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2026-02-25 - 20:39
[ 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 25, 2026 12:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304450350,0irq/25-eth10-21swapper/306:58:493
2496523524,0sleep00-21swapper/007:01:250
2496223425,0sleep20-21swapper/207:01:232
2473523324,0sleep10-21swapper/106:58:451
251719990,0cyclictest0-21swapper/209:03:212
251719976,0cyclictest0-21swapper/211:38:182
251699976,0cyclictest3305-21awk12:33:000
8215060,0irq/24-0000:00:30821-21munin-run10:08:002
339960,0migration/328610-21sh11:05:363
339960,0migration/321384-21gltestperf07:48:143
339960,0migration/313015-21sh10:13:473
29715060,0irq/26-eth0-rx-29338-21ssh10:46:243
29715060,0irq/26-eth0-rx-23421-21hwlatdetect10:23:133
29715060,0irq/26-eth0-rx-12868-21diskstats11:58:113
29715060,0irq/26-eth0-rx-10693-21latency11:13:173
259960,0migration/228886-21sh10:23:382
149960,0migration/05186-21gltestperf11:53:130
149960,0migration/031505-21sh09:27:300
149960,0migration/031220-21sh09:47:330
149960,0migration/028686-21sh11:05:500
149960,0migration/026603-21sh12:24:480
149960,0migration/023286-21sh09:42:460
149960,0migration/019673-21kthreadcore10:18:180
8215050,0irq/24-0000:00:29049-21munin-run08:43:002
4150,0ktimersoftd/00-21swapper/011:16:010
339950,0migration/3942-21latency12:28:203
339950,0migration/38560-21kthreadcore10:33:153
339950,0migration/36735-21sh09:52:103
339950,0migration/3608-21kthreadcore12:08:163
339950,0migration/330673-21munin-node10:28:103
339950,0migration/330629-21runrttasks09:06:163
339950,0migration/327962-21taskset11:46:073
339950,0migration/327415-21kthreadcore08:38:183
339950,0migration/322185-21sh11:23:153
339950,0migration/320990-21switchtime09:58:223
339950,0migration/320523-21taskset11:00:093
339950,0migration/318687-21taskset12:19:513
339950,0migration/316878-21if_eth008:33:143
339950,0migration/315973-21kthreadcore10:38:173
339950,0migration/315514-21fschecks_count08:08:143
339950,0migration/31478-21kthreadcore09:08:193
339950,0migration/312708-21kthreadcore08:53:183
339950,0migration/311759-21kthreadcore08:28:173
29725050,0irq/27-eth0-tx-29689-21munin-node11:08:142
29725050,0irq/27-eth0-tx-29685-21idleruntime11:48:132
29725050,0irq/27-eth0-tx-28310-21munin-node08:18:220
29725050,0irq/27-eth0-tx-26381-21munin-node07:28:220
29725050,0irq/27-eth0-tx-23388-21diskmemload10:29:012
29725050,0irq/27-eth0-tx-21275-21if_err_eth112:03:132
29725050,0irq/27-eth0-tx-19529-21ssh11:18:352
29725050,0irq/27-eth0-tx-13213-21ssh10:57:082
29725050,0irq/27-eth0-tx-0-21swapper/211:55:112
29725050,0irq/27-eth0-tx-0-21swapper/211:29:542
29725050,0irq/27-eth0-tx-0-21swapper/210:20:422
29725050,0irq/27-eth0-tx-0-21swapper/209:41:442
29725050,0irq/27-eth0-tx-0-21swapper/008:31:110
29715050,0irq/26-eth0-rx-781-21cpu07:33:133
29715050,0irq/26-eth0-rx-525-21interrupts09:28:163
29715050,0irq/26-eth0-rx-26928-21kthreadcore09:23:163
29715050,0irq/26-eth0-rx-2617-21irqcore07:58:173
29715050,0irq/26-eth0-rx-25763-21sensors12:23:203
29715050,0irq/26-eth0-rx-20372-21perl07:23:143
29715050,0irq/26-eth0-rx-16571-21if_err_eth1.209:18:163
29715050,0irq/26-eth0-rx-10059-21ssh12:13:243
29715050,0irq/26-eth0-rx-10059-21ssh12:13:243
