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2026-01-29 - 00:36
[ 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 Wed Jan 28, 2026 12:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304450350,0irq/25-eth10-21swapper/307:00:453
2935723322,0sleep00-21swapper/007:03:320
2923123329,0sleep10-21swapper/107:02:051
2319623324,0sleep20-21swapper/207:00:462
339970,0migration/3654-21sh11:27:573
339960,0migration/325208-21sh11:23:113
339960,0migration/32339-21sh10:29:533
339960,0migration/318985-21sh10:40:493
339960,0migration/318214-21sh10:39:163
339960,0migration/317041-21sh11:59:313
339960,0migration/31341-21sh11:08:443
29715060,0irq/26-eth0-rx-5002-21ps09:10:553
296269966,0cyclictest27717-21diskmemload10:37:022
296209960,0cyclictest27717-21diskmemload11:25:571
296209960,0cyclictest27717-21diskmemload09:12:431
296119965,0cyclictest22336-21cut09:00:540
296119960,0cyclictest0-21swapper/010:03:410
339950,0migration/38063-21aten_r1power_po08:50:493
339950,0migration/3765-21sh11:49:033
339950,0migration/3686-21munin-node10:46:053
339950,0migration/36031-21kthreadcore09:30:563
339950,0migration/34963-21idleruntime07:10:523
339950,0migration/34207-21kthreadcore11:10:553
339950,0migration/33554-21kthreadcore11:50:533
339950,0migration/33440-21idleruntime10:50:513
339950,0migration/33012-21diskmemload09:28:553
339950,0migration/328559-21fschecks_time09:05:513
339950,0migration/326585-21kthreadcore07:50:533
339950,0migration/326466-21fschecks_count08:15:523
339950,0migration/32405-21kthreadcore07:55:553
339950,0migration/321287-21kthreadcore11:00:543
339950,0migration/320926-21kthreadcore10:00:543
339950,0migration/320544-21fschecks_count09:40:513
339950,0migration/320536-21kthreadcore11:40:523
339950,0migration/316946-21ksmtuned07:17:273
339950,0migration/315942-21kthreadcore09:35:563
339950,0migration/31504-21fschecks_time12:30:513
339950,0migration/314559-21latency_hist08:55:393
339950,0migration/311513-21kthreadcore11:35:553
29725050,0irq/27-eth0-tx-9753-21unixbench_singl09:11:022
29725050,0irq/27-eth0-tx-9328-21grep12:15:372
29725050,0irq/27-eth0-tx-2882-21munin-node10:30:572
29725050,0irq/27-eth0-tx-26000-21munin-node08:15:520
29725050,0irq/27-eth0-tx-24091-21munin-node07:25:540
29725050,0irq/27-eth0-tx-23557-21ssh12:21:102
29725050,0irq/27-eth0-tx-19890-21munin-node09:20:532
29725050,0irq/27-eth0-tx-18374-21munin-node11:20:582
29725050,0irq/27-eth0-tx-1814-21ssh10:07:342
29725050,0irq/27-eth0-tx-0-21swapper/211:54:152
29725050,0irq/27-eth0-tx-0-21swapper/211:28:332
29725050,0irq/27-eth0-tx-0-21swapper/209:59:582
29725050,0irq/27-eth0-tx-0-21swapper/209:07:352
29715050,0irq/26-eth0-rx-25018-21sensors10:21:003
29715050,0irq/26-eth0-rx-2329-21ssh09:48:003
29715050,0irq/26-eth0-rx-22130-21kthreadcore12:00:543
29715050,0irq/26-eth0-rx-1281-21cut07:30:543
29715050,0irq/26-eth0-rx-12790-21irqcore09:15:553
29715050,0irq/26-eth0-rx-0-21swapper/312:20:433
29715050,0irq/26-eth0-rx-0-21swapper/312:15:493
29715050,0irq/26-eth0-rx-0-21swapper/310:55:513
29715050,0irq/26-eth0-rx-0-21swapper/310:15:563
29715050,0irq/26-eth0-rx-0-21swapper/309:56:253
29715050,0irq/26-eth0-rx-0-21swapper/309:20:493
