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2026-01-19 - 02:00
[ 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 Mon Jan 19, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3198224938,0sleep00-21swapper/019:06:250
304450450,0irq/25-eth10-21swapper/319:01:503
3177423525,0sleep20-21swapper/219:03:582
3190723329,0sleep10-21swapper/119:05:341
320659988,0cyclictest804-21sensors19:51:522
339960,0migration/35210-21sh22:09:513
339960,0migration/34616-21sh00:31:443
339960,0migration/328580-21sh23:03:383
339960,0migration/327088-21needreboot23:21:523
339960,0migration/315191-21idleruntime21:16:463
339960,0migration/313319-21sh23:36:373
339960,0migration/312325-21sh22:12:093
320649966,0cyclictest3514-21snmpd23:06:121
320649966,0cyclictest0-21swapper/123:54:301
29715060,0irq/26-eth0-rx-8387-21cut22:31:493
29715060,0irq/26-eth0-rx-15720-21kthreadcore23:56:473
35150,0ktimersoftd/30-21swapper/323:51:073
339950,0migration/39999-21kthreadcore22:51:503
339950,0migration/38353-21munin-node20:21:513
339950,0migration/37219-21fschecks_time21:31:453
339950,0migration/34776-21kthreadcore19:56:493
339950,0migration/34344-21sh23:08:503
339950,0migration/329496-21latency_hist20:41:333
339950,0migration/329266-21diskmemload21:23:303
339950,0migration/329041-21aten2.4-expect00:26:423
339950,0migration/328650-21aten_r1power_fr20:16:443
339950,0migration/327914-21kernelversion19:26:483
339950,0migration/327759-21timerwakeupswit20:11:553
339950,0migration/325454-21kthreadcore19:46:483
339950,0migration/323258-21kthreadcore00:21:493
339950,0migration/321831-21fschecks_count23:41:453
339950,0migration/320298-21kthreadcore20:31:483
339950,0migration/319824-21sh23:17:113
339950,0migration/318567-21munin-node00:16:533
339950,0migration/318032-21kthreadcore21:56:493
339950,0migration/317271-21kthreadcore21:36:503
339950,0migration/315341-21kthreadcore20:51:493
339950,0migration/312523-21taskset21:52:103
339950,0migration/31214-21kthreadcore00:06:493
339950,0migration/310083-21kthreadcore20:01:483
320659955,0cyclictest0-21swapper/222:39:162
320659955,0cyclictest0-21swapper/221:59:132
320659955,0cyclictest0-21swapper/221:47:332
320659955,0cyclictest0-21swapper/200:31:592
320659950,0cyclictest0-21swapper/222:58:302
320649955,0cyclictest0-21swapper/123:23:081
320649955,0cyclictest0-21swapper/123:07:031
320639955,0cyclictest0-21swapper/023:38:480
320639955,0cyclictest0-21swapper/023:21:080
320639955,0cyclictest0-21swapper/021:27:470
320639955,0cyclictest0-21swapper/000:28:560
320639950,0cyclictest0-21swapper/023:57:520
320639950,0cyclictest0-21swapper/022:54:200
320639950,0cyclictest0-21swapper/021:57:440
29725050,0irq/27-eth0-tx-9578-21munin-node20:26:450
29725050,0irq/27-eth0-tx-9225-21kthreadcore23:11:492
29725050,0irq/27-eth0-tx-7457-21irqstats21:11:502
29725050,0irq/27-eth0-tx-6602-21munin-node19:11:470
29725050,0irq/27-eth0-tx-5868-21munin-node22:31:462
29725050,0irq/27-eth0-tx-5738-21munin-node22:51:512
29725050,0irq/27-eth0-tx-5309-21fschecks_count00:11:442
29725050,0irq/27-eth0-tx-5296-21munin-node23:31:512
29725050,0irq/27-eth0-tx-4018-21ssh22:26:592
29725050,0irq/27-eth0-tx-32553-21kthreadcore23:46:502
