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2026-01-15 - 15:32
[ 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 Thu Jan 15, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304450910,0irq/25-eth10-21swapper/307:02:083
120329188,0sleep20-21swapper/207:02:242
150123824,0sleep00-21swapper/007:05:540
123523324,0sleep10-21swapper/107:02:471
339970,0migration/36935-21sh09:28:153
339970,0migration/36935-21sh09:28:153
339960,0migration/36774-21sh10:29:303
339960,0migration/36369-21sh10:07:363
339960,0migration/331767-21sh09:25:043
339960,0migration/324035-21sh11:42:053
339960,0migration/321775-21sh12:19:363
339960,0migration/317710-21kthreadcore07:17:103
339960,0migration/316622-21cpuspeed_turbos09:17:033
339960,0migration/315106-21sh09:53:513
339960,0migration/313788-21sh11:33:353
29725060,0irq/27-eth0-tx-30513-21munin-node08:17:070
29725060,0irq/27-eth0-tx-17233-21munin-node08:07:150
29715060,0irq/26-eth0-rx-30043-21yum10:42:153
29715060,0irq/26-eth0-rx-13960-21mdstat09:32:073
16569960,0cyclictest32278-21diskmemload11:42:581
149960,0migration/08088-21munin-node11:12:040
149960,0migration/07858-21sh09:11:520
149960,0migration/06511-21taskset11:10:040
149960,0migration/0602-21cpuspeed_turbos09:27:040
149960,0migration/0602-21cpuspeed_turbos09:27:040
149960,0migration/032170-21aten_r1power_en10:27:020
149960,0migration/022704-21taskset10:39:100
149960,0migration/014310-21sh10:33:070
149960,0migration/012026-21needreboot12:32:090
339950,0migration/38461-21munin-node11:12:063
339950,0migration/35358-21munin-node10:47:133
339950,0migration/331448-21munin-node11:47:033
339950,0migration/330235-21taskset08:16:273
339950,0migration/329384-21munin-node07:27:063
339950,0migration/326774-21kthreadcore08:37:083
339950,0migration/323867-21idleruntime12:02:043
339950,0migration/323668-21pmu-power08:32:123
339950,0migration/321852-21sh10:57:183
339950,0migration/315757-21gltestperf11:57:043
339950,0migration/315360-21latency_hist11:16:513
339950,0migration/313591-21rt-features10:32:113
339950,0migration/313525-21irqcore08:52:073
339950,0migration/312463-21needreboot11:52:083
339950,0migration/311423-21idleruntime08:02:063
29725050,0irq/27-eth0-tx-22885-21munin-node07:47:040
29715050,0irq/26-eth0-rx-9280-21tr10:52:093
29715050,0irq/26-eth0-rx-5830-21kthreadcore07:32:083
29715050,0irq/26-eth0-rx-31864-21iostat_ios12:27:073
29715050,0irq/26-eth0-rx-27929-21grep09:42:083
29715050,0irq/26-eth0-rx-25876-21kthreadcore11:22:083
29715050,0irq/26-eth0-rx-24231-21awk10:22:033
29715050,0irq/26-eth0-rx-16292-21diskstats10:37:043
29715050,0irq/26-eth0-rx-1324-21ps09:47:083
29715050,0irq/26-eth0-rx-12524-21python12:12:123
29715050,0irq/26-eth0-rx-0-21swapper/312:22:073
29715050,0irq/26-eth0-rx-0-21swapper/311:41:083
29715050,0irq/26-eth0-rx-0-21swapper/311:27:083
29715050,0irq/26-eth0-rx-0-21swapper/311:01:563
29715050,0irq/26-eth0-rx-0-21swapper/310:17:083
29715050,0irq/26-eth0-rx-0-21swapper/310:12:083
29715050,0irq/26-eth0-rx-0-21swapper/309:36:573
259950,0migration/28299-21aten2.4-expect09:12:032
259950,0migration/28299-21aten2.4-expect09:12:032
259950,0migration/2719-21gltestperf10:07:052
259950,0migration/215012-21sh09:33:002
259950,0migration/214777-21aten_r1power_cu12:17:022
