1185599199,8cyclictest12549-21tail08:25:150
1185599198,8cyclictest17185-21kworker/u8:011:25:130
1185599192,11cyclictest17544-21apt-get10:35:130
11855991914,3cyclictest8418-21latency08:15:170
11855991913,4cyclictest29160-21sh11:07:130
11855991913,4cyclictest29054-21sh12:19:400
11855991913,4cyclictest20352-21sh11:49:080
11855991913,3cyclictest21803-21sendmail_mailst07:30:220
11855991912,5cyclictest995-21seq09:35:030
11855991912,5cyclictest31229-21seq07:54:140
11855991912,5cyclictest31229-21seq07:54:140
11855991912,5cyclictest15912-21seq07:19:510
11855991912,4cyclictest31763-21diskmemload12:33:320
11855991912,4cyclictest25203-21interrupts10:40:190
11855991912,4cyclictest0-21swapper/009:10:130
11855991911,6cyclictest6806-21cat09:15:130
11855991911,6cyclictest5454-21cut08:10:010
11855991911,6cyclictest11817-21basename08:25:000
11855991910,6cyclictest20155-21apt-get09:25:120
11855991910,6cyclictest20155-21apt-get09:25:110
1185899187,8cyclictest0-21swapper/310:42:173
1185899182,11cyclictest18873-21apt-get11:00:103
1185899181,8cyclictest18133-21ssh11:46:543
11858991813,3cyclictest0-21swapper/311:52:593
11858991812,4cyclictest2294-21sendmail12:00:003
11858991812,4cyclictest15474-21sh10:57:003
11858991812,4cyclictest15474-21sh10:57:003
11858991811,5cyclictest34-21ksoftirqd/312:01:133
11858991811,5cyclictest32268-21sed07:55:183
11858991811,5cyclictest31375-21users09:05:273
11858991811,5cyclictest14941-21date08:30:183
11858991811,4cyclictest31763-21diskmemload11:10:073
11858991810,6cyclictest25673-21df08:55:143
11858991810,6cyclictest25249-21date08:55:003
11858991810,5cyclictest28040-21sed09:00:173
1185799189,6cyclictest14164-21grep07:15:152
1185799182,11cyclictest18678-21apt-get08:40:032
1185799181,8cyclictest2256-21ssh11:11:002
11857991812,4cyclictest6297-21sh12:02:052
11857991812,4cyclictest6038-21sh10:25:592
11857991812,4cyclictest22761-21sh11:26:192
11857991811,5cyclictest8671-21interrupts11:40:162
11857991811,5cyclictest8671-21interrupts11:40:162
11857991811,5cyclictest31235-21cat09:05:262
11857991811,5cyclictest11954-21uname12:30:232
11857991811,4cyclictest3358-21kworker/u8:212:05:212
11857991810,6cyclictest4642-21cat08:05:252
11857991810,6cyclictest23663-21cat07:35:182
11857991810,6cyclictest14484-21ls08:30:132
11857991810,5cyclictest26254-21systemctl07:40:242
1185699188,7cyclictest795-21awk09:10:201
11856991813,3cyclictest26472-21sendmail_mailtr08:55:231
11856991811,5cyclictest32638-21gzip07:55:221
11856991811,5cyclictest28171-21ntp_kernel_pll_07:45:201
11856991811,5cyclictest20598-21wc07:30:011
11856991811,5cyclictest11815-21sh09:42:381
11856991810,6cyclictest22325-21cat08:45:231
11856991810,5cyclictest23085-21expr07:35:141
1185599186,3cyclictest141rcu_preempt11:50:210
1185599182,11cyclictest14198-21apt-get08:30:140
1185599182,10cyclictest16334-21apt-get12:10:110
1185599181,8cyclictest28181-21ssh11:55:010
11855991813,3cyclictest8329-21sh11:40:150
11855991813,3cyclictest8329-21sh11:40:140
11855991813,3cyclictest636-21runrttasks08:04:240
11855991813,3cyclictest5888-21sh12:25:280
11855991813,3cyclictest5888-21sh12:25:270
11855991812,4cyclictest5910-21sh11:38:250
11855991812,4cyclictest32661-21sh12:21:310
11855991812,4cyclictest23579-21sh09:50:450
11855991811,5cyclictest6545-21awk08:10:210
11855991811,5cyclictest31598-21seq09:08:090
11855991811,5cyclictest19275-21cat07:25:180
11855991811,5cyclictest17158-21cat08:35:190
11855991810,6cyclictest9636-21seq10:29:350
1185899179,6cyclictest15949-21cron07:20:003
1185899178,6cyclictest7822-21expr08:15:123
11858991710,5cyclictest20931-21expr07:30:123
1185799179,6cyclictest17682-21sed08:35:252
1185799179,5cyclictest560-21dbus-daemon11:45:032
1185799172,10cyclictest27512-21apt-get09:00:132
11857991711,4cyclictest29489-21/usr/sbin/munin10:20:282
11857991710,5cyclictest16649-21expr07:20:142
11857991710,5cyclictest1129-21cut08:00:002
1185699179,6cyclictest25336-21ls07:40:141
1185699171,14cyclictest29743-21kworker/1:108:15:011
11856991710,5cyclictest29544-21expr07:50:131
11856991710,5cyclictest29544-21expr07:50:131
11856991710,5cyclictest20930-21expr07:30:121
1185599179,6cyclictest28962-21awk09:00:270
1185599179,6cyclictest28069-21ls07:45:180
1185599179,6cyclictest18781-21cat08:40:130
11855991712,3cyclictest23711-21gltestperf08:50:160
11855991710,5cyclictest25485-21expr08:55:130
1185899168,6cyclictest6902-21date08:10:243
1185799169,5cyclictest21266-21expr08:45:122
1185799161,11cyclictest25348-21apt-get08:55:132
1185699169,5cyclictest7233-21seq08:11:561
1185799158,5cyclictest29401-21cat07:50:122
1185799158,5cyclictest29401-21cat07:50:112
1185699147,4cyclictest27621-21cpuspeed_turbos09:00:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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