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2026-02-19 - 10:09
[ 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 Thu Feb 19, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3168029177,9sleep00-21swapper/019:06:330
3191429077,9sleep20-21swapper/219:09:372
3161128572,9sleep30-21swapper/319:05:403
3177927659,13sleep10-21swapper/119:07:511
3203699321,21cyclictest24840-21diskmemload23:20:101
3203699310,0cyclictest0-21swapper/122:58:141
3203699301,28cyclictest17517-21latency_hist23:59:591
3203699300,22cyclictest24840-21diskmemload23:39:441
3203699300,22cyclictest0-21swapper/121:40:241
3203699300,10cyclictest0-21swapper/122:33:541
3203699291,23cyclictest24840-21diskmemload23:34:521
3203699290,28cyclictest0-21swapper/122:15:161
3203699290,1cyclictest0-21swapper/122:43:311
3204299280,4cyclictest24674-21ssh23:25:153
3203699280,22cyclictest0-21swapper/122:01:081
3203699280,16cyclictest0-21swapper/122:06:111
3203699260,24cyclictest0-21swapper/123:54:281
3203699260,0cyclictest0-21swapper/100:08:301
3203699250,24cyclictest0-21swapper/123:14:341
3203699250,23cyclictest0-21swapper/122:35:171
3203699250,22cyclictest24840-21diskmemload00:10:261
3203699250,1cyclictest0-21swapper/123:07:431
3203699250,15cyclictest24840-21diskmemload21:28:041
3203699250,0cyclictest0-21swapper/100:24:511
32042992424,0cyclictest0-21swapper/321:43:353
3204299240,23cyclictest0-21swapper/321:13:013
3204099240,24cyclictest0-21swapper/221:13:012
3203699242,22cyclictest24840-21diskmemload22:22:481
3203699241,22cyclictest0-21swapper/123:45:151
3203699240,23cyclictest0-21swapper/123:29:201
3203699240,23cyclictest0-21swapper/100:28:541
3203699240,21cyclictest0-21swapper/121:31:101
3203699240,20cyclictest0-21swapper/123:03:461
3203699240,1cyclictest0-21swapper/123:19:051
32042992323,0cyclictest0-21swapper/319:30:133
3203699230,22cyclictest0-21swapper/100:02:271
3203699230,21cyclictest0-21swapper/122:50:101
3204099220,22cyclictest0-21swapper/200:27:572
3204099220,22cyclictest0-21swapper/200:20:592
3203699222,19cyclictest20878-21vmstat21:45:271
3203699221,20cyclictest11026-21awk22:00:001
3203699220,21cyclictest0-21swapper/122:47:521
3203699220,21cyclictest0-21swapper/121:15:031
3203699220,20cyclictest0-21swapper/122:10:561
3203699220,1cyclictest0-21swapper/122:25:121
3203699220,19cyclictest0-21swapper/121:50:051
3204299210,21cyclictest0-21swapper/300:20:593
3204299210,20cyclictest0-21swapper/300:27:573
3203699211,18cyclictest24840-21diskmemload00:37:091
3203699211,18cyclictest22125-21kworker/1:121:36:001
3203699210,20cyclictest0-21swapper/100:15:131
32040992019,1cyclictest32-21ksoftirqd/222:14:052
3204099200,1cyclictest0-21swapper/223:15:592
3204099200,18cyclictest0-21swapper/223:37:562
3203699202,17cyclictest0-21swapper/123:40:131
3203699200,1cyclictest0-21swapper/120:35:141
3203699200,19cyclictest0-21swapper/120:15:141
3203699200,16cyclictest0-21swapper/121:24:281
32033992019,1cyclictest13-21ksoftirqd/022:43:310
3204299190,18cyclictest0-21swapper/322:24:203
32040991918,1cyclictest0-21swapper/222:42:252
3204099190,0cyclictest0-21swapper/222:22:472
3203699191,16cyclictest3398-21apache_volume00:30:101
3203699190,1cyclictest0-21swapper/121:10:121