19150,0ktimersoftd/10-21swapper/111:30:021
179950,0migration/116771-21munin-node09:57:031
16589955,0cyclictest0-21swapper/211:59:382
16589955,0cyclictest0-21swapper/211:07:362
16589955,0cyclictest0-21swapper/211:00:122
16589955,0cyclictest0-21swapper/208:57:232
16589955,0cyclictest0-21swapper/207:22:092
16589950,0cyclictest0-21swapper/211:32:502
16589950,0cyclictest0-21swapper/210:52:192
16569955,0cyclictest0-21swapper/112:31:121
16569955,0cyclictest0-21swapper/111:52:161
16569955,0cyclictest0-21swapper/111:48:101
16569955,0cyclictest0-21swapper/110:32:481
16569955,0cyclictest0-21swapper/109:10:591
16569955,0cyclictest0-21swapper/107:56:531
169950,0watchdog/115210-21ssh09:33:341
149950,0migration/09965-21taskset07:57:220
149950,0migration/07879-21irqcore12:12:070
149950,0migration/032067-21kthreadcore07:52:090
149950,0migration/03090-21irqrtprio07:07:070
149950,0migration/029113-21latency08:12:090
149950,0migration/028675-21kthreadcore10:22:090
149950,0migration/028366-21kthreadcore09:02:090
149950,0migration/027698-21kthreadcore11:42:080
149950,0migration/02611-21kthreadcore11:27:080
149950,0migration/025407-21kthreadcore07:22:090
149950,0migration/024003-21irqcore12:22:060
149950,0migration/022602-21taskset07:46:220
149950,0migration/018101-21kthreadcore11:37:080
149950,0migration/017822-21kthreadcore09:17:070
149950,0migration/017275-21irqcore10:17:070
149950,0migration/015932-21missed_timers08:02:100
149950,0migration/015611-21fschecks_time11:57:040
149950,0migration/015189-21taskset09:33:300
149950,0migration/01514-21kthreadcore10:47:080
149950,0migration/014529-21sh11:35:430
149950,0migration/014407-21kthreadcore08:52:080
149950,0migration/014363-21taskset11:55:510
149950,0migration/014360-21timerwakeupswit09:52:140
149950,0migration/013719-21kthreadcore07:37:120
149950,0migration/013530-21latency09:12:100
149950,0migration/013530-21latency09:12:100
149950,0migration/012009-21kthreadcore10:12:080
149950,0migration/01191-21kthreadcore08:42:080
149950,0migration/010915-21kthreadcore10:52:100
8215040,0irq/24-0000:00:0-21swapper/210:47:082
339940,0migration/37441-21kthreadcore08:47:083
339940,0migration/33381-21taskset07:54:333
339940,0migration/322327-21df_abs07:22:043
29725040,0irq/27-eth0-tx-7477-21ssh12:32:062
29725040,0irq/27-eth0-tx-23866-21ssh11:22:032
29725040,0irq/27-eth0-tx-15434-21ssh11:16:582
29725040,0irq/27-eth0-tx-0-21swapper/212:28:192
29725040,0irq/27-eth0-tx-0-21swapper/212:12:472
29725040,0irq/27-eth0-tx-0-21swapper/212:07:262
29725040,0irq/27-eth0-tx-0-21swapper/211:47:042
29725040,0irq/27-eth0-tx-0-21swapper/211:42:092
29725040,0irq/27-eth0-tx-0-21swapper/211:11:542
29725040,0irq/27-eth0-tx-0-21swapper/210:42:292
29725040,0irq/27-eth0-tx-0-21swapper/210:32:182
29725040,0irq/27-eth0-tx-0-21swapper/210:26:532
29725040,0irq/27-eth0-tx-0-21swapper/210:22:182
29725040,0irq/27-eth0-tx-0-21swapper/209:56:562
29725040,0irq/27-eth0-tx-0-21swapper/209:51:582
29725040,0irq/27-eth0-tx-0-21swapper/209:41:562
29725040,0irq/27-eth0-tx-0-21swapper/209:16:582
29715040,0irq/26-eth0-rx-0-21swapper/312:32:083
29715040,0irq/26-eth0-rx-0-21swapper/312:09:023
29715040,0irq/26-eth0-rx-0-21swapper/311:06:543
29715040,0irq/26-eth0-rx-0-21swapper/310:02:113
