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2026-02-22 - 00:24
[ 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 Sat Feb 21, 2026 12:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1461925453,0sleep00-21swapper/007:01:230
1442925251,0sleep20-21swapper/206:59:092
1395423727,0sleep30-21swapper/306:58:463
1465922925,0sleep10-21swapper/107:01:481
148629974,0cyclictest18610-21munin-run08:43:230
8215060,0irq/24-0000:00:29081-21idleruntime-cro07:38:232
35160,0ktimersoftd/30-21swapper/310:56:013
339960,0migration/33026-21munin-node09:13:463
339960,0migration/327779-21sh10:10:423
339960,0migration/317636-21sh11:44:193
29715060,0irq/26-eth0-rx-30964-21chrt08:28:073
29715060,0irq/26-eth0-rx-27163-21ssh11:11:443
29715060,0irq/26-eth0-rx-16788-21grep10:43:393
29715060,0irq/26-eth0-rx-13143-21grep09:43:233
149960,0migration/028831-21sh10:53:360
149960,0migration/027110-21sh10:29:400
149960,0migration/020593-21sh09:07:360
149960,0migration/020032-21sh09:25:030
4150,0ktimersoftd/00-21swapper/011:49:090
35150,0ktimersoftd/30-21swapper/310:38:553
339950,0migration/38623-21kthreadcore10:58:413
339950,0migration/37131-21fschecks_time08:58:363
339950,0migration/36906-21kthreadcore12:18:393
339950,0migration/35121-21fschecks_count10:18:353
339950,0migration/33353-21taskset07:43:143
339950,0migration/332404-21munin-node08:53:353
339950,0migration/331183-21sh09:33:403
339950,0migration/328897-21cpuspeed_turbos10:33:363
339950,0migration/327881-21munin-node11:33:373
339950,0migration/327504-21taskset09:49:033
339950,0migration/323916-21cpuspeed_turbos07:58:353
339950,0migration/323212-21kthreadcore07:08:413
339950,0migration/320729-21kthreadcore11:48:403
339950,0migration/319834-21munin-node12:28:403
339950,0migration/319539-21latency_hist11:28:233
339950,0migration/319472-21kthreadcore07:03:403
339950,0migration/318920-21kthreadcore07:28:403
339950,0migration/317367-21munin-node07:53:363
339950,0migration/315932-21kthreadcore12:23:403
339950,0migration/311312-21aten_r1power_fr08:13:353
29725050,0irq/27-eth0-tx-5525-21cut09:58:362
29725050,0irq/27-eth0-tx-4392-21ssh09:36:402
29725050,0irq/27-eth0-tx-3647-21irqcore12:18:382
29725050,0irq/27-eth0-tx-2625-21munin-node07:18:360
29725050,0irq/27-eth0-tx-25905-21ssh12:10:572
29725050,0irq/27-eth0-tx-20903-21if_err_eth1.211:08:362
29725050,0irq/27-eth0-tx-1937-21runrttasks11:35:282
29725050,0irq/27-eth0-tx-17715-21ssh12:26:312
29725050,0irq/27-eth0-tx-17712-21ssh11:44:332
29725050,0irq/27-eth0-tx-15081-21kthreadcore10:23:422
29725050,0irq/27-eth0-tx-0-21swapper/211:00:062
29715050,0irq/26-eth0-rx-28834-21latency_hist10:13:233
29715050,0irq/26-eth0-rx-2695-21ssh09:53:453
29715050,0irq/26-eth0-rx-2273-21ssh11:15:223
29715050,0irq/26-eth0-rx-20146-21ssh10:27:403
29715050,0irq/26-eth0-rx-20061-21ssh09:25:083
29715050,0irq/26-eth0-rx-18516-21ssh11:04:433
29715050,0irq/26-eth0-rx-10834-21ssh09:58:463
29715050,0irq/26-eth0-rx-0-21swapper/312:15:213
29715050,0irq/26-eth0-rx-0-21swapper/312:03:203
29715050,0irq/26-eth0-rx-0-21swapper/311:38:393
29715050,0irq/26-eth0-rx-0-21swapper/311:26:363
29715050,0irq/26-eth0-rx-0-21swapper/310:48:333
29715050,0irq/26-eth0-rx-0-21swapper/310:28:263