3203699190,19cyclictest0-21swapper/119:45:141
3203699190,13cyclictest0-21swapper/120:20:121
3203699190,12cyclictest0-21swapper/120:00:131
3203399190,1cyclictest0-21swapper/023:19:480
3203399190,1cyclictest0-21swapper/022:28:110
32040991817,1cyclictest0-21swapper/221:45:562
3204099181,13cyclictest0-21swapper/223:21:432
3204099180,18cyclictest0-21swapper/222:54:112
3204099180,18cyclictest0-21swapper/221:24:182
3204099180,18cyclictest0-21swapper/221:00:342
3203699184,8cyclictest25-21ksoftirqd/119:55:141
3203699181,14cyclictest16264-21munin-run19:45:011
3203699181,14cyclictest16264-21munin-run19:45:001
3203699180,1cyclictest0-21swapper/119:50:191
32042991713,3cyclictest24840-21diskmemload00:03:053
3204299170,16cyclictest0-21swapper/323:45:343
3204299170,16cyclictest0-21swapper/321:27:353
3204099170,1cyclictest0-21swapper/223:02:202
3204099170,0cyclictest0-21swapper/223:45:342
3203699171,15cyclictest0-21swapper/119:30:001
3203399179,4cyclictest19148-21grep21:45:140
3203399173,13cyclictest29044-21hwlatdetect22:10:180
3203399170,1cyclictest141rcu_preempt22:20:060
3204299164,11cyclictest24840-21diskmemload22:16:223
32042991614,1cyclictest39-21ksoftirqd/321:21:283
3204299160,1cyclictest0-21swapper/322:00:473
3204099167,9cyclictest32-21ksoftirqd/200:30:222
3204099160,16cyclictest0-21swapper/223:34:392
3204099160,16cyclictest0-21swapper/221:27:352
3204099160,12cyclictest0-21swapper/223:25:142
3203699169,6cyclictest6389-21taskset19:20:401
3203399162,6cyclictest30817-21awk20:15:000
3203399160,11cyclictest17600-21runrttasks23:00:570
3204299151,8cyclictest0-21swapper/322:39:273
3204299151,13cyclictest0-21swapper/323:34:263
3204299150,1cyclictest0-21swapper/322:31:023
3204299150,15cyclictest0-21swapper/323:11:533
32040991514,1cyclictest0-21swapper/222:26:412
32040991510,2cyclictest26857-21sh22:47:252
3204099150,15cyclictest0-21swapper/200:07:042
3203699158,6cyclictest23973-21tr21:05:211
3203699158,6cyclictest1504-21grep19:10:251
3203699151,12cyclictest2726-21df_abs19:15:141
3203699151,12cyclictest20909-21fschecks_count21:00:171
3203699150,14cyclictest0-21swapper/119:35:161
267912150,0sleep30-21swapper/322:09:193
32042991410,3cyclictest4893-21grep19:20:143
3204099149,4cyclictest32-21ksoftirqd/200:12:382
3204099145,8cyclictest7948-21ssh22:36:032
32040991413,1cyclictest0-21swapper/222:05:582
32040991411,2cyclictest311rcuc/219:40:142
32040991411,2cyclictest311rcuc/219:40:132
3204099140,3cyclictest0-21swapper/221:16:292
3204099140,2cyclictest0-21swapper/222:30:092
3204099140,1cyclictest141rcu_preempt21:33:032
3204099140,14cyclictest0-21swapper/200:39:022
3203699148,5cyclictest30509-21taskset20:11:271
3203699147,6cyclictest7546-21cat20:30:241
3203699141,9cyclictest225-21systemd-journal20:49:591
3203699141,12cyclictest4354-21gltestperf20:25:181
3203699140,1cyclictest0-21swapper/120:05:131
3203699140,12cyclictest0-21swapper/120:55:161
3203399149,5cyclictest22350-21apache223:53:090
3203399147,6cyclictest29462-21unixbench_singl00:25:300
3203399147,2cyclictest0-21swapper/023:36:070
3203399145,5cyclictest0-21swapper/022:45:130
3203399144,9cyclictest6759-21idleruntime-cro19:25:000
3203399141,7cyclictest6083-21munin-run22:54:590
