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2026-02-06 - 13:52
[ 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 #7, 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 rack7slot7s.osadl.org (updated Fri Feb 06, 2026 00:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
905229648,43sleep00-21swapper/019:07:130
905929267,9sleep20-21swapper/219:07:192
902828168,9sleep30-21swapper/319:06:553
844827867,6sleep10-21swapper/119:05:251
238742580,0sleep30-21swapper/321:41:183
9354992827,1cyclictest0-21swapper/221:12:112
935099240,1cyclictest0-21swapper/119:10:121
9354992320,2cyclictest32-21ksoftirqd/200:08:102
9354992319,1cyclictest32-21ksoftirqd/223:44:042
935499220,20cyclictest0-21swapper/221:38:042
935699200,1cyclictest0-21swapper/323:57:073
9354992019,1cyclictest32-21ksoftirqd/222:54:012
935099200,17cyclictest0-21swapper/123:56:201
194972200,0sleep00-21swapper/023:15:280
9356991917,1cyclictest0-21swapper/321:30:093
935699190,2cyclictest0-21swapper/300:01:003
935699190,19cyclictest0-21swapper/323:08:393
935499190,2cyclictest0-21swapper/223:28:242
935099194,11cyclictest25-21ksoftirqd/122:35:141
935099190,19cyclictest0-21swapper/122:20:291
934899190,18cyclictest0-21swapper/020:25:150
935699180,18cyclictest0-21swapper/323:40:343
9354991814,3cyclictest32-21ksoftirqd/223:05:112
9354991814,3cyclictest32-21ksoftirqd/222:44:522
9350991817,1cyclictest0-21swapper/121:23:481
934899187,6cyclictest27745-21munin-run00:00:000
934899181,4cyclictest141rcu_preempt22:41:060
935699174,12cyclictest0-21swapper/323:31:173
935699173,1cyclictest2165-21diskmemload22:39:083
935099170,7cyclictest225-21systemd-journal00:20:001
935099170,2cyclictest0-21swapper/100:35:001
9356991612,4cyclictest39-21ksoftirqd/300:25:213
935699160,2cyclictest0-21swapper/323:52:503
9354991615,1cyclictest32-21ksoftirqd/223:17:412
935499160,1cyclictest0-21swapper/222:16:582
935499160,14cyclictest0-21swapper/222:01:252
935099163,10cyclictest38150irq/131-snd_hda20:00:151
935099160,1cyclictest0-21swapper/123:43:521
934899160,0cyclictest0-21swapper/023:51:570
935699151,14cyclictest11273-21kworker/u8:222:00:493
9356991511,3cyclictest25599-21head19:40:253
9356991511,2cyclictest10852-21wc23:10:253
935499152,0cyclictest141rcu_preempt23:01:222
9354991513,1cyclictest0-21swapper/221:32:172
935499151,12cyclictest0-21swapper/221:48:312
9350991514,1cyclictest0-21swapper/122:19:071
9350991513,2cyclictest38150irq/131-snd_hda23:53:571
9350991511,3cyclictest0-21swapper/121:39:041
935099150,15cyclictest0-21swapper/123:46:071
9348991513,1cyclictest2165-21diskmemload23:36:090
9348991512,2cyclictest17858-21ssh21:57:100
935699144,7cyclictest24723-21ssh23:00:133
9356991410,2cyclictest26525-21wc20:50:233
9356991410,2cyclictest12547-21sh21:15:223
935699140,13cyclictest0-21swapper/323:36:133
935499149,2cyclictest0-21swapper/223:33:552
935499143,8cyclictest2165-21diskmemload22:28:372
935499140,2cyclictest0-21swapper/223:51:172
935499140,12cyclictest0-21swapper/223:21:512
935099148,6cyclictest38150irq/131-snd_hda22:40:321
934899141,5cyclictest0-21swapper/020:50:150
9348991410,3cyclictest9180-21cut23:10:150
