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2026-02-03 - 08:15
[ 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 Tue Feb 03, 2026 00:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304450570,0irq/25-eth10-21swapper/319:02:393
97623625,0sleep00-21swapper/019:04:340
97323324,0sleep20-21swapper/219:04:322
68423224,0sleep10-21swapper/119:01:431
29725070,0irq/27-eth0-tx-0-21swapper/222:54:422
339960,0migration/36658-21sh21:48:063
339960,0migration/35193-21sh22:45:553
339960,0migration/320125-21sh00:15:323
339960,0migration/315078-21sh22:14:553
339960,0migration/314468-21sh22:54:213
339960,0migration/313536-21sh23:33:163
29715060,0irq/26-eth0-rx-23109-21aten_r1power_po23:00:163
149960,0migration/04314-21sh00:06:070
149960,0migration/030460-21sh23:25:070
149960,0migration/030428-21sh22:43:280
149960,0migration/030136-21sh22:01:280
149960,0migration/021743-21sh22:57:190
149960,0migration/021279-21missed_timers21:35:250
149960,0migration/014105-21sh22:32:390
149960,0migration/013640-21sh00:14:560
10959965,0cyclictest23746-21irqcore23:20:242
10959960,0cyclictest31637-21diskmemload22:03:462
10959960,0cyclictest14065-21kthreadcore19:35:252
8215050,0irq/24-0000:00:16345-21crond20:05:072
339950,0migration/39866-21latency_hist20:00:083
339950,0migration/39451-21kthreadcore23:50:233
339950,0migration/38877-21kthreadcore23:10:243
339950,0migration/38837-21if_eth1.221:30:243
339950,0migration/37467-21diskmemload21:10:133
339950,0migration/36040-21idleruntime20:45:223
339950,0migration/36005-21aten_r1power_cu00:10:183
339950,0migration/331656-21kthreadcore19:50:263
339950,0migration/330791-21munin-node00:25:203
339950,0migration/33065-21kthreadcore21:25:253
339950,0migration/325263-21munin-node20:35:253
339950,0migration/324039-21aten_r1power_vo21:40:203
339950,0migration/323205-21if_eth119:45:223
339950,0migration/322819-21aten_r1power_fr23:20:193
339950,0migration/315965-21cpuspeed_turbos19:40:203
339950,0migration/315717-21fschecks_count22:35:213
339950,0migration/313323-21kthreadcore20:25:253
29725050,0irq/27-eth0-tx-30884-21munin-node20:40:340
29725050,0irq/27-eth0-tx-29072-21ssh22:40:302
29725050,0irq/27-eth0-tx-13637-21swap21:30:312
29725050,0irq/27-eth0-tx-0-21swapper/223:56:152
29725050,0irq/27-eth0-tx-0-21swapper/223:05:522
29725050,0irq/27-eth0-tx-0-21swapper/222:48:132
29725050,0irq/27-eth0-tx-0-21swapper/222:10:442
29725050,0irq/27-eth0-tx-0-21swapper/222:09:462
29725050,0irq/27-eth0-tx-0-21swapper/221:53:402
29725050,0irq/27-eth0-tx-0-21swapper/221:41:032
29725050,0irq/27-eth0-tx-0-21swapper/221:10:572
29725050,0irq/27-eth0-tx-0-21swapper/200:11:532
29725050,0irq/27-eth0-tx-0-21swapper/021:00:220
29725050,0irq/27-eth0-tx-0-21swapper/020:49:420
29725050,0irq/27-eth0-tx-0-21swapper/020:38:520
29725050,0irq/27-eth0-tx-0-21swapper/020:15:090
29725050,0irq/27-eth0-tx-0-21swapper/019:35:030
29715050,0irq/26-eth0-rx-5825-21ssh21:06:133
29715050,0irq/26-eth0-rx-5796-21ssh22:06:193
29715050,0irq/26-eth0-rx-30896-21iostat_ios20:15:253
29715050,0irq/26-eth0-rx-26848-21kthreadcore23:40:263
29715050,0irq/26-eth0-rx-24379-21kthreadcore00:20:263