3203399141,6cyclictest20027-21munin-run20:59:590
3203399141,4cyclictest0-21swapper/019:50:310
3203399141,12cyclictest24979-21sh22:07:530
3203399140,5cyclictest0-21swapper/021:30:120
3204299135,2cyclictest27785-21df21:50:143
3204299131,8cyclictest49-21kcompactd000:35:013
32042991310,2cyclictest7952-21ls22:55:223
32042991310,2cyclictest26387-21grep20:05:143
32042991310,2cyclictest22776-21cron23:05:003
32042991310,2cyclictest16650-21basename19:45:143
32042991310,2cyclictest0-21swapper/321:39:243
3204299130,2cyclictest0-21swapper/323:21:443
3204099139,3cyclictest5380-21head19:20:162
32040991310,2cyclictest6789-21sed20:30:162
3204099130,1cyclictest0-21swapper/223:43:282
3204099130,13cyclictest0-21swapper/221:38:192
3204099130,12cyclictest29150-21grep21:50:252
3204099130,12cyclictest0-21swapper/221:40:182
3203699137,5cyclictest11561-21sed20:40:181
3203699137,5cyclictest11254-21chrt19:32:111
3203699131,10cyclictest0-21swapper/120:50:131
3203399138,3cyclictest10823-21wc23:55:190
3203399133,7cyclictest0-21swapper/000:20:120
32033991310,2cyclictest9321-21cat21:20:010
32033991310,2cyclictest3657-21tr00:30:130
32033991310,2cyclictest25907-21tr23:25:220
32033991310,2cyclictest24152-21wc21:05:260
32033991310,2cyclictest18380-21sed23:40:220
32033991310,2cyclictest12554-21grep00:35:160
32033991310,2cyclictest11729-21wc21:40:180
32033991310,2cyclictest0-21swapper/000:08:030
3203399130,8cyclictest0-21swapper/023:24:010
3203399130,8cyclictest0-21swapper/022:03:570
3203399130,12cyclictest10047-21cron21:40:010
3204299129,2cyclictest2486-21seq21:15:193
3204299129,2cyclictest23174-21head22:45:173
3204299129,2cyclictest22379-21cat19:55:203
3204299129,2cyclictest21181-21grep22:25:133
3204299129,2cyclictest20655-21cat21:45:253
3204299129,2cyclictest17161-21grep23:40:143
3204299129,2cyclictest12902-21basename20:44:593
3204299129,2cyclictest11766-21basename19:35:143
3204299129,2cyclictest10962-21tr00:15:143
3204299128,2cyclictest16667-21cat23:40:003
3204299127,2cyclictest225-21systemd-journal20:59:593
3204299124,5cyclictest26943-21grep00:05:143
3204299120,11cyclictest1775-21cut21:35:013
3204099129,2cyclictest9099-21ssh23:55:002
3204099129,2cyclictest6664-21basename22:55:142
3204099129,2cyclictest3369-21sh20:24:592
3204099129,2cyclictest24009-21grep20:00:142
3204099129,2cyclictest19628-21head19:50:182
3204099129,2cyclictest0-21swapper/223:11:182
3204099122,9cyclictest55750irq/128-enp2s0-23:05:122
32040991210,1cyclictest0-21swapper/222:00:282
3204099120,11cyclictest592-21cut19:10:152
3203399129,2cyclictest4854-21ssh22:15:150
3203399129,2cyclictest4410-21sed20:25:180
3203399129,2cyclictest362-21cut23:30:120
3203399129,2cyclictest2915-21grep20:20:240
3203399129,2cyclictest1140-21wc20:20:010
3203399129,2cyclictest11273-21df20:40:160
3203399128,3cyclictest18526-21grep21:25:180
3203399128,3cyclictest13321-21wc19:35:270
3203399121,5cyclictest25371-21ssh21:10:130
3203399120,6cyclictest13120-21sshd20:45:060
3203399120,11cyclictest27319-21head20:05:220
3203399120,11cyclictest23594-21tr23:05:140
3204299119,1cyclictest2945-21head19:15:163
3204299119,1cyclictest21926-21grep21:00:403
3204299118,2cyclictest8936-21ls23:15:203