29725050,0irq/27-eth0-tx-15470-21if_eth021:36:482
29725050,0irq/27-eth0-tx-0-21swapper/223:59:032
29725050,0irq/27-eth0-tx-0-21swapper/222:11:062
29725050,0irq/27-eth0-tx-0-21swapper/200:04:552
29725050,0irq/27-eth0-tx-0-21swapper/020:41:530
29725050,0irq/27-eth0-tx-0-21swapper/020:36:500
29725050,0irq/27-eth0-tx-0-21swapper/019:51:510
29715050,0irq/26-eth0-rx-6925-21kthreadcore23:31:483
29715050,0irq/26-eth0-rx-6341-21irqrtprio23:51:493
29715050,0irq/26-eth0-rx-3817-21munin-node20:46:493
29715050,0irq/26-eth0-rx-29858-21ssh22:05:523
29715050,0irq/26-eth0-rx-15294-21kthreadcore22:36:483
29715050,0irq/26-eth0-rx-14589-21hostname22:56:483
29715050,0irq/26-eth0-rx-0-21swapper/323:11:553
29715050,0irq/26-eth0-rx-0-21swapper/322:46:353
29715050,0irq/26-eth0-rx-0-21swapper/322:45:063
29715050,0irq/26-eth0-rx-0-21swapper/322:16:533
29715050,0irq/26-eth0-rx-0-21swapper/321:51:183
29715050,0irq/26-eth0-rx-0-21swapper/321:46:093
29715050,0irq/26-eth0-rx-0-21swapper/321:26:483
29715050,0irq/26-eth0-rx-0-21swapper/321:13:123
29715050,0irq/26-eth0-rx-0-21swapper/319:51:473
29715050,0irq/26-eth0-rx-0-21swapper/300:12:023
259950,0migration/28173-21kthreadcore19:11:512
259950,0migration/27856-21sh21:31:482
259950,0migration/26138-21aten_r1power_fr22:11:432
259950,0migration/24120-21munin-node21:06:552
259950,0migration/229630-21sh21:24:292
259950,0migration/229389-21sh21:43:502
259950,0migration/222963-21sh00:21:492
259950,0migration/220177-21munin-node21:16:542
259950,0migration/21169-21cpuspeed_turbos19:31:452
259950,0migration/210480-21latency23:51:512
249950,0watchdog/227545-21ssh23:42:022
19150,0ktimersoftd/10-21swapper/122:47:301
19150,0ktimersoftd/10-21swapper/122:03:121
19150,0ktimersoftd/10-21swapper/121:49:391
19150,0ktimersoftd/10-21swapper/121:43:491
19150,0ktimersoftd/10-21swapper/121:28:451
179950,0migration/18689-21kthreadcore00:31:511
179950,0migration/18587-21kthreadcore23:11:491
179950,0migration/14528-21sh00:11:201
179950,0migration/13388-21fschecks_count20:21:461
179950,0migration/131835-21kthreadcore19:26:501
179950,0migration/129605-21sh22:25:421
179950,0migration/121915-21latency_hist22:21:311
179950,0migration/120760-21sh21:37:091
179950,0migration/120070-21kthreadcore20:31:481
179950,0migration/113412-21munin-node19:16:431
179950,0migration/111862-21munin-node21:51:521
169950,0watchdog/127801-21sed20:11:551
149950,0migration/09684-21kthreadcore19:36:480
149950,0migration/04504-21sh22:28:250
149950,0migration/026360-21missed_timers00:21:500
149950,0migration/026018-21kthreadcore22:41:490
149950,0migration/022507-21fschecks_time23:01:480
149950,0migration/016200-21kthreadcore22:16:490
339940,0migration/34185-21taskset23:29:063
339940,0migration/33425-21kthreadcore19:31:493
339940,0migration/323055-21kthreadcore00:01:503
339940,0migration/314186-21kthreadcore20:26:503
339940,0migration/313845-21taskset19:39:183
320659944,0cyclictest0-21swapper/223:06:322
320659943,0cyclictest3556-21lldpd20:27:492
320659943,0cyclictest3514-21snmpd20:07:062
320659943,0cyclictest3514-21snmpd19:58:512
320659943,0cyclictest3514-21snmpd19:40:212
320659943,0cyclictest3514-21snmpd19:16:512
