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2026-02-01 - 10:30
[ 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 highest latencies:
System rack1slot2s.osadl.org (updated Sun Feb 01, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304450450,0irq/25-eth10-21swapper/319:00:353
2621623423,0sleep00-21swapper/019:02:250
2628123324,0sleep10-21swapper/119:03:101
2011823329,0sleep20-21swapper/219:00:272
339980,0migration/315364-21sh22:18:533
339960,0migration/330402-21sh23:29:283
339960,0migration/316403-21sh21:19:273
339960,0migration/314530-21runrttasks22:58:253
339960,0migration/314511-21sh22:37:153
29725060,0irq/27-eth0-tx-30588-21munin-node20:45:360
29725060,0irq/27-eth0-tx-2932-21munin-node20:00:410
29725060,0irq/27-eth0-tx-18274-21munin-node21:00:340
29715060,0irq/26-eth0-rx-6242-21aten_r1power_cu23:55:293
29715060,0irq/26-eth0-rx-4178-21open_inodes23:30:373
29715060,0irq/26-eth0-rx-23635-21cat21:00:383
29715060,0irq/26-eth0-rx-0-21swapper/321:33:433
149960,0migration/08076-21sh21:54:430
149960,0migration/014828-21sh22:59:190
8215050,0irq/24-0000:00:30370-21awk20:45:192
8215050,0irq/24-0000:00:22945-21cat20:15:192
35150,0ktimersoftd/30-21swapper/300:26:593
339950,0migration/38815-21latency_hist21:35:193
339950,0migration/37468-21kthreadcore20:00:373
339950,0migration/34118-21timerwakeupswit20:45:423
339950,0migration/327840-21kthreadcore23:05:363
339950,0migration/326210-21kthreadcore22:05:343
339950,0migration/326114-21kthreadcore19:50:363
339950,0migration/324381-21cpuspeed_turbos00:10:303
339950,0migration/324232-21kthreadcore23:45:343
339950,0migration/32388-21kthreadcore22:50:363
339950,0migration/322452-21sh23:24:363
339950,0migration/32174-21kthreadcore23:50:373
339950,0migration/319037-21kthreadcore22:20:383
339950,0migration/318936-21kthreadcore19:20:373
339950,0migration/318465-21kthreadcore21:20:363
339950,0migration/317413-21kthreadcore22:40:353
339950,0migration/31700-21kthreadcore00:15:353
339950,0migration/314116-21taskset19:19:383
339950,0migration/310768-21aten_r1power_po20:30:303
339950,0migration/310714-21kthreadcore00:20:363
339950,0migration/310148-21fschecks_count20:05:333
29725050,0irq/27-eth0-tx-6586-21munin-node23:35:352
29725050,0irq/27-eth0-tx-32122-21munin-node00:15:382
29725050,0irq/27-eth0-tx-31688-21ssh21:47:282
29725050,0irq/27-eth0-tx-29633-21munin-node20:20:430
29725050,0irq/27-eth0-tx-27190-21kthreadcore22:45:362
29725050,0irq/27-eth0-tx-24567-21fschecks_count00:10:312
29725050,0irq/27-eth0-tx-23716-21ssh21:42:352
29725050,0irq/27-eth0-tx-17023-21munin-node21:20:362
29725050,0irq/27-eth0-tx-16726-21perl22:20:342
29725050,0irq/27-eth0-tx-16535-21munin-node22:00:312
29725050,0irq/27-eth0-tx-15804-21munin-node00:25:302
29725050,0irq/27-eth0-tx-14415-21munin-node19:20:380
29725050,0irq/27-eth0-tx-10646-21munin-node20:30:310
29725050,0irq/27-eth0-tx-0-21swapper/222:52:412
29725050,0irq/27-eth0-tx-0-21swapper/021:05:250
29715050,0irq/26-eth0-rx-7678-21ssh22:14:363
29715050,0irq/26-eth0-rx-4055-21kthreadcore21:10:363
29715050,0irq/26-eth0-rx-30942-21sensors_volt21:25:423
29715050,0irq/26-eth0-rx-28641-21kthreadcore21:45:363
29715050,0irq/26-eth0-rx-26954-21kthreadcore21:05:373
