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2026-02-04 - 11:09
[ 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 Wed Feb 04, 2026 00:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
550323524,0sleep00-21swapper/019:00:090
304450350,0irq/25-eth10-21swapper/319:01:063
1183923525,0sleep20-21swapper/219:04:152
549922723,0sleep10-21swapper/119:00:061
119809999,0cyclictest8487-21sadc23:25:021
35160,0ktimersoftd/30-21swapper/323:28:233
339960,0migration/39935-21aten_r1power_en22:05:123
339960,0migration/38997-21sh22:03:173
339960,0migration/332530-21sh22:37:343
339960,0migration/327459-21irqcore19:40:193
29715060,0irq/26-eth0-rx-6481-21ssh23:40:233
29715060,0irq/26-eth0-rx-6481-21ssh23:40:233
29715060,0irq/26-eth0-rx-25082-21perl00:15:143
29715060,0irq/26-eth0-rx-0-21swapper/322:23:163
149960,0migration/027117-21sh21:15:150
149960,0migration/026102-21cpuspeed_turbos22:15:140
149960,0migration/015207-21unixbench_multi23:05:250
119829960,0cyclictest0-21swapper/222:43:042
119809960,0cyclictest0-21swapper/122:55:081
8215050,0irq/24-0000:00:18224-21ls21:30:022
339950,0migration/39867-21gltestperf23:05:153
339950,0migration/37891-21switchtime21:40:243
339950,0migration/37601-21timerwakeupswit20:10:243
339950,0migration/37541-21irqcore19:25:173
339950,0migration/36281-21munin-node23:20:213
339950,0migration/36041-21timerwakeupswit00:20:243
339950,0migration/33777-21kthreadcore19:45:183
339950,0migration/33558-21munin-node20:35:173
339950,0migration/330400-21kthreadcore19:15:183
339950,0migration/329568-21cpuspeed_turbos20:55:143
339950,0migration/327508-21kthreadcore23:35:183
339950,0migration/325622-21fschecks_count23:15:153
339950,0migration/325181-21fschecks_time23:55:153
339950,0migration/322357-21fschecks_time20:25:153
339950,0migration/321743-21open_files00:30:233
339950,0migration/320681-21latency_hist20:00:023
339950,0migration/319300-21munin-node21:30:163
339950,0migration/319276-21kthreadcore22:10:193
339950,0migration/317814-21runrttasks21:28:513
339950,0migration/317344-21fschecks_count23:30:153
339950,0migration/315659-21taskset22:45:533
339950,0migration/315421-21df_abs20:20:213
339950,0migration/315399-21taskset20:40:473
339950,0migration/312180-21kthreadcore00:05:183
339950,0migration/311755-21kthreadcore22:25:183
339950,0migration/31118-21taskset20:06:283
29725050,0irq/27-eth0-tx-8599-21cpuspeed_turbos00:05:132
29725050,0irq/27-eth0-tx-28375-21munin-node20:30:230
29725050,0irq/27-eth0-tx-18864-21munin-node19:10:180
29725050,0irq/27-eth0-tx-0-21swapper/223:05:022
29715050,0irq/26-eth0-rx-4504-21tr21:20:183
29715050,0irq/26-eth0-rx-31788-21sort21:35:203
29715050,0irq/26-eth0-rx-22452-21grep22:30:193
29715050,0irq/26-eth0-rx-14316-21python23:45:243
29715050,0irq/26-eth0-rx-0-21swapper/323:12:073
29715050,0irq/26-eth0-rx-0-21swapper/323:00:193
29715050,0irq/26-eth0-rx-0-21swapper/322:40:123
29715050,0irq/26-eth0-rx-0-21swapper/322:15:193
29715050,0irq/26-eth0-rx-0-21swapper/321:57:213
29715050,0irq/26-eth0-rx-0-21swapper/321:15:223
29715050,0irq/26-eth0-rx-0-21swapper/321:10:293
29715050,0irq/26-eth0-rx-0-21swapper/319:20:183
259950,0migration/218270-21aten2.4-expect21:50:122
179950,0migration/16864-21munin-node23:00:221
