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2026-02-01 - 19:07
[ 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 #1, slot #2

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 all highest latencies:
System rack1slot2s.osadl.org (updated Sun Feb 01, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811423723,0sleep00-21swapper/007:04:440
304450350,0irq/25-eth10-21swapper/307:02:143
161823526,0sleep20-21swapper/207:00:182
816123329,0sleep10-21swapper/107:05:131
82359965,0cyclictest0-21swapper/109:34:231
82339960,0cyclictest0-21swapper/008:20:140
339960,0migration/312967-21sh09:47:003
29715060,0irq/26-eth0-rx-6368-21perl10:25:293
29715060,0irq/26-eth0-rx-634-21kthreadcore09:40:323
149960,0migration/09877-21munin-node07:30:300
149960,0migration/08205-21kthreadcore11:05:310
149960,0migration/05174-21sh10:24:240
149960,0migration/029222-21sh10:18:330
149960,0migration/013546-21sh09:48:420
82369950,0cyclictest0-21swapper/210:54:082
82369950,0cyclictest0-21swapper/209:30:542
82359950,0cyclictest0-21swapper/112:13:281
82359950,0cyclictest0-21swapper/111:21:071
82359950,0cyclictest0-21swapper/110:36:301
82359950,0cyclictest0-21swapper/109:49:121
82359950,0cyclictest0-21swapper/109:11:501
82359950,0cyclictest0-21swapper/107:55:321
82339955,0cyclictest0-21swapper/012:33:070
82339955,0cyclictest0-21swapper/012:02:510
82339950,0cyclictest0-21swapper/010:30:370
339950,0migration/39173-21dump-pmu-power07:30:173
339950,0migration/38703-21kthreadcore11:45:313
339950,0migration/37106-21kthreadcore08:15:313
339950,0migration/35953-21fschecks_count10:45:293
339950,0migration/329297-21munin-node12:20:293
339950,0migration/326699-21kthreadcore09:15:333
339950,0migration/324835-21kthreadcore07:40:333
339950,0migration/323077-21kthreadcore08:50:333
339950,0migration/32269-21kthreadcore09:00:333
339950,0migration/322575-21kthreadcore12:15:323
339950,0migration/320030-21taskset10:30:503
339950,0migration/319478-21kthreadcore09:30:333
339950,0migration/318037-21kthreadcore07:35:333
339950,0migration/317760-21kthreadcore07:10:343
339950,0migration/316585-21kthreadcore09:50:333
339950,0migration/314809-21gltestperf10:10:313
339950,0migration/314673-21taskset07:07:553
339950,0migration/312471-21munin-node12:10:263
29725050,0irq/27-eth0-tx-32182-21munin-node09:00:330
29725050,0irq/27-eth0-tx-29350-21munin-node07:45:360
29725050,0irq/27-eth0-tx-16048-21munin-node07:35:370
29725050,0irq/27-eth0-tx-0-21swapper/210:40:252
29715050,0irq/26-eth0-rx-6738-21cut12:05:323
29715050,0irq/26-eth0-rx-6559-21runrttasks09:21:593
29715050,0irq/26-eth0-rx-5284-21ssh10:04:003
29715050,0irq/26-eth0-rx-2872-21grep11:20:393
29715050,0irq/26-eth0-rx-26900-21mdstat10:55:343
29715050,0irq/26-eth0-rx-25004-21cut09:35:353
29715050,0irq/26-eth0-rx-23843-21tr10:35:313
29715050,0irq/26-eth0-rx-21890-21irqrtprio11:55:323
29715050,0irq/26-eth0-rx-21777-21if_err_eth111:35:293
29715050,0irq/26-eth0-rx-21012-21ssh10:54:353
29715050,0irq/26-eth0-rx-12565-21ssh11:30:003
29715050,0irq/26-eth0-rx-11989-21cat10:05:403
29715050,0irq/26-eth0-rx-0-21swapper/312:31:013
29715050,0irq/26-eth0-rx-0-21swapper/312:01:433
29715050,0irq/26-eth0-rx-0-21swapper/311:15:203