29715050,0irq/26-eth0-rx-0-21swapper/311:50:463
29715050,0irq/26-eth0-rx-0-21swapper/311:28:163
29715050,0irq/26-eth0-rx-0-21swapper/311:18:103
29715050,0irq/26-eth0-rx-0-21swapper/310:49:123
29715050,0irq/26-eth0-rx-0-21swapper/310:19:113
29715050,0irq/26-eth0-rx-0-21swapper/309:53:233
29715050,0irq/26-eth0-rx-0-21swapper/309:43:103
251719955,0cyclictest0-21swapper/212:27:482
251719950,0cyclictest0-21swapper/211:05:402
251709950,0cyclictest0-21swapper/111:55:171
251709950,0cyclictest0-21swapper/109:14:381
251699955,0cyclictest23388-21diskmemload09:09:340
251699954,0cyclictest8884-21cut09:33:160
259950,0migration/28590-21kthreadcore11:13:162
259950,0migration/27620-21aten_r1power_vo09:13:122
259950,0migration/26879-21sh09:31:262
259950,0migration/2570-21munin-node07:33:122
259950,0migration/230526-21sh09:45:282
259950,0migration/221695-21idleruntime11:43:142
259950,0migration/218068-21kthreadcore09:58:162
259950,0migration/217602-21ntp_offset12:18:182
259950,0migration/217332-21kthreadcore11:58:162
259950,0migration/214677-21munin-node10:58:152
249950,0watchdog/228993-21iostat_ios12:28:182
179950,0migration/123728-21kthreadcore07:48:171
179950,0migration/122029-21taskset08:33:491
179950,0migration/115746-21sh08:33:001
179950,0migration/11415-21munin-node08:18:211
179950,0migration/111723-21missed_timers10:33:171
169950,0watchdog/123944-21diskmemload09:23:111
149950,0migration/09773-21kthreadcore07:38:190
149950,0migration/06937-21irqcore10:53:170
149950,0migration/06916-21aten_r1power_vo10:13:120
149950,0migration/0685-21kthreadcore09:48:170
149950,0migration/04146-21kthreadcore07:58:180
149950,0migration/03782-21runrttasks11:09:220
149950,0migration/031677-21taskset07:06:220
149950,0migration/030141-21sh10:48:080
149950,0migration/029749-21sh10:26:140
149950,0migration/026132-21kthreadcore08:13:180
149950,0migration/024129-21munin-node10:03:140
149950,0migration/023924-21kernelversion08:38:170
149950,0migration/022750-21kthreadcore12:03:160
149950,0migration/02205-21kthreadcore07:33:180
149950,0migration/019734-21timerwakeupswit10:58:230
149950,0migration/019463-21ntp_kernel_pll_07:43:190
149950,0migration/019023-21kthreadcore09:58:160
149950,0migration/018511-21kthreadcore08:58:160
149950,0migration/018164-21kthreadcore11:38:180
149950,0migration/018085-21kthreadcore08:08:180
149950,0migration/017795-21latency11:58:160
149950,0migration/017456-21missed_timers12:18:170
149950,0migration/01672-21kthreadcore08:43:170
149950,0migration/015965-21kthreadcore07:18:170
149950,0migration/01369-21kthreadcore10:28:160
149950,0migration/011142-21kthreadcore09:13:180
149950,0migration/010538-21ksmtuned12:14:190
149950,0migration/010538-21ksmtuned12:14:190
149950,0migration/010463-21kthreadcore09:53:170
339940,0migration/39726-21kthreadcore09:13:183
339940,0migration/328422-21irqcore07:53:173
339940,0migration/32601-21kthreadcore07:08:183
339940,0migration/324746-21kthreadcore10:03:153
339940,0migration/317691-21kthreadcore07:18:183
339940,0migration/31097-21kthreadcore10:08:173
339940,0migration/310355-21kthreadcore07:38:193
29725040,0irq/27-eth0-tx-6742-21ssh10:13:102
29725040,0irq/27-eth0-tx-29113-21ssh12:08:122
29725040,0irq/27-eth0-tx-15686-21munin-node09:18:142