179950,0migration/129065-21kthreadcore22:15:191
179950,0migration/125260-21sh21:12:561
179950,0migration/124591-21aten_r1power_en23:55:121
179950,0migration/114893-21sh22:45:211
179950,0migration/110246-21kthreadcore23:25:181
169950,0watchdog/124826-21head23:35:121
149950,0migration/09268-21latency_hist22:45:020
149950,0migration/09026-21kthreadcore19:25:180
149950,0migration/08531-21diskmemload00:05:130
149950,0migration/07640-21taskset23:22:340
149950,0migration/07353-21taskset00:02:540
149950,0migration/04472-21kthreadcore20:10:180
149950,0migration/03439-21idleruntime20:35:160
149950,0migration/031357-21sh23:15:440
149950,0migration/029438-21kthreadcore22:35:180
149950,0migration/025795-21irqrtprio23:55:180
149950,0migration/023508-21munin-node22:30:240
149950,0migration/023107-21kthreadcore20:25:180
149950,0migration/022798-21kthreadcore20:00:200
149950,0migration/022204-21munin-node00:10:220
149950,0migration/020580-21pmu-power20:20:290
149950,0migration/019020-21kthreadcore19:55:200
149950,0migration/018988-21fschecks_count21:30:150
149950,0migration/018340-21munin-node22:50:170
149950,0migration/01752-21kthreadcore23:40:170
149950,0migration/01752-21kthreadcore23:40:170
149950,0migration/016803-21sh22:07:410
149950,0migration/014347-21switchtime23:45:240
149950,0migration/013076-21kthreadcore23:25:190
149950,0migration/012564-21kthreadcore22:25:190
149950,0migration/01111-21sh21:38:140
119829955,0cyclictest0-21swapper/223:47:432
119829950,0cyclictest0-21swapper/222:39:172
119809954,0cyclictest23851-21sed20:50:221
119809950,0cyclictest10080-21diskmemload00:21:221
119799955,0cyclictest0-21swapper/020:40:160
119799950,0cyclictest0-21swapper/022:40:140
339940,0migration/328864-21kthreadcore22:55:183
339940,0migration/320848-21kthreadcore00:10:193
339940,0migration/319283-21ksmtuned19:31:343
339940,0migration/319199-21kthreadcore23:50:193
339940,0migration/314958-21kthreadcore21:05:203
29725040,0irq/27-eth0-tx-8551-21ssh21:20:422
29725040,0irq/27-eth0-tx-31071-21ssh00:16:462
29725040,0irq/27-eth0-tx-17458-21ssh00:10:172
29725040,0irq/27-eth0-tx-13937-21sensors_temp00:25:232
29725040,0irq/27-eth0-tx-10080-21diskmemload21:36:012
29725040,0irq/27-eth0-tx-0-21swapper/223:55:192
29725040,0irq/27-eth0-tx-0-21swapper/223:50:052
29725040,0irq/27-eth0-tx-0-21swapper/223:15:182
29725040,0irq/27-eth0-tx-0-21swapper/223:11:172
29725040,0irq/27-eth0-tx-0-21swapper/223:05:372
29725040,0irq/27-eth0-tx-0-21swapper/222:56:522
29725040,0irq/27-eth0-tx-0-21swapper/222:50:242
29725040,0irq/27-eth0-tx-0-21swapper/222:25:302
29725040,0irq/27-eth0-tx-0-21swapper/222:10:052
29725040,0irq/27-eth0-tx-0-21swapper/221:16:142
29725040,0irq/27-eth0-tx-0-21swapper/221:05:452
29725040,0irq/27-eth0-tx-0-21swapper/200:31:562
29725040,0irq/27-eth0-tx-0-21swapper/019:45:210
29715040,0irq/26-eth0-rx-0-21swapper/322:50:233
29715040,0irq/26-eth0-rx-0-21swapper/321:50:403
29715040,0irq/26-eth0-rx-0-21swapper/321:45:263
29715040,0irq/26-eth0-rx-0-21swapper/321:00:183
29715040,0irq/26-eth0-rx-0-21swapper/300:25:223
29715040,0irq/26-eth0-rx-0-21swapper/300:00:143
27140,0ktimersoftd/20-21swapper/221:55:092
259940,0migration/29297-21fschecks_count23:25:152
