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2026-03-01 - 10:16
[ 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 Mar 01, 2026 00:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1655624837,0sleep00-21swapper/019:00:380
1646723625,0sleep30-21swapper/318:59:373
1650123430,0sleep20-21swapper/218:59:562
1634223324,0sleep10-21swapper/118:58:071
339960,0migration/35118-21sh23:14:213
339960,0migration/34451-21sh00:15:563
339960,0migration/331196-21sh21:30:013
339960,0migration/328016-21sh00:08:333
339960,0migration/323147-21sh21:45:503
339960,0migration/322449-21sh22:46:313
339960,0migration/314764-21sh22:00:313
339960,0migration/314244-21sh21:38:173
29715060,0irq/26-eth0-rx-31689-21ssh21:11:513
259960,0migration/222667-21taskset22:47:082
168039966,0cyclictest0-21swapper/200:15:342
168039960,0cyclictest0-21swapper/223:24:392
168019960,0cyclictest0-21swapper/023:23:250
168019960,0cyclictest0-21swapper/022:28:050
149960,0migration/08652-21latency_hist20:52:400
149960,0migration/06867-21sh21:15:050
149960,0migration/02626-21latency00:12:580
149960,0migration/014136-21sh22:19:370
4150,0ktimersoftd/00-21swapper/000:07:440
35150,0ktimersoftd/30-21swapper/300:04:483
339950,0migration/38044-21taskset21:17:443
339950,0migration/37375-21idleruntime23:17:543
339950,0migration/34942-21kthreadcore21:32:583
339950,0migration/34669-21munin-node22:32:593
339950,0migration/329263-21sh23:08:433
339950,0migration/327570-21kthreadcore19:22:583
339950,0migration/324065-21crond19:12:413
339950,0migration/323391-21irqrtprio23:47:563
339950,0migration/32316-21kthreadcore21:12:573
339950,0migration/318121-21kthreadcore21:02:533
339950,0migration/314466-21latency_hist23:22:403
339950,0migration/31093-21cpuspeed_turbos20:37:543
339950,0migration/310288-21irqcore19:52:573
29725050,0irq/27-eth0-tx-7445-21if_err_eth1.323:17:542
29725050,0irq/27-eth0-tx-27950-21ssh00:08:212
29725050,0irq/27-eth0-tx-24376-21munin-node21:27:592
29725050,0irq/27-eth0-tx-19900-21ssh00:24:192
29725050,0irq/27-eth0-tx-17675-21munin-node19:08:012
29725050,0irq/27-eth0-tx-14913-21ssh21:40:142
29725050,0irq/27-eth0-tx-14826-21cat22:42:352
29725050,0irq/27-eth0-tx-0-21swapper/223:28:082
29725050,0irq/27-eth0-tx-0-21swapper/221:34:232
29715050,0irq/26-eth0-rx-7800-21if_eth122:57:583
29715050,0irq/26-eth0-rx-5589-21munin-node22:13:093
29715050,0irq/26-eth0-rx-32459-21kthreadcore22:52:573
29715050,0irq/26-eth0-rx-30991-21timerandwakeup20:23:033
29715050,0irq/26-eth0-rx-23345-21ssh21:25:363
29715050,0irq/26-eth0-rx-16976-21kthreadcore23:02:573
29715050,0irq/26-eth0-rx-0-21swapper/323:53:013
29715050,0irq/26-eth0-rx-0-21swapper/323:43:473
29715050,0irq/26-eth0-rx-0-21swapper/323:40:293
29715050,0irq/26-eth0-rx-0-21swapper/323:33:353
29715050,0irq/26-eth0-rx-0-21swapper/322:49:103
29715050,0irq/26-eth0-rx-0-21swapper/322:38:003
29715050,0irq/26-eth0-rx-0-21swapper/322:02:563
29715050,0irq/26-eth0-rx-0-21swapper/321:53:133
29715050,0irq/26-eth0-rx-0-21swapper/321:50:173
29715050,0irq/26-eth0-rx-0-21swapper/300:22:573
29715050,0irq/26-eth0-rx-0-21swapper/300:17:473
259950,0migration/26271-21munin-node20:38:012