9348991410,3cyclictest32209-21sh21:05:000
9348991410,3cyclictest21931-21sed20:40:260
9348991410,3cyclictest12620-21fgrep21:15:230
934899140,5cyclictest0-21swapper/022:09:220
934899140,2cyclictest0-21swapper/021:34:400
935699139,3cyclictest27804-21sed23:20:283
935699134,4cyclictest537-21snmpd22:55:463
935699133,1cyclictest141rcu_preempt21:35:433
9356991313,0cyclictest0-21swapper/323:17:033
9356991310,2cyclictest8925-21cut22:30:163
9356991310,2cyclictest8630-21grep22:10:263
9356991310,2cyclictest30729-21grep22:05:133
9356991310,2cyclictest28766-21tr20:55:193
9356991310,2cyclictest28766-21tr20:55:183
9356991310,2cyclictest24291-21grep20:45:273
9356991310,2cyclictest22241-21head19:35:153
9356991310,2cyclictest2006-21sed20:00:173
9356991310,2cyclictest14263-21grep20:25:203
9356991310,2cyclictest11467-21cut20:20:183
9356991310,2cyclictest0-21swapper/321:23:473
935699130,1cyclictest0-21swapper/300:34:193
935699130,12cyclictest4386-21cut00:05:143
935499139,3cyclictest9257-21tr23:10:142
935499139,3cyclictest20167-21cat19:30:192
935499139,3cyclictest11443-21cut21:15:152
935499138,2cyclictest0-21swapper/221:41:302
935499131,11cyclictest22197-21runrttasks23:55:422
9354991310,2cyclictest31786-21grep19:55:172
9354991310,2cyclictest22195-21grep19:35:152
935499130,1cyclictest141rcu_preempt00:29:052
935499130,12cyclictest31575-21wc22:25:002
935099139,3cyclictest24768-21chrt23:38:371
935099139,3cyclictest11078-21grep20:20:161
935099131,12cyclictest2165-21diskmemload00:20:501
9350991310,2cyclictest24014-21http23:00:001
9350991310,2cyclictest22266-21sed19:35:161
9350991310,2cyclictest2150-21cron21:10:001
9350991310,2cyclictest18846-21munin-plugin-st19:30:011
935099130,6cyclictest0-21swapper/121:55:531
934899131,6cyclictest30754-21perf19:55:000
934899131,6cyclictest23606-21munin-run19:39:590
9348991312,1cyclictest0-21swapper/000:26:190
9348991310,2cyclictest8425-21sort22:50:180
9348991310,2cyclictest7526-21cron22:30:000
9348991310,2cyclictest31502-21wc00:20:250
9348991310,2cyclictest18913-21cat19:30:010
9348991310,2cyclictest16579-21cat19:25:000
9348991310,2cyclictest10667-21cat21:15:000
9348991310,2cyclictest10319-21grep19:10:150
934899130,13cyclictest0-21swapper/000:14:180
934899130,12cyclictest0-21swapper/023:30:200
193742130,0sleep00-21swapper/020:35:270
935699129,2cyclictest911-21tr22:25:213
935699129,2cyclictest898-21ssh22:45:073
935699129,2cyclictest898-21ssh22:45:073
935699129,2cyclictest857-21ls21:05:193
935699129,2cyclictest21564-21wc20:40:223
935699129,2cyclictest13246-21tr00:10:173
935699129,2cyclictest12003-21grep19:15:153
935699128,3cyclictest15780-21wc19:20:253
935699128,3cyclictest10888-21chrt23:49:573
935699128,2cyclictest39-21ksoftirqd/320:40:003
935699121,9cyclictest0-21swapper/321:45:223
9356991210,1cyclictest817-21gpgv20:00:003
935699120,1cyclictest0-21swapper/321:50:523
935699120,12cyclictest0-21swapper/322:54:573
935499129,2cyclictest8954-21cut22:30:162
935499129,2cyclictest6751-21grep20:10:182
935499129,2cyclictest5124-21grep23:45:282
935499129,2cyclictest29259-21grep00:20:002
935499129,2cyclictest29109-21grep00:00:162
935499129,2cyclictest24000-21basename23:00:002
