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2026-02-03 - 20:13
[ 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 376 highest latencies:
System rack1slot2s.osadl.org (updated Tue Feb 03, 2026 12:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
50629390,0sleep10-21swapper/107:00:261
131523928,0sleep30-21swapper/307:02:403
135223723,0sleep00-21swapper/007:03:100
123323323,0sleep20-21swapper/207:01:432
339960,0migration/332097-21sh11:50:003
339960,0migration/331133-21sh12:08:023
339960,0migration/323644-21timerandwakeup10:20:283
339960,0migration/31927-21aten_r1power_en09:10:183
339960,0migration/316039-21sh10:36:503
339960,0migration/315501-21sh10:56:223
339960,0migration/315445-21munin-node07:35:283
29715060,0irq/26-eth0-rx-6163-21processes11:30:263
29715060,0irq/26-eth0-rx-31265-21cut09:05:233
15919960,0cyclictest0-21swapper/107:55:241
15909966,0cyclictest0-21swapper/009:55:170
149960,0migration/032596-21sh10:48:310
149960,0migration/024125-21sh11:03:160
149960,0migration/017757-21if_eth1.311:20:180
149960,0migration/014608-21sh11:35:360
149960,0migration/014476-21run-parts11:56:040
149960,0migration/011153-21kthreadcore07:10:220
8215050,0irq/24-0000:00:15826-21cat11:59:592
339950,0migration/39447-21fschecks_time11:15:183
339950,0migration/39373-21munin-node11:35:193
339950,0migration/38169-21taskset10:32:113
339950,0migration/37375-21taskset11:53:453
339950,0migration/35988-21kthreadcore07:55:213
339950,0migration/35700-21timerwakeupswit12:10:263
339950,0migration/330283-21kthreadcore09:25:223
339950,0migration/32892-21irqcore07:05:213
339950,0migration/326957-21kthreadcore07:45:233
339950,0migration/325780-21diskmemload10:25:163
339950,0migration/325019-21sshd09:21:393
339950,0migration/32487-21kthreadcore12:30:213
339950,0migration/32449-21gltestperf10:10:183
339950,0migration/324140-21munin-node08:35:233
339950,0migration/319694-21kthreadcore07:15:233
339950,0migration/319468-21kthreadcore11:40:233
339950,0migration/318906-21kthreadcore11:00:193
339950,0migration/318770-21irqcore08:10:163
339950,0migration/318457-21needreboot08:55:233
339950,0migration/318278-21taskset08:33:033
339950,0migration/317019-21runrttasks10:18:373
29725050,0irq/27-eth0-tx-24019-21ssh11:23:492
29725050,0irq/27-eth0-tx-17332-21cat10:40:052
29725050,0irq/27-eth0-tx-14592-21ntp_offset10:55:232
29725050,0irq/27-eth0-tx-0-21swapper/008:53:300
29725050,0irq/27-eth0-tx-0-21swapper/008:00:270
29715050,0irq/26-eth0-rx-7896-21ssh11:13:263
29715050,0irq/26-eth0-rx-6515-21tr07:30:223
29715050,0irq/26-eth0-rx-28717-21cut11:25:223
29715050,0irq/26-eth0-rx-27179-21kthreadcore12:25:203
29715050,0irq/26-eth0-rx-18271-21kthreadcore07:40:223
29715050,0irq/26-eth0-rx-16679-21if_eth012:20:193
29715050,0irq/26-eth0-rx-0-21swapper/311:55:213
29715050,0irq/26-eth0-rx-0-21swapper/311:22:093
29715050,0irq/26-eth0-rx-0-21swapper/311:05:553
29715050,0irq/26-eth0-rx-0-21swapper/310:51:043
29715050,0irq/26-eth0-rx-0-21swapper/310:40:163
29715050,0irq/26-eth0-rx-0-21swapper/310:05:123
29715050,0irq/26-eth0-rx-0-21swapper/309:50:213
29715050,0irq/26-eth0-rx-0-21swapper/309:35:203
29715050,0irq/26-eth0-rx-0-21swapper/309:17:043
29715050,0irq/26-eth0-rx-0-21swapper/308:20:153
27150,0ktimersoftd/20-21swapper/211:28:062
259950,0migration/29508-21sa110:15:042
259950,0migration/226626-21kthreadcore12:05:212
259950,0migration/21970-21sh09:50:102
259950,0migration/211845-21ntp_offset08:50:242
249950,0watchdog/225011-21fschecks_time11:45:182
249950,0watchdog/21719-21python07:25:272
19150,0ktimersoftd/10-21swapper/111:01:351
19150,0ktimersoftd/10-21swapper/109:32:501
179950,0migration/18145-21kthreadcore08:50:211
179950,0migration/131508-21sh11:27:101
179950,0migration/113829-21munin-node07:10:231
179950,0migration/110252-21idleruntime10:35:191
169950,0watchdog/17052-21grep10:10:231
15959955,0cyclictest26141-21diskmemload11:11:342
15959955,0cyclictest26141-21diskmemload11:02:162
15959955,0cyclictest0-21swapper/209:32:532
15959955,0cyclictest0-21swapper/209:27:122
15959955,0cyclictest0-21swapper/209:09:232
15959950,0cyclictest0-21swapper/212:20:092
15919955,0cyclictest0-21swapper/111:50:281
15919955,0cyclictest0-21swapper/111:38:001
15919955,0cyclictest0-21swapper/111:34:231
15919955,0cyclictest0-21swapper/111:24:171
15919955,0cyclictest0-21swapper/111:14:121
15919955,0cyclictest0-21swapper/110:31:471
15919954,0cyclictest30892-21ssh12:07:201
15919950,0cyclictest0-21swapper/110:18:041
15919950,0cyclictest0-21swapper/109:35:211
15919950,0cyclictest0-21swapper/109:16:451
15909955,0cyclictest0-21swapper/009:05:180
15909950,0cyclictest0-21swapper/010:50:280
149950,0migration/07199-21missed_timers10:10:230
149950,0migration/05857-21taskset12:31:270
149950,0migration/05158-21kthreadcore07:55:210
149950,0migration/04690-21kthreadcore09:30:210
149950,0migration/03659-21kthreadcore08:45:220
149950,0migration/029936-21kthreadcore09:25:220
149950,0migration/027413-21kthreadcore12:05:210
149950,0migration/02654-21latency_hist07:30:050
149950,0migration/025863-21kthreadcore07:45:220
149950,0migration/024882-21sh10:44:210
149950,0migration/023168-21ntp_kