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2026-01-15 - 11:21
[ 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 Thu Jan 15, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304450550,0irq/25-eth10-21swapper/319:04:333
1554523525,0sleep20-21swapper/219:05:362
1550923525,0sleep10-21swapper/119:05:111
1539623524,0sleep00-21swapper/019:03:540
4160,0ktimersoftd/00-21swapper/023:06:550
35160,0ktimersoftd/30-21swapper/321:12:053
339960,0migration/36284-21fschecks_count22:42:083
339960,0migration/327756-21sh23:53:293
339960,0migration/321221-21sh22:30:213
339960,0migration/321039-21sh23:10:503
339960,0migration/315700-21munin-node19:27:133
339960,0migration/312997-21sh23:06:033
339960,0migration/311439-21sh23:42:353
29715060,0irq/26-eth0-rx-4023-21sed22:17:163
29715060,0irq/26-eth0-rx-29746-21latency_hist22:36:543
29715060,0irq/26-eth0-rx-27332-21ls23:32:163
157309960,0cyclictest0-21swapper/222:32:062
157299966,0cyclictest0-21swapper/122:14:251
157289960,0cyclictest14055-21diskmemload22:16:500
149960,0migration/013538-21sh22:05:440
4150,0ktimersoftd/00-21swapper/023:32:020
35150,0ktimersoftd/30-21swapper/320:36:553
339950,0migration/39721-21taskset19:23:233
339950,0migration/37408-21taskset21:01:533
339950,0migration/36979-21fschecks_count21:22:073
339950,0migration/36076-21runrttasks21:41:423
339950,0migration/35504-21sh22:00:443
339950,0migration/34750-21aten_r1power_fr00:22:053
339950,0migration/330691-21kthreadcore19:17:093
339950,0migration/329557-21df_abs23:57:053
339950,0migration/32893-21kthreadcore22:37:113
339950,0migration/327025-21unixbench_multi00:12:183
339950,0migration/326467-21kthreadcore23:12:143
339950,0migration/326174-21kthreadcore19:12:113
339950,0migration/324364-21munin-node19:37:093
339950,0migration/322537-21taskset22:12:093
339950,0migration/322066-21latency_hist21:11:553
339950,0migration/321167-21sh22:09:293
339950,0migration/320699-21runrttasks00:11:463
339950,0migration/319792-21latency_hist20:46:553
339950,0migration/319589-21fschecks_time20:22:083
339950,0migration/319582-21taskset00:29:133
339950,0migration/315004-21kthreadcore20:17:123
339950,0migration/313334-21latency_hist23:26:543
339950,0migration/31247-21kthreadcore23:37:113
339950,0migration/311016-21unixbench_singl00:02:163
339950,0migration/310168-21kthreadcore21:42:123
29725050,0irq/27-eth0-tx-8466-21cut22:02:102
29725050,0irq/27-eth0-tx-5165-21munin-node23:42:092
29725050,0irq/27-eth0-tx-3272-21ssh23:58:032
29725050,0irq/27-eth0-tx-30380-21perl23:17:082
29725050,0irq/27-eth0-tx-20699-21ssh21:08:350
29725050,0irq/27-eth0-tx-19958-21munin-node20:47:100
29725050,0irq/27-eth0-tx-14411-21sed23:47:092
29725050,0irq/27-eth0-tx-13993-21munin-node22:27:142
29725050,0irq/27-eth0-tx-12012-21ssh23:03:132
29725050,0irq/27-eth0-tx-0-21swapper/221:34:132
29725050,0irq/27-eth0-tx-0-21swapper/221:34:132
29725050,0irq/27-eth0-tx-0-21swapper/221:22:052
29725050,0irq/27-eth0-tx-0-21swapper/221:12:422
29725050,0irq/27-eth0-tx-0-21swapper/200:35:092
29725050,0irq/27-eth0-tx-0-21swapper/200:19:212
29725050,0irq/27-eth0-tx-0-21swapper/200:16:212
29725050,0irq/27-eth0-tx-0-21swapper/021:02:150
29725050,0irq/27-eth0-tx-0-21swapper/019:50:370