29715050,0irq/26-eth0-rx-22596-21ssh21:17:253
29715050,0irq/26-eth0-rx-0-21swapper/323:46:533
29715050,0irq/26-eth0-rx-0-21swapper/323:05:143
29715050,0irq/26-eth0-rx-0-21swapper/322:56:593
29715050,0irq/26-eth0-rx-0-21swapper/322:33:303
29715050,0irq/26-eth0-rx-0-21swapper/322:20:253
29715050,0irq/26-eth0-rx-0-21swapper/322:19:043
29715050,0irq/26-eth0-rx-0-21swapper/322:00:263
29715050,0irq/26-eth0-rx-0-21swapper/321:55:243
29715050,0irq/26-eth0-rx-0-21swapper/321:51:133
29715050,0irq/26-eth0-rx-0-21swapper/321:20:323
29715050,0irq/26-eth0-rx-0-21swapper/320:20:263
27150,0ktimersoftd/20-21swapper/221:22:092
259950,0migration/27265-21timerwakeupswit19:05:312
259950,0migration/25318-21taskset22:25:382
249950,0watchdog/231439-21perl23:25:212
249950,0watchdog/216975-21kthreadcore20:50:262
19150,0ktimersoftd/10-21swapper/123:30:531
169950,0watchdog/15968-21tr00:30:211
149950,0migration/0876-21kthreadcore23:45:240
149950,0migration/04908-21kthreadcore19:05:260
149950,0migration/04178-21kthreadcore22:25:250
149950,0migration/04048-21kthreadcore22:45:250
149950,0migration/032689-21fschecks_time21:25:210
149950,0migration/031485-21kthreadcore19:50:250
149950,0migration/02453-21kthreadcore00:25:240
149950,0migration/023187-21sh21:19:020
149950,0migration/019975-21kthreadcore20:05:250
149950,0migration/018164-21fschecks_time20:30:210
149950,0migration/017285-21kthreadcore19:15:260
149950,0migration/016328-21kthreadcore23:35:230
149950,0migration/015248-21taskset19:38:130
149950,0migration/014637-21taskset21:53:040
149950,0migration/013771-21kthreadcore20:25:250
149950,0migration/011555-21kthreadcore19:10:260
149950,0migration/011127-21kthreadcore21:10:250
10959955,0cyclictest0-21swapper/222:20:102
10959955,0cyclictest0-21swapper/200:16:312
10959950,0cyclictest0-21swapper/223:46:062
10959950,0cyclictest0-21swapper/220:25:242
10949955,0cyclictest0-21swapper/123:51:521
10949955,0cyclictest0-21swapper/123:07:051
10949955,0cyclictest0-21swapper/122:44:321
10949955,0cyclictest0-21swapper/122:10:201
10949955,0cyclictest0-21swapper/100:05:531
10949950,0cyclictest0-21swapper/122:24:221
10949950,0cyclictest0-21swapper/122:19:191
10949950,0cyclictest0-21swapper/121:32:291
10949950,0cyclictest0-21swapper/121:05:511
10939954,0cyclictest8620-21cut22:10:230
10939954,0cyclictest0-21swapper/023:05:070
8215040,0irq/24-0000:00:29861-21cat20:15:082
339940,0migration/38563-21taskset19:32:483
339940,0migration/37868-21kthreadcore00:30:263
339940,0migration/33036-21kthreadcore19:05:263
339940,0migration/326827-21pmu-power19:20:293
339940,0migration/324369-21irqcore20:10:253
339940,0migration/321342-21needreboot21:35:253
339940,0migration/316920-21kthreadcore19:15:253
339940,0migration/313527-21kthreadcore20:50:253
29725040,0irq/27-eth0-tx-22304-21aten2.4-expect19:45:180
29725040,0irq/27-eth0-tx-15573-21ssh23:15:222
29725040,0irq/27-eth0-tx-11914-21telnet20:50:190
29725040,0irq/27-eth0-tx-0-21swapper/223:50:302
29725040,0irq/27-eth0-tx-0-21swapper/223:10:472
29725040,0irq/27-eth0-tx-0-21swapper/221:55:152
29725040,0irq/27-eth0-tx-0-21swapper/221:15:542
29725040,0irq/27-eth0-tx-0-21swapper/200:00:132