29715050,0irq/26-eth0-rx-0-21swapper/311:11:073
29715050,0irq/26-eth0-rx-0-21swapper/310:40:533
29715050,0irq/26-eth0-rx-0-21swapper/310:22:423
29715050,0irq/26-eth0-rx-0-21swapper/310:17:193
29715050,0irq/26-eth0-rx-0-21swapper/309:25:293
29715050,0irq/26-eth0-rx-0-21swapper/309:09:203
27150,0ktimersoftd/20-21swapper/212:02:152
249950,0watchdog/28294-21kthreadcore10:05:342
179950,0migration/19960-21latency11:45:311
179950,0migration/14941-21sh09:42:051
179950,0migration/131511-21kthreadcore10:20:351
179950,0migration/130680-21taskset08:31:401
179950,0migration/129508-21sh11:00:231
179950,0migration/121639-21latency_hist10:35:151
179950,0migration/113194-21fschecks_count11:50:311
169950,0watchdog/13514-21snmpd08:55:461
169950,0watchdog/116625-21tail08:20:341
149950,0migration/09650-21unixbench_singl07:50:370
149950,0migration/08810-21kthreadcore10:25:330
149950,0migration/08598-21aten_r1power_vo07:05:270
149950,0migration/07590-21kthreadcore12:05:330
149950,0migration/04970-21kthreadcore07:25:340
149950,0migration/04660-21taskset08:35:400
149950,0migration/04477-21sh10:01:380
149950,0migration/031619-21kthreadcore11:20:320
149950,0migration/031160-21kthreadcore07:20:330
149950,0migration/031013-21kthreadcore11:00:320
149950,0migration/030087-21munin-node08:30:360
149950,0migration/02879-21missed_timers10:40:350
149950,0migration/026162-21kthreadcore07:15:330
149950,0migration/023543-21kthreadcore11:55:330
149950,0migration/022654-21kthreadcore11:35:310
149950,0migration/022625-21latency_hist09:15:160
149950,0migration/020452-21timerwakeupswit09:10:390
149950,0migration/019105-21taskset12:12:230
149950,0migration/01891-21sh11:40:340
149950,0migration/018402-21fschecks_count08:25:290
149950,0migration/018216-21munin-node11:30:330
149950,0migration/017318-21kthreadcore09:30:310
149950,0migration/014393-21df10:10:290
149950,0migration/014195-21kthreadcore08:45:340
149950,0migration/01267-21kthreadcore09:40:320
149950,0migration/012027-21timerwakeupswit10:05:400
149950,0migration/011737-21sh12:29:520
149950,0migration/010155-21kthreadcore09:05:320
82369944,0cyclictest0-21swapper/212:15:392
82369943,0cyclictest9327-21awk07:05:302
82369943,0cyclictest3556-21lldpd08:35:372
82369943,0cyclictest3556-21lldpd08:21:372
82369943,0cyclictest3514-21snmpd11:52:152
82369943,0cyclictest3514-21snmpd11:49:452
82369943,0cyclictest3514-21snmpd11:34:302
82369943,0cyclictest3514-21snmpd11:11:142
82369943,0cyclictest3514-21snmpd10:55:442
82369943,0cyclictest3514-21snmpd10:38:142
82369943,0cyclictest3514-21snmpd10:26:142
82369943,0cyclictest3514-21snmpd10:13:292
82369943,0cyclictest3514-21snmpd09:02:432
82369943,0cyclictest3514-21snmpd08:58:132
82369943,0cyclictest3514-21snmpd07:49:282
82369943,0cyclictest3514-21snmpd07:41:282
82369943,0cyclictest3514-21snmpd07:18:282
82369943,0cyclictest3241-21irqbalance11:35:442
82369943,0cyclictest3241-21irqbalance11:05:242
82369943,0cyclictest3241-21irqbalance10:30:442
82369943,0cyclictest3241-21irqbalance10:15:242
82369943,0cyclictest3241-21irqbalance10:04:342
82369943,0cyclictest3241-21irqbalance09:46:142
82369943,0cyclictest3241-21irqbalance09:27:342
82369943,0cyclictest3241-21irqbalance08:30:252
