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2026-01-18 - 11:35
[ 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 Sun Jan 18, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
914824837,0sleep00-21swapper/019:06:300
901524838,0sleep30-21swapper/319:04:573
903524132,0sleep10-21swapper/119:05:111
882223026,0sleep20-21swapper/219:02:402
29715070,0irq/26-eth0-rx-29216-21if_eth1.222:06:523
92369960,0cyclictest0-21swapper/121:29:161
92369960,0cyclictest0-21swapper/121:16:491
92359966,0cyclictest27971-21diskmemload22:44:500
35160,0ktimersoftd/320038-21ssh21:41:103
339960,0migration/3327-21munin-node20:36:533
339960,0migration/323133-21df_abs19:16:503
339960,0migration/323133-21df_abs19:16:503
339960,0migration/317850-21sh22:57:413
339960,0migration/310979-21sh22:14:303
29725060,0irq/27-eth0-tx-22748-21munin-node19:16:560
29725060,0irq/27-eth0-tx-22748-21munin-node19:16:560
29725060,0irq/27-eth0-tx-10698-21munin-node19:56:580
29715060,0irq/26-eth0-rx-586-21python23:27:013
29715060,0irq/26-eth0-rx-3514-21snmpd23:47:003
29715060,0irq/26-eth0-rx-28917-21munin-node21:26:503
29715060,0irq/26-eth0-rx-21052-21kthreadcore23:41:543
29715060,0irq/26-eth0-rx-14079-21grep23:36:533
29715060,0irq/26-eth0-rx-0-21swapper/323:23:323
259960,0migration/217360-21sh23:58:362
149960,0migration/03128-21sh21:29:150
149960,0migration/027298-21sh22:04:420
149960,0migration/021593-21pmu-power19:11:590
149960,0migration/02005-21sh21:07:270
149960,0migration/018702-21sh22:39:100
92379955,0cyclictest0-21swapper/200:33:302
92379950,0cyclictest0-21swapper/221:39:562
92379950,0cyclictest0-21swapper/221:27:472
92369955,0cyclictest0-21swapper/122:54:141
92369955,0cyclictest0-21swapper/121:35:061
92369950,0cyclictest0-21swapper/123:05:071
92369950,0cyclictest0-21swapper/121:55:451
92359955,0cyclictest0-21swapper/021:57:520
92359955,0cyclictest0-21swapper/021:18:550
92359950,0cyclictest0-21swapper/000:19:450
8215050,0irq/24-0000:00:21617-21irqstats21:21:542
4150,0ktimersoftd/00-21swapper/019:46:410
339950,0migration/37306-21kthreadcore22:51:563
339950,0migration/35595-21kthreadcore21:11:553
339950,0migration/3525-21runrttasks00:07:303
339950,0migration/34333-21sh21:31:453
339950,0migration/34265-21cpuspeed_turbos19:51:513
339950,0migration/331271-21kthreadcore21:46:553
339950,0migration/329657-21kthreadcore22:26:523
339950,0migration/327230-21taskset21:43:533
339950,0migration/327069-21kthreadcore19:41:573
339950,0migration/326269-21kernelversion20:31:533
339950,0migration/32527-21munin-node19:46:563
339950,0migration/321149-21idleruntime21:21:523
339950,0migration/319521-21cpuspeed_turbos20:51:503
339950,0migration/319144-21munin-node20:26:533
339950,0migration/317976-21switchtime21:56:593
339950,0migration/317533-21irqrtprio19:36:543
339950,0migration/314741-21kthreadcore22:16:543
339950,0migration/312558-21kthreadcore19:56:553
339950,0migration/312019-21latency_hist21:16:383
339950,0migration/311374-21fschecks_time23:56:503
29725050,0irq/27-eth0-tx-8824-21ssh00:12:542
29725050,0irq/27-eth0-tx-664-21yum23:47:022
29725050,0irq/27-eth0-tx-31759-21telnet20:36:480
29725050,0irq/27-eth0-tx-24822-21ssh00:02:022