29725040,0irq/27-eth0-tx-0-21swapper/021:05:130
29725040,0irq/27-eth0-tx-0-21swapper/020:22:220
29725040,0irq/27-eth0-tx-0-21swapper/019:20:200
29715040,0irq/26-eth0-rx-0-21swapper/323:55:093
29715040,0irq/26-eth0-rx-0-21swapper/323:35:113
29715040,0irq/26-eth0-rx-0-21swapper/323:25:243
29715040,0irq/26-eth0-rx-0-21swapper/323:15:253
29715040,0irq/26-eth0-rx-0-21swapper/322:40:203
29715040,0irq/26-eth0-rx-0-21swapper/322:25:223
29715040,0irq/26-eth0-rx-0-21swapper/321:00:283
29715040,0irq/26-eth0-rx-0-21swapper/300:06:443
29715040,0irq/26-eth0-rx-0-21swapper/300:00:283
259940,0migration/26518-21aten_r1power_po23:30:182
259940,0migration/25474-21cpuspeed_turbos20:45:192
259940,0migration/231001-21timerandwakeup21:00:302
259940,0migration/23066-21idleruntime19:30:212
259940,0migration/230050-21kthreadcore19:25:252
259940,0migration/227935-21kthreadcore20:10:272
259940,0migration/216923-21kthreadcore22:55:252
259940,0migration/216768-21kthreadcore19:15:252
259940,0migration/215962-21fschecks_count22:15:212
259940,0migration/212216-21kthreadcore19:10:262
249940,0watchdog/232294-21df_abs21:45:182
249940,0watchdog/231863-21cut00:05:252
249940,0watchdog/229593-21fschecks_time19:50:222
249940,0watchdog/223274-21smartctl20:30:302
249940,0watchdog/220968-21ssh23:36:372
249940,0watchdog/20-21swapper/223:40:212
249940,0watchdog/20-21swapper/223:00:172
249940,0watchdog/20-21swapper/219:45:182
249940,0watchdog/20-21swapper/200:25:292
179940,0migration/132409-21kthreadcore19:25:251
179940,0migration/127597-21kthreadcore20:35:271
179940,0migration/125336-21kthreadcore21:20:261
179940,0migration/123321-21fschecks_time23:20:211
179940,0migration/122346-21taskset21:16:481
179940,0migration/11932-21kthreadcore21:45:221
179940,0migration/112908-21timerandwakeup22:50:301
179940,0migration/110331-21kthreadcore22:30:241
169940,0watchdog/18824-21munin-node19:10:221
169940,0watchdog/16559-21runrttasks23:57:251
169940,0watchdog/13630-21grep00:25:291
169940,0watchdog/121297-21python19:40:301
169940,0watchdog/119669-21kthreadcore22:35:251
169940,0watchdog/118558-21grep22:55:251
169940,0watchdog/112944-21missed_timers21:10:261
169940,0watchdog/110778-21kthreadcore21:50:261
169940,0watchdog/110550-21fschecks_time20:00:221
169940,0watchdog/10-21swapper/123:00:171
169940,0watchdog/10-21swapper/120:50:261
169940,0watchdog/10-21swapper/120:40:261
169940,0watchdog/10-21swapper/120:15:261
169940,0watchdog/10-21swapper/120:10:261
169940,0watchdog/10-21swapper/100:10:251
149940,0migration/09311-21kthreadcore00:30:260
149940,0migration/06679-21cpuspeed_turbos23:30:190
149940,0migration/05975-21sh22:06:490
10959944,0cyclictest0-21swapper/222:30:162
10959943,0cyclictest6650-21awk00:30:242
10959943,0cyclictest5206-21awk20:20:252
10959943,0cyclictest436-21awk21:25:222
10959943,0cyclictest3556-21lldpd20:41:522
10959943,0cyclictest3556-21lldpd19:40:212
10959943,0cyclictest3514-21snmpd20:57:052
10959943,0cyclictest3514-21snmpd20:36:052
10959943,0cyclictest32745-21awk21:05:222
10959943,0cyclictest3241-21irqbalance21:35:162
10959943,0cyclictest22180-21awk19:20:232
10959943,0cyclictest17433-21awk20:05:232
10959943,0cyclictest0-21swapper/222:35:182