29725050,0irq/27-eth0-tx-0-21swapper/019:42:090
29715050,0irq/26-eth0-rx-6559-21runrttasks21:16:583
29715050,0irq/26-eth0-rx-6559-21runrttasks00:32:053
29715050,0irq/26-eth0-rx-3059-21ssh00:18:123
29715050,0irq/26-eth0-rx-24676-21munin-node20:02:063
29715050,0irq/26-eth0-rx-235542sleep321:32:083
29715050,0irq/26-eth0-rx-235542sleep321:32:083
29715050,0irq/26-eth0-rx-22783-21cpuspeed_turbos21:52:053
29715050,0irq/26-eth0-rx-22555-21sensors_temp19:32:153
29715050,0irq/26-eth0-rx-15711-21irqcore21:27:113
29715050,0irq/26-eth0-rx-0-21swapper/323:47:133
29715050,0irq/26-eth0-rx-0-21swapper/323:22:073
29715050,0irq/26-eth0-rx-0-21swapper/322:57:083
29715050,0irq/26-eth0-rx-0-21swapper/322:54:513
29715050,0irq/26-eth0-rx-0-21swapper/322:22:103
29715050,0irq/26-eth0-rx-0-21swapper/322:03:253
27150,0ktimersoftd/20-21swapper/223:06:552
259950,0migration/29591-21kthreadcore22:42:122
259950,0migration/23641-21taskset23:38:182
259950,0migration/229338-21sh21:54:222
259950,0migration/228066-21sh22:12:192
259950,0migration/220847-21sh22:08:352
259950,0migration/215122-21fschecks_count21:27:082
259950,0migration/212232-21sh00:26:132
259950,0migration/210767-21latency23:22:112
249950,0watchdog/24870-21sh22:40:132
19150,0ktimersoftd/10-21swapper/123:14:291
19150,0ktimersoftd/10-21swapper/123:10:421
179950,0migration/15042-21aten_r1power_po00:02:041
179950,0migration/113095-21idleruntime20:17:091
157309955,0cyclictest0-21swapper/221:10:262
157309954,0cyclictest3241-21irqbalance20:53:432
157309954,0cyclictest3241-21irqbalance20:42:432
157309954,0cyclictest3241-21irqbalance20:39:432
157309954,0cyclictest3241-21irqbalance19:41:442
157309954,0cyclictest3241-21irqbalance19:36:342
157309954,0cyclictest3241-21irqbalance19:15:542
157309950,0cyclictest0-21swapper/223:27:362
157299955,0cyclictest0-21swapper/122:58:061
157299955,0cyclictest0-21swapper/121:43:411
157299955,0cyclictest0-21swapper/119:27:091
157299955,0cyclictest0-21swapper/100:06:591
157299954,0cyclictest5468-21ls22:41:541
157299950,0cyclictest0-21swapper/100:15:401
157289955,0cyclictest0-21swapper/021:35:220
157289955,0cyclictest0-21swapper/021:35:220
157289955,0cyclictest0-21swapper/020:57:130
157289955,0cyclictest0-21swapper/000:17:170
157289950,0cyclictest0-21swapper/000:13:300
157289950,0cyclictest0-21swapper/000:11:360
149950,0migration/0562-21sh20:32:090
149950,0migration/030339-21munin-node23:37:080
149950,0migration/028252-21munin-node21:52:150
149950,0migration/021941-21aten2.4-expect22:52:050
149950,0migration/020801-21sh21:27:200
149950,0migration/019946-21sh00:30:160
149950,0migration/014229-21sh21:46:550
149950,0migration/011780-21sh23:43:340
149950,0migration/010572-21switchtime00:22:170
339940,0migration/331688-21taskset20:28:073
339940,0migration/316154-21kthreadcore22:47:113
339940,0migration/312238-21kthreadcore21:02:133
29725040,0irq/27-eth0-tx-5929-21ssh22:22:012
29725040,0irq/27-eth0-tx-4693-21ssh21:18:202
29725040,0irq/27-eth0-tx-29321-21aten2.4-expect19:17:040
29725040,0irq/27-eth0-tx-0-21swapper/223:32:362
29725040,0irq/27-eth0-tx-0-21swapper/223:12:492
29725040,0irq/27-eth0-tx-0-21swapper/222:56:572
29725040,0irq/27-eth0-tx-0-21swapper/222:17:062