82369943,0cyclictest3241-21irqbalance08:25:252
82369943,0cyclictest3241-21irqbalance07:10:452
82369943,0cyclictest31114-21awk10:20:342
82369943,0cyclictest30479-21awk11:00:312
82369943,0cyclictest30092-21awk11:20:302
82369943,0cyclictest24582-21awk08:05:322
82369943,0cyclictest23662-21awk09:35:332
82369943,0cyclictest17927-21awk08:00:312
82369943,0cyclictest17927-21awk08:00:312
82369943,0cyclictest14365-21munin-node09:50:292
82369943,0cyclictest13081-21awk12:30:352
82369940,0cyclictest0-21swapper/209:44:182
82359943,0cyclictest7587-21awk09:25:331
82359943,0cyclictest7439-21awk09:05:301
82359943,0cyclictest6939-21awk10:05:321
82359943,0cyclictest6441-21awk08:40:301
82359943,0cyclictest6268-21crond09:05:161
82359943,0cyclictest3514-21snmpd10:27:441
82359943,0cyclictest3241-21irqbalance11:33:141
82359943,0cyclictest32087-21awk08:35:321
82359943,0cyclictest25284-21sadc08:55:161
82359943,0cyclictest22986-21awk10:15:301
82359943,0cyclictest21884-21awk11:35:301
82359943,0cyclictest21257-21sadc10:55:151
82359943,0cyclictest15250-21awk09:50:311
82359943,0cyclictest10279-21awk07:30:321
82339944,0cyclictest0-21swapper/010:45:160
82339944,0cyclictest0-21swapper/009:57:210
82339944,0cyclictest0-21swapper/009:29:080
82339943,0cyclictest4328-21sadc08:15:170
82339943,0cyclictest3960-21awk09:20:340
82339943,0cyclictest3241-21irqbalance11:25:340
82339943,0cyclictest17849-21awk08:00:300
82339943,0cyclictest17849-21awk08:00:300
82339943,0cyclictest14109-21awk11:10:300
82339943,0cyclictest12122-21awk08:20:310
339940,0migration/39759-21kthreadcore08:40:323
339940,0migration/33124-21taskset07:47:383
339940,0migration/326710-21kthreadcore08:05:343
339940,0migration/326111-21kthreadcore09:55:353
339940,0migration/325834-21cpuspeed_turbos08:55:283
339940,0migration/316006-21kthreadcore11:50:353
29725040,0irq/27-eth0-tx-22855-21telnet07:40:280
29725040,0irq/27-eth0-tx-14153-21ssh09:10:102
29725040,0irq/27-eth0-tx-0-21swapper/212:20:462
29725040,0irq/27-eth0-tx-0-21swapper/212:10:242
29725040,0irq/27-eth0-tx-0-21swapper/211:43:012
29725040,0irq/27-eth0-tx-0-21swapper/211:27:342
29725040,0irq/27-eth0-tx-0-21swapper/209:23:012
29725040,0irq/27-eth0-tx-0-21swapper/209:10:482
29725040,0irq/27-eth0-tx-0-21swapper/008:55:340
29725040,0irq/27-eth0-tx-0-21swapper/008:50:310
29715040,0irq/26-eth0-rx-0-21swapper/312:25:293
29715040,0irq/26-eth0-rx-0-21swapper/311:40:263
29715040,0irq/26-eth0-rx-0-21swapper/311:32:553
29715040,0irq/26-eth0-rx-0-21swapper/311:05:193
29715040,0irq/26-eth0-rx-0-21swapper/311:03:003
29715040,0irq/26-eth0-rx-0-21swapper/309:11:133
29715040,0irq/26-eth0-rx-0-21swapper/308:35:293
249940,0watchdog/27764-21kthreadcore07:25:352
249940,0watchdog/224949-21cut11:55:342
249940,0watchdog/210166-21python12:05:382
249940,0watchdog/20-21swapper/210:45:342
249940,0watchdog/20-21swapper/209:15:382
249940,0watchdog/20-21swapper/208:10:342
249940,0watchdog/20-21swapper/207:30:352
179940,0migration/19991-21kthreadcore11:05:321
179940,0migration/19233-21hwlatdetect07:05:301
179940,0migration/132399-21kthreadcore10:40:341
179940,0migration/125984-21kthreadcore07:40:331
179940,0migration/124397-21kthreadcore11:55:331
179940,0migration/122737-21aten_r1power_en09:15:261