935499129,2cyclictest2012-21grep20:00:172
935499129,2cyclictest17154-21sed20:30:282
935499129,2cyclictest14079-21sendmail19:20:002
935499128,3cyclictest32-21ksoftirqd/219:50:112
935499128,3cyclictest31199-21ssh22:05:152
935499128,3cyclictest23438-21tr00:35:172
935499126,2cyclictest32-21ksoftirqd/200:10:522
9354991210,1cyclictest32-21ksoftirqd/200:34:382
935499120,11cyclictest0-21swapper/221:51:352
935099129,2cyclictest9872-21wc20:15:261
935099129,2cyclictest9754-21chrt22:11:131
935099129,2cyclictest9630-21sed22:50:271
935099129,2cyclictest5123-21tr00:05:171
935099129,2cyclictest4677-21grep21:30:171
935099129,2cyclictest4306-21uniq20:05:171
935099129,2cyclictest32608-21sh23:05:001
935099129,2cyclictest29084-21ssh21:25:191
935099129,2cyclictest28394-21ssh00:38:011
935099124,6cyclictest28286-21ssh00:00:131
9350991212,0cyclictest0-21swapper/121:15:151
9350991211,1cyclictest0-21swapper/123:23:081
9350991211,1cyclictest0-21swapper/121:10:121
9350991210,1cyclictest537-21snmpd21:46:121
935099120,1cyclictest0-21swapper/122:04:211
934899129,2cyclictest32288-21tr19:55:210
934899129,2cyclictest25758-21chrt00:17:190
934899129,2cyclictest21929-21sort21:40:190
934899129,2cyclictest2037-21head20:00:180
934899129,2cyclictest20212-21grep19:30:190
934899129,2cyclictest15780-21tr20:30:160
934899129,2cyclictest13146-21apt21:55:010
934899129,2cyclictest10523-21ssh00:08:370
934899129,2cyclictest10055-21sed20:15:270
934899128,3cyclictest758-21tr23:05:130
934899128,3cyclictest30422-21tail21:45:210
934899128,3cyclictest2595-21awk23:45:000
934899128,3cyclictest25495-21grep19:40:250
934899123,2cyclictest225-21systemd-journal20:46:090
934899122,9cyclictest28892-21df_inode00:00:150
934899122,9cyclictest23086-21tr22:20:000
934899121,8cyclictest15773-21/usr/sbin/munin00:30:220
9348991211,1cyclictest0-21swapper/022:57:330
934899120,11cyclictest17442-21grep22:35:170
11632120,4sleep12165-21diskmemload22:45:211
11632120,4sleep12165-21diskmemload22:45:201
935699118,2cyclictest8755-21sh21:13:353
935699118,2cyclictest8406-21basename20:15:143
935699118,2cyclictest32346-21ssh00:20:453
935699118,2cyclictest30451-21taskset19:51:293
935699118,2cyclictest27895-21sed19:45:283
935699118,2cyclictest25063-21sh22:20:213
935699118,2cyclictest23156-21ssh00:35:163
935699118,2cyclictest22834-21grep00:15:263
935699118,2cyclictest20426-21sendmail_mailqu19:30:223
935699118,2cyclictest13539-21ssh21:55:083
935699110,8cyclictest2238-21tr23:25:143
935699110,2cyclictest55750irq/128-enp2s0-21:25:143
935699110,11cyclictest0-21swapper/322:40:403
935699110,10cyclictest30762-21head21:00:183
935499119,1cyclictest13301-21grep20:25:152
935499118,2cyclictest32009-21chrt00:20:292
935499118,2cyclictest30027-21basename21:00:122
935499118,2cyclictest29584-21chrt20:58:062
935499118,2cyclictest29584-21chrt20:58:052
935499118,2cyclictest23992-21ssh21:22:222
935499118,2cyclictest23839-21taskset19:40:062
935499118,2cyclictest23453-21grep20:45:192
935499118,2cyclictest22402-21cron20:45:002
935499118,2cyclictest2079-21sh22:46:032
935499118,2cyclictest2079-21sh22:46:022
935499118,2cyclictest20362-21cat23:35:252
935499118,2cyclictest16786-21cut22:35:142