29715050,0irq/26-eth0-rx-17568-21irqcore22:00:343
29715050,0irq/26-eth0-rx-16394-21kthreadcore23:40:373
29715050,0irq/26-eth0-rx-12321-21processes23:35:393
29715050,0irq/26-eth0-rx-0-21swapper/323:01:103
29715050,0irq/26-eth0-rx-0-21swapper/300:30:373
27150,0ktimersoftd/20-21swapper/223:56:072
27150,0ktimersoftd/20-21swapper/222:06:132
27150,0ktimersoftd/20-21swapper/200:30:572
265379955,0cyclictest0-21swapper/219:05:422
265379954,0cyclictest3514-21snmpd19:30:532
265379950,0cyclictest0-21swapper/221:59:272
265369955,0cyclictest0-21swapper/123:41:211
265369955,0cyclictest0-21swapper/122:53:441
265369955,0cyclictest0-21swapper/122:04:041
265369955,0cyclictest0-21swapper/121:40:541
265369955,0cyclictest0-21swapper/121:33:101
265369955,0cyclictest0-21swapper/121:21:021
265369955,0cyclictest0-21swapper/120:35:381
265369950,0cyclictest0-21swapper/100:04:031
265359955,0cyclictest0-21swapper/000:03:170
265359950,0cyclictest0-21swapper/023:19:170
265359950,0cyclictest0-21swapper/021:29:430
259950,0migration/28628-21munin-node22:15:312
259950,0migration/25219-21missed_timers22:30:362
259950,0migration/231502-21aten_r1power_po23:10:282
259950,0migration/230897-21cpuspeed_turbos23:50:312
259950,0migration/226051-21kthreadcore23:05:362
259950,0migration/222718-21idleruntime-cro23:25:182
259950,0migration/214881-21sh22:38:212
259950,0migration/214305-21taskset00:00:392
19150,0ktimersoftd/10-21swapper/120:59:071
179950,0migration/122086-21aten_r1power_fr19:50:301
149950,0migration/07936-21kthreadcore23:35:350
149950,0migration/07153-21sh00:19:140
149950,0migration/06884-21taskset21:11:070
149950,0migration/06436-21sh22:10:580
149950,0migration/0502-21taskset19:07:500
149950,0migration/030425-21taskset23:08:120
149950,0migration/029598-21sensors_temp00:30:410
149950,0migration/028683-21taskset19:30:350
149950,0migration/027702-21kthreadcore22:25:350
149950,0migration/026924-21kthreadcore23:45:350
149950,0migration/026684-21kthreadcore22:05:340
149950,0migration/026566-21kthreadcore22:45:360
149950,0migration/025842-21diskmemload23:25:350
149950,0migration/022604-21sh21:20:400
149950,0migration/021954-21sh23:01:470
149950,0migration/021723-21timerwakeupswit00:25:420
149950,0migration/020647-21munin-node19:45:370
149950,0migration/01938-21kthreadcore22:30:350
149950,0migration/01828-21idleruntime19:10:340
149950,0migration/017870-21kernelversion22:00:340
149950,0migration/013730-21munin-node22:35:430
149950,0migration/010567-21kthreadcore00:20:360
8215040,0irq/24-0000:00:0-21swapper/220:45:192
339940,0migration/327372-21kthreadcore20:40:363
339940,0migration/32684-21kthreadcore22:30:353
339940,0migration/32600-21taskset19:59:203
339940,0migration/32489-21latency20:20:383
339940,0migration/322970-21taskset20:15:263
339940,0migration/318504-21kthreadcore21:40:353
339940,0migration/311111-21kthreadcore21:55:343
339940,0migration/310394-21ntp_kernel_pll_20:50:383
29725040,0irq/27-eth0-tx-8791-21ssh21:15:272
29725040,0irq/27-eth0-tx-30602-21ssh22:26:322
29725040,0irq/27-eth0-tx-22929-21df_abs23:45:292
29725040,0irq/27-eth0-tx-21915-21ssh23:01:392
29725040,0irq/27-eth0-tx-1317-21ssh21:50:322
29725040,0irq/27-eth0-tx-0-21swapper/223:40:372