259940,0migration/28458-21diskmemload22:01:412
259940,0migration/26824-21kthreadcore21:40:192
259940,0migration/2388-21kthreadcore20:55:202
259940,0migration/227424-21latency_hist20:05:022
259940,0migration/227121-21kthreadcore20:50:232
259940,0migration/222592-21kthreadcore21:10:192
259940,0migration/221980-21kthreadcore19:35:172
259940,0migration/219884-21kthreadcore23:30:192
259940,0migration/219327-21runrttasks19:32:062
259940,0migration/218363-21gltestperf22:30:152
259940,0migration/21781-21cpuspeed_turbos22:20:132
259940,0migration/215166-21irqcore19:55:182
259940,0migration/210441-21kthreadcore19:25:182
249940,0watchdog/26483-21unixbench-2d23:40:242
249940,0watchdog/26483-21unixbench-2d23:40:242
249940,0watchdog/224827-21tail23:35:122
249940,0watchdog/224479-21kthreadcore20:00:202
249940,0watchdog/215605-21netstat21:45:202
249940,0watchdog/20-21swapper/220:35:202
249940,0watchdog/20-21swapper/219:40:202
249940,0watchdog/20-21swapper/200:00:192
19140,0ktimersoftd/10-21swapper/121:55:091
179940,0migration/19212-21hwlatdetect20:15:151
179940,0migration/19020-21munin-node23:45:151
179940,0migration/16416-21timerandwakeup23:40:231
179940,0migration/16416-21timerandwakeup23:40:231
179940,0migration/15071-21kthreadcore21:00:181
179940,0migration/15038-21kthreadcore21:20:181
179940,0migration/14763-21kthreadcore22:00:201
179940,0migration/13950-21kthreadcore22:20:181
179940,0migration/13758-21kthreadcore19:20:181
179940,0migration/132651-21taskset19:42:221
179940,0migration/130505-21kthreadcore20:30:181
179940,0migration/127940-21kthreadcore21:35:191
179940,0migration/126603-21cpuspeed_turbos21:15:131
179940,0migration/124848-21runrttasks22:33:361
179940,0migration/12123-21latency20:55:201
179940,0migration/120782-21kthreadcore20:45:191
179940,0migration/120721-21kthreadcore19:10:181
179940,0migration/120310-21kthreadcore21:50:181
179940,0migration/118099-21kthreadcore19:30:211
179940,0migration/116810-21taskset23:30:121
179940,0migration/115074-21if_eth119:55:171
179940,0migration/114875-21kthreadcore21:25:191
179940,0migration/114792-21kthreadcore22:05:181
179940,0migration/113571-21kthreadcore21:05:191
179940,0migration/110409-21hwlatdetect22:25:161
169940,0watchdog/115589-21netstat21:45:201
169940,0watchdog/110027-21fschecks_time20:40:161
169940,0watchdog/10-21swapper/123:15:201
169940,0watchdog/10-21swapper/123:10:201
169940,0watchdog/10-21swapper/122:40:201
169940,0watchdog/10-21swapper/100:10:151
149940,0migration/08694-21runrttasks22:23:130
149940,0migration/04191-21fschecks_time21:00:140
149940,0migration/031370-21runrttasks23:36:360
149940,0migration/030615-21runrttasks00:15:260
149940,0migration/023952-21switchtime21:50:230
149940,0migration/018413-21ksmtuned19:07:340
149940,0migration/016357-21kthreadcore19:30:210
149940,0migration/014645-21runrttasks20:17:480
149940,0migration/01296-21kthreadcore19:20:170
119829943,0cyclictest940-21awk00:20:162
119829943,0cyclictest549-21awk19:20:152
119829943,0cyclictest3514-21snmpd21:02:292
119829943,0cyclictest3241-21irqbalance23:20:102
119829943,0cyclictest3241-21irqbalance20:30:102
119829943,0cyclictest3241-21irqbalance20:26:302
119829943,0cyclictest3241-21irqbalance20:20:112