320659943,0cyclictest3241-21irqbalance22:17:102
320659943,0cyclictest3241-21irqbalance00:07:202
320659943,0cyclictest29542-21awk20:16:482
320659943,0cyclictest18142-21awk20:56:482
320659943,0cyclictest11463-21awk20:51:462
320649944,0cyclictest0-21swapper/122:59:011
320649944,0cyclictest0-21swapper/120:16:471
320649943,0cyclictest9510-21awk20:01:471
320649943,0cyclictest3514-21snmpd00:22:371
320649943,0cyclictest3514-21snmpd00:20:221
320649943,0cyclictest3241-21irqbalance23:41:401
320649943,0cyclictest3241-21irqbalance23:36:401
320649943,0cyclictest3241-21irqbalance23:33:401
320649943,0cyclictest3241-21irqbalance22:06:401
320649943,0cyclictest3241-21irqbalance21:32:311
320649943,0cyclictest3241-21irqbalance21:07:211
320649943,0cyclictest3241-21irqbalance19:21:511
320649943,0cyclictest3241-21irqbalance00:14:501
320649943,0cyclictest14794-21awk22:36:471
320639944,0cyclictest0-21swapper/020:51:500
320639944,0cyclictest0-21swapper/000:20:060
320639943,0cyclictest7395-21sadc19:36:330
320639943,0cyclictest7167-21awk21:51:470
320639943,0cyclictest6453-21awk23:11:460
320639943,0cyclictest5506-21awk00:31:480
320639943,0cyclictest3556-21lldpd21:46:490
320639943,0cyclictest3514-21snmpd21:26:070
320639943,0cyclictest3514-21snmpd00:10:520
320639943,0cyclictest3241-21irqbalance22:48:200
320639943,0cyclictest3241-21irqbalance22:32:300
320639943,0cyclictest3241-21irqbalance22:23:100
320639943,0cyclictest3241-21irqbalance21:01:510
320639943,0cyclictest3241-21irqbalance00:13:000
320639943,0cyclictest30826-21awk23:06:480
320639943,0cyclictest30513-21awk23:26:460
320639943,0cyclictest22814-21awk20:11:470
320639943,0cyclictest22104-21awk00:01:480
320639943,0cyclictest14652-21awk22:56:480
320639940,0cyclictest0-21swapper/019:21:540
320639940,0cyclictest0-21swapper/019:20:330
29725040,0irq/27-eth0-tx-3817-21munin-node20:46:560
29725040,0irq/27-eth0-tx-30003-21ssh22:46:412
29725040,0irq/27-eth0-tx-2960-21telnet20:21:440
29725040,0irq/27-eth0-tx-0-21swapper/223:16:572
29725040,0irq/27-eth0-tx-0-21swapper/223:01:512
29725040,0irq/27-eth0-tx-0-21swapper/222:44:002
29725040,0irq/27-eth0-tx-0-21swapper/222:21:322
29725040,0irq/27-eth0-tx-0-21swapper/222:01:512
29725040,0irq/27-eth0-tx-0-21swapper/221:51:442
29725040,0irq/27-eth0-tx-0-21swapper/221:26:532
29725040,0irq/27-eth0-tx-0-21swapper/020:56:560
29725040,0irq/27-eth0-tx-0-21swapper/019:06:570
29715040,0irq/26-eth0-rx-7929-21ps19:11:513
29715040,0irq/26-eth0-rx-29345-21latency_hist20:41:333
29715040,0irq/26-eth0-rx-0-21swapper/322:27:403
29715040,0irq/26-eth0-rx-0-21swapper/322:22:153
29715040,0irq/26-eth0-rx-0-21swapper/321:06:503
29715040,0irq/26-eth0-rx-0-21swapper/320:06:463
259940,0migration/28639-21kthreadcore20:46:512
259940,0migration/24072-21kthreadcore19:06:512
259940,0migration/229840-21if_eth000:26:462
259940,0migration/229354-21pmu-power21:01:522
259940,0migration/225123-21kthreadcore20:36:502
259940,0migration/218463-21kthreadcore20:31:482
259940,0migration/213669-21cpuspeed_turbos23:36:442
249940,0watchdog/23719-21ls20:21:472
249940,0watchdog/232059-21munin-node19:26:512
249940,0watchdog/22689-21missed_timers23:26:502