29725040,0irq/27-eth0-tx-0-21swapper/221:42:082
29725040,0irq/27-eth0-tx-0-21swapper/221:37:032
29725040,0irq/27-eth0-tx-0-21swapper/200:26:552
29725040,0irq/27-eth0-tx-0-21swapper/200:02:002
29725040,0irq/27-eth0-tx-0-21swapper/020:12:070
29725040,0irq/27-eth0-tx-0-21swapper/020:07:150
29725040,0irq/27-eth0-tx-0-21swapper/019:22:100
29715040,0irq/26-eth0-rx-0-21swapper/323:18:363
29715040,0irq/26-eth0-rx-0-21swapper/321:47:063
29715040,0irq/26-eth0-rx-0-21swapper/320:47:123
29715040,0irq/26-eth0-rx-0-21swapper/319:52:053
29715040,0irq/26-eth0-rx-0-21swapper/319:46:003
29715040,0irq/26-eth0-rx-0-21swapper/319:07:133
259940,0migration/23304-21kthreadcore20:07:112
259940,0migration/22868-21munin-node19:17:162
259940,0migration/227192-21latency22:52:122
259940,0migration/222781-21kthreadcore19:57:122
259940,0migration/217875-21kthreadcore22:47:122
259940,0migration/217634-21missed_timers20:17:132
259940,0migration/216855-21munin-node19:07:112
259940,0migration/211552-21cpuspeed_turbos19:52:062
259940,0migration/210843-21kthreadcore21:02:122
249940,0watchdog/231518-21iostat21:57:092
249940,0watchdog/225341-21kthreadcore23:52:122
249940,0watchdog/211394-21timerandwakeup20:12:172
249940,0watchdog/20-21swapper/220:22:092
179940,0migration/19234-21kthreadcore20:37:111
179940,0migration/1867-21kthreadcore21:57:101
179940,0migration/17552-21latency_hist21:01:551
179940,0migration/15546-21taskset22:21:331
179940,0migration/129823-21df_abs23:37:061
179940,0migration/128867-21taskset22:34:231
179940,0migration/126886-21kthreadcore20:02:111
179940,0migration/12493-21timerandwakeup00:17:161
179940,0migration/124337-21kthreadcore19:12:111
179940,0migration/120019-21ntp_kernel_err21:47:111
179940,0migration/113175-21runrttasks22:45:571
169940,0watchdog/127682-21ssh23:32:331
169940,0watchdog/115246-21if_eth1.221:07:091
169940,0watchdog/114149-21if_eth123:47:081
169940,0watchdog/111630-21ssh23:43:081
169940,0watchdog/111555-21ssh00:24:161
157309943,0cyclictest3514-21snmpd19:22:312
157309943,0cyclictest3514-21snmpd00:07:022
157309943,0cyclictest3241-21irqbalance20:57:432
157309943,0cyclictest3241-21irqbalance20:48:032
157309943,0cyclictest3241-21irqbalance20:33:032
157309943,0cyclictest3241-21irqbalance20:27:532
157309943,0cyclictest3241-21irqbalance19:27:542
157309943,0cyclictest31121-21awk19:42:102
157309943,0cyclictest15462-21awk21:47:082
157299944,0cyclictest25442-21kthreadcore21:12:131
157299944,0cyclictest0-21swapper/123:29:001
157299944,0cyclictest0-21swapper/122:24:121
157299944,0cyclictest0-21swapper/121:19:431
157299943,0cyclictest6477-21awk20:12:091
157299943,0cyclictest5406-21awk19:47:091
157299943,0cyclictest3556-21lldpd19:46:051
157299943,0cyclictest3556-21lldpd19:37:051
157299943,0cyclictest3514-21snmpd20:36:161
157299943,0cyclictest3514-21snmpd20:25:161
157299943,0cyclictest3514-21snmpd19:34:161
157299943,0cyclictest3514-21snmpd19:23:461
157299943,0cyclictest3514-21snmpd19:08:011
157299943,0cyclictest3514-21snmpd00:32:331
157299943,0cyclictest3514-21snmpd00:30:331
157299943,0cyclictest3241-21irqbalance21:30:031
157299943,0cyclictest32188-21awk20:07:091
157299943,0cyclictest31680-21awk21:37:091
157299943,0cyclictest30582-21awk23:17:101
