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2026-02-11 - 06:04
[ 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 Wed Feb 11, 2026 00:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304450530,0irq/25-eth10-21swapper/319:00:413
1343423423,0sleep00-21swapper/019:02:580
1349323324,0sleep10-21swapper/119:03:431
1336023026,0sleep20-21swapper/219:02:082
4160,0ktimersoftd/00-21swapper/021:45:580
339960,0migration/332738-21sh23:35:063
339960,0migration/327539-21sh21:32:573
339960,0migration/326679-21sh21:51:303
339960,0migration/326279-21sh22:11:023
339960,0migration/31814-21sh22:57:323
339960,0migration/310625-21sh21:41:163
29715060,0irq/26-eth0-rx-12024-21perl22:24:353
149960,0migration/03086-21sh21:58:460
149960,0migration/026440-21sh21:29:480
149960,0migration/017543-21latency_hist00:29:220
149960,0migration/011651-21fschecks_count22:44:360
136229966,0cyclictest0-21swapper/022:39:220
8215050,0irq/24-0000:00:17880-21latency_hist23:49:222
4150,0ktimersoftd/00-21swapper/023:42:540
4150,0ktimersoftd/00-21swapper/000:04:590
35150,0ktimersoftd/30-21swapper/321:45:583
339950,0migration/38736-21taskset23:20:053
339950,0migration/35746-21kthreadcore19:19:413
339950,0migration/35726-21df_abs20:59:353
339950,0migration/33850-21munin-node21:59:343
339950,0migration/33544-21munin-node22:19:353
339950,0migration/330460-21kthreadcore19:39:413
339950,0migration/330180-21kthreadcore19:14:403
339950,0migration/328770-21kthreadcore23:14:373
339950,0migration/327044-21sh21:11:473
339950,0migration/320873-21kthreadcore00:09:383
339950,0migration/320469-21kthreadcore23:29:393
339950,0migration/320274-21munin-node22:29:383
339950,0migration/31896-21timerwakeupswit21:14:453
339950,0migration/315811-21munin-node19:29:383
339950,0migration/31479-21timerwakeupswit21:54:453
339950,0migration/313141-21kthreadcore19:24:413
339950,0migration/312864-21munin-node21:04:363
339950,0migration/312634-21kthreadcore00:24:383
339950,0migration/311409-21cpuspeed_turbos22:44:353
339950,0migration/310046-21munin-node19:49:403
29725050,0irq/27-eth0-tx-8682-21taskset23:40:552
29725050,0irq/27-eth0-tx-2672-21hwlatdetect23:59:362
29725050,0irq/27-eth0-tx-24250-21grep23:49:442
29725050,0irq/27-eth0-tx-22484-21munin-node19:59:430
29725050,0irq/27-eth0-tx-16762-21munin-node20:19:390
29725050,0irq/27-eth0-tx-0-21swapper/222:34:342
29715050,0irq/26-eth0-rx-7700-21unixbench_multi00:19:473
29715050,0irq/26-eth0-rx-24221-21kthreadcore22:49:413
29715050,0irq/26-eth0-rx-19146-21ssh23:49:363
29715050,0irq/26-eth0-rx-18494-21idleruntime00:29:363
29715050,0irq/26-eth0-rx-14199-21kthreadcore21:24:393
29715050,0irq/26-eth0-rx-0-21swapper/323:58:003
29715050,0irq/26-eth0-rx-0-21swapper/323:46:143
29715050,0irq/26-eth0-rx-0-21swapper/323:27:583
29715050,0irq/26-eth0-rx-0-21swapper/323:10:043
29715050,0irq/26-eth0-rx-0-21swapper/323:04:403
29715050,0irq/26-eth0-rx-0-21swapper/322:40:533
29715050,0irq/26-eth0-rx-0-21swapper/322:16:323
29715050,0irq/26-eth0-rx-0-21swapper/321:19:273
29715050,0irq/26-eth0-rx-0-21swapper/300:14:393
27150,0ktimersoftd/20-21swapper/221:45:582
19150,0ktimersoftd/10-21swapper/121:45:581
179950,0migration/19778-21taskset22:20:241