259950,0migration/230471-21runrttasks21:08:382
259950,0migration/223362-21sh21:46:282
259950,0migration/216344-21kthreadcore23:42:572
259950,0migration/215591-21munin-node22:22:522
259950,0migration/213255-21smart_sdb22:18:012
259950,0migration/211694-21netstat23:37:582
249950,0watchdog/225215-21munin-node20:22:552
179950,0migration/126412-21irqrtprio20:22:571
179950,0migration/122415-21sh00:07:531
168039955,0cyclictest0-21swapper/223:17:142
168039955,0cyclictest0-21swapper/222:14:202
168039950,0cyclictest0-21swapper/223:59:392
168039950,0cyclictest0-21swapper/221:51:472
168039950,0cyclictest0-21swapper/221:17:542
168029955,0cyclictest0-21swapper/122:47:551
168029950,0cyclictest0-21swapper/122:26:011
168019954,0cyclictest2348-21cut19:37:550
168019950,0cyclictest0-21swapper/022:39:450
169950,0watchdog/16055-21unixbench_singl21:13:031
149950,0migration/09902-21kthreadcore21:57:590
149950,0migration/09059-21if_eth121:17:560
149950,0migration/08086-21taskset19:44:220
149950,0migration/0507-21irqcore22:12:590
149950,0migration/030949-21aten_r1power_en23:12:510
149950,0migration/030897-21hwlatdetect23:52:530
149950,0migration/030721-21aten_r1power_vo23:32:510
149950,0migration/030103-21taskset22:50:290
149950,0migration/027769-21kthreadcore21:07:580
149950,0migration/023487-21fschecks_time23:07:520
149950,0migration/023040-21timerandwakeup20:08:050
149950,0migration/022957-21missed_timers19:08:010
149950,0migration/022868-21gltestperf23:47:530
149950,0migration/021297-21kthreadcore21:02:540
149950,0migration/020644-21sh00:26:320
149950,0migration/019801-21kthreadcore22:22:580
149950,0migration/012353-21sh23:59:300
149950,0migration/011532-21sh00:18:080
8215040,0irq/24-0000:00:0-21swapper/223:47:402
8215040,0irq/24-0000:00:0-21swapper/200:02:402
339940,0migration/324957-21irqcore22:07:573
339940,0migration/324797-21taskset20:20:393
339940,0migration/316624-21taskset20:02:543
29725040,0irq/27-eth0-tx-6995-21ssh21:56:152
29725040,0irq/27-eth0-tx-17283-21munin-node20:07:572
29725040,0irq/27-eth0-tx-0-21swapper/223:54:162
29725040,0irq/27-eth0-tx-0-21swapper/222:47:502
29725040,0irq/27-eth0-tx-0-21swapper/222:29:372
29725040,0irq/27-eth0-tx-0-21swapper/222:03:102
29725040,0irq/27-eth0-tx-0-21swapper/221:22:532
29725040,0irq/27-eth0-tx-0-21swapper/221:12:412
29725040,0irq/27-eth0-tx-0-21swapper/221:03:192
29725040,0irq/27-eth0-tx-0-21swapper/200:27:562
29715040,0irq/26-eth0-rx-0-21swapper/323:57:563
29715040,0irq/26-eth0-rx-0-21swapper/323:27:583
29715040,0irq/26-eth0-rx-0-21swapper/322:27:593
29715040,0irq/26-eth0-rx-0-21swapper/322:23:153
29715040,0irq/26-eth0-rx-0-21swapper/322:20:453
29715040,0irq/26-eth0-rx-0-21swapper/320:07:573
29715040,0irq/26-eth0-rx-0-21swapper/319:18:163
29715040,0irq/26-eth0-rx-0-21swapper/300:27:583
27140,0ktimersoftd/20-21swapper/220:05:102
259940,0migration/27939-21irqcore22:57:592
259940,0migration/24263-21kthreadcore19:37:562
259940,0migration/232090-21runrttasks20:30:112
259940,0migration/227952-21kthreadcore22:07:582
259940,0migration/221037-21sh23:03:092
249940,0watchdog/229024-21vmstat23:08:022
249940,0watchdog/217248-21chrt19:05:352