179940,0migration/118435-21kthreadcore11:10:331
179940,0migration/116063-21kthreadcore12:30:371
179940,0migration/115436-21kthreadcore10:10:331
179940,0migration/11353-21kthreadcore09:20:311
179940,0migration/11247-21kthreadcore11:40:341
169940,0watchdog/14933-21ssh10:02:581
169940,0watchdog/123620-21irqrtprio09:55:341
169940,0watchdog/122673-21ssh09:35:261
169940,0watchdog/117882-21if_eth008:00:311
169940,0watchdog/117882-21if_eth008:00:311
169940,0watchdog/111872-21awk10:46:101
169940,0watchdog/10-21swapper/112:01:101
169940,0watchdog/10-21swapper/111:15:341
169940,0watchdog/10-21swapper/108:25:341
169940,0watchdog/10-21swapper/107:50:311
169940,0watchdog/10-21swapper/107:10:391
149940,0migration/025365-21kthreadcore10:55:330
149940,0migration/025288-21kthreadcore12:15:330
149940,0migration/021628-21sh09:54:000
149940,0migration/020309-21kthreadcore07:10:340
82369932,0cyclictest3514-21snmpd07:37:282
82369932,0cyclictest30483-21grep07:20:332
82369932,0cyclictest13780-21kthreadcore08:45:342
82369932,0cyclictest10458-21telnet07:55:282
82369930,0cyclictest5133-21perl08:15:272
82359933,0cyclictest0-21swapper/108:16:401
82359932,0cyclictest4167-21kthreadcore07:25:341
82359932,0cyclictest31599-21cat07:45:321
82359932,0cyclictest30215-21cut12:20:311
82359932,0cyclictest29254-21awk07:20:311
82359930,0cyclictest27659-21sh10:55:411
82359930,0cyclictest26690-21automount12:16:041
82359930,0cyclictest18584-21runrttasks08:49:331
82359930,0cyclictest0-21swapper/107:37:341
82359930,0cyclictest0-21swapper/107:15:201
82339933,0cyclictest27796-21kworker/0:207:55:200
82339933,0cyclictest17660-21kworker/0:012:20:190
82339933,0cyclictest17660-21kworker/0:011:50:250
82339933,0cyclictest17660-21kworker/0:011:45:230
82339933,0cyclictest17660-21kworker/0:011:15:170
82339933,0cyclictest17660-21kworker/0:010:50:170
82339933,0cyclictest17660-21kworker/0:010:35:170
82339933,0cyclictest17660-21kworker/0:009:35:170
82339933,0cyclictest17660-21kworker/0:008:40:220
35130,0ktimersoftd/30-21swapper/307:56:363
339930,0migration/317356-21kthreadcore08:45:353
29725030,0irq/27-eth0-tx-23651-21aten2.4-expect08:05:280
29725030,0irq/27-eth0-tx-0-21swapper/212:25:182
29725030,0irq/27-eth0-tx-0-21swapper/209:55:332
29715030,0irq/26-eth0-rx-0-21swapper/308:25:273
29715030,0irq/26-eth0-rx-0-21swapper/308:20:273
29715030,0irq/26-eth0-rx-0-21swapper/308:00:293
29715030,0irq/26-eth0-rx-0-21swapper/308:00:293
29715030,0irq/26-eth0-rx-0-21swapper/307:51:413
29715030,0irq/26-eth0-rx-0-21swapper/307:30:283
29715030,0irq/26-eth0-rx-0-21swapper/307:20:223
249930,0watchdog/25921-21tr07:50:312
249930,0watchdog/20-21swapper/211:15:182
249930,0watchdog/20-21swapper/208:51:382
249930,0watchdog/20-21swapper/208:40:302
179930,0migration/130247-21runrttasks08:10:241
169930,0watchdog/10-21swapper/112:25:331
169930,0watchdog/10-21swapper/112:06:581
169930,0watchdog/10-21swapper/111:25:301
169930,0watchdog/10-21swapper/108:05:351
29715020,0irq/26-eth0-rx-0-21swapper/308:30:203
29715020,0irq/26-eth0-rx-0-21swapper/308:10:243
29715020,0irq/26-eth0-rx-0-21swapper/307:15:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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