935499118,2cyclictest16644-21ssh21:56:132
935499118,2cyclictest11150-21ssh22:12:192
935499118,2cyclictest1112-21cat21:05:212
935499117,3cyclictest9141-21head20:15:182
935499110,10cyclictest2199-21ssh21:29:022
935099118,2cyclictest6618-21ssh21:50:221
935099118,2cyclictest5957-21chrt20:10:001
935099118,2cyclictest373-21ssh23:05:011
935099118,2cyclictest3191-21ntpq23:25:201
935099118,2cyclictest24080-21cat19:40:131
935099118,2cyclictest22636-21taskset20:45:061
935099118,2cyclictest22365-21ssh21:40:231
935099118,2cyclictest18188-21ssh00:12:581
935099118,2cyclictest17355-21ssh23:15:071
935099118,2cyclictest1534-21grep22:25:281
935099118,2cyclictest15070-21grep19:20:171
935099118,2cyclictest12694-21tail19:15:181
935099116,2cyclictest7045-21cut00:25:191
935099111,3cyclictest0-21swapper/120:35:161
9350991110,1cyclictest0-21swapper/120:50:201
935099110,10cyclictest32050-21wc19:55:191
935099110,10cyclictest133172sleep122:32:491
934899118,2cyclictest7387-21cut22:10:160
934899118,2cyclictest3483-21grep23:45:180
934899118,2cyclictest31839-21ssh21:26:530
934899118,2cyclictest27954-21chrt22:03:270
934899118,2cyclictest25666-21ssh23:20:030
934899118,2cyclictest25029-21sed00:35:280
934899118,2cyclictest2222-21grep23:25:140
934899118,2cyclictest1937-21ssh22:45:550
934899118,2cyclictest1937-21ssh22:45:550
934899118,2cyclictest13427-21ssh21:35:180
934899118,2cyclictest12895-21uname19:15:200
934899118,2cyclictest12041-21ssh22:31:490
934899116,2cyclictest225-21systemd-journal21:20:270
934899110,10cyclictest25280-21sed23:00:150
935699108,1cyclictest7815-21chrt20:11:183
935699108,1cyclictest175772sleep320:34:183
935699108,1cyclictest17494-21ssh22:15:423
935699108,1cyclictest17016-21cut19:25:143
935699108,1cyclictest11487-21chrt19:12:293
935699107,2cyclictest4120-21grep20:05:153
935499108,1cyclictest9806-21grep19:10:132
935499108,1cyclictest25269-21apache_volume20:50:142
935499108,1cyclictest18278-21expr20:35:172
935499108,1cyclictest17461-21grep19:25:162
935499108,1cyclictest16435-21chrt19:24:412
935499107,2cyclictest5686-21chrt20:09:292
935499107,2cyclictest26971-21head19:45:192
935499107,2cyclictest12152-21run-parts20:20:252
935099108,1cyclictest30470-21rm22:05:041
935099108,1cyclictest211482sleep119:34:141
935099108,1cyclictest12334-21ssh23:30:291
935099107,2cyclictest9090-21rm23:10:121
935099107,2cyclictest30106-21tr21:00:141
935099107,2cyclictest29408-21sed19:50:151
935099107,2cyclictest13425-21expr20:25:151
935099101,7cyclictest26261-21apt-get19:45:151
935099100,9cyclictest27978-21expr20:55:131
935099100,9cyclictest27978-21expr20:55:131
934899108,1cyclictest916-21cat21:05:200
934899108,1cyclictest11576-21tail20:20:190
934899107,2cyclictest6005-21apache_processe20:10:120
934899107,2cyclictest3912-21tr20:05:150
934899107,2cyclictest28183-21df20:55:140
934899107,2cyclictest28183-21df20:55:140
934899107,2cyclictest23607-21wget22:20:120
934899102,7cyclictest28373-21munin-run19:50:000
93509997,1cyclictest202682sleep120:40:091
93509997,1cyclictest15845-21cat20:30:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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