29715050,0irq/26-eth0-rx-0-21swapper/309:38:483
29715050,0irq/26-eth0-rx-0-21swapper/309:20:513
29715050,0irq/26-eth0-rx-0-21swapper/309:08:273
29715050,0irq/26-eth0-rx-0-21swapper/309:06:383
27150,0ktimersoftd/20-21swapper/211:49:092
27150,0ktimersoftd/20-21swapper/209:40:552
259950,0migration/231179-21kthreadcore09:53:402
259950,0migration/229164-21kthreadcore12:13:382
259950,0migration/22710-21latency_hist11:58:232
259950,0migration/224203-21kthreadcore09:08:412
259950,0migration/221822-21kthreadcore10:48:382
259950,0migration/216727-21ntp_offset08:13:432
259950,0migration/216139-21kthreadcore10:43:392
259950,0migration/215686-21kthreadcore09:43:392
259950,0migration/21144-21kthreadcore07:13:412
249950,0watchdog/214181-21cut12:03:402
19150,0ktimersoftd/10-21swapper/111:35:191
148639955,0cyclictest0-21swapper/111:23:021
148639955,0cyclictest0-21swapper/110:03:431
148639955,0cyclictest0-21swapper/109:45:451
148639950,0cyclictest0-21swapper/109:08:231
148629950,0cyclictest0-21swapper/010:49:000
148629950,0cyclictest0-21swapper/009:53:300
148629950,0cyclictest0-21swapper/009:20:430
148629950,0cyclictest0-21swapper/008:08:400
149950,0migration/08061-21kthreadcore11:38:400
149950,0migration/05852-21munin-node09:58:370
149950,0migration/05653-21kthreadcore12:18:390
149950,0migration/032208-21aten_r1power_en08:53:340
149950,0migration/031395-21kthreadcore09:33:400
149950,0migration/025775-21sh11:28:460
149950,0migration/024180-21kthreadcore07:33:410
149950,0migration/020458-21kthreadcore07:28:400
149950,0migration/020023-21taskset10:06:260
149950,0migration/01942-21taskset11:14:230
149950,0migration/012222-21kthreadcore07:48:400
149950,0migration/011794-21sh09:39:520
339940,0migration/39393-21kthreadcore08:33:423
339940,0migration/32752-21kthreadcore08:28:413
339940,0migration/326092-21fschecks_time08:48:363
339940,0migration/323919-21kthreadcore09:28:403
339940,0migration/323788-21timerwakeupswit08:18:453
339940,0migration/31646-21kthreadcore08:03:403
339940,0migration/315323-21kthreadcore08:38:403
339940,0migration/315223-21kthreadcore10:03:403
339940,0migration/312503-21kthreadcore07:23:423
29725040,0irq/27-eth0-tx-4637-21munin-node10:18:342
29725040,0irq/27-eth0-tx-3176-21ssh11:38:252
29725040,0irq/27-eth0-tx-0-21swapper/211:59:512
29725040,0irq/27-eth0-tx-0-21swapper/211:29:512
29725040,0irq/27-eth0-tx-0-21swapper/210:40:132
29725040,0irq/27-eth0-tx-0-21swapper/210:33:282
29725040,0irq/27-eth0-tx-0-21swapper/210:13:392
29725040,0irq/27-eth0-tx-0-21swapper/209:49:172
29725040,0irq/27-eth0-tx-0-21swapper/008:36:000
29715040,0irq/26-eth0-rx-28650-21kthreadcore11:53:403
29715040,0irq/26-eth0-rx-14867-21kthreadcore12:03:413
29715040,0irq/26-eth0-rx-0-21swapper/312:08:553
29715040,0irq/26-eth0-rx-0-21swapper/311:18:343
29715040,0irq/26-eth0-rx-0-21swapper/307:48:403
29715040,0irq/26-eth0-rx-0-21swapper/307:33:363
29715040,0irq/26-eth0-rx-0-21swapper/307:18:453
29715040,0irq/26-eth0-rx-0-21swapper/307:18:133
259940,0migration/2760-21kthreadcore07:38:402
259940,0migration/27283-21kthreadcore09:18:392
259940,0migration/25394-21kthreadcore07:18:402
259940,0migration/229036-21kthreadcore08:23:412