29725040,0irq/27-eth0-tx-14217-21ssh10:38:082
29725040,0irq/27-eth0-tx-13768-21ssh09:54:112
29725040,0irq/27-eth0-tx-0-21swapper/211:33:082
29725040,0irq/27-eth0-tx-0-21swapper/211:23:022
29725040,0irq/27-eth0-tx-0-21swapper/210:43:112
29725040,0irq/27-eth0-tx-0-21swapper/210:33:082
29725040,0irq/27-eth0-tx-0-21swapper/210:08:132
29725040,0irq/27-eth0-tx-0-21swapper/209:48:192
29725040,0irq/27-eth0-tx-0-21swapper/008:53:130
29715040,0irq/26-eth0-rx-29485-21munin-node08:43:113
29715040,0irq/26-eth0-rx-0-21swapper/312:03:423
29715040,0irq/26-eth0-rx-0-21swapper/311:53:133
29715040,0irq/26-eth0-rx-0-21swapper/311:38:023
29715040,0irq/26-eth0-rx-0-21swapper/311:33:143
29715040,0irq/26-eth0-rx-0-21swapper/311:08:133
29715040,0irq/26-eth0-rx-0-21swapper/310:53:413
29715040,0irq/26-eth0-rx-0-21swapper/309:38:033
29715040,0irq/26-eth0-rx-0-21swapper/309:33:183
29715040,0irq/26-eth0-rx-0-21swapper/308:23:123
251719943,0cyclictest545-21awk07:08:172
251719943,0cyclictest5032-21awk12:13:162
251719943,0cyclictest5032-21awk12:13:162
251719943,0cyclictest3556-21lldpd07:48:022
251719943,0cyclictest3514-21snmpd08:55:352
251719943,0cyclictest20512-21awk07:23:152
251719943,0cyclictest14892-21awk07:43:152
251719943,0cyclictest10161-21awk08:28:152
251719940,0cyclictest0-21swapper/207:03:152
251709943,0cyclictest8209-21awk07:38:171
251709943,0cyclictest8173-21awk09:53:151
251709943,0cyclictest5057-21awk12:13:171
251709943,0cyclictest5057-21awk12:13:171
251709943,0cyclictest3514-21snmpd12:10:211
251709943,0cyclictest3514-21snmpd12:06:211
251709943,0cyclictest3514-21snmpd11:59:211
251709943,0cyclictest3514-21snmpd08:52:351
251709943,0cyclictest32596-21grep07:08:151
251709943,0cyclictest3241-21irqbalance09:04:591
251709943,0cyclictest30264-21awk11:28:141
251709943,0cyclictest23177-21awk10:43:151
251709943,0cyclictest21722-21awk11:43:141
251709943,0cyclictest21687-21basename08:13:121
251709943,0cyclictest20853-21awk12:23:131
251709943,0cyclictest14291-21awk11:18:141
251699944,0cyclictest0-21swapper/011:20:350
251699943,0cyclictest7298-21awk07:13:160
251699943,0cyclictest7157-21awk10:33:130
251699943,0cyclictest4501-21awk08:48:160
251699943,0cyclictest3514-21snmpd07:55:200
251699943,0cyclictest3241-21irqbalance09:30:490
251699943,0cyclictest3241-21irqbalance09:03:390
251699943,0cyclictest30173-21awk11:28:140
251699943,0cyclictest22252-21awk11:23:150
251699943,0cyclictest16827-21awk08:33:140
259940,0migration/29485-21unixbench-2d08:48:242
259940,0migration/28989-21kernelversion09:33:172
259940,0migration/27053-21missed_timers07:58:192
259940,0migration/229497-21cpuspeed_turbos08:43:112
259940,0migration/229343-21kthreadcore07:28:172
259940,0migration/226069-21sh09:23:152
259940,0migration/220009-21kthreadcore08:58:172
259940,0migration/212958-21latency_hist07:18:002
259940,0migration/21072-21kthreadcore10:48:182
249940,0watchdog/28777-21kthreadcore07:38:192
249940,0watchdog/231896-21cpuspeed_turbos09:08:152
179940,0migration/19308-21kthreadcore11:33:181
179940,0migration/130924-21kthreadcore07:53:181
179940,0migration/129837-21if_eth1.211:48:141
179940,0migration/128476-21timerwakeupswit08:38:231
179940,0migration/126372-21kthreadcore10:03:151