179950,0migration/16154-21kthreadcore21:19:401
179950,0migration/118048-21sh23:07:551
149950,0migration/09528-21kthreadcore19:24:400
149950,0migration/0836-21taskset00:18:060
149950,0migration/08162-21taskset00:20:460
149950,0migration/06189-21kthreadcore22:19:400
149950,0migration/04921-21taskset20:57:150
149950,0migration/04640-21cpuspeed_turbos20:34:340
149950,0migration/04558-21kthreadcore22:59:390
149950,0migration/03605-21kthreadcore19:19:410
149950,0migration/032269-21kthreadcore21:14:400
149950,0migration/032178-21kthreadcore22:54:370
149950,0migration/029576-21kthreadcore22:14:390
149950,0migration/029385-21kthreadcore23:54:380
149950,0migration/028721-21forks21:34:350
149950,0migration/025600-21missed_timers21:09:410
149950,0migration/024480-21aten_r1power_po20:49:330
149950,0migration/02417-21taskset22:38:220
149950,0migration/022956-21kthreadcore19:09:390
149950,0migration/022908-21kthreadcore19:34:370
149950,0migration/022707-21kthreadcore22:49:400
149950,0migration/020762-21kthreadcore23:49:380
149950,0migration/018542-21kthreadcore19:29:400
149950,0migration/018022-21aten_r1power_fr00:09:320
149950,0migration/016142-21df_abs19:54:360
149950,0migration/014752-21kthreadcore22:24:390
149950,0migration/013215-21irqcore21:04:380
149950,0migration/013072-21kthreadcore23:44:380
149950,0migration/012047-21kthreadcore19:49:420
149950,0migration/010823-21aten_r1power_cu23:04:330
136249955,0cyclictest0-21swapper/222:49:592
136249955,0cyclictest0-21swapper/221:28:372
136249950,0cyclictest0-21swapper/222:54:232
136249950,0cyclictest0-21swapper/221:40:552
136249950,0cyclictest0-21swapper/221:19:482
136239950,0cyclictest24541-21ssh00:11:081
136239950,0cyclictest0-21swapper/100:18:331
136229955,0cyclictest0-21swapper/023:28:430
339940,0migration/36191-21kthreadcore23:39:383
339940,0migration/35641-21kthreadcore19:44:403
339940,0migration/328152-21kthreadcore20:49:393
339940,0migration/321033-21fschecks_count19:09:353
339940,0migration/317156-21taskset20:40:413
339940,0migration/314583-21kthreadcore20:14:413
29725040,0irq/27-eth0-tx-713-21ssh23:15:222
29725040,0irq/27-eth0-tx-3614-21munin-node21:59:342
29725040,0irq/27-eth0-tx-28799-21ssh21:54:372
29725040,0irq/27-eth0-tx-10159-21aten2.4-expect20:14:340
29725040,0irq/27-eth0-tx-0-21swapper/223:54:262
29725040,0irq/27-eth0-tx-0-21swapper/223:29:412
29725040,0irq/27-eth0-tx-0-21swapper/223:24:352
29725040,0irq/27-eth0-tx-0-21swapper/223:09:382
29725040,0irq/27-eth0-tx-0-21swapper/222:24:392
29725040,0irq/27-eth0-tx-0-21swapper/221:34:512
29725040,0irq/27-eth0-tx-0-21swapper/221:05:262
29725040,0irq/27-eth0-tx-0-21swapper/200:29:392
29725040,0irq/27-eth0-tx-0-21swapper/200:14:392
29725040,0irq/27-eth0-tx-0-21swapper/020:24:340
29725040,0irq/27-eth0-tx-0-21swapper/020:06:240
29725040,0irq/27-eth0-tx-0-21swapper/019:39:360
29725040,0irq/27-eth0-tx-0-21swapper/019:14:240
29715040,0irq/26-eth0-rx-0-21swapper/322:59:223
29715040,0irq/26-eth0-rx-0-21swapper/322:36:283
29715040,0irq/26-eth0-rx-0-21swapper/322:04:383
29715040,0irq/26-eth0-rx-0-21swapper/321:34:493
29715040,0irq/26-eth0-rx-0-21swapper/320:54:343
29715040,0irq/26-eth0-rx-0-21swapper/300:04:393