259940,0migration/215040-21kthreadcore10:03:402
259940,0migration/210830-21munin-node08:33:422
259940,0migration/210725-21kthreadcore07:23:412
249940,0watchdog/29451-21python11:18:452
249940,0watchdog/214222-21kthreadcore11:23:372
249940,0watchdog/21365-21memory10:53:412
179940,0migration/19722-21kthreadcore08:58:401
179940,0migration/17112-21kthreadcore07:43:401
179940,0migration/16870-21kthreadcore09:18:391
179940,0migration/13388-21diskmemload09:33:481
179940,0migration/128645-21kthreadcore12:13:381
179940,0migration/127182-21taskset10:08:571
179940,0migration/121495-21kthreadcore11:08:381
179940,0migration/121257-21fschecks_time10:28:361
179940,0migration/118373-21fschecks_count08:18:351
179940,0migration/116988-21if_eth1.307:28:381
179940,0migration/116796-21kthreadcore11:03:391
179940,0migration/113366-21kthreadcore11:43:381
179940,0migration/11194-21kthreadcore10:53:401
179940,0migration/111803-21ksmtuned10:42:371
169940,0watchdog/19501-21ssh11:59:481
169940,0watchdog/12799-21ssh10:13:571
169940,0watchdog/126572-21ssh10:49:011
169940,0watchdog/125631-21cut07:33:421
169940,0watchdog/118389-21ssh12:07:161
169940,0watchdog/118257-21timerandwakeup10:43:451
169940,0watchdog/113692-21iostat10:23:411
169940,0watchdog/112928-21diskmemload09:04:011
169940,0watchdog/10-21swapper/111:23:371
169940,0watchdog/10-21swapper/110:58:411
169940,0watchdog/10-21swapper/109:38:411
169940,0watchdog/10-21swapper/108:13:411
148649944,0cyclictest12928-21diskmemload09:23:442
148649943,0cyclictest4576-21awk07:43:382
148649943,0cyclictest3556-21lldpd08:01:442
148649943,0cyclictest3514-21snmpd08:58:262
148649943,0cyclictest3514-21snmpd08:53:262
148649943,0cyclictest3514-21snmpd08:48:262
148649943,0cyclictest3514-21snmpd08:29:412
148649943,0cyclictest3514-21snmpd08:19:562
148649943,0cyclictest3514-21snmpd08:04:412
148649943,0cyclictest3514-21snmpd07:48:562
148649943,0cyclictest3514-21snmpd07:32:262
148649943,0cyclictest3514-21snmpd07:04:262
148649943,0cyclictest30153-21awk09:13:372
148649943,0cyclictest29010-21awk11:13:392
148649943,0cyclictest22662-21awk07:08:392
148649943,0cyclictest22489-21awk09:28:382
148649943,0cyclictest21931-21awk10:08:362
148649943,0cyclictest21535-21awk10:28:372
148649943,0cyclictest19641-21awk12:28:402
148649943,0cyclictest14132-21awk09:03:392
148649943,0cyclictest13110-21awk08:38:382
148649943,0cyclictest12882-21awk11:03:362
148639943,0cyclictest544-21awk08:53:381
148639943,0cyclictest3556-21lldpd11:28:451
148639943,0cyclictest3556-21lldpd10:01:151
148639943,0cyclictest3556-21lldpd09:24:451
148639943,0cyclictest3556-21lldpd07:53:441
148639943,0cyclictest3241-21irqbalance12:25:011
148639943,0cyclictest3241-21irqbalance12:21:311
148639943,0cyclictest3241-21irqbalance10:21:311
148639943,0cyclictest3241-21irqbalance09:30:011
148639943,0cyclictest3241-21irqbalance08:29:321
148639943,0cyclictest3241-21irqbalance08:08:521
148639943,0cyclictest3241-21irqbalance08:03:521
148639943,0cyclictest3241-21irqbalance07:58:321
148639943,0cyclictest3241-21irqbalance07:49:321
148639943,0cyclictest3241-21irqbalance07:40:221
148639943,0cyclictest3241-21irqbalance07:23:321
148639943,0cyclictest3241-21irqbalance07:18:421
