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2026-02-19 - 23:24
[ 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 the 376 highest latencies:
System rack1slot2s.osadl.org (updated Thu Feb 19, 2026 12:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304450370,0irq/25-eth10-21swapper/307:02:533
1427123524,0sleep00-21swapper/007:03:220
1402423223,0sleep10-21swapper/107:00:301
770422723,0sleep20-21swapper/206:58:352
14359991111,0cyclictest5086-21sensors08:53:572
339960,0migration/38645-21switchtime11:18:583
339960,0migration/37852-21sh12:19:003
339960,0migration/332624-21sh11:54:173
339960,0migration/33242-21sh09:56:423
339960,0migration/33104-21sh09:35:173
339960,0migration/329019-21irqrtprio07:13:503
339960,0migration/326724-21sh10:52:253
339960,0migration/326003-21sh11:53:183
339960,0migration/323519-21needreboot12:08:523
339960,0migration/320639-21sh09:28:313
339960,0migration/318013-21sh10:24:043
339960,0migration/316581-21sh11:44:023
339960,0migration/311440-21sh09:20:343
29725060,0irq/27-eth0-tx-31775-21munin-node08:53:560
29715060,0irq/26-eth0-rx-7553-21cut10:58:513
29715060,0irq/26-eth0-rx-10432-21diskstats12:03:433
143579960,0cyclictest0-21swapper/111:34:271
143569966,0cyclictest12564-21diskmemload09:26:520
143569960,0cyclictest12564-21diskmemload09:12:320
143569960,0cyclictest0-21swapper/009:45:290
149960,0migration/08043-21sh12:19:340
149960,0migration/016885-21sh11:44:550
149960,0migration/01633-21sh10:55:160
8215050,0irq/24-0000:00:4873-21munin-run08:33:342
35150,0ktimersoftd/30-21swapper/311:28:093
339950,0migration/36371-21cpuspeed_turbos08:58:463
339950,0migration/34267-21kthreadcore11:58:503
339950,0migration/331623-21munin-node12:13:533
339950,0migration/329702-21fschecks_time09:13:473
339950,0migration/326671-21diskmemload10:31:013
339950,0migration/325944-21runrttasks11:11:043
339950,0migration/325419-21kthreadcore09:28:513
339950,0migration/32474-21runrttasks10:57:463
339950,0migration/32118-21aten_r1power_cu07:18:443
339950,0migration/316349-21idleruntime07:28:483
339950,0migration/316159-21taskset07:52:323
339950,0migration/31467-21kthreadcore08:03:513
339950,0migration/313058-21idleruntime10:03:493
339950,0migration/310746-21latency_hist08:13:353
29725050,0irq/27-eth0-tx-4138-21munin-node08:08:510
29725050,0irq/27-eth0-tx-4038-21cut12:18:492
29725050,0irq/27-eth0-tx-29361-21basename09:53:462
29725050,0irq/27-eth0-tx-26482-21cut11:53:442
29725050,0irq/27-eth0-tx-26030-21munin-node12:13:562
29725050,0irq/27-eth0-tx-23971-21open_inodes11:48:542
29725050,0irq/27-eth0-tx-22565-21cut10:28:522
29725050,0irq/27-eth0-tx-20818-21munin-node09:08:502
29725050,0irq/27-eth0-tx-20538-21munin-node09:48:542
29725050,0irq/27-eth0-tx-18802-21ssh09:44:192
29725050,0irq/27-eth0-tx-17483-21munin-node08:18:540
29725050,0irq/27-eth0-tx-12804-21munin-node09:03:562
29725050,0irq/27-eth0-tx-0-21swapper/212:27:092
29725050,0irq/27-eth0-tx-0-21swapper/211:58:592
29725050,0irq/27-eth0-tx-0-21swapper/211:26:542
29725050,0irq/27-eth0-tx-0-21swapper/211:21:102
29725050,0irq/27-eth0-tx-0-21swapper/210:13:512
29725050,0irq/27-eth0-tx-0-21swapper/210:10:032
29725050,0irq/27-eth0-tx-0-21swapper/210:10:032
29725050,0irq/27-eth0-tx-0-21swapper/210:05:282