249940,0watchdog/20-21swapper/222:32:502
249940,0watchdog/20-21swapper/220:02:352
179940,0migration/19830-21kthreadcore21:17:571
179940,0migration/19007-21kthreadcore22:58:001
179940,0migration/126771-21kthreadcore22:27:581
179940,0migration/12464-21kthreadcore20:37:591
179940,0migration/122895-21aten_r1power_cu23:07:491
179940,0migration/115721-21taskset20:59:561
168039943,0cyclictest8679-21awk21:57:572
168039943,0cyclictest8592-21sadc20:52:402
168039943,0cyclictest8271-40yum-updatesd-he19:46:342
168039943,0cyclictest6231-21awk00:17:542
168039943,0cyclictest32325-21ps22:52:562
168039943,0cyclictest31552-21awk23:32:552
168039943,0cyclictest26466-21awk19:22:562
168029944,0cyclictest0-21swapper/123:05:351
168029944,0cyclictest0-21swapper/122:12:461
168029944,0cyclictest0-21swapper/121:37:551
168029943,0cyclictest9701-21awk20:52:561
168029943,0cyclictest6736-21awk23:57:551
168029943,0cyclictest6339-21awk00:17:551
168029943,0cyclictest3556-21lldpd22:52:591
168029943,0cyclictest3556-21lldpd22:07:591
168029943,0cyclictest3556-21lldpd22:00:291
168029943,0cyclictest3556-21lldpd21:34:301
168029943,0cyclictest3556-21lldpd00:29:021
168029943,0cyclictest3514-21snmpd20:36:081
168029943,0cyclictest3514-21snmpd20:18:081
168029943,0cyclictest3514-21snmpd20:03:081
168029943,0cyclictest3241-21irqbalance23:13:181
168029943,0cyclictest3241-21irqbalance22:02:491
168029943,0cyclictest3241-21irqbalance21:53:291
168029943,0cyclictest3241-21irqbalance20:12:591
168029943,0cyclictest3241-21irqbalance20:07:591
168029943,0cyclictest3241-21irqbalance19:57:491
168029943,0cyclictest3241-21irqbalance19:55:091
168029943,0cyclictest3241-21irqbalance19:49:591
168029943,0cyclictest3241-21irqbalance19:42:591
168029943,0cyclictest3241-21irqbalance19:37:591
168029943,0cyclictest3241-21irqbalance19:33:591
168029943,0cyclictest3241-21irqbalance19:27:491
168029943,0cyclictest3241-21irqbalance19:22:491
168029943,0cyclictest3241-21irqbalance19:17:491
168029943,0cyclictest3241-21irqbalance19:12:491
168029943,0cyclictest3241-21irqbalance19:08:291
168029943,0cyclictest32019-21sadc21:12:401
168029943,0cyclictest30992-21awk23:52:541
168029943,0cyclictest24917-21awk21:47:541
168029943,0cyclictest17282-21awk21:22:551
168029940,0cyclictest0-21swapper/100:22:501
168019944,0cyclictest0-21swapper/023:30:030
168019944,0cyclictest0-21swapper/022:53:000
168019944,0cyclictest0-21swapper/022:08:420
168019944,0cyclictest0-21swapper/021:25:010
168019943,0cyclictest566-21awk21:52:560
168019943,0cyclictest3514-21snmpd22:36:240
168019943,0cyclictest3514-21snmpd19:33:080
168019943,0cyclictest25170-21kworker/0:021:42:500
168019943,0cyclictest1672-21awk20:37:570
168019943,0cyclictest14296-21sadc23:22:400
168019940,0cyclictest0-21swapper/023:46:320
169940,0watchdog/16560-21aten_r1power_cu23:17:501
169940,0watchdog/14178-21sed23:33:021
169940,0watchdog/123222-21ssh21:46:031
169940,0watchdog/122958-21ls23:47:541
169940,0watchdog/122564-21ssh21:04:071
169940,0watchdog/119194-21kthreadcore23:22:581
169940,0watchdog/116040-21munin-node22:42:541
169940,0watchdog/115969-21diskmemload22:17:511
169940,0watchdog/10-21swapper/123:44:381
