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2026-02-07 - 01:14
[ 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 highest latencies:
System rackaslot8s.osadl.org (updated Fri Feb 06, 2026 12:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
166599234229,3cyclictest800-21lspci11:19:560
12502228103,98sleep20-21swapper/207:08:152
1129216082,17sleep00-21swapper/007:06:410
1264214896,26sleep10-21swapper/107:08:261
10502144108,25sleep30-21swapper/307:05:393
1668999489,3cyclictest2035-21lspci11:20:103
134942740,2sleep30-21swapper/308:50:203
256792710,2sleep10-21swapper/112:25:161
36832700,1sleep30-21swapper/312:32:433
13272680,1sleep00-21swapper/009:19:090
270802660,2chrt0-21swapper/309:37:583
227602580,2sleep30-21swapper/310:48:343
32052550,8sleep334-21ksoftirqd/310:08:363
256712550,1sleep20-21swapper/211:14:452
303912540,1sleep20-21swapper/208:15:162
21152540,1chrt0-21swapper/110:07:311
166112500,3chrt0-21swapper/010:44:130
128282500,1sleep1211rcuc/111:05:131
22072490,2sleep10-21swapper/112:31:171
131202490,2sleep30-21swapper/309:51:163
122142480,3sleep011448-21/usr/sbin/munin11:50:200
117602480,1sleep20-21swapper/209:26:062
117602480,1sleep20-21swapper/209:26:052
87712450,3sleep10-21swapper/112:36:081
208082440,1sleep20-21swapper/211:56:142
161282440,3sleep00-21swapper/012:18:160
113302430,2chrt0-21swapper/010:14:590
236182410,2sleep20-21swapper/210:49:252
139023831,3sleep30-21swapper/307:10:013
154892320,10sleep228-21ksoftirqd/210:17:262
80272290,9sleep334-21ksoftirqd/310:37:273
178222290,2sleep00-21swapper/011:30:250
185442280,2chrt0-21swapper/210:20:042
166799285,13cyclictest29545-21ssh09:40:112
71792270,12sleep122-21ksoftirqd/107:20:211
262882270,3sleep30-21swapper/312:25:223
231692270,4sleep0131rcuc/008:00:000
278672260,2sleep20-21swapper/209:38:462
166899261,10cyclictest11223-21latency_hist11:50:003
166699261,24cyclictest0-21swapper/107:11:241
1665992623,2cyclictest0-21swapper/007:12:220
107782260,2sleep10-21swapper/110:40:011
166899250,13cyclictest64050snmpd11:33:093
1665992516,7cyclictest21145-21diskmemload10:33:160
222202240,1sleep20-21swapper/209:10:172
166799243,9cyclictest55152fw_packets10:10:162
1667992417,5cyclictest29064-21ssh12:27:322
166799241,22cyclictest0-21swapper/207:11:462
166599241,10cyclictest256492needreboot10:50:210
261342230,14sleep334-21ksoftirqd/310:50:263
1668992313,7cyclictest25918-21fw_packets08:05:143
166899231,19cyclictest19178-21perl10:20:143
166799232,15cyclictest31999-21ssh12:30:122
1667992312,7cyclictest3857-21rt-features09:20:222
1667992310,8cyclictest52950irq/141-enp3s0-12:15:082
1666992314,6cyclictest560-21dbus-daemon11:20:001
1666992314,6cyclictest32238-21diskstats12:05:161
1665992315,5cyclictest13177-21sh09:51:200
1665992313,7cyclictest32043-21perl10:55:170
1665992313,7cyclictest32043-21perl10:55:160
104912230,1sleep30-21swapper/309:25:233
104912230,1sleep30-21swapper/309:25:223
44712220,3sleep00-21swapper/010:35:140
234002220,2sleep10-21swapper/110:49:121
1668992214,5cyclictest18950irq/143-ahci[0010:44:593
1668992213,7cyclictest10744-21perl07:30:153
1668992213,7cyclictest10159-21fw_packets11:25:163
1668992210,8cyclictest11460-21apt-get12:15:093