3204299118,2cyclictest6968-21ssh00:31:393
3204299118,2cyclictest5584-21ssh21:55:473
3204299118,2cyclictest5019-21ssh00:10:593
3204299118,2cyclictest3778-21wget20:25:153
3204299118,2cyclictest3354-21ssh23:50:303
3204299118,2cyclictest3152-21seq20:22:183
3204299118,2cyclictest31513-21sed22:50:173
3204299118,2cyclictest24039-21expr20:00:143
3204299118,2cyclictest23406-21cut23:05:123
3204299118,2cyclictest18571-21ssh22:42:413
3204299118,2cyclictest14908-21cut19:40:163
3204299118,2cyclictest14908-21cut19:40:163
3204299118,2cyclictest14150-21cat20:45:203
3204299118,2cyclictest11251-21ssh23:55:243
3204299111,2cyclictest24840-21diskmemload22:12:183
3204099118,2cyclictest6819-21ssh22:15:532
3204099118,2cyclictest5617-21taskset20:28:302
3204099118,2cyclictest24093-21sendmail_mailtr21:05:222
3204099118,2cyclictest20071-21rm00:00:332
3204099118,2cyclictest15719-21egrep20:50:142
3204099118,2cyclictest13505-21cat20:45:162
3204099118,2cyclictest11679-21ssh23:55:282
3204099113,1cyclictest225-21systemd-journal19:15:022
3204099111,8cyclictest4732-21sensors21:55:232
3204099110,4cyclictest225-21systemd-journal20:59:592
3203399118,2cyclictest7784-21head19:25:170
3203399118,2cyclictest7380-21grep22:55:180
3203399118,2cyclictest6117-21grep20:30:140
3203399118,2cyclictest5126-21ssh00:11:020
3203399118,2cyclictest4871-21chrt22:35:020
3203399118,2cyclictest3703-21sh23:12:220
3203399118,2cyclictest3610-21sh21:55:130
3203399118,2cyclictest31485-21ssh21:52:120
3203399118,2cyclictest29490-21tr22:30:130
3203399118,2cyclictest25419-21sed20:00:250
3203399118,2cyclictest18807-21sed00:00:170
3203399118,2cyclictest16818-21wc19:45:150
3203399118,2cyclictest12953-21ssh00:15:390
3203399118,2cyclictest11655-21ssh21:20:270
3203399118,2cyclictest10014-21grep20:35:250
3203399117,3cyclictest1566-21grep19:10:250
3203399117,2cyclictest15753-21tr20:50:150
3203399113,3cyclictest27385-21users23:45:260
3204299108,1cyclictest87772sleep319:25:513
3204299108,1cyclictest77872sleep320:30:503
3204299108,1cyclictest30700-21seq20:13:573
3204299108,1cyclictest24206-21seq21:05:253
3204299108,1cyclictest18913-21cut19:50:143
3204299108,1cyclictest15832-21cat20:50:153
3204299107,2cyclictest9612-21grep20:35:213
3204299107,2cyclictest562-21head19:10:153
3204099108,1cyclictest7406-21expr19:25:142
3204099108,1cyclictest31550-21cut20:15:152
3204099108,1cyclictest22640-21gzip19:55:222
3204099108,1cyclictest17339-21basename19:45:172
3204099108,1cyclictest137422sleep219:38:412
3204099108,1cyclictest11996-21sh00:15:202
3204099108,1cyclictest113822sleep219:33:522
3204099108,1cyclictest11091-21cat20:40:152
3204099107,2cyclictest29875-21open_inodes20:10:202
3204099107,2cyclictest27277-21open_inodes20:05:222
3203399108,1cyclictest3679-21cat19:15:240
3203399108,1cyclictest22215-21cut19:55:200
3203399108,1cyclictest112462sleep019:32:050
3203399107,2cyclictest22472-21latency_hist21:05:000
320429991,2cyclictest225-21systemd-journal20:20:013
320409997,1cyclictest8695-21cat20:35:152
320339996,2cyclictest14102-21chrt19:40:030
320339996,2cyclictest14102-21chrt19:40:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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