29725040,0irq/27-eth0-tx-0-21swapper/222:41:402
29725040,0irq/27-eth0-tx-0-21swapper/222:10:202
29725040,0irq/27-eth0-tx-0-21swapper/221:35:492
29725040,0irq/27-eth0-tx-0-21swapper/221:30:312
29725040,0irq/27-eth0-tx-0-21swapper/221:12:412
29725040,0irq/27-eth0-tx-0-21swapper/200:20:272
29725040,0irq/27-eth0-tx-0-21swapper/200:05:262
29725040,0irq/27-eth0-tx-0-21swapper/020:50:330
29715040,0irq/26-eth0-rx-18081-21taskset20:35:323
29715040,0irq/26-eth0-rx-0-21swapper/323:15:343
29715040,0irq/26-eth0-rx-0-21swapper/323:12:513
29715040,0irq/26-eth0-rx-0-21swapper/322:45:253
29715040,0irq/26-eth0-rx-0-21swapper/322:25:543
29715040,0irq/26-eth0-rx-0-21swapper/321:51:223
29715040,0irq/26-eth0-rx-0-21swapper/319:10:323
29715040,0irq/26-eth0-rx-0-21swapper/319:05:373
29715040,0irq/26-eth0-rx-0-21swapper/300:05:293
29715040,0irq/26-eth0-rx-0-21swapper/300:00:243
265379943,0cyclictest3851-21awk20:00:342
265379943,0cyclictest3556-21lldpd23:30:592
265379943,0cyclictest3556-21lldpd22:56:292
265379943,0cyclictest3556-21lldpd20:58:282
265379943,0cyclictest3556-21lldpd19:20:572
265379943,0cyclictest3514-21snmpd20:14:232
265379943,0cyclictest3514-21snmpd19:55:232
265379943,0cyclictest3514-21snmpd19:39:232
265379943,0cyclictest23861-21awk23:25:332
265369944,0cyclictest0-21swapper/123:56:191
265369944,0cyclictest0-21swapper/123:50:101
265369944,0cyclictest0-21swapper/121:55:331
265369943,0cyclictest9651-21awk19:40:341
265369943,0cyclictest8809-21awk22:35:351
265369943,0cyclictest4819-21awk20:25:331
265369943,0cyclictest3556-21lldpd20:15:561
265369943,0cyclictest3556-21lldpd19:59:261
265369943,0cyclictest3556-21lldpd19:07:561
265369943,0cyclictest3514-21snmpd23:23:241
265369943,0cyclictest3514-21snmpd22:59:091
265369943,0cyclictest3514-21snmpd19:28:081
265369943,0cyclictest3241-21irqbalance21:00:271
265369943,0cyclictest3241-21irqbalance20:46:171
265369943,0cyclictest3241-21irqbalance20:40:271
265369943,0cyclictest3241-21irqbalance20:30:571
265369943,0cyclictest3241-21irqbalance20:20:471
265369943,0cyclictest25824-21awk21:45:331
265369943,0cyclictest24775-21awk00:30:351
265369943,0cyclictest17067-21awk22:20:361
265369943,0cyclictest10631-21awk20:05:361
265359944,0cyclictest0-21swapper/021:57:180
265359943,0cyclictest7188-21awk23:55:330
265359943,0cyclictest3241-21irqbalance21:47:370
265359943,0cyclictest3241-21irqbalance21:35:370
265359943,0cyclictest31583-21awk23:50:350
265359943,0cyclictest24838-21awk20:40:340
265359943,0cyclictest23846-21awk20:15:340
265359943,0cyclictest22321-21sadc23:45:180
265359943,0cyclictest18143-21awk20:35:330
265359943,0cyclictest17809-21awk21:40:330
265359943,0cyclictest17035-21awk00:05:280
265359943,0cyclictest15887-21awk23:20:360
265359943,0cyclictest12387-21kworker/0:200:11:260
265359943,0cyclictest10607-21awk20:05:350
259940,0migration/26793-21kthreadcore20:25:362
259940,0migration/227116-21kthreadcore21:05:372
259940,0migration/226136-21kthreadcore19:25:372
259940,0migration/225637-21fschecks_count21:25:342
259940,0migration/224964-21kthreadcore19:50:362
259940,0migration/224429-21runrttasks21:02:202
259940,0migration/219075-21kthreadcore19:45:372
249940,0watchdog/20-21swapper/223:15:372