29715040,0irq/26-eth0-rx-0-21swapper/309:57:023
29715040,0irq/26-eth0-rx-0-21swapper/309:12:593
29715040,0irq/26-eth0-rx-0-21swapper/309:12:593
29715040,0irq/26-eth0-rx-0-21swapper/309:08:423
29715040,0irq/26-eth0-rx-0-21swapper/308:42:033
29715040,0irq/26-eth0-rx-0-21swapper/308:27:093
29715040,0irq/26-eth0-rx-0-21swapper/308:22:023
29715040,0irq/26-eth0-rx-0-21swapper/308:17:033
29715040,0irq/26-eth0-rx-0-21swapper/307:57:093
259940,0migration/24639-21hwlatdetect07:57:072
259940,0migration/231275-21munin-node09:02:112
259940,0migration/22608-21runrttasks07:31:472
259940,0migration/225236-21fschecks_time09:22:042
259940,0migration/224654-21kthreadcore07:47:072
259940,0migration/223313-21munin-node12:22:032
259940,0migration/223114-21munin-node12:02:012
259940,0migration/22261-21kthreadcore09:07:072
259940,0migration/215003-21ntp_kernel_pll_07:37:142
249940,0watchdog/224393-21ssh10:01:542
249940,0watchdog/21989-21kthreadcore08:17:102
249940,0watchdog/215899-21munin-node10:37:022
249940,0watchdog/215206-21munin-node11:37:102
179940,0migration/18920-21kthreadcore08:22:081
179940,0migration/132640-21kthreadcore07:27:091
179940,0migration/130086-21missed_timers09:42:091
179940,0migration/130006-21kthreadcore09:02:091
179940,0migration/126784-21kthreadcore08:37:081
179940,0migration/126037-21kthreadcore10:22:081
179940,0migration/122185-21cpuspeed_turbos07:22:041
179940,0migration/122135-21kthreadcore08:57:091
179940,0migration/118601-21kthreadcore08:07:081
179940,0migration/117941-21kthreadcore10:37:081
179940,0migration/114099-21taskset11:34:291
179940,0migration/112993-21kthreadcore08:27:081
179940,0migration/110249-21kthreadcore11:12:071
16589944,0cyclictest0-21swapper/211:27:382
16589943,0cyclictest9011-21awk10:12:052
16589943,0cyclictest7817-21awk11:52:042
16589943,0cyclictest5647-21sort08:22:052
16589943,0cyclictest3556-21lldpd09:29:462
16589943,0cyclictest3556-21lldpd09:29:462
16589943,0cyclictest3514-21snmpd08:33:492
16589943,0cyclictest3514-21snmpd07:53:482
16589943,0cyclictest3514-21snmpd07:42:482
16589943,0cyclictest3514-21snmpd07:35:482
16589943,0cyclictest3514-21snmpd07:18:482
16589943,0cyclictest3514-21snmpd07:07:482
16589943,0cyclictest3241-21irqbalance09:47:002
16589943,0cyclictest3241-21irqbalance09:37:002
16589943,0cyclictest3241-21irqbalance08:52:512
16589943,0cyclictest3241-21irqbalance08:47:512
16589943,0cyclictest3241-21irqbalance08:42:312
16589943,0cyclictest3241-21irqbalance08:37:012
16589943,0cyclictest3241-21irqbalance08:29:312
16589943,0cyclictest24791-21awk08:12:072
16589943,0cyclictest24578-21awk11:02:072
16589943,0cyclictest18100-21awk08:07:062
16589943,0cyclictest17090-21awk10:17:062
16569944,0cyclictest0-21swapper/112:34:121
16569944,0cyclictest0-21swapper/112:17:201
16569944,0cyclictest0-21swapper/110:44:281
16569944,0cyclictest0-21swapper/110:08:031
16569944,0cyclictest0-21swapper/110:02:031
16569944,0cyclictest0-21swapper/109:23:261
16569943,0cyclictest9110-21awk09:12:061
16569943,0cyclictest9110-21awk09:12:061
16569943,0cyclictest3556-21lldpd12:09:461
16569943,0cyclictest3556-21lldpd09:54:151
16569943,0cyclictest3556-21lldpd09:37:461
16569943,0cyclictest3556-21lldpd08:47:451
16569943,0cyclictest3556-21lldpd08:45:151
