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2026-01-25 - 13:21
[ 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 Sun Jan 25, 2026 00:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2394223625,0sleep00-21swapper/019:02:410
304450350,0irq/25-eth10-21swapper/319:02:463
2384323425,0sleep20-21swapper/219:01:312
2389023324,0sleep10-21swapper/119:02:021
35160,0ktimersoftd/30-21swapper/300:31:503
339960,0migration/34230-21sh23:14:563
339960,0migration/328929-21sh21:46:513
339960,0migration/328322-21sh23:30:073
339960,0migration/326270-21sh00:27:093
339960,0migration/322135-21sh21:24:413
339960,0migration/321886-21cpuspeed_turbos22:46:093
339960,0migration/319827-21timerandwakeup22:21:203
339960,0migration/317821-21munin-node00:01:193
29715060,0irq/26-eth0-rx-28371-21port_sshpriv21:06:183
29715060,0irq/26-eth0-rx-21194-21perl23:46:103
242999966,0cyclictest22461-21diskmemload22:51:031
242999965,0cyclictest3514-21snmpd20:42:461
242999960,0cyclictest22461-21diskmemload23:43:241
242999960,0cyclictest0-21swapper/122:40:301
242999960,0cyclictest0-21swapper/121:26:141
242989960,0cyclictest0-21swapper/021:31:110
4150,0ktimersoftd/00-21swapper/023:57:260
4150,0ktimersoftd/00-21swapper/023:26:450
35150,0ktimersoftd/30-21swapper/323:57:263
339950,0migration/37797-21kthreadcore21:56:133
339950,0migration/37797-21kthreadcore21:56:133
339950,0migration/37226-21fschecks_count21:16:093
339950,0migration/37197-21sh23:16:143
339950,0migration/3608-21kthreadcore19:11:153
339950,0migration/329483-21munin-node23:51:133
339950,0migration/328931-21aten_r1power_en23:31:083
339950,0migration/328713-21cpuspeed_turbos20:46:113
339950,0migration/327843-21sh00:10:493
339950,0migration/314737-21kthreadcore23:21:143
339950,0migration/314666-21df_abs22:01:103
339950,0migration/314425-21taskset20:31:273
339950,0migration/313328-21aten_r1power_en23:01:083
339950,0migration/313079-21latency_hist23:00:573
339950,0migration/312156-21runrttasks22:16:233
339950,0migration/310527-21ksmtuned00:17:533
29725050,0irq/27-eth0-tx-13580-21munin-node22:41:212
29725050,0irq/27-eth0-tx-13160-21chrt21:17:282
29715050,0irq/26-eth0-rx-5344-21ssh21:13:103
29715050,0irq/26-eth0-rx-27795-21grep22:06:173
29715050,0irq/26-eth0-rx-27131-21grep21:26:153
29715050,0irq/26-eth0-rx-14921-21grep21:41:103
29715050,0irq/26-eth0-rx-14828-21ntpq20:56:183
29715050,0irq/26-eth0-rx-0-21swapper/323:43:303
29715050,0irq/26-eth0-rx-0-21swapper/323:36:353
29715050,0irq/26-eth0-rx-0-21swapper/322:29:213
29715050,0irq/26-eth0-rx-0-21swapper/321:53:523
29715050,0irq/26-eth0-rx-0-21swapper/321:39:033
29715050,0irq/26-eth0-rx-0-21swapper/321:31:153
29715050,0irq/26-eth0-rx-0-21swapper/319:31:153
259950,0migration/21498-21unixbench-2d00:31:222
243009955,0cyclictest0-21swapper/221:41:172
243009950,0cyclictest0-21swapper/222:07:272
242999955,0cyclictest22461-21diskmemload23:16:361
242999955,0cyclictest0-21swapper/123:51:361
242999955,0cyclictest0-21swapper/122:19:501
242999954,0cyclictest28169-21grep20:21:131
242999954,0cyclictest18034-21grep00:01:211
242999950,0cyclictest0-21swapper/123:35:591
242999950,0cyclictest0-21swapper/122:32:181
242999950,0cyclictest0-21swapper/122:11:391