166799222,14cyclictest11059-21ssh10:40:122
166699224,13cyclictest23255-21ssh11:35:031
1666992214,5cyclictest53050irq/142-enp3s0-12:00:121
1666992211,9cyclictest636-21runrttasks10:20:271
166599221,5cyclictest0-21swapper/011:10:000
1665992214,6cyclictest560-21dbus-daemon08:35:000
1665992214,6cyclictest1372-21cron08:24:590
1665992213,7cyclictest4091-21users11:20:260
1665992213,6cyclictest24580-21cron12:00:000
1665992213,6cyclictest23891-21idleruntime08:00:150
37392210,1sleep30-21swapper/309:20:213
166899217,11cyclictest29738-21cat09:40:133
1668992114,4cyclictest30138-21sh09:15:313
1668992113,6cyclictest32323-21fschecks_time12:05:163
1668992113,6cyclictest14161-21ls11:05:243
1668992112,6cyclictest278-21systemd-journal11:19:593
166799219,8cyclictest550-21systemd-logind11:19:572
1667992114,5cyclictest28-21ksoftirqd/211:25:002
1667992110,7cyclictest5916-21apt-get11:00:122
166699218,4cyclictest18626-21ssh11:55:161
166699212,14cyclictest31525-21ssh10:55:121
166699212,14cyclictest31525-21ssh10:55:121
1666992110,9cyclictest21145-21diskmemload09:19:401
166599211,9cyclictest7260-21python311:00:240
1665992115,4cyclictest14996-21cpuspeed_turbos08:55:120
1665992113,6cyclictest28815-21seq09:39:440
1665992113,6cyclictest12045-21seq07:33:120
1665992113,5cyclictest4849-21cstates11:45:130
1665992112,6cyclictest9348-21timerandwakeup08:40:220
1665992112,6cyclictest25336-21grep12:25:130
1665992111,7cyclictest26978-21seq08:05:260
1665992111,7cyclictest17034-21needreboot09:30:190
94912200,1sleep30-21swapper/312:13:253
81712200,1sleep30-21swapper/307:25:133
1668992015,3cyclictest29489-21sh08:15:003
1668992013,5cyclictest7909-21turbostat.cron07:25:003
1668992013,4cyclictest4413-21sh10:58:593
1668992013,4cyclictest4413-21sh10:58:583
1668992012,6cyclictest30198-21perl08:15:133
1668992012,6cyclictest22915-21seq11:12:033
1668992012,6cyclictest20160-21sensors_temp07:50:223
1668992012,6cyclictest10692-21cat08:45:123
1668992012,5cyclictest21145-21diskmemload10:31:343
166799202,13cyclictest75-21kswapd009:50:102
166799202,13cyclictest11491-21ssh11:50:132
166799202,12cyclictest75-21kswapd010:50:142
166799202,12cyclictest29650-21apt-get10:30:122
1667992013,5cyclictest28-21ksoftirqd/211:35:002
1667992013,5cyclictest2558-21ntp_states08:25:212
1667992012,6cyclictest29505-21basename08:15:002
1667992011,7cyclictest16393-21seq07:42:232
1667992010,6cyclictest52950irq/141-enp3s0-10:35:132
166699208,4cyclictest21145-21diskmemload10:03:281
166699205,4cyclictest141rcu_preempt10:50:241
166699204,4cyclictest21145-21diskmemload10:25:161
1666992012,6cyclictest278-21systemd-journal11:20:171
1666992010,6cyclictest278-21systemd-journal10:15:001
166599201,8cyclictest21145-21diskmemload09:42:240
1665992015,3cyclictest24698-21sendmail_mailst11:35:230
1665992014,4cyclictest31374-21pmu-power11:40:210
1665992014,4cyclictest14816-21sh10:16:450
1665992013,5cyclictest24991-21seq09:12:070
1665992013,3cyclictest52750irq/139-enp3s0-10:49:010
166599201,2cyclictest0-21swapper/012:23:590
1665992012,6cyclictest9737-21seq07:26:060
1665992012,6cyclictest14699-21cat07:40:100
1665992012,6cyclictest12771-21expr08:50:120
1665992012,5cyclictest25959-21grep10:25:150
166599201,17cyclictest8584-21ssh09:24:380
