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2026-03-06 - 08:37
[ 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 the 376 highest latencies:
System rack1slot2s.osadl.org (updated Fri Mar 06, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304450450,0irq/25-eth10-21swapper/318:58:593
2062523625,0sleep00-21swapper/019:01:270
2040023127,0sleep20-21swapper/218:58:492
2055522723,0sleep10-21swapper/119:00:401
2076399130,0cyclictest0-21swapper/021:02:310
207659976,0cyclictest28202-21kthreadcore23:07:282
339960,0migration/38223-21sh23:36:263
339960,0migration/322632-21sh00:03:103
339960,0migration/317268-21sh21:58:263
339960,0migration/316642-21sh22:17:443
339960,0migration/31622-21sh21:28:483
339960,0migration/310871-21sh21:37:113
29715060,0irq/26-eth0-rx-9374-21iostat_ios23:57:293
29715060,0irq/26-eth0-rx-3874-21iostat_ios21:52:283
207649963,0cyclictest3224-21diskstats21:12:231
207649963,0cyclictest31489-21iostat20:22:291
207649963,0cyclictest28762-21cut00:27:281
207649963,0cyclictest28364-21ntp_states19:52:311
207649963,0cyclictest2700-21iostat_ios22:52:291
207649963,0cyclictest24993-21yum22:02:371
207649963,0cyclictest1918-21ssh22:11:421
207649963,0cyclictest11541-21iostat_ios22:17:281
207649963,0cyclictest10425-21chrt21:35:511
149960,0migration/017906-21sh21:19:060
149960,0migration/01715-21sh21:49:540
149960,0migration/01550-21sh21:09:370
149960,0migration/015130-21sh23:38:140
149960,0migration/013477-21munin-node20:57:280
8215050,0irq/24-0000:00:18875-21latency_hist21:02:132
339950,0migration/39163-21fschecks_time19:17:263
339950,0migration/38662-21sh22:54:513
339950,0migration/37860-21munin-node22:12:313
339950,0migration/35040-21munin-node20:47:373
339950,0migration/331863-21kthreadcore19:57:303
339950,0migration/330141-21taskset20:20:563
339950,0migration/324728-21kthreadcore19:02:303
339950,0migration/324375-21fschecks_time00:27:243
339950,0migration/320714-21kthreadcore20:37:313
339950,0migration/317406-21cpuspeed_turbos20:12:243
339950,0migration/316482-21irqrtprio19:22:273
339950,0migration/31514-21munin-node19:32:303
339950,0migration/312251-21irqcore21:37:273
29725050,0irq/27-eth0-tx-8740-21ssh23:16:322
29725050,0irq/27-eth0-tx-24747-21munin-node20:42:280
29725050,0irq/27-eth0-tx-17776-21ssh22:42:052
29725050,0irq/27-eth0-tx-1655-21munin-node22:52:382
29725050,0irq/27-eth0-tx-0-21swapper/223:50:242
29725050,0irq/27-eth0-tx-0-21swapper/223:39:592
29725050,0irq/27-eth0-tx-0-21swapper/223:02:502
29725050,0irq/27-eth0-tx-0-21swapper/222:36:472
29725050,0irq/27-eth0-tx-0-21swapper/221:57:152
29725050,0irq/27-eth0-tx-0-21swapper/221:07:022
29725050,0irq/27-eth0-tx-0-21swapper/200:21:212
29725050,0irq/27-eth0-tx-0-21swapper/019:57:050
29715050,0irq/26-eth0-rx-5967-21cut22:32:283
29715050,0irq/26-eth0-rx-5867-21unixbench-2d00:12:383
29715050,0irq/26-eth0-rx-29869-21pmu-power00:07:343
29715050,0irq/26-eth0-rx-25487-40yum-updatesd-he22:46:173
29715050,0irq/26-eth0-rx-17559-21idleruntime23:42:283
29715050,0irq/26-eth0-rx-0-21swapper/323:52:303
29715050,0irq/26-eth0-rx-0-21swapper/323:47:493
29715050,0irq/26-eth0-rx-0-21swapper/323:40:293
29715050,0irq/26-eth0-rx-0-21swapper/323:19:183