29715040,0irq/26-eth0-rx-0-21swapper/300:00:263
259940,0migration/25463-21aten_r1power_po20:59:342
259940,0migration/25303-21kthreadcore22:19:402
259940,0migration/22923-21fschecks_count23:19:352
259940,0migration/228240-21latency_hist21:14:222
259940,0migration/225637-21munin-node20:49:382
259940,0migration/224179-21kthreadcore21:29:392
259940,0migration/220864-21kthreadcore22:29:402
259940,0migration/214409-21kthreadcore23:04:402
259940,0migration/214119-21kthreadcore00:04:402
259940,0migration/213967-21timerandwakeup19:24:472
259940,0migration/21183-21kthreadcore20:54:392
249940,0watchdog/27990-21ssh00:20:162
249940,0watchdog/2467-21kthreadcore20:29:372
249940,0watchdog/231496-21kthreadcore20:04:412
249940,0watchdog/23034-21ssh22:39:282
249940,0watchdog/227660-21ssh22:14:242
249940,0watchdog/218502-21grep20:19:412
249940,0watchdog/20-21swapper/219:59:452
249940,0watchdog/20-21swapper/219:54:412
179940,0migration/19296-21irqcore19:24:401
179940,0migration/1794-21kthreadcore21:14:401
179940,0migration/16297-21kthreadcore23:19:391
179940,0migration/15156-21irqrtprio21:39:381
179940,0migration/130469-21kthreadcore22:34:391
179940,0migration/129244-21kthreadcore22:14:381
179940,0migration/128731-21kthreadcore23:14:371
179940,0migration/12722-21fschecks_time23:39:341
179940,0migration/126847-21fschecks_time23:54:341
179940,0migration/124496-21kthreadcore21:09:401
179940,0migration/124163-21kthreadcore22:29:411
179940,0migration/123182-21kthreadcore23:09:411
179940,0migration/120923-21fschecks_count19:09:351
179940,0migration/120256-21fschecks_time22:09:351
179940,0migration/117752-21kthreadcore19:29:391
179940,0migration/116842-21aten_r1power_fr20:19:351
179940,0migration/116070-21kthreadcore21:24:391
179940,0migration/112155-21irqcore20:39:411
179940,0migration/110906-21irqrtprio00:24:371
179940,0migration/11043-21kthreadcore20:29:371
169940,0watchdog/125279-21if_eth120:49:371
169940,0watchdog/123145-21kthreadcore21:49:401
169940,0watchdog/11833-21forks19:19:371
169940,0watchdog/116306-21yum23:44:481
169940,0watchdog/113092-21kthreadcore00:04:401
169940,0watchdog/110447-21ssh23:24:281
169940,0watchdog/10-21swapper/122:39:321
169940,0watchdog/10-21swapper/121:29:441
169940,0watchdog/10-21swapper/120:04:411
169940,0watchdog/10-21swapper/119:54:411
169940,0watchdog/10-21swapper/119:34:411
169940,0watchdog/10-21swapper/100:19:361
149940,0migration/026960-21runrttasks22:13:000
136249944,0cyclictest0-21swapper/222:05:222
136249943,0cyclictest3514-21snmpd23:37:152
136249943,0cyclictest3514-21snmpd20:46:592
136249943,0cyclictest3514-21snmpd20:34:442
136249943,0cyclictest3514-21snmpd19:37:432
136249943,0cyclictest3241-21irqbalance22:59:402
136249943,0cyclictest3241-21irqbalance22:44:302
136249943,0cyclictest3241-21irqbalance21:09:512
136249943,0cyclictest3241-21irqbalance19:48:012
136249943,0cyclictest3241-21irqbalance19:10:112
136249943,0cyclictest3241-21irqbalance19:04:312
136249943,0cyclictest24419-21awk20:24:392
136249943,0cyclictest2295-21awk19:19:392
136249943,0cyclictest20812-21awk21:49:382
136249943,0cyclictest20654-21awk22:09:372
136249943,0cyclictest18849-21awk00:09:362