249940,0watchdog/20-21swapper/220:05:332
249940,0watchdog/20-21swapper/219:10:382
179940,0migration/19123-21kthreadcore20:50:361
179940,0migration/14218-21pmu-power23:30:371
179940,0migration/13261-21cpuspeed_turbos20:00:311
179940,0migration/130682-21taskset00:11:531
179940,0migration/130546-21sh22:05:411
179940,0migration/124620-21irqrtprio23:05:351
179940,0migration/118839-21kthreadcore00:05:301
179940,0migration/116660-21irqrtprio23:00:391
179940,0migration/116334-21fschecks_count00:25:321
179940,0migration/114826-21taskset22:17:161
169940,0watchdog/17147-21ssh21:51:571
169940,0watchdog/15847-21tail22:30:411
169940,0watchdog/14566-21ntp_states23:10:371
169940,0watchdog/14162-21kthreadcore19:10:381
169940,0watchdog/128267-21kthreadcore21:05:371
169940,0watchdog/123847-21if_err_eth1.223:25:331
169940,0watchdog/115775-21ssh22:40:211
169940,0watchdog/112484-21kthreadcore19:15:381
169940,0watchdog/10-21swapper/121:35:331
169940,0watchdog/10-21swapper/121:15:411
169940,0watchdog/10-21swapper/100:20:361
169940,0watchdog/10-21swapper/100:15:321
149940,0migration/06479-21sh21:30:380
149940,0migration/014553-21kthreadcore20:55:350
149940,0migration/014243-21latency_hist19:20:190
35130,0ktimersoftd/30-21swapper/319:32:573
29715030,0irq/26-eth0-rx-0-21swapper/320:55:303
29715030,0irq/26-eth0-rx-0-21swapper/320:25:303
29715030,0irq/26-eth0-rx-0-21swapper/320:12:513
29715030,0irq/26-eth0-rx-0-21swapper/319:46:583
29715030,0irq/26-eth0-rx-0-21swapper/319:40:093
29715030,0irq/26-eth0-rx-0-21swapper/319:25:303
265379932,0cyclictest8634-21awk19:15:352
265379932,0cyclictest3514-21snmpd20:21:232
265379932,0cyclictest19758-21kthreadcore20:35:352
265379932,0cyclictest14384-21switchtime19:40:412
265379932,0cyclictest11531-21awk20:30:342
265369933,0cyclictest3556-21lldpd22:26:001
265369933,0cyclictest0-21swapper/120:10:241
265369932,0cyclictest7464-21awk23:35:331
265369932,0cyclictest711-21grep21:10:311
265369932,0cyclictest5962-21sensors22:10:391
265369932,0cyclictest3334-21cat19:35:361
265369932,0cyclictest30799-21egrep23:50:311
265369932,0cyclictest24805-21awk22:45:341
265359933,0cyclictest7041-21kworker/0:219:55:310
265359933,0cyclictest7041-21kworker/0:219:50:250
265359933,0cyclictest7041-21kworker/0:219:40:230
265359933,0cyclictest7041-21kworker/0:219:35:390
265359933,0cyclictest7041-21kworker/0:219:25:330
265359933,0cyclictest4712-21kworker/0:023:30:260
265359933,0cyclictest4712-21kworker/0:023:10:260
265359933,0cyclictest4712-21kworker/0:022:50:280
265359933,0cyclictest4712-21kworker/0:022:40:200
265359933,0cyclictest4712-21kworker/0:022:20:240
265359933,0cyclictest4712-21kworker/0:022:15:240
265359933,0cyclictest4712-21kworker/0:021:15:240
265359932,0cyclictest4666-21grep20:25:320
265359932,0cyclictest21618-21mdstat20:10:370
179930,0migration/111066-21kthreadcore23:15:351
169930,0watchdog/10-21swapper/121:25:371
169930,0watchdog/10-21swapper/119:45:331
169930,0watchdog/10-21swapper/119:23:451
29715020,0irq/26-eth0-rx-0-21swapper/319:40:423
265379921,0cyclictest0-21swapper/220:50:192
169920,0watchdog/10-21swapper/119:30:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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