296269955,0cyclictest0-21swapper/211:17:432
296269954,0cyclictest4466-21awk09:50:532
296269954,0cyclictest3514-21snmpd09:44:032
296269954,0cyclictest3514-21snmpd08:59:332
296269950,0cyclictest0-21swapper/211:43:062
296269950,0cyclictest0-21swapper/211:34:542
296269950,0cyclictest0-21swapper/210:23:292
296209955,0cyclictest27717-21diskmemload10:06:481
296209955,0cyclictest0-21swapper/110:59:271
296209955,0cyclictest0-21swapper/109:24:421
296209950,0cyclictest0-21swapper/112:06:471
296209950,0cyclictest0-21swapper/111:43:081
296209950,0cyclictest0-21swapper/110:50:571
296119950,0cyclictest0-21swapper/012:12:010
296119950,0cyclictest0-21swapper/011:39:410
296119950,0cyclictest0-21swapper/011:29:550
296119950,0cyclictest0-21swapper/011:20:080
296119950,0cyclictest0-21swapper/010:07:560
296119950,0cyclictest0-21swapper/009:59:250
296119950,0cyclictest0-21swapper/009:42:240
259950,0migration/28954-21sh11:12:202
259950,0migration/2614-21runrttasks12:09:372
259950,0migration/232130-21munin-node07:55:512
259950,0migration/230864-21kthreadcore09:25:542
259950,0migration/22687-21kthreadcore08:45:542
259950,0migration/226595-21sh10:03:422
259950,0migration/218605-21sh09:17:562
259950,0migration/214045-21kthreadcore07:15:572
249950,0watchdog/227866-21kthreadcore12:25:522
249950,0watchdog/217814-21ssh09:36:012
19150,0ktimersoftd/10-21swapper/112:30:441
179950,0migration/17039-21kthreadcore09:50:551
179950,0migration/1611-21sh10:26:001
179950,0migration/15454-21kthreadcore10:30:531
179950,0migration/121126-21idleruntime08:35:531
179950,0migration/120398-21idleruntime10:00:521
179950,0migration/11251-21kthreadcore07:55:551
179950,0migration/112144-21aten_r1power_fr09:35:501
149950,0migration/029851-21kthreadcore09:05:550
149950,0migration/027151-21cpu08:40:500
149950,0migration/02447-21fschecks_count11:30:500
149950,0migration/024272-21ntp_offset11:00:570
149950,0migration/02398-21kthreadcore07:30:550
149950,0migration/016130-21missed_timers10:55:560
149950,0migration/010294-21sh09:52:450
339940,0migration/326924-21latency_hist08:40:393
339940,0migration/321923-21fschecks_time09:00:513
339940,0migration/317263-21pmu-power07:40:593
339940,0migration/316647-21kthreadcore08:30:543
339940,0migration/31593-21cpuspeed_turbos12:10:493
29725040,0irq/27-eth0-tx-19889-21if_err_eth1.310:40:532
29725040,0irq/27-eth0-tx-16287-21ssh11:36:252
29725040,0irq/27-eth0-tx-0-21swapper/212:11:152
29725040,0irq/27-eth0-tx-0-21swapper/211:55:462
29725040,0irq/27-eth0-tx-0-21swapper/211:00:542
29725040,0irq/27-eth0-tx-0-21swapper/210:50:542
29725040,0irq/27-eth0-tx-0-21swapper/210:45:502
29725040,0irq/27-eth0-tx-0-21swapper/210:15:562
29725040,0irq/27-eth0-tx-0-21swapper/210:10:442
29725040,0irq/27-eth0-tx-0-21swapper/008:55:580
29715040,0irq/26-eth0-rx-0-21swapper/312:25:473
29715040,0irq/26-eth0-rx-0-21swapper/312:06:513
29715040,0irq/26-eth0-rx-0-21swapper/311:31:263
29715040,0irq/26-eth0-rx-0-21swapper/311:18:283
29715040,0irq/26-eth0-rx-0-21swapper/310:32:553
29715040,0irq/26-eth0-rx-0-21swapper/310:10:483
29715040,0irq/26-eth0-rx-0-21swapper/310:05:443
29715040,0irq/26-eth0-rx-0-21swapper/309:50:543