249940,0watchdog/223502-21kthreadcore23:21:502
249940,0watchdog/215196-21cut00:16:502
249940,0watchdog/20-21swapper/220:11:552
249940,0watchdog/20-21swapper/219:41:432
179940,0migration/18190-21fschecks_time19:36:441
179940,0migration/18183-21kthreadcore22:31:491
179940,0migration/17636-21kthreadcore20:46:501
179940,0migration/17174-21irqcore22:11:471
179940,0migration/15584-21kthreadcore19:31:501
179940,0migration/129716-21aten_r1power_fr23:26:421
179940,0migration/123704-21irqcore21:21:481
179940,0migration/122703-21hddtemp_smartct22:41:451
179940,0migration/116771-21taskset20:54:301
179940,0migration/116687-21kthreadcore21:16:491
179940,0migration/116633-21kthreadcore19:41:471
179940,0migration/116401-21kthreadcore21:56:491
179940,0migration/116153-21kthreadcore23:16:481
179940,0migration/115903-21fschecks_time20:06:461
169940,0watchdog/13949-21ssh23:48:581
169940,0watchdog/13157-21ssh00:28:181
169940,0watchdog/13041-21kthreadcore19:06:511
169940,0watchdog/123534-21cut00:01:501
169940,0watchdog/112444-21ssh21:12:181
169940,0watchdog/10-21swapper/119:11:511
149940,0migration/0663-21kthreadcore23:46:490
149940,0migration/03249-21kthreadcore22:06:500
149940,0migration/031422-21if_eth021:06:470
149940,0migration/028225-21taskset23:43:590
149940,0migration/026352-21netstat19:46:490
149940,0migration/024939-21kthreadcore21:41:480
149940,0migration/018347-21kthreadcore22:36:490
149940,0migration/017621-21kthreadcore19:41:480
320659933,0cyclictest0-21swapper/219:22:302
320659932,0cyclictest21797-21awk19:46:452
320659931,0cyclictest9167-21fschecks_time20:01:452
320649933,0cyclictest31059-21awk22:26:471
320649932,0cyclictest30484-21awk20:41:481
320649932,0cyclictest28437-21awk19:51:461
320649932,0cyclictest2714-21awk19:56:471
320649932,0cyclictest14068-21awk23:56:451
320649932,0cyclictest11208-21kthreadcore20:26:491
320639932,0cyclictest7435-21awk21:31:470
320639932,0cyclictest7084-21awk21:11:480
320639932,0cyclictest5387-21aten2.4-expect23:31:430
320639932,0cyclictest3514-21snmpd20:02:210
320639932,0cyclictest3241-21irqbalance23:52:100
320639932,0cyclictest29567-21grep19:26:490
320639932,0cyclictest29430-21awk20:16:470
320639932,0cyclictest28103-21sensors22:01:510
320639932,0cyclictest22077-21grep23:21:460
320639932,0cyclictest1966-21basename19:56:440
320639932,0cyclictest15569-21awk21:36:480
320639932,0cyclictest15218-21awk21:16:460
320639931,0cyclictest18896-21kthreadcore20:31:480
320639930,0cyclictest15679-21diskstats20:06:460
29715030,0irq/26-eth0-rx-0-21swapper/321:01:433
29715030,0irq/26-eth0-rx-0-21swapper/320:56:443
29715030,0irq/26-eth0-rx-0-21swapper/319:41:423
29715030,0irq/26-eth0-rx-0-21swapper/319:21:583
29715030,0irq/26-eth0-rx-0-21swapper/319:06:453
249930,0watchdog/20-21swapper/220:41:512
179930,0migration/124883-21irqcore21:01:481
169930,0watchdog/10-21swapper/122:51:501
169930,0watchdog/10-21swapper/120:56:461
169930,0watchdog/10-21swapper/120:36:471
169930,0watchdog/10-21swapper/119:46:431
149930,0migration/013625-21sh22:15:520
35120,0ktimersoftd/317140-21kthreadcore19:16:493
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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