1665992011,6cyclictest17404-21expr07:45:170
162022200,2sleep00-21swapper/011:30:000
86592190,2chrt0-21swapper/207:25:152
166899197,3cyclictest141rcu_preempt11:03:533
166899196,4cyclictest141rcu_preempt09:45:013
166899192,4cyclictest141rcu_preempt09:55:133
1668991913,4cyclictest300-21sh11:41:123
1668991913,4cyclictest29663-21sh10:04:213
1668991913,4cyclictest27865-21sh10:26:093
1668991913,4cyclictest15913-21sh09:30:033
1668991912,5cyclictest7041-21smartctl12:35:153
1668991912,5cyclictest25390-21expr12:00:143
1668991912,5cyclictest24801-21sh09:11:563
1668991911,6cyclictest6773-21grep08:35:193
1668991911,6cyclictest5361-21awk07:15:253
1668991911,6cyclictest278-21systemd-journal10:19:553
1668991911,6cyclictest19756-21cat11:55:253
1668991911,6cyclictest19687-21python312:20:243
1668991911,6cyclictest15440-21ls07:40:173
1668991911,6cyclictest12782-21which11:50:243
1668991910,7cyclictest20558-21date09:05:233
1668991910,6cyclictest52850irq/140-enp3s0-10:10:113
166799196,11cyclictest0-21swapper/210:05:182
166799192,15cyclictest23601-21awk09:59:592
1667991916,2cyclictest281ksoftirqd/211:00:002
1667991916,2cyclictest281ksoftirqd/211:00:002
166799191,5cyclictest30906-21ssh11:40:152
166799191,5cyclictest0-21swapper/210:00:162
1667991915,2cyclictest14444-21latency_hist07:40:002
1667991913,4cyclictest28-21ksoftirqd/212:40:002
1667991912,5cyclictest23547-21expr11:35:132
1667991912,5cyclictest17522-21cut07:45:192
1667991911,6cyclictest5263-21sed09:45:252
1667991911,6cyclictest12003-21seq07:32:402
1667991911,5cyclictest52950irq/141-enp3s0-12:24:582
166799191,15cyclictest28846-21grep09:15:152
1667991910,7cyclictest5294-21awk07:15:232
166699199,8cyclictest21145-21diskmemload09:35:531
166699199,7cyclictest31178-21awk08:15:221
166699195,4cyclictest31356-21grep11:40:201
166699194,3cyclictest21145-21diskmemload09:33:521
166699192,12cyclictest18357-21apt-get12:20:131
166699191,7cyclictest7526-21grep11:00:251
1666991912,5cyclictest30316-21sed09:40:171
1666991912,4cyclictest22825-21apt-key11:35:001
1666991912,4cyclictest21145-21diskmemload09:48:481
1666991912,4cyclictest18339-21sh09:55:211
1666991911,6cyclictest9034-21open_inodes08:40:191
1666991911,6cyclictest278-21systemd-journal08:15:001
1666991911,6cyclictest1491-21seq10:32:531
1666991911,6cyclictest13266-21cat07:35:201
166699191,15cyclictest6285-21grep11:45:241
1666991911,4cyclictest11546-21sh10:40:141
1666991910,7cyclictest21145-21diskmemload10:17:531
1666991910,7cyclictest15856-21tr07:40:221
1666991910,6cyclictest8411-21expr07:25:131
1666991910,5cyclictest53050irq/142-enp3s0-11:10:111
1665991914,3cyclictest7440-21ntp_offset12:35:190
1665991914,3cyclictest19689-21latency07:50:170
1665991913,4cyclictest8399-21sh12:12:200
1665991913,4cyclictest32217-21sh12:05:150
1665991913,4cyclictest26154-21sh10:00:500
1665991913,4cyclictest11371-21sh08:45:200
1665991913,3cyclictest21201-21sh10:21:110
1665991913,3cyclictest17102-21sh09:55:020
1665991912,4cyclictest9948-21gltestperf09:25:170
1665991912,4cyclictest9948-21gltestperf09:25:170
1665991912,4cyclictest5786-21sh12:34:480
1665991911,6cyclictest5536-21seq07:17:270
1665991911,6cyclictest30011-21cat08:15:110
1665991911,6cyclictest19810-21expr11:10:140