148639943,0cyclictest3241-21irqbalance07:15:221
148639943,0cyclictest3241-21irqbalance07:09:321
148639943,0cyclictest28890-21awk11:13:381
148639943,0cyclictest28273-21awk11:53:391
148639943,0cyclictest25448-21awk08:23:381
148639943,0cyclictest22202-21awk09:48:371
148639943,0cyclictest20009-21awk12:08:361
148639943,0cyclictest19746-21awk08:43:381
148639943,0cyclictest19541-21awk12:28:391
148639942,0cyclictest29642-21awk10:33:391
148629944,0cyclictest0-21swapper/012:24:320
148629944,0cyclictest0-21swapper/009:45:180
148629944,0cyclictest0-21swapper/009:12:400
148629943,0cyclictest3514-21snmpd11:58:420
148629943,0cyclictest3514-21snmpd07:12:560
148629943,0cyclictest3375-21sadc07:43:230
148629943,0cyclictest31179-21awk08:03:380
148629943,0cyclictest28523-21awk11:33:390
148629943,0cyclictest28177-21awk11:53:380
148629943,0cyclictest24479-21awk07:58:380
148629943,0cyclictest21857-21awk10:08:360
148629943,0cyclictest19901-21awk12:08:360
148629942,0cyclictest21448-21kworker/0:212:15:280
149940,0migration/04707-21aten_r1power_fr10:18:330
149940,0migration/022246-21if_eth1.209:48:370
29725030,0irq/27-eth0-tx-0-21swapper/008:48:350
29715030,0irq/26-eth0-rx-9969-40yum-updatesd-he07:46:593
29715030,0irq/26-eth0-rx-0-21swapper/308:43:353
179930,0migration/14272-21if_eth1.311:38:381
179930,0migration/129633-21kthreadcore08:48:401
169930,0watchdog/119921-21perl11:48:371
169930,0watchdog/10-21swapper/109:53:251
169930,0watchdog/10-21swapper/108:38:411
169930,0watchdog/10-21swapper/108:33:411
148649933,0cyclictest3556-21lldpd08:08:442
148649932,0cyclictest3514-21snmpd08:46:412
148649932,0cyclictest22637-21sensors07:53:452
148639930,0cyclictest15777-21perl07:03:361
148639930,0cyclictest0-21swapper/109:13:401
148629933,0cyclictest25083-21kworker/0:110:13:240
148629933,0cyclictest25083-21kworker/0:109:28:260
148629933,0cyclictest25083-21kworker/0:109:13:260
148629933,0cyclictest25083-21kworker/0:108:58:240
148629933,0cyclictest25083-21kworker/0:108:43:340
148629933,0cyclictest25083-21kworker/0:108:28:390
148629933,0cyclictest25083-21kworker/0:108:23:290
148629933,0cyclictest25083-21kworker/0:108:18:250
148629933,0cyclictest25083-21kworker/0:108:13:310
148629933,0cyclictest25083-21kworker/0:107:53:270
148629933,0cyclictest25083-21kworker/0:107:43:250
148629933,0cyclictest25083-21kworker/0:107:23:290
148629933,0cyclictest25083-21kworker/0:107:03:250
148629933,0cyclictest21448-21kworker/0:212:28:280
148629933,0cyclictest21448-21kworker/0:212:03:260
148629933,0cyclictest21448-21kworker/0:211:43:300
148629933,0cyclictest21448-21kworker/0:211:23:240
148629933,0cyclictest21448-21kworker/0:211:08:240
148629933,0cyclictest21448-21kworker/0:211:03:240
148629933,0cyclictest21448-21kworker/0:210:58:260
148629933,0cyclictest21448-21kworker/0:210:43:360
148629933,0cyclictest21448-21kworker/0:210:38:320
148629933,0cyclictest21448-21kworker/0:210:33:320
148629932,0cyclictest3652-21aten_r1power_cu11:18:330
148629932,0cyclictest29228-21awk07:13:380
148629932,0cyclictest13597-21awk10:23:400
29715020,0irq/26-eth0-rx-0-21swapper/308:08:433
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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