29725050,0irq/27-eth0-tx-0-21swapper/209:43:052
29725050,0irq/27-eth0-tx-0-21swapper/209:28:432
29725050,0irq/27-eth0-tx-0-21swapper/008:28:350
29725050,0irq/27-eth0-tx-0-21swapper/007:23:480
29715050,0irq/26-eth0-rx-7560-21kthreadcore09:58:523
29715050,0irq/26-eth0-rx-4726-21if_eth010:18:493
29715050,0irq/26-eth0-rx-27087-21sed07:08:563
29715050,0irq/26-eth0-rx-20628-21diskstats10:08:473
29715050,0irq/26-eth0-rx-20628-21diskstats10:08:473
29715050,0irq/26-eth0-rx-14497-21kthreadcore09:43:493
29715050,0irq/26-eth0-rx-11005-21kthreadcore12:23:503
29715050,0irq/26-eth0-rx-0-21swapper/312:28:453
29715050,0irq/26-eth0-rx-0-21swapper/311:33:443
29715050,0irq/26-eth0-rx-0-21swapper/310:43:453
29715050,0irq/26-eth0-rx-0-21swapper/310:34:523
29715050,0irq/26-eth0-rx-0-21swapper/310:13:493
29715050,0irq/26-eth0-rx-0-21swapper/309:39:333
29715050,0irq/26-eth0-rx-0-21swapper/307:23:453
259950,0migration/23245-21timerandwakeup08:03:562
259950,0migration/227540-21aten_r1power_vo10:53:452
259950,0migration/227145-21df_abs11:33:452
259950,0migration/225772-21sh11:31:322
259950,0migration/215373-21idleruntime07:03:482
259950,0migration/214239-21needreboot07:23:522
259950,0migration/210661-21taskset10:20:582
179950,0migration/14147-21irqcore07:43:491
179950,0migration/130893-21kthreadcore10:33:501
179950,0migration/12963-21taskset09:55:531
179950,0migration/127846-21gltestperf11:13:471
179950,0migration/127743-21taskset10:13:131
179950,0migration/127743-21taskset10:13:131
179950,0migration/122383-21unixbench-2d07:53:561
179950,0migration/121483-21if_eth109:48:491
179950,0migration/120554-21gltestperf10:28:481
179950,0migration/117236-21mdstat10:23:521
179950,0migration/116111-21fschecks_time07:28:471
143599950,0cyclictest0-21swapper/209:17:562
143579955,0cyclictest0-21swapper/112:24:351
143579955,0cyclictest0-21swapper/110:42:071
143579955,0cyclictest0-21swapper/109:12:241
143579950,0cyclictest0-21swapper/111:24:501
143579950,0cyclictest0-21swapper/110:52:311
143579950,0cyclictest0-21swapper/110:45:351
143579950,0cyclictest0-21swapper/110:16:531
143579950,0cyclictest0-21swapper/109:44:341
143569955,0cyclictest0-21swapper/011:39:370
143569955,0cyclictest0-21swapper/010:28:030
143569955,0cyclictest0-21swapper/008:43:410
143569950,0cyclictest0-21swapper/012:08:570
143569950,0cyclictest0-21swapper/011:14:140
143569950,0cyclictest0-21swapper/010:36:050
143569950,0cyclictest0-21swapper/010:05:110
149950,0migration/07464-21kthreadcore09:38:490
149950,0migration/030130-21kthreadcore09:53:480
149950,0migration/029803-21taskset09:13:470
149950,0migration/02946-21pmu-power08:03:540
149950,0migration/02943-21taskset10:17:020
149950,0migration/027757-21kthreadcore11:53:490
149950,0migration/026898-21taskset09:49:310
149950,0migration/026811-21munin-node09:28:570
149950,0migration/026765-21aten_r1power_cu11:33:440
149950,0migration/026398-21taskset10:51:270
149950,0migration/025995-21sh11:32:110
149950,0migration/025898-21munin-node08:48:470
149950,0migration/022631-21taskset07:55:140
149950,0migration/022609-21kthreadcore07:08:500
149950,0migration/021300-21kthreadcore11:08:490
149950,0migration/021151-21kthreadcore11:48:510
149950,0migration/021010-21idleruntime-cro07:08:350
149950,0migration/017266-21sh11:24:520