1665991911,5cyclictest4178-21expr09:45:150
1665991911,5cyclictest26624-21grep12:00:250
1665991910,6cyclictest6828-21ntpq08:35:200
166899188,7cyclictest17209-21cat07:45:163
1668991813,3cyclictest25794-21sh11:36:033
1668991812,4cyclictest21480-21sh07:55:143
1668991811,5cyclictest4010-21expr08:30:143
1668991810,6cyclictest23293-21cat08:00:093
1668991810,6cyclictest14544-21date07:40:003
166799189,6cyclictest3786-21apt08:30:122
166799188,8cyclictest13293-21rm11:27:202
166799186,4cyclictest28-21ksoftirqd/211:45:212
1667991812,4cyclictest1365-21cron08:24:592
1667991811,5cyclictest6590-21hostname07:20:152
1667991811,5cyclictest12880-21expr08:50:122
1667991810,6cyclictest9095-21which08:40:192
1667991810,6cyclictest26737-21mailstats10:25:222
1667991810,6cyclictest19737-21sed07:50:172
1667991810,6cyclictest16606-21cut09:30:162
1667991810,6cyclictest14055-21grep11:05:232
166799180,5cyclictest28-21ksoftirqd/212:00:242
166699189,7cyclictest21145-21diskmemload12:16:321
166699189,6cyclictest560-21dbus-daemon08:50:001
166699184,3cyclictest21145-21diskmemload12:11:251
1666991813,3cyclictest14444-21sh09:52:351
1666991813,3cyclictest12720-21rt-features11:50:231
1666991812,4cyclictest3257-21sh09:20:151
1666991811,5cyclictest6151-21expr08:35:131
1666991811,4cyclictest21145-21diskmemload09:10:051
166699181,14cyclictest10066-21sort11:25:161
1666991810,6cyclictest16501-21seq08:55:541
166699180,16cyclictest9368-21awk09:25:121
166699180,16cyclictest9368-21awk09:25:121
166599182,11cyclictest12454-21apt-get07:35:150
1665991811,5cyclictest31901-21proc_pri10:05:210
1665991811,5cyclictest2992-21ls08:25:240
1665991811,5cyclictest17708-21cat09:00:180
166899179,6cyclictest18482-21cat09:00:253
166899179,6cyclictest15766-21expr08:55:193
166899177,7cyclictest553-21sendmail_mailqu08:20:243
1668991710,5cyclictest8162-21cat08:40:123
166799171,7cyclictest756-21mailstats12:05:242
1667991712,3cyclictest25777-21df08:05:132
1667991710,5cyclictest8045-21cut08:40:002
1667991710,5cyclictest28-21ksoftirqd/212:11:402
1667991710,5cyclictest23026-21cron08:00:002
166699179,6cyclictest1-21systemd08:32:021
166699179,5cyclictest3652-21sed08:30:001
166699179,5cyclictest24458-21mailstats08:00:221
1666991712,3cyclictest25429-21/usr/sbin/munin08:05:111
1666991711,4cyclictest18021-21ntp_offset09:00:201
166599178,7cyclictest20922-21seq09:07:210
1665991711,3cyclictest28160-21hwlatdetect08:10:160
1665991710,5cyclictest6269-21expr07:20:110
166899168,6cyclictest2071-21tune2fs08:25:153
166799169,5cyclictest19883-21cat09:05:162
166799169,5cyclictest12532-21cut08:50:002
166799162,9cyclictest17109-21apt-get09:00:122
1667991611,3cyclictest636-21runrttasks08:55:342
166699168,6cyclictest17697-21uname07:45:201
166699168,5cyclictest32262-21fschecks_count08:20:161
1666991611,3cyclictest636-21runrttasks09:06:231
1666991611,3cyclictest18981-21/usr/sbin/munin07:50:141
166699161,13cyclictest13084-21gltestperf08:50:151
166699161,11cyclictest22310-21python307:55:231
1666991610,3cyclictest3930-21cpuspeed_turbos07:15:121
166799152,3cyclictest25198-21sh08:05:002
166699154,8cyclictest11333-21proc_pri07:30:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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