242989955,0cyclictest0-21swapper/022:32:030
242989955,0cyclictest0-21swapper/021:15:160
242989955,0cyclictest0-21swapper/021:08:200
242989950,0cyclictest0-21swapper/023:54:580
242989950,0cyclictest0-21swapper/023:36:130
242989950,0cyclictest0-21swapper/022:04:180
249950,0watchdog/20-21swapper/222:25:442
19150,0ktimersoftd/10-21swapper/123:57:261
179950,0migration/131923-21sh21:11:151
179950,0migration/126862-21munin-node19:56:091
179950,0migration/126098-21kthreadcore22:26:151
179950,0migration/120022-21sh23:24:231
169950,0watchdog/130071-21kthreadcore00:31:161
149950,0migration/09530-21kthreadcore19:16:160
149950,0migration/07336-21kthreadcore23:16:140
149950,0migration/06627-21kthreadcore20:51:160
149950,0migration/032603-21kthreadcore23:31:140
149950,0migration/03182-21kthreadcore20:26:150
149950,0migration/0307-21kthreadcore21:51:130
149950,0migration/030541-21taskset19:06:380
149950,0migration/028861-21kthreadcore19:56:130
149950,0migration/024909-21taskset19:27:040
149950,0migration/024824-21kthreadcore22:46:140
149950,0migration/024381-21kthreadcore20:16:150
149950,0migration/024314-21kthreadcore23:06:150
149950,0migration/023491-21fschecks_time21:26:100
149950,0migration/021021-21fschecks_count23:46:100
149950,0migration/020759-21kthreadcore21:01:150
149950,0migration/020026-21sh22:42:180
149950,0migration/019995-21aten_r1power_po00:26:100
149950,0migration/018742-21kthreadcore20:36:150
149950,0migration/016827-21kthreadcore23:21:150
149950,0migration/01669-21if_eth120:01:150
149950,0migration/016604-21kthreadcore21:21:160
149950,0migration/016468-21kthreadcore23:01:140
149950,0migration/013889-21hwlatdetect19:46:130
149950,0migration/01355-21kthreadcore19:36:150
149950,0migration/012504-21taskset21:56:390
149950,0migration/012504-21taskset21:56:390
149950,0migration/011891-21aten_r1power_cu00:21:110
149950,0migration/01052-21taskset20:21:360
12244250,0sleep012357-21aten_r1power_po00:01:100
8215040,0irq/24-0000:00:31893-21munin-plugin-st19:35:592
8215040,0irq/24-0000:00:20779-21munin-node20:16:202
339940,0migration/38778-21taskset20:51:453
339940,0migration/35567-21timerandwakeup19:36:213
339940,0migration/35567-21diskmemload22:36:053
339940,0migration/33210-21kthreadcore20:01:173
339940,0migration/331067-21kthreadcore00:11:133
339940,0migration/330672-21kthreadcore19:56:143
339940,0migration/32242-21kthreadcore22:11:173
339940,0migration/320594-21latency_hist20:15:593
339940,0migration/318750-21latency_hist19:25:593
339940,0migration/318708-21latency_hist19:25:593
29725040,0irq/27-eth0-tx-26804-21cat23:06:182
29725040,0irq/27-eth0-tx-22461-21diskmemload23:48:272
29725040,0irq/27-eth0-tx-22461-21diskmemload22:11:112
29725040,0irq/27-eth0-tx-18044-21ssh00:21:282
29725040,0irq/27-eth0-tx-0-21swapper/223:52:412
29725040,0irq/27-eth0-tx-0-21swapper/223:36:192
29725040,0irq/27-eth0-tx-0-21swapper/223:11:022
29725040,0irq/27-eth0-tx-0-21swapper/222:55:122
29725040,0irq/27-eth0-tx-0-21swapper/222:48:502
29725040,0irq/27-eth0-tx-0-21swapper/222:16:122
29725040,0irq/27-eth0-tx-0-21swapper/222:01:052
29725040,0irq/27-eth0-tx-0-21swapper/221:58:062
29725040,0irq/27-eth0-tx-0-21swapper/221:58:062
29725040,0irq/27-eth0-tx-0-21swapper/221:52:082