119829943,0cyclictest3241-21irqbalance20:16:212
119829943,0cyclictest3241-21irqbalance20:10:112
119829943,0cyclictest26766-21awk22:15:162
119829943,0cyclictest26345-21awk19:15:162
119829943,0cyclictest19746-21awk19:10:162
119829943,0cyclictest16858-21awk20:45:162
119829943,0cyclictest1567-21awk19:45:162
119829943,0cyclictest13170-21awk19:05:162
119829943,0cyclictest10325-21awk22:45:172
119829943,0cyclictest10200-21awk20:40:172
119809943,0cyclictest9353-21awk00:05:161
119809943,0cyclictest9028-21awk00:25:161
119809943,0cyclictest8426-21awk19:50:171
119809943,0cyclictest8185-21sadc20:15:021
119809943,0cyclictest3556-21lldpd23:06:381
119809943,0cyclictest3556-21lldpd22:10:081
119809943,0cyclictest3556-21lldpd00:04:381
119809943,0cyclictest28333-21awk20:05:191
119809943,0cyclictest26495-21awk22:35:151
119809943,0cyclictest26202-21sadc21:35:021
119809943,0cyclictest22632-21awk20:25:161
119809943,0cyclictest21728-21awk20:00:181
119809943,0cyclictest17158-21awk00:30:181
119809940,0cyclictest0-21swapper/123:54:151
119799943,0cyclictest3556-21lldpd22:11:370
119799943,0cyclictest3556-21lldpd21:55:070
119799943,0cyclictest3556-21lldpd19:53:370
119799943,0cyclictest2701-21awk22:00:180
119799943,0cyclictest20685-21awk19:35:150
119799943,0cyclictest1880-21awk23:00:160
119799943,0cyclictest18076-21awk23:10:170
119799940,0cyclictest0-21swapper/023:31:570
119799940,0cyclictest0-21swapper/000:20:400
29725030,0irq/27-eth0-tx-9836-21ssh22:05:042
29725030,0irq/27-eth0-tx-27603-21telnet20:05:130
29725030,0irq/27-eth0-tx-0-21swapper/020:50:170
29715030,0irq/26-eth0-rx-0-21swapper/320:50:173
29715030,0irq/26-eth0-rx-0-21swapper/320:46:083
29715030,0irq/26-eth0-rx-0-21swapper/320:04:193
29715030,0irq/26-eth0-rx-0-21swapper/319:51:323
29715030,0irq/26-eth0-rx-0-21swapper/319:10:123
29715030,0irq/26-eth0-rx-0-21swapper/319:05:133
169930,0watchdog/110080-21diskmemload00:15:031
169930,0watchdog/10-21swapper/122:51:241
169930,0watchdog/10-21swapper/119:05:211
149930,0migration/023264-21runrttasks23:52:070
119829932,0cyclictest8252-21gltestperf19:50:162
119829932,0cyclictest22700-21ssh21:30:192
119809933,0cyclictest20655-21awk19:35:151
119809933,0cyclictest0-21swapper/119:15:021
119809932,0cyclictest3533-21awk20:35:171
119809932,0cyclictest3514-21snmpd19:29:291
119809932,0cyclictest2893-21awk21:40:161
119809932,0cyclictest1621-21awk19:45:161
119799932,0cyclictest7845-21sensors21:40:220
119799932,0cyclictest3556-21lldpd19:17:060
119799932,0cyclictest3514-21snmpd22:55:090
119799932,0cyclictest3027-21awk21:20:150
119799932,0cyclictest29312-21munin-node20:55:160
119799932,0cyclictest22374-21kthreadcore21:10:190
119799932,0cyclictest11454-21awk21:25:170
119799932,0cyclictest0-21swapper/019:43:060
119799930,0cyclictest19307-21kthreadcore00:30:210
119799930,0cyclictest0-21swapper/021:47:530
119799930,0cyclictest0-21swapper/021:05:150
119799930,0cyclictest0-21swapper/020:45:560
339920,0migration/329376-21iostat_ios20:30:173
329920,0watchdog/30-21swapper/319:35:173
29715020,0irq/26-eth0-rx-0-21swapper/320:15:123
169920,0watchdog/10-21swapper/120:20:041
119799921,0cyclictest0-21swapper/000:25:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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