29715050,0irq/26-eth0-rx-0-21swapper/323:15:213
29715050,0irq/26-eth0-rx-0-21swapper/323:07:233
29715050,0irq/26-eth0-rx-0-21swapper/323:02:293
29715050,0irq/26-eth0-rx-0-21swapper/322:41:123
29715050,0irq/26-eth0-rx-0-21swapper/322:27:173
29715050,0irq/26-eth0-rx-0-21swapper/322:25:513
29715050,0irq/26-eth0-rx-0-21swapper/322:10:173
29715050,0irq/26-eth0-rx-0-21swapper/322:02:293
29715050,0irq/26-eth0-rx-0-21swapper/321:47:233
29715050,0irq/26-eth0-rx-0-21swapper/321:42:353
29715050,0irq/26-eth0-rx-0-21swapper/321:22:323
29715050,0irq/26-eth0-rx-0-21swapper/321:19:063
29715050,0irq/26-eth0-rx-0-21swapper/321:07:223
29715050,0irq/26-eth0-rx-0-21swapper/321:02:283
29715050,0irq/26-eth0-rx-0-21swapper/300:22:273
29715050,0irq/26-eth0-rx-0-21swapper/300:17:303
259950,0migration/2504-21kthreadcore20:22:312
259950,0migration/223548-21latency_hist00:27:112
259950,0migration/219393-21taskset22:42:262
259950,0migration/219050-21kthreadcore20:12:302
259950,0migration/218761-21latency_hist22:02:122
259950,0migration/216033-21dump-pmu-power19:47:132
207659955,0cyclictest0-21swapper/223:52:432
207659955,0cyclictest0-21swapper/200:02:392
207659953,0cyclictest11518-21awk22:17:282
207659950,0cyclictest0-21swapper/221:09:512
207649953,0cyclictest9453-21latency_hist22:57:121
207649953,0cyclictest9258-21munin-node23:17:251
207649953,0cyclictest9012-21df_inode19:17:251
207649953,0cyclictest8735-21ssh23:37:161
207649953,0cyclictest8252-21ls23:57:121
207649953,0cyclictest7742-21cat00:17:111
207649953,0cyclictest674-21aten2.4-expect23:32:221
207649953,0cyclictest5775-21aten_r1power_cu20:52:231
207649953,0cyclictest4885-21sh20:27:241
207649953,0cyclictest3928-21basename20:02:221
207649953,0cyclictest32636-21ssh23:52:181
207649953,0cyclictest32143-21date00:12:121
207649953,0cyclictest31404-21date20:47:131
207649953,0cyclictest2978-21telnet19:37:231
207649953,0cyclictest29615-21aten_r1power_en19:57:241
207649953,0cyclictest28999-21df_inode19:32:241
207649953,0cyclictest2831-21munin-node21:52:231
207649953,0cyclictest27954-21df19:07:251
207649953,0cyclictest27384-21cut21:27:131
207649953,0cyclictest27136-21ssh21:47:161
207649953,0cyclictest26998-21sed21:07:131
207649953,0cyclictest26644-21iostat_ios23:07:271
207649953,0cyclictest26453-21ssh22:27:221
207649953,0cyclictest26138-21munin-node22:47:221
207649953,0cyclictest25066-21cat23:27:121
207649953,0cyclictest24959-21perl00:07:261
207649953,0cyclictest24862-21munin-node23:47:241
207649953,0cyclictest24771-21aten2.4-expect20:42:231
207649953,0cyclictest23816-21date20:17:131
207649953,0cyclictest2274-21sed22:12:121
207649953,0cyclictest22329-21grep19:27:251
207649953,0cyclictest2149-21aten2.4-expect22:32:221
207649953,0cyclictest21031-21aten2.4-expect19:02:241
207649953,0cyclictest19624-21grep21:42:271
207649953,0cyclictest19301-21ssh21:22:161
207649953,0cyclictest19126-21rm21:02:211
207649953,0cyclictest18327-21awk20:37:251
207649953,0cyclictest1820-21cat19:12:131
207649953,0cyclictest18051-21ssh22:42:141
207649953,0cyclictest18006-21df23:02:241
207649953,0cyclictest17872-21perl23:22:251
207649953,0cyclictest17168-21chrt20:12:161
207649953,0cyclictest16722-21ssh23:42:201
207649953,0cyclictest16575-21df19:47:251