179940,0migration/124865-21kthreadcore11:23:171
179940,0migration/124506-21kthreadcore07:23:181
179940,0migration/123648-21interrupts10:23:141
179940,0migration/118578-21kthreadcore10:18:181
179940,0migration/11753-21kthreadcore08:43:171
179940,0migration/116925-21kthreadcore09:58:161
179940,0migration/11574-21munin-node12:28:251
179940,0migration/113098-21mdstat09:33:181
179940,0migration/112989-21latency_hist07:18:001
179940,0migration/111094-21kthreadcore10:13:181
179940,0migration/111075-21kthreadcore07:13:181
179940,0migration/110399-21kthreadcore08:03:161
169940,0watchdog/1871-21kthreadcore10:48:181
169940,0watchdog/18593-21kthreadcore10:53:181
169940,0watchdog/163152sleep109:50:581
169940,0watchdog/16119-21ssh10:12:021
169940,0watchdog/13661-21ssh11:09:021
169940,0watchdog/127264-21if_eth007:28:151
169940,0watchdog/121231-21sh10:41:021
169940,0watchdog/120067-21runrttasks11:41:261
169940,0watchdog/119122-21kthreadcore09:18:191
169940,0watchdog/117835-21if_err_eth1.208:58:151
169940,0watchdog/10-21swapper/112:18:141
169940,0watchdog/10-21swapper/109:28:181
169940,0watchdog/10-21swapper/109:08:151
149940,0migration/028822-21runrttasks10:44:510
149940,0migration/020903-21kthreadcore09:18:190
149940,0migration/016124-21kthreadcore10:38:170
29715030,0irq/26-eth0-rx-0-21swapper/309:00:443
29715030,0irq/26-eth0-rx-0-21swapper/308:48:123
29715030,0irq/26-eth0-rx-0-21swapper/308:13:513
29715030,0irq/26-eth0-rx-0-21swapper/308:07:583
29715030,0irq/26-eth0-rx-0-21swapper/307:28:113
29715030,0irq/26-eth0-rx-0-21swapper/307:13:433
29715030,0irq/26-eth0-rx-0-21swapper/307:03:113
251719933,0cyclictest15833-21awk08:08:152
251719932,0cyclictest3556-21lldpd08:18:032
251719932,0cyclictest3556-21lldpd07:56:022
251719930,0cyclictest0-21swapper/208:13:172
251709933,0cyclictest11193-21awk08:53:161
251709932,0cyclictest6264-21awk11:13:141
251709932,0cyclictest3462-21awk08:23:131
251709932,0cyclictest16143-21tune2fs09:38:141
251709930,0cyclictest5976-21munin-node07:33:191
251709930,0cyclictest17865-21kthreadcore10:58:181
251709930,0cyclictest17561-21kthreadcore08:08:171
251709930,0cyclictest16353-21kthreadcore07:43:171
251699933,0cyclictest29895-21kworker/0:211:33:010
251699933,0cyclictest29895-21kworker/0:210:08:020
251699933,0cyclictest29895-21kworker/0:208:23:100
251699933,0cyclictest29895-21kworker/0:208:03:020
251699933,0cyclictest29895-21kworker/0:207:48:100
251699933,0cyclictest29895-21kworker/0:207:23:040
251699933,0cyclictest20563-21kworker/0:111:48:010
251699932,0cyclictest3556-21lldpd12:08:040
251699932,0cyclictest32132-21aten_r1power_fr07:08:130
249930,0watchdog/20-21swapper/208:23:192
249930,0watchdog/20-21swapper/208:03:112
249930,0watchdog/20-21swapper/207:13:192
179930,0migration/128738-21kthreadcore07:03:181
169930,0watchdog/123388-21diskmemload09:43:101
169930,0watchdog/10-21swapper/111:05:421
169930,0watchdog/10-21swapper/110:28:141
169930,0watchdog/10-21swapper/108:02:151
149930,0migration/020819-21sh11:43:000
29715020,0irq/26-eth0-rx-0-21swapper/308:18:203
29715020,0irq/26-eth0-rx-0-21swapper/307:43:123
251719920,0cyclictest0-21swapper/208:33:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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