29725040,0irq/27-eth0-tx-0-21swapper/221:31:302
29725040,0irq/27-eth0-tx-0-21swapper/221:27:302
29725040,0irq/27-eth0-tx-0-21swapper/221:11:132
29725040,0irq/27-eth0-tx-0-21swapper/019:21:130
29715040,0irq/26-eth0-rx-0-21swapper/323:06:283
29715040,0irq/26-eth0-rx-0-21swapper/322:51:413
29715040,0irq/26-eth0-rx-0-21swapper/322:41:143
29715040,0irq/26-eth0-rx-0-21swapper/322:33:243
29715040,0irq/26-eth0-rx-0-21swapper/300:22:023
259940,0migration/29781-21kthreadcore20:31:142
259940,0migration/28438-21kthreadcore00:16:162
259940,0migration/220915-21aten2.4-expect23:26:082
259940,0migration/212789-21sh21:36:272
243009944,0cyclictest22461-21diskmemload22:36:372
243009944,0cyclictest0-21swapper/222:33:282
243009943,0cyclictest8327-21awk20:06:132
243009943,0cyclictest604-21awk19:36:142
243009943,0cyclictest5864-21awk23:16:132
243009943,0cyclictest5169-21awk23:56:132
243009943,0cyclictest3556-21lldpd23:43:472
243009943,0cyclictest3556-21lldpd20:47:442
243009943,0cyclictest3556-21lldpd19:16:142
243009943,0cyclictest3514-21snmpd20:15:462
243009943,0cyclictest3514-21snmpd19:51:312
243009943,0cyclictest3514-21snmpd19:47:312
243009943,0cyclictest3514-21snmpd19:30:162
243009943,0cyclictest3514-21snmpd19:21:462
243009943,0cyclictest3514-21snmpd19:13:462
243009943,0cyclictest3241-21irqbalance23:32:362
243009943,0cyclictest3241-21irqbalance23:23:562
243009943,0cyclictest3241-21irqbalance22:26:062
243009943,0cyclictest23705-21awk21:06:132
243009943,0cyclictest23598-21awk21:46:132
243009943,0cyclictest20209-21munin-node00:06:102
243009943,0cyclictest15893-21awk20:36:122
243009943,0cyclictest15732-21awk21:21:142
243009943,0cyclictest1439-21sadc20:25:592
243009943,0cyclictest14146-21awk23:01:122
243009943,0cyclictest13129-21awk00:01:132
243009943,0cyclictest10366-21awk20:56:142
243009940,0cyclictest0-21swapper/222:58:232
242999944,0cyclictest0-21swapper/121:55:241
242999944,0cyclictest0-21swapper/121:07:291
242999944,0cyclictest0-21swapper/120:26:011
242999943,0cyclictest7587-21awk21:36:131
242999943,0cyclictest514-21awk19:36:131
242999943,0cyclictest3556-21lldpd21:41:161
242999943,0cyclictest3514-21snmpd23:01:011
242999943,0cyclictest3514-21snmpd21:58:011
242999943,0cyclictest3514-21snmpd21:58:011
242999943,0cyclictest3514-21snmpd19:54:011
242999943,0cyclictest3514-21snmpd19:49:161
242999943,0cyclictest3241-21irqbalance22:21:171
242999943,0cyclictest3241-21irqbalance22:01:171
242999943,0cyclictest3241-21irqbalance20:04:571
242999943,0cyclictest20760-21awk00:26:131
242999943,0cyclictest14463-21awk22:41:121
242989944,0cyclictest0-21swapper/023:43:370
242989944,0cyclictest0-21swapper/022:53:580
242989943,0cyclictest7591-21awk21:16:110
242989943,0cyclictest3514-21snmpd21:50:460
242989943,0cyclictest3514-21snmpd20:11:460
242989943,0cyclictest32087-21awk19:11:130
242989943,0cyclictest30173-21awk23:11:130
242989943,0cyclictest10270-21awk20:56:130
249940,0watchdog/26559-21runrttasks19:43:172
249940,0watchdog/23514-21snmpd00:11:162
249940,0watchdog/228532-21kthreadcore19:56:132
249940,0watchdog/223968-21kthreadcore00:26:162
249940,0watchdog/20-21swapper/221:01:092
249940,0watchdog/20-21swapper/220:51:212
179940,0migration/17959-21kthreadcore00:16:161