149950,0migration/016202-21taskset12:03:560
149950,0migration/015698-21kthreadcore08:38:520
149950,0migration/015531-21kthreadcore09:03:500
149950,0migration/014806-21kthreadcore10:43:510
149950,0migration/013020-21kthreadcore08:13:510
149950,0migration/011927-21kthreadcore12:23:500
8215040,0irq/24-0000:00:28840-21cat07:38:352
339940,0migration/39897-21diskmemload10:39:583
339940,0migration/34948-21kthreadcore07:43:503
339940,0migration/331516-21taskset08:53:203
339940,0migration/329404-21latency08:23:523
339940,0migration/324316-21timerwakeupswit08:43:563
339940,0migration/31669-21kthreadcore08:28:513
29725040,0irq/27-eth0-tx-3398-21munin-node10:38:512
29725040,0irq/27-eth0-tx-0-21swapper/212:08:462
29725040,0irq/27-eth0-tx-0-21swapper/212:03:432
29725040,0irq/27-eth0-tx-0-21swapper/211:38:442
29725040,0irq/27-eth0-tx-0-21swapper/211:13:432
29725040,0irq/27-eth0-tx-0-21swapper/211:03:422
29725040,0irq/27-eth0-tx-0-21swapper/210:58:402
29725040,0irq/27-eth0-tx-0-21swapper/210:48:362
29725040,0irq/27-eth0-tx-0-21swapper/210:33:372
29725040,0irq/27-eth0-tx-0-21swapper/210:24:032
29725040,0irq/27-eth0-tx-0-21swapper/209:58:562
29725040,0irq/27-eth0-tx-0-21swapper/209:33:392
29725040,0irq/27-eth0-tx-0-21swapper/209:25:232
29725040,0irq/27-eth0-tx-0-21swapper/007:28:550
29715040,0irq/26-eth0-rx-18114-21fschecks_time08:18:473
29715040,0irq/26-eth0-rx-12942-21irqrtprio08:38:503
29715040,0irq/26-eth0-rx-0-21swapper/311:41:143
29715040,0irq/26-eth0-rx-0-21swapper/311:29:023
29715040,0irq/26-eth0-rx-0-21swapper/311:16:063
29715040,0irq/26-eth0-rx-0-21swapper/311:04:013
29715040,0irq/26-eth0-rx-0-21swapper/309:52:483
29715040,0irq/26-eth0-rx-0-21swapper/309:09:123
29715040,0irq/26-eth0-rx-0-21swapper/309:04:283
29715040,0irq/26-eth0-rx-0-21swapper/308:53:523
29715040,0irq/26-eth0-rx-0-21swapper/307:53:493
259940,0migration/29492-21missed_timers08:08:522
259940,0migration/25249-21fschecks_count09:18:462
259940,0migration/25149-21aten_r1power_en08:33:472
259940,0migration/223069-21kthreadcore11:08:502
259940,0migration/220899-21needreboot07:28:522
259940,0migration/217765-21unixbench_singl08:38:582
249940,0watchdog/26559-21runrttasks07:33:572
249940,0watchdog/217548-21aten_r1power_fr08:18:452
249940,0watchdog/20-21swapper/207:58:532
179940,0migration/18045-21kthreadcore09:58:521
179940,0migration/15238-21timerwakeupswit08:53:581
179940,0migration/14841-21irqcore10:18:501
179940,0migration/14318-21sh09:18:101
179940,0migration/131335-21kthreadcore10:53:511
179940,0migration/129965-21timerwakeupswit08:23:561
179940,0migration/128685-21latency_hist07:38:351
179940,0migration/12247-21latency_hist11:38:331
179940,0migration/120157-21irqcore11:08:481
179940,0migration/118672-21cpuspeed_turbos08:43:451
179940,0migration/118595-21sendmail_mailqu09:23:541
179940,0migration/114501-21kthreadcore09:03:501
179940,0migration/112610-21kthreadcore11:03:511
179940,0migration/112599-21kthreadcore11:43:501
179940,0migration/111346-21kthreadcore08:58:521
179940,0migration/111272-21fschecks_count08:13:471
169940,0watchdog/115810-21mailstats12:03:521
169940,0watchdog/10-21swapper/110:58:521
169940,0watchdog/10-21swapper/109:21:001
143599943,0cyclictest3556-21lldpd08:15:352