157299943,0cyclictest22852-21awk22:52:091
157299943,0cyclictest14668-21awk22:47:091
157299943,0cyclictest13307-21sadc23:06:541
157289944,0cyclictest0-21swapper/023:12:010
157289944,0cyclictest0-21swapper/022:10:030
157289944,0cyclictest0-21swapper/021:49:050
157289944,0cyclictest0-21swapper/020:27:160
157289943,0cyclictest6434-21awk23:02:060
157289943,0cyclictest6290-21awk23:22:080
157289943,0cyclictest3556-21lldpd22:21:370
157289943,0cyclictest3514-21snmpd19:30:160
157289943,0cyclictest3241-21irqbalance21:22:030
157289943,0cyclictest3241-21irqbalance00:02:230
157289943,0cyclictest31446-21awk21:17:110
157289943,0cyclictest27571-21awk20:52:090
157289943,0cyclictest25491-21awk20:02:100
157289943,0cyclictest23195-21awk21:12:110
157289943,0cyclictest17675-21sadc19:56:550
157289943,0cyclictest16829-21awk19:07:100
149940,0migration/09870-21kthreadcore22:42:120
149940,0migration/07773-21kthreadcore22:22:100
149940,0migration/03279-21timerandwakeup23:17:180
149940,0migration/02795-21timerwakeupswit23:57:150
149940,0migration/025395-21kthreadcore22:32:110
149940,0migration/023357-21kthreadcore20:22:120
149940,0migration/023208-21taskset19:35:460
149940,0migration/021015-21taskset22:50:200
149940,0migration/011824-21latency20:37:120
29725030,0irq/27-eth0-tx-23608-21aten2.4-expect19:37:060
29725030,0irq/27-eth0-tx-0-21swapper/019:57:060
29715030,0irq/26-eth0-rx-0-21swapper/320:52:433
29715030,0irq/26-eth0-rx-0-21swapper/320:12:063
29715030,0irq/26-eth0-rx-0-21swapper/320:00:363
29715030,0irq/26-eth0-rx-0-21swapper/319:48:463
179930,0migration/117504-21kthreadcore20:42:111
169930,0watchdog/125340-21kthreadcore23:52:121
169930,0watchdog/10-21swapper/123:57:001
169930,0watchdog/10-21swapper/121:32:211
169930,0watchdog/10-21swapper/121:32:211
169930,0watchdog/10-21swapper/121:22:131
169930,0watchdog/10-21swapper/120:52:051
169930,0watchdog/10-21swapper/119:52:211
157309932,0cyclictest5421-21awk19:47:092
157309932,0cyclictest25563-21awk20:02:102
157299933,0cyclictest3556-21lldpd23:22:371
157299932,0cyclictest6293-21aten_r1power_fr22:02:041
157299932,0cyclictest3556-21lldpd22:07:061
157299932,0cyclictest30147-21awk19:17:081
157299932,0cyclictest23398-21awk21:52:081
157299932,0cyclictest19987-21stty20:47:061
157299930,0cyclictest14398-21df_inode22:27:061
157289933,0cyclictest3556-21lldpd23:30:070
157289933,0cyclictest23286-21kworker/0:223:52:120
157289932,0cyclictest3514-21snmpd19:16:160
157289932,0cyclictest3241-21irqbalance20:17:030
157289932,0cyclictest31475-21grep21:37:070
157289932,0cyclictest30755-21grep22:37:070
157289932,0cyclictest23916-21kthreadcore00:32:110
157289932,0cyclictest18985-21sensors23:47:160
157289930,0cyclictest30890-21interrupts22:57:100
157289930,0cyclictest14400-21diskstats22:27:060
157289930,0cyclictest0-21swapper/020:42:070
29715020,0irq/26-eth0-rx-0-21swapper/320:33:423
29715020,0irq/26-eth0-rx-0-21swapper/320:08:383
169920,0watchdog/10-21swapper/120:27:051
157299921,0cyclictest7631-21latency_hist21:01:551
157299921,0cyclictest17852-21date19:56:551
157289920,0cyclictest0-21swapper/021:56:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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