10959940,0cyclictest21996-21munin-node00:20:212
10949943,0cyclictest6085-21awk20:45:221
10949943,0cyclictest3556-21lldpd23:35:241
10949943,0cyclictest3514-21snmpd19:31:351
10949943,0cyclictest32589-21awk22:05:211
10949943,0cyclictest32487-21awk22:25:221
10949943,0cyclictest3241-21irqbalance21:29:261
10949943,0cyclictest3241-21irqbalance20:55:161
10949943,0cyclictest3241-21irqbalance20:30:261
10949943,0cyclictest3241-21irqbalance20:25:161
10949943,0cyclictest3241-21irqbalance20:20:361
10949943,0cyclictest3241-21irqbalance19:56:361
10949943,0cyclictest3241-21irqbalance19:50:161
10949943,0cyclictest3241-21irqbalance19:45:161
10949943,0cyclictest3241-21irqbalance19:38:161
10949943,0cyclictest3241-21irqbalance19:20:161
10949943,0cyclictest3241-21irqbalance19:15:161
10949943,0cyclictest3241-21irqbalance00:15:251
10949943,0cyclictest32247-21awk22:45:221
10949943,0cyclictest31617-21awk23:25:231
10949943,0cyclictest26084-21awk21:00:221
10949943,0cyclictest24609-21awk22:00:231
10949943,0cyclictest23228-21awk00:00:211
10949943,0cyclictest22864-21awk00:20:241
10949943,0cyclictest2220-21awk19:05:241
10949943,0cyclictest17448-21awk20:05:231
10949943,0cyclictest16708-21awk21:35:211
10939944,0cyclictest0-21swapper/023:13:560
10939944,0cyclictest0-21swapper/022:16:240
10939943,0cyclictest4204-21awk19:55:230
10939943,0cyclictest3556-21lldpd23:44:540
10939943,0cyclictest3514-21snmpd23:18:060
10939943,0cyclictest3241-21irqbalance21:23:160
10939943,0cyclictest31208-21sadc22:25:070
10939943,0cyclictest16497-21awk21:55:220
10939943,0cyclictest16232-21awk22:35:230
10939943,0cyclictest10834-21awk20:00:240
10939942,0cyclictest10291-21kworker/0:221:33:390
10939940,0cyclictest0-21swapper/021:46:080
339930,0migration/331193-21kthreadcore19:25:253
29715030,0irq/26-eth0-rx-0-21swapper/320:55:183
29715030,0irq/26-eth0-rx-0-21swapper/320:40:233
29715030,0irq/26-eth0-rx-0-21swapper/320:30:203
29715030,0irq/26-eth0-rx-0-21swapper/319:35:293
169930,0watchdog/10-21swapper/123:40:171
169930,0watchdog/10-21swapper/123:15:091
169930,0watchdog/10-21swapper/121:55:301
10959932,0cyclictest3556-21lldpd19:58:522
10949933,0cyclictest0-21swapper/123:45:141
10949932,0cyclictest9466-21cut23:10:241
10949932,0cyclictest24440-21cut21:40:211
10939933,0cyclictest21282-21kworker/0:123:55:080
10939933,0cyclictest21282-21kworker/0:123:25:120
10939933,0cyclictest21282-21kworker/0:100:20:100
10939933,0cyclictest21282-21kworker/0:100:15:280
10939933,0cyclictest21282-21kworker/0:100:00:080
10939933,0cyclictest10291-21kworker/0:223:05:130
10939933,0cyclictest10291-21kworker/0:222:50:110
10939933,0cyclictest10291-21kworker/0:221:40:130
10939933,0cyclictest10291-21kworker/0:220:10:130
10939933,0cyclictest10291-21kworker/0:219:40:110
10939933,0cyclictest10291-21kworker/0:219:25:150
10939930,0cyclictest0-21swapper/023:50:110
10939930,0cyclictest0-21swapper/020:55:220
29715020,0irq/26-eth0-rx-0-21swapper/320:05:083
29715020,0irq/26-eth0-rx-0-21swapper/319:55:203
29715020,0irq/26-eth0-rx-0-21swapper/319:11:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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