136249943,0cyclictest10589-21awk00:24:362
136239944,0cyclictest0-21swapper/123:59:381
136239943,0cyclictest4345-21awk20:09:381
136239943,0cyclictest3556-21lldpd22:53:561
136239943,0cyclictest3556-21lldpd21:54:251
136239943,0cyclictest3556-21lldpd21:35:541
136239943,0cyclictest3556-21lldpd20:59:251
136239943,0cyclictest3556-21lldpd20:24:241
136239943,0cyclictest3556-21lldpd00:29:271
136239943,0cyclictest3514-21snmpd23:02:001
136239943,0cyclictest29016-21awk19:39:391
136239943,0cyclictest28069-21awk22:54:341
136239943,0cyclictest27990-21awk19:14:381
136239943,0cyclictest23440-21awk19:59:371
136239943,0cyclictest19097-21awk23:49:361
136239943,0cyclictest18695-21awk20:44:381
136239943,0cyclictest12905-21awk21:04:361
136239943,0cyclictest12676-21awk22:04:371
136239943,0cyclictest12131-21awk22:44:381
136239943,0cyclictest10030-21awk19:49:391
136239940,0cyclictest0-21swapper/123:31:151
136229944,0cyclictest0-21swapper/021:29:030
136229944,0cyclictest0-21swapper/000:24:320
136229943,0cyclictest9661-21sadc00:04:220
136229943,0cyclictest4575-21awk21:59:370
136229943,0cyclictest3556-21lldpd23:13:560
136229943,0cyclictest3556-21lldpd20:43:240
136229943,0cyclictest3514-21snmpd19:08:580
136229943,0cyclictest3241-21irqbalance22:29:300
136229943,0cyclictest3241-21irqbalance22:05:110
136229943,0cyclictest3241-21irqbalance21:19:310
339930,0migration/326611-21kthreadcore20:24:403
29715030,0irq/26-eth0-rx-0-21swapper/320:44:343
29715030,0irq/26-eth0-rx-0-21swapper/320:29:313
29715030,0irq/26-eth0-rx-0-21swapper/320:19:353
29715030,0irq/26-eth0-rx-0-21swapper/320:09:343
29715030,0irq/26-eth0-rx-0-21swapper/320:06:553
29715030,0irq/26-eth0-rx-0-21swapper/319:59:333
29715030,0irq/26-eth0-rx-0-21swapper/319:54:423
29715030,0irq/26-eth0-rx-0-21swapper/319:35:483
29715030,0irq/26-eth0-rx-0-21swapper/319:04:333
259930,0migration/218260-21kthreadcore19:29:392
259930,0migration/210971-21if_err_eth1.220:14:382
179930,0migration/19566-21kthreadcore20:34:401
179930,0migration/114700-21kthreadcore22:24:391
169930,0watchdog/126382-21ssh23:34:241
169930,0watchdog/10-21swapper/121:59:321
149930,0migration/026773-21runrttasks23:14:230
136249932,0cyclictest3556-21lldpd20:39:242
136249932,0cyclictest3556-21lldpd20:09:242
136249932,0cyclictest3556-21lldpd19:41:242
136249932,0cyclictest3241-21irqbalance19:49:312
136249932,0cyclictest28070-21awk19:14:382
136239932,0cyclictest4329-21sensors20:54:441
136239932,0cyclictest3320-21awk19:44:381
136239932,0cyclictest14153-21tr19:04:341
136239932,0cyclictest11084-21awk20:14:381
136229933,0cyclictest26153-21kworker/0:023:29:270
136229933,0cyclictest26153-21kworker/0:023:20:250
136229933,0cyclictest26153-21kworker/0:021:49:300
136229933,0cyclictest26153-21kworker/0:020:59:280
136229933,0cyclictest26153-21kworker/0:020:44:520
136229933,0cyclictest26153-21kworker/0:020:29:260
136229933,0cyclictest26153-21kworker/0:020:09:300
136229933,0cyclictest26153-21kworker/0:019:44:500
136229932,0cyclictest3921-21munin-node21:39:380
136229932,0cyclictest27336-21awk23:34:370
29715020,0irq/26-eth0-rx-0-21swapper/320:34:403
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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