207649953,0cyclictest16327-21ssh00:02:211
207649953,0cyclictest1614-21munin-node23:12:261
207649953,0cyclictest15696-21ssh00:22:121
207649953,0cyclictest15377-21cut19:22:231
207649953,0cyclictest12558-21aten_r1power_fr20:57:241
207649953,0cyclictest11410-21cat20:32:131
207649953,0cyclictest11274-21entropy21:57:251
207649953,0cyclictest11174-21ssh21:17:211
207649953,0cyclictest11050-21date21:37:131
207649953,0cyclictest10456-21latency_hist20:07:131
207649953,0cyclictest10169-21fschecks_time19:42:251
207649953,0cyclictest10106-21aten_r1power_cu22:37:221
207649951,0cyclictest0-21swapper/122:22:131
207639955,0cyclictest0-21swapper/022:48:220
149950,0migration/08273-21latency21:12:290
149950,0migration/07348-21sh23:33:500
149950,0migration/0692-21taskset23:11:440
149950,0migration/06345-21kthreadcore22:32:280
149950,0migration/0566-21ntp_kernel_pll_21:27:330
149950,0migration/05601-21kthreadcore22:12:300
149950,0migration/04415-21munin-node23:12:330
149950,0migration/032635-21kthreadcore19:57:300
149950,0migration/030574-21kthreadcore22:27:310
149950,0migration/029147-21kthreadcore23:47:300
149950,0migration/025387-21kthreadcore19:02:300
149950,0migration/025222-21unixbench_multi21:42:370
149950,0migration/024960-21taskset22:44:450
149950,0migration/02457-21kthreadcore23:52:290
149950,0migration/024388-21timerandwakeup22:22:360
149950,0migration/022385-21taskset00:24:030
149950,0migration/02082-21munin-node22:52:250
149950,0migration/020336-21kthreadcore22:02:290
149950,0migration/01995-21kthreadcore20:22:310
149950,0migration/017327-21taskset22:19:450
149950,0migration/017233-21aten_r1power_en23:22:220
149950,0migration/017046-21hwlatdetect19:47:260
149950,0migration/016575-21sh22:59:450
149950,0migration/016485-21irqrtprio19:22:270
149950,0migration/015910-21taskset19:45:590
149950,0migration/015479-21taskset23:17:550
149950,0migration/015014-21kthreadcore20:07:310
149950,0migration/014940-21kthreadcore21:37:290
149950,0migration/014429-21sh00:19:040
149950,0migration/012436-21kthreadcore22:37:280
8215040,0irq/24-0000:00:0-21swapper/220:47:132
339940,0migration/36692-21kthreadcore19:12:303
339940,0migration/332748-21kthreadcore19:07:303
339940,0migration/314830-21kthreadcore20:57:303
339940,0migration/31378-21kthreadcore20:22:313
339940,0migration/313328-21kthreadcore19:42:293
339940,0migration/311784-21munin-node20:32:243
339940,0migration/310047-21kthreadcore20:52:303
29725040,0irq/27-eth0-tx-3514-21snmpd22:47:362
29725040,0irq/27-eth0-tx-2790-21ssh21:12:182
29725040,0irq/27-eth0-tx-23963-21telnet20:17:250
29725040,0irq/27-eth0-tx-15488-21ssh23:17:572
29725040,0irq/27-eth0-tx-11206-21munin-node21:17:292
29725040,0irq/27-eth0-tx-0-21swapper/223:42:152
29725040,0irq/27-eth0-tx-0-21swapper/223:27:292
29725040,0irq/27-eth0-tx-0-21swapper/223:22:372
29725040,0irq/27-eth0-tx-0-21swapper/222:57:202
29725040,0irq/27-eth0-tx-0-21swapper/222:12:302
29725040,0irq/27-eth0-tx-0-21swapper/222:07:382
29725040,0irq/27-eth0-tx-0-21swapper/221:42:272
29725040,0irq/27-eth0-tx-0-21swapper/221:22:262
29725040,0irq/27-eth0-tx-0-21swapper/200:27:292
29725040,0irq/27-eth0-tx-0-21swapper/020:35:510
29725040,0irq/27-eth0-tx-0-21swapper/019:12:240