29715040,0irq/26-eth0-rx-0-21swapper/308:45:553
29715040,0irq/26-eth0-rx-0-21swapper/308:35:563
29715040,0irq/26-eth0-rx-0-21swapper/308:25:553
29715040,0irq/26-eth0-rx-0-21swapper/308:00:483
29715040,0irq/26-eth0-rx-0-21swapper/307:25:583
29715040,0irq/26-eth0-rx-0-21swapper/307:20:533
296269943,0cyclictest8942-21awk08:50:532
296269943,0cyclictest3556-21lldpd08:23:532
296269943,0cyclictest3556-21lldpd07:44:222
296269943,0cyclictest3514-21snmpd08:41:482
296269943,0cyclictest3514-21snmpd07:47:332
296269943,0cyclictest3514-21snmpd07:30:482
296269943,0cyclictest26931-21awk08:15:542
296269943,0cyclictest26926-21awk11:45:512
296269943,0cyclictest1897-21awk12:30:532
296269943,0cyclictest18329-21awk07:20:532
296269943,0cyclictest11544-21awk10:55:522
296209944,0cyclictest0-21swapper/110:42:261
296209943,0cyclictest8800-21awk08:50:521
296209943,0cyclictest3556-21lldpd12:02:571
296209943,0cyclictest3556-21lldpd11:54:571
296209943,0cyclictest3556-21lldpd11:48:271
296209943,0cyclictest3556-21lldpd11:31:261
296209943,0cyclictest3556-21lldpd11:22:261
296209943,0cyclictest3556-21lldpd11:19:561
296209943,0cyclictest3556-21lldpd10:18:261
296209943,0cyclictest3514-21snmpd11:38:031
296209943,0cyclictest3514-21snmpd10:23:031
296209943,0cyclictest28929-21awk09:05:531
296209943,0cyclictest27853-21awk08:40:531
296209943,0cyclictest22164-21awk09:00:521
296209943,0cyclictest2075-21awk08:45:531
296209943,0cyclictest15454-21awk08:55:521
296209943,0cyclictest13672-21awk08:05:541
296119943,0cyclictest6990-21awk08:00:520
296119943,0cyclictest5930-21awk07:35:530
296119943,0cyclictest4961-21awk09:30:540
296119943,0cyclictest3556-21lldpd10:35:260
296119943,0cyclictest3556-21lldpd10:25:560
296119943,0cyclictest3556-21lldpd09:47:240
296119943,0cyclictest3556-21lldpd07:47:230
296119943,0cyclictest3514-21snmpd11:07:480
296119943,0cyclictest3514-21snmpd08:06:030
296119943,0cyclictest3241-21irqbalance12:30:460
296119943,0cyclictest3241-21irqbalance12:25:560
296119943,0cyclictest3241-21irqbalance12:25:360
296119943,0cyclictest3241-21irqbalance11:12:570
296119943,0cyclictest3241-21irqbalance10:50:570
296119943,0cyclictest3241-21irqbalance10:46:070
296119943,0cyclictest3241-21irqbalance08:51:070
296119943,0cyclictest3241-21irqbalance08:45:570
296119943,0cyclictest3241-21irqbalance08:35:470
296119943,0cyclictest3241-21irqbalance07:15:470
296119943,0cyclictest3241-21irqbalance07:10:580
296119943,0cyclictest30688-21awk07:05:520
296119943,0cyclictest26051-21awk07:50:520
296119943,0cyclictest20923-21ps09:20:540
296119943,0cyclictest20298-21awk08:10:520
296119943,0cyclictest19890-21awk10:40:530
296119943,0cyclictest18953-21awk11:40:500
296119943,0cyclictest14539-21awk08:30:520
296119943,0cyclictest1119-21awk08:20:530
296119940,0cyclictest7014-21munin-node08:25:510
259940,0migration/29790-21rt-features09:31:002
259940,0migration/2855-21unixbench-2d10:26:002
259940,0migration/231738-21kthreadcore07:05:542
259940,0migration/229222-21kthreadcore11:05:552
259940,0migration/227732-21idleruntime-cro09:05:392
259940,0migration/225527-21fschecks_count07:50:502
259940,0migration/220676-21kthreadcore12:00:542
259940,0migration/214985-21kthreadcore08:30:542