169940,0watchdog/10-21swapper/123:37:581
169940,0watchdog/10-21swapper/123:27:541
169940,0watchdog/10-21swapper/122:32:581
149940,0migration/07758-21sh22:57:580
149940,0migration/06081-21latency_hist23:37:400
149940,0migration/029014-21kthreadcore20:22:580
149940,0migration/028634-21sh00:31:440
149940,0migration/025560-21kthreadcore21:47:560
149940,0migration/019002-21kthreadcore23:02:570
149940,0migration/01224-21irqrtprio21:32:560
4130,0ktimersoftd/00-21swapper/019:03:270
35130,0ktimersoftd/30-21swapper/320:50:493
339930,0migration/37444-21taskset19:39:363
29725030,0irq/27-eth0-tx-0-21swapper/219:52:572
29715030,0irq/26-eth0-rx-0-21swapper/320:53:543
29715030,0irq/26-eth0-rx-0-21swapper/320:45:533
29715030,0irq/26-eth0-rx-0-21swapper/320:29:553
29715030,0irq/26-eth0-rx-0-21swapper/320:14:593
29715030,0irq/26-eth0-rx-0-21swapper/320:01:093
29715030,0irq/26-eth0-rx-0-21swapper/319:48:343
29715030,0irq/26-eth0-rx-0-21swapper/319:47:203
29715030,0irq/26-eth0-rx-0-21swapper/319:33:013
29715030,0irq/26-eth0-rx-0-21swapper/319:14:453
29715030,0irq/26-eth0-rx-0-21swapper/319:06:093
27130,0ktimersoftd/20-21swapper/219:28:452
259930,0migration/27791-21runrttasks20:46:052
259930,0migration/224205-21runrttasks20:16:192
249930,0watchdog/20-21swapper/220:59:352
249930,0watchdog/20-21swapper/219:34:112
19130,0ktimersoftd/10-21swapper/120:50:491
179930,0migration/17739-21fschecks_time22:37:551
168039932,0cyclictest9812-21awk20:52:562
168039932,0cyclictest3514-21snmpd19:47:532
168029932,0cyclictest3514-21snmpd20:28:081
168029932,0cyclictest3514-21snmpd19:03:261
168029932,0cyclictest30560-21awk00:12:551
168029932,0cyclictest25355-21awk21:27:561
168019933,0cyclictest24905-21kworker/0:020:58:240
168019933,0cyclictest24905-21kworker/0:020:43:000
168019933,0cyclictest24905-21kworker/0:020:36:100
168019933,0cyclictest24905-21kworker/0:020:30:240
168019933,0cyclictest24905-21kworker/0:020:20:060
168019933,0cyclictest24905-21kworker/0:020:03:060
168019933,0cyclictest24905-21kworker/0:019:59:280
168019933,0cyclictest24905-21kworker/0:019:55:300
168019933,0cyclictest24905-21kworker/0:019:47:480
168019933,0cyclictest24905-21kworker/0:019:28:060
168019933,0cyclictest24905-21kworker/0:019:18:160
168019933,0cyclictest24905-21kworker/0:019:13:460
168019932,0cyclictest3514-21snmpd20:13:380
168019932,0cyclictest26089-21tune2fs19:22:540
168019932,0cyclictest25264-21awk21:27:550
168019932,0cyclictest21614-21grep22:03:020
168019931,0cyclictest18189-21kthreadcore22:42:570
168019930,0cyclictest9511-21perl20:52:540
168019930,0cyclictest0-21swapper/021:37:530
168019930,0cyclictest0-21swapper/000:03:060
169930,0watchdog/10-21swapper/100:02:501
29715020,0irq/26-eth0-rx-0-21swapper/320:58:273
29715020,0irq/26-eth0-rx-0-21swapper/320:34:433
29715020,0irq/26-eth0-rx-0-21swapper/319:27:583
168039921,0cyclictest3241-21irqbalance20:32:492
168039921,0cyclictest24256-21sed19:12:412
168039920,0cyclictest24474-21sort20:17:412
168039920,0cyclictest0-21swapper/219:17:412
169920,0watchdog/10-21swapper/120:42:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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