143599943,0cyclictest3514-21snmpd08:50:442
143599943,0cyclictest3514-21snmpd08:26:442
143599943,0cyclictest3514-21snmpd07:54:592
143599943,0cyclictest22199-21awk07:08:482
143599943,0cyclictest19420-21awk08:43:492
143599943,0cyclictest18483-21awk12:28:482
143599943,0cyclictest12253-21awk10:43:482
143599943,0cyclictest11350-21awk11:43:492
143599943,0cyclictest10807-21awk07:48:472
143579944,0cyclictest0-21swapper/111:18:411
143579944,0cyclictest0-21swapper/109:30:131
143579943,0cyclictest5005-21awk08:08:491
143579943,0cyclictest3556-21lldpd11:54:371
143579943,0cyclictest3556-21lldpd09:33:371
143579943,0cyclictest3556-21lldpd07:25:351
143579943,0cyclictest3556-21lldpd07:14:051
143579943,0cyclictest3514-21snmpd09:41:591
143579943,0cyclictest3514-21snmpd08:33:591
143579943,0cyclictest30627-21awk08:03:481
143579943,0cyclictest3019-21irqcore11:58:491
143579943,0cyclictest19648-21awk11:28:481
143579943,0cyclictest18831-21grep12:08:471
143579943,0cyclictest15406-21awk07:03:481
143579943,0cyclictest12664-21awk08:38:491
143579943,0cyclictest10783-21awk07:48:471
143569944,0cyclictest0-21swapper/012:15:530
143569944,0cyclictest0-21swapper/010:23:280
143569943,0cyclictest3768-21awk11:18:510
143569943,0cyclictest3556-21lldpd10:01:370
143569943,0cyclictest3514-21snmpd09:19:440
143569943,0cyclictest3514-21snmpd09:00:140
143569943,0cyclictest3241-21irqbalance11:07:520
143569943,0cyclictest29740-21awk07:38:490
143569943,0cyclictest2966-21awk07:18:480
143569943,0cyclictest28735-21awk07:13:490
143569943,0cyclictest24067-21awk07:58:500
143569943,0cyclictest21196-21awk10:08:500
143569943,0cyclictest21196-21awk10:08:500
149940,0migration/09985-21sh10:40:140
149940,0migration/024837-21runrttasks12:32:120
149940,0migration/023508-21kthreadcore07:33:500
149940,0migration/022534-21kthreadcore10:28:520
29715030,0irq/26-eth0-rx-0-21swapper/308:33:473
29715030,0irq/26-eth0-rx-0-21swapper/308:12:103
29715030,0irq/26-eth0-rx-0-21swapper/307:58:463
29715030,0irq/26-eth0-rx-0-21swapper/307:38:463
24306230,0sleep121219-21munin-node07:08:511
179930,0migration/131672-21if_err_eth1.308:28:491
169930,0watchdog/12292-21munin-node07:38:571
169930,0watchdog/10-21swapper/112:28:441
169930,0watchdog/10-21swapper/112:15:001
169930,0watchdog/10-21swapper/110:06:521
143599932,0cyclictest3556-21lldpd07:19:362
143599932,0cyclictest3417-21grep07:43:452
143599932,0cyclictest10235-21tr08:58:522
143579932,0cyclictest3556-21lldpd11:50:061
143579932,0cyclictest3556-21lldpd08:19:061
143579932,0cyclictest3556-21lldpd07:58:361
143579932,0cyclictest3556-21lldpd07:23:051
143579932,0cyclictest3514-21snmpd12:19:001
143579932,0cyclictest26138-21irqcore08:48:491
143569933,0cyclictest30565-21kworker/0:108:33:520
143569933,0cyclictest30565-21kworker/0:108:23:520
143569933,0cyclictest22042-21kworker/0:207:48:440
143569933,0cyclictest22042-21kworker/0:207:43:480
143569932,0cyclictest7774-21cut10:58:510
143569932,0cyclictest29762-21awk09:33:470
143569932,0cyclictest2796-21idleruntime11:58:470
29715020,0irq/26-eth0-rx-0-21swapper/307:33:483
29715020,0irq/26-eth0-rx-0-21swapper/307:03:413
143599920,0cyclictest0-21swapper/207:13:352
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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