29725050,0irq/27-eth0-tx-18428-21munin-node00:21:562
29725050,0irq/27-eth0-tx-14629-21ssh21:16:562
29725050,0irq/27-eth0-tx-12013-21munin-node22:16:592
29725050,0irq/27-eth0-tx-11495-21munin-node22:56:492
29725050,0irq/27-eth0-tx-0-21swapper/222:28:262
29725050,0irq/27-eth0-tx-0-21swapper/222:09:142
29725050,0irq/27-eth0-tx-0-21swapper/221:49:172
29725050,0irq/27-eth0-tx-0-21swapper/221:44:402
29725050,0irq/27-eth0-tx-0-21swapper/020:52:240
29725050,0irq/27-eth0-tx-0-21swapper/020:11:520
29725050,0irq/27-eth0-tx-0-21swapper/019:56:210
29715050,0irq/26-eth0-rx-7893-21kthreadcore23:11:533
29715050,0irq/26-eth0-rx-5790-21kthreadcore23:51:553
29715050,0irq/26-eth0-rx-3656-21kthreadcore00:11:533
29715050,0irq/26-eth0-rx-28116-21cat21:06:383
29715050,0irq/26-eth0-rx-22424-21tr22:41:533
29715050,0irq/26-eth0-rx-19251-21munin-node00:21:503
29715050,0irq/26-eth0-rx-0-21swapper/323:32:143
29715050,0irq/26-eth0-rx-0-21swapper/323:06:553
29715050,0irq/26-eth0-rx-0-21swapper/323:03:003
29715050,0irq/26-eth0-rx-0-21swapper/322:50:203
29715050,0irq/26-eth0-rx-0-21swapper/322:02:533
29715050,0irq/26-eth0-rx-0-21swapper/300:32:333
29715050,0irq/26-eth0-rx-0-21swapper/300:27:453
27150,0ktimersoftd/20-21swapper/223:12:002
259950,0migration/25649-21kernelversion21:31:542
259950,0migration/230516-21kthreadcore23:06:542
259950,0migration/230483-21irqcore19:21:552
259950,0migration/228640-21idleruntime22:46:522
259950,0migration/227938-21fschecks_time23:26:522
249950,0watchdog/24012-21perl22:51:522
249950,0watchdog/211985-21gltestperf23:16:522
249950,0watchdog/211042-21kthreadcore20:41:562
249950,0watchdog/20-21swapper/222:35:402
179950,0migration/19737-21kthreadcore20:16:551
179950,0migration/18570-21timerandwakeup23:52:001
179950,0migration/13902-21latency_hist19:51:391
179950,0migration/12868-21taskset22:09:231
179950,0migration/126014-21taskset00:05:321
179950,0migration/120191-21taskset21:41:361
179950,0migration/119919-21dump-pmu-power22:01:371
179950,0migration/116555-21kthreadcore20:46:551
179950,0migration/113564-21kthreadcore19:56:551
169950,0watchdog/111984-21grep23:16:521
169950,0watchdog/110191-21head19:06:531
149950,0migration/09644-21rt-features21:12:000
149950,0migration/06383-21kthreadcore22:11:550
149950,0migration/05785-21kthreadcore22:51:550
149950,0migration/05367-21munin-node21:31:530
149950,0migration/04277-21kthreadcore23:31:540
149950,0migration/04001-21kthreadcore23:51:540
149950,0migration/031168-21kthreadcore23:06:540
149950,0migration/030994-21taskset20:32:010
149950,0migration/024623-21taskset00:22:140
149950,0migration/02383-21taskset22:49:360
149950,0migration/022004-21kthreadcore23:41:540
149950,0migration/021591-21irqrtprio21:21:540
149950,0migration/020935-21kthreadcore19:36:560
149950,0migration/019592-21aten_r1power_po23:01:490
149950,0migration/019493-21kthreadcore20:01:550
149950,0migration/01931-21sh00:11:270
149950,0migration/019270-21munin-node20:26:540
149950,0migration/018505-21taskset23:41:090
149950,0migration/017268-21munin-node22:57:000
149950,0migration/01397-21latency21:46:560
149950,0migration/01390-21kthreadcore19:21:560
149950,0migration/013592-21kthreadcore19:31:570