179940,0migration/131637-21fschecks_time21:31:121
179940,0migration/130129-21kthreadcore00:11:131
179940,0migration/130014-21irqcore23:31:131
179940,0migration/129663-21kernelversion20:46:151
179940,0migration/128850-21runrttasks22:49:371
179940,0migration/128501-21kthreadcore19:31:151
179940,0migration/125127-21kthreadcore21:46:151
179940,0migration/123295-21kthreadcore23:46:141
179940,0migration/115521-21sh21:21:131
169940,0watchdog/18258-21hwlatdetect20:06:131
169940,0watchdog/129834-21missed_timers19:06:171
169940,0watchdog/112082-21cpu00:21:121
169940,0watchdog/10-21swapper/123:10:241
149940,0migration/08812-21kthreadcore19:41:140
149940,0migration/04519-21sh22:12:380
149940,0migration/032164-21kthreadcore20:46:160
149940,0migration/030600-21kthreadcore19:31:160
149940,0migration/023627-21kthreadcore19:51:160
149940,0migration/020956-21gltestperf00:06:110
149940,0migration/013148-21runrttasks22:19:200
149940,0migration/011544-21sh00:20:510
29715030,0irq/26-eth0-rx-0-21swapper/320:41:113
29715030,0irq/26-eth0-rx-0-21swapper/320:36:043
29715030,0irq/26-eth0-rx-0-21swapper/320:16:093
29715030,0irq/26-eth0-rx-0-21swapper/320:10:413
29715030,0irq/26-eth0-rx-0-21swapper/319:53:063
29715030,0irq/26-eth0-rx-0-21swapper/319:41:323
29715030,0irq/26-eth0-rx-0-21swapper/319:19:583
29715030,0irq/26-eth0-rx-0-21swapper/319:07:033
243009932,0cyclictest4165-21grep20:26:152
243009932,0cyclictest24454-21cat19:05:592
242999933,0cyclictest3556-21lldpd19:28:131
242999933,0cyclictest3556-21lldpd19:24:441
242999932,0cyclictest9516-21aten_r1power_po20:56:101
242999932,0cyclictest843-21kthreadcore19:11:151
242999932,0cyclictest6461-21awk19:16:141
242999932,0cyclictest3241-21irqbalance23:11:561
242999932,0cyclictest23219-21awk22:06:131
242999932,0cyclictest15182-21stty20:36:091
242999932,0cyclictest12102-21sensors19:41:191
242999930,0cyclictest0-21swapper/120:33:061
242989933,0cyclictest5219-21kworker/0:222:55:590
242989933,0cyclictest5219-21kworker/0:222:21:050
242989933,0cyclictest5219-21kworker/0:221:36:000
242989933,0cyclictest5219-21kworker/0:220:41:020
242989933,0cyclictest5219-21kworker/0:220:31:080
242989933,0cyclictest5219-21kworker/0:200:31:110
242989933,0cyclictest5219-21kworker/0:200:11:130
242989932,0cyclictest6504-21awk22:36:130
242989932,0cyclictest3514-21snmpd22:06:030
242989932,0cyclictest3514-21snmpd20:06:010
242989932,0cyclictest15553-21awk21:41:130
242989930,0cyclictest22647-21perl22:26:100
249930,0watchdog/20-21swapper/220:41:132
249930,0watchdog/20-21swapper/220:01:172
179930,0migration/16010-21hddtemp_smartct22:56:111
179930,0migration/122731-21kthreadcore23:26:141
169930,0watchdog/122461-21diskmemload00:06:041
169930,0watchdog/116109-21aten_r1power_en21:01:091
169930,0watchdog/114900-21smartctl20:11:131
169930,0watchdog/10-21swapper/121:16:091
169930,0watchdog/10-21swapper/120:51:011
329920,0watchdog/30-21swapper/320:26:103
29715020,0irq/26-eth0-rx-0-21swapper/321:01:113
29715020,0irq/26-eth0-rx-0-21swapper/320:21:113
29715020,0irq/26-eth0-rx-0-21swapper/319:46:133
242999921,0cyclictest0-21swapper/120:15:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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