16569943,0cyclictest3514-21snmpd09:21:191
16569943,0cyclictest3514-21snmpd08:53:041
16569943,0cyclictest340-21awk10:47:061
16569943,0cyclictest3241-21irqbalance10:56:401
16569943,0cyclictest3241-21irqbalance08:12:011
16569943,0cyclictest3241-21irqbalance07:52:011
16569943,0cyclictest3241-21irqbalance07:47:111
16569943,0cyclictest3241-21irqbalance07:43:411
16569943,0cyclictest19095-21awk08:32:071
16569943,0cyclictest17114-21awk10:17:061
16569943,0cyclictest1234-21awk09:47:071
16559944,0cyclictest0-21swapper/011:03:520
16559944,0cyclictest0-21swapper/011:00:520
16559943,0cyclictest3514-21snmpd11:47:200
16559943,0cyclictest3514-21snmpd09:22:490
16559943,0cyclictest31789-21awk12:27:060
16559943,0cyclictest29487-21awk07:27:070
16559943,0cyclictest12367-21awk08:27:060
169940,0watchdog/19862-21expr07:37:071
169940,0watchdog/15150-21sensors_temp11:07:141
169940,0watchdog/129581-21ssh12:03:261
169940,0watchdog/122086-21ssh11:39:181
169940,0watchdog/111484-21if_err_eth1.308:02:071
169940,0watchdog/10-21swapper/110:12:021
149940,0migration/031033-21ksmtuned08:39:140
149940,0migration/026441-21kthreadcore10:42:070
149940,0migration/01874-21kthreadcore09:47:080
149940,0migration/017320-21fschecks_time09:37:050
149940,0migration/015546-21runrttasks12:17:050
339930,0migration/37030-21kthreadcore07:07:093
339930,0migration/331889-21runrttasks09:02:353
29715030,0irq/26-eth0-rx-0-21swapper/308:07:033
29715030,0irq/26-eth0-rx-0-21swapper/307:47:023
29715030,0irq/26-eth0-rx-0-21swapper/307:37:053
29715030,0irq/26-eth0-rx-0-21swapper/307:12:033
259930,0migration/29278-21fschecks_time07:12:052
259930,0migration/211074-21fschecks_count08:02:052
16569932,0cyclictest9475-21awk07:12:061
16569932,0cyclictest7195-21entropy12:12:041
16569932,0cyclictest555-21awk10:27:061
16569932,0cyclictest31397-21awk08:17:081
16569932,0cyclictest2718-21awk07:07:061
16569932,0cyclictest24626-21awk11:02:071
16569932,0cyclictest20516-21cut11:17:091
16559933,0cyclictest10655-21kworker/0:012:06:530
16559933,0cyclictest10655-21kworker/0:012:01:530
16559933,0cyclictest10655-21kworker/0:011:21:530
16559933,0cyclictest10655-21kworker/0:011:16:550
16559933,0cyclictest10655-21kworker/0:010:06:530
16559933,0cyclictest10655-21kworker/0:010:01:550
16559933,0cyclictest10655-21kworker/0:009:56:550
16559933,0cyclictest10655-21kworker/0:009:41:590
16559933,0cyclictest10655-21kworker/0:008:57:010
16559933,0cyclictest10655-21kworker/0:008:47:000
16559933,0cyclictest10655-21kworker/0:008:31:540
16559933,0cyclictest10655-21kworker/0:008:21:540
16559933,0cyclictest10655-21kworker/0:007:31:540
16559933,0cyclictest10655-21kworker/0:007:16:540
16559933,0cyclictest10655-21kworker/0:007:11:540
169930,0watchdog/10-21swapper/112:22:011
169930,0watchdog/10-21swapper/111:57:061
169930,0watchdog/10-21swapper/111:22:021
169930,0watchdog/10-21swapper/110:57:061
169930,0watchdog/10-21swapper/109:27:381
169930,0watchdog/10-21swapper/109:27:381
169930,0watchdog/10-21swapper/107:17:071
339920,0migration/316607-21diskstats07:42:053
29715020,0irq/26-eth0-rx-0-21swapper/308:57:363
16569921,0cyclictest2820-21latency_hist07:31:531
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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