149950,0migration/013405-21kthreadcore20:21:540
92379943,0cyclictest5949-21awk20:16:532
92379943,0cyclictest3556-21lldpd21:02:372
92379943,0cyclictest3514-21snmpd22:41:462
92379943,0cyclictest3514-21snmpd00:28:462
92379943,0cyclictest27578-21awk00:06:522
92379943,0cyclictest23823-21sadc20:06:382
92379943,0cyclictest21191-21awk22:01:522
92379943,0cyclictest21025-21awk22:21:532
92379943,0cyclictest20127-21awk23:21:512
92379943,0cyclictest19802-21awk23:41:512
92379943,0cyclictest10669-21awk19:31:552
92369944,0cyclictest0-21swapper/122:28:041
92369944,0cyclictest0-21swapper/121:51:301
92369944,0cyclictest0-21swapper/119:54:401
92369944,0cyclictest0-21swapper/100:27:161
92369944,0cyclictest0-21swapper/100:13:421
92369943,0cyclictest4837-21awk22:11:521
92369943,0cyclictest4656-21awk22:31:511
92369943,0cyclictest4078-21awk23:11:511
92369943,0cyclictest3911-21awk23:31:531
92369943,0cyclictest3556-21lldpd22:25:071
92369943,0cyclictest3556-21lldpd19:45:371
92369943,0cyclictest3556-21lldpd19:39:371
92369943,0cyclictest3514-21snmpd20:31:301
92369943,0cyclictest31666-21awk20:11:541
92369943,0cyclictest31398-21sadc20:36:381
92369943,0cyclictest28388-21awk23:06:521
92369943,0cyclictest27960-21sadc21:06:371
92369943,0cyclictest20782-21awk22:41:511
92369943,0cyclictest20217-21awk23:21:511
92369943,0cyclictest18224-21awk20:01:531
92369943,0cyclictest18098-21sadc20:26:381
92369943,0cyclictest11413-21awk00:16:531
92359944,0cyclictest0-21swapper/023:12:350
92359944,0cyclictest0-21swapper/022:10:090
92359944,0cyclictest0-21swapper/021:38:470
92359944,0cyclictest0-21swapper/000:01:560
92359943,0cyclictest3556-21lldpd23:22:370
92359943,0cyclictest3556-21lldpd22:23:070
92359943,0cyclictest3556-21lldpd21:02:070
92359943,0cyclictest3556-21lldpd20:44:070
92359943,0cyclictest3241-21irqbalance23:28:360
92359943,0cyclictest3241-21irqbalance00:28:350
92359943,0cyclictest28931-21awk22:26:500
92359943,0cyclictest22652-21kworker/0:200:34:200
92359943,0cyclictest21420-21awk21:41:540
92359943,0cyclictest12863-21awk22:16:520
92359943,0cyclictest10329-21awk19:06:540
92359943,0cyclictest10121-21sadc00:16:370
339940,0migration/38415-21kthreadcore19:26:553
339940,0migration/328256-21kthreadcore20:06:553
339940,0migration/320220-21cpu22:21:503
339940,0migration/319023-21df00:01:503
339940,0migration/315760-21taskset19:10:343
339940,0migration/315555-21kthreadcore20:21:553
29725040,0irq/27-eth0-tx-9180-21ssh23:32:192
29725040,0irq/27-eth0-tx-10460-21ssh21:52:292
29725040,0irq/27-eth0-tx-0-21swapper/223:51:522
29725040,0irq/27-eth0-tx-0-21swapper/223:36:432
29725040,0irq/27-eth0-tx-0-21swapper/222:39:502
29725040,0irq/27-eth0-tx-0-21swapper/222:11:392
29725040,0irq/27-eth0-tx-0-21swapper/221:56:532
29725040,0irq/27-eth0-tx-0-21swapper/020:06:480
29715040,0irq/26-eth0-rx-0-21swapper/323:17:413
29715040,0irq/26-eth0-rx-0-21swapper/322:36:453
29715040,0irq/26-eth0-rx-0-21swapper/322:31:543
29715040,0irq/26-eth0-rx-0-21swapper/321:51:413
29715040,0irq/26-eth0-rx-0-21swapper/300:16:473
259940,0migration/24085-21aten2.4-expect19:51:502
259940,0migration/230674-21munin-node19:46:542
259940,0migration/226595-21kthreadcore20:06:552
259940,0migration/225286-21runrttasks20:52:042