259940,0migration/210397-21taskset07:13:402
249940,0watchdog/220370-21iostat_ios08:10:532
249940,0watchdog/218022-21missed_timers08:05:572
249940,0watchdog/20-21swapper/209:45:532
249940,0watchdog/20-21swapper/207:35:572
249940,0watchdog/20-21swapper/207:26:012
179940,0migration/17309-21kthreadcore07:10:541
179940,0migration/15105-21kthreadcore08:20:561
179940,0migration/14973-21kthreadcore10:10:541
179940,0migration/14583-21kthreadcore11:10:561
179940,0migration/14043-21aten_r1power_en09:30:491
179940,0migration/126980-21runrttasks09:43:321
179940,0migration/126599-21fschecks_time08:15:521
179940,0migration/125173-21taskset11:01:561
179940,0migration/119159-21kthreadcore12:20:531
179940,0migration/117039-21needreboot09:55:591
179940,0migration/116214-21kthreadcore08:30:541
179940,0migration/11537-21kthreadcore07:30:551
179940,0migration/114749-21kthreadcore09:15:561
179940,0migration/111872-21kthreadcore12:15:541
179940,0migration/111822-21munin-node10:35:531
179940,0migration/111679-21munin-node07:15:551
179940,0migration/111641-21kthreadcore11:55:541
179940,0migration/111098-21kthreadcore08:25:551
169940,0watchdog/17154-21irqcore08:00:531
169940,0watchdog/129127-21ssh09:25:531
169940,0watchdog/129065-21kthreadcore10:45:561
169940,0watchdog/110475-21grep07:35:571
169940,0watchdog/10-21swapper/112:25:521
149940,0migration/04778-21kthreadcore10:10:540
149940,0migration/030103-21kthreadcore09:25:540
149940,0migration/029556-21kthreadcore12:05:550
149940,0migration/026117-21aten_r1power_po11:45:480
149940,0migration/020685-21kthreadcore11:20:550
149940,0migration/019400-21aten_r1power_vo10:20:500
149940,0migration/01818-21kthreadcore07:55:550
149940,0migration/018102-21taskset10:38:560
149940,0migration/017965-21timerwakeupswit09:36:020
149940,0migration/017806-21runrttasks07:41:230
149940,0migration/01506-21latency_hist11:50:380
149940,0migration/014606-21kthreadcore09:15:560
339930,0migration/319091-21runrttasks08:10:143
29715030,0irq/26-eth0-rx-0-21swapper/308:20:503
29715030,0irq/26-eth0-rx-0-21swapper/308:11:043
29715030,0irq/26-eth0-rx-0-21swapper/307:45:523
29715030,0irq/26-eth0-rx-0-21swapper/307:35:523
296269932,0cyclictest11707-21kthreadcore08:25:552
296269930,0cyclictest6779-21perl08:00:512
296209933,0cyclictest27737-21awk11:05:541
296209932,0cyclictest3556-21lldpd07:20:531
296209932,0cyclictest30775-21awk07:05:531
296209932,0cyclictest2146-21awk12:10:511
296209932,0cyclictest20006-21cut08:10:511
296119932,0cyclictest3738-21basename09:10:500
296119932,0cyclictest3514-21snmpd12:02:450
296119932,0cyclictest15596-21seq12:16:130
296119930,0cyclictest17462-21munin-node07:20:540
296119930,0cyclictest17043-21python10:16:000
179930,0migration/118389-21latency_hist07:45:391
169930,0watchdog/129947-21timerwakeupswit07:26:011
169930,0watchdog/10-21swapper/109:45:531
169930,0watchdog/10-21swapper/107:50:531
29715020,0irq/26-eth0-rx-0-21swapper/307:05:583
296269921,0cyclictest20241-21latency_hist08:35:392
296209921,0cyclictest0-21swapper/107:40:521
296119920,0cyclictest9595-21cut11:55:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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