29725040,0irq/27-eth0-tx-0-21swapper/019:07:270
29715040,0irq/26-eth0-rx-0-21swapper/323:27:303
29715040,0irq/26-eth0-rx-0-21swapper/323:22:153
29715040,0irq/26-eth0-rx-0-21swapper/322:57:433
29715040,0irq/26-eth0-rx-0-21swapper/322:47:313
29715040,0irq/26-eth0-rx-0-21swapper/321:12:133
29715040,0irq/26-eth0-rx-0-21swapper/320:11:173
259940,0migration/27467-21kthreadcore19:37:292
259940,0migration/27071-21kthreadcore19:12:302
259940,0migration/26063-21irqstats20:27:292
259940,0migration/25691-21kthreadcore20:02:282
259940,0migration/228947-21kthreadcore19:07:292
259940,0migration/226131-21kthreadcore20:17:302
259940,0migration/218099-21runrttasks20:37:182
259940,0migration/217114-21munin-node20:32:342
259940,0migration/215609-21kthreadcore20:07:312
259940,0migration/212890-21kthreadcore23:57:312
249940,0watchdog/232363-21aten_r1power_vo00:12:262
249940,0watchdog/21659-21ntpq19:32:312
249940,0watchdog/211210-21aten2.4-expect21:37:222
249940,0watchdog/20-21swapper/223:32:222
249940,0watchdog/20-21swapper/221:32:262
207659943,0cyclictest9598-21awk19:17:282
207659943,0cyclictest3514-21snmpd21:27:302
207659943,0cyclictest3514-21snmpd20:42:452
207659943,0cyclictest3241-21irqbalance21:52:212
207659943,0cyclictest28067-21awk21:47:282
207659943,0cyclictest27337-21awk22:27:282
207659943,0cyclictest25139-21awk00:07:282
207659943,0cyclictest21842-21awk19:02:282
207659940,0cyclictest22207-21ssh22:22:302
207639944,0cyclictest0-21swapper/000:28:390
207639944,0cyclictest0-21swapper/000:12:240
207639943,0cyclictest6644-21awk20:52:270
207639943,0cyclictest3514-21snmpd23:28:000
207639943,0cyclictest3514-21snmpd23:03:000
207639943,0cyclictest3514-21snmpd20:32:000
207639943,0cyclictest3514-21snmpd19:18:300
207639943,0cyclictest3241-21irqbalance23:42:200
207639943,0cyclictest27701-21awk22:07:250
207639943,0cyclictest18944-21awk20:37:280
207639943,0cyclictest16054-21sadc00:02:110
207639942,0cyclictest25061-21kworker/0:000:09:110
149940,0migration/05613-21kthreadcore21:52:290
149940,0migration/02861-21kthreadcore20:47:310
149940,0migration/026462-21kthreadcore19:27:300
149940,0migration/022363-21kthreadcore20:12:310
149940,0migration/012283-21kthreadcore21:57:290
29725030,0irq/27-eth0-tx-0-21swapper/020:02:220
29715030,0irq/26-eth0-rx-0-21swapper/320:42:253
29715030,0irq/26-eth0-rx-0-21swapper/320:02:523
29715030,0irq/26-eth0-rx-0-21swapper/319:52:233
29715030,0irq/26-eth0-rx-0-21swapper/319:47:293
29715030,0irq/26-eth0-rx-0-21swapper/319:27:133
259930,0migration/21844-21kthreadcore19:57:302
207659933,0cyclictest0-21swapper/219:47:242
207659932,0cyclictest6710-21awk20:52:272
207659932,0cyclictest3514-21snmpd19:54:002
207659932,0cyclictest15368-21aten_r1power_fr19:22:232
207639933,0cyclictest4594-21kworker/0:021:32:200
207639933,0cyclictest4594-21kworker/0:019:34:460
207639933,0cyclictest0-21swapper/021:22:180
207639932,0cyclictest3888-21awk19:37:270
207639932,0cyclictest17275-21awk00:02:260
35120,0ktimersoftd/37823-21kthreadcore20:27:303
29715020,0irq/26-eth0-rx-0-21swapper/319:38:113
249920,0watchdog/20-21swapper/219:27:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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