259940,0migration/223572-21fschecks_count19:41:532
259940,0migration/221634-21kthreadcore23:01:542
259940,0migration/216169-21ntp_offset19:56:582
259940,0migration/214651-21kthreadcore20:46:542
259940,0migration/213802-21kthreadcore00:16:552
249940,0watchdog/24335-21tune2fs21:11:522
249940,0watchdog/228226-21munin-node21:06:562
249940,0watchdog/223238-21kthreadcore20:26:562
249940,0watchdog/213869-21tr19:06:572
179940,0migration/132517-21taskset23:46:561
179940,0migration/131337-21kthreadcore23:26:561
179940,0migration/128471-21sh00:32:041
179940,0migration/125579-21kthreadcore20:06:541
179940,0migration/124731-21kthreadcore22:01:541
179940,0migration/124464-21kthreadcore19:16:541
179940,0migration/124464-21kthreadcore19:16:541
179940,0migration/122333-21kthreadcore23:41:541
179940,0migration/120206-21latency_hist21:21:381
179940,0migration/11933-21kthreadcore19:21:561
179940,0migration/116648-21kthreadcore22:16:551
179940,0migration/112961-21kthreadcore22:56:541
169940,0watchdog/17398-21kthreadcore21:11:561
169940,0watchdog/132168-21netstat00:06:551
169940,0watchdog/123967-21open_files00:21:551
169940,0watchdog/117927-21ssh00:00:151
169940,0watchdog/117459-21ssh23:38:081
169940,0watchdog/10-21swapper/122:46:561
169940,0watchdog/10-21swapper/121:06:561
169940,0watchdog/10-21swapper/120:51:521
169940,0watchdog/10-21swapper/120:41:561
149940,0migration/031047-21kthreadcore23:46:540
149940,0migration/018839-21sh23:21:160
149940,0migration/010328-21sh21:52:050
92379932,0cyclictest4571-21awk19:26:522
92379932,0cyclictest3722-21netstat20:11:582
92379932,0cyclictest3556-21lldpd20:32:372
92379932,0cyclictest22966-21cpu19:16:502
92379932,0cyclictest22966-21cpu19:16:502
92379932,0cyclictest22806-21latency_hist19:41:392
92379932,0cyclictest17310-21irqrtprio19:11:552
92379930,0cyclictest32209-21perl20:36:502
92369933,0cyclictest3556-21lldpd19:27:071
92369932,0cyclictest3514-21snmpd20:56:451
92369932,0cyclictest2703-21grep20:36:541
92369932,0cyclictest16582-21uniq19:11:521
92369932,0cyclictest10606-21awk19:31:541
92359933,0cyclictest22652-21kworker/0:223:57:070
92359933,0cyclictest22652-21kworker/0:222:31:490
92359933,0cyclictest22652-21kworker/0:220:56:430
92359933,0cyclictest22652-21kworker/0:220:47:190
92359933,0cyclictest22652-21kworker/0:219:41:440
92359930,0cyclictest6918-21grep20:16:540
92359930,0cyclictest0-21swapper/019:26:490
8215030,0irq/24-0000:00:0-21swapper/220:56:532
29715030,0irq/26-eth0-rx-0-21swapper/321:04:053
29715030,0irq/26-eth0-rx-0-21swapper/320:56:533
29715030,0irq/26-eth0-rx-0-21swapper/320:16:493
29715030,0irq/26-eth0-rx-0-21swapper/320:01:493
29715030,0irq/26-eth0-rx-0-21swapper/319:31:503
29715030,0irq/26-eth0-rx-0-21swapper/319:22:023
29715030,0irq/26-eth0-rx-0-21swapper/319:11:503
249930,0watchdog/26559-21runrttasks20:23:322
179930,0migration/120969-21fschecks_count21:41:521
169930,0watchdog/127971-21diskmemload22:36:441
29715020,0irq/26-eth0-rx-0-21swapper/320:47:263
29715020,0irq/26-eth0-rx-0-21swapper/320:41:513
29715020,0irq/26-eth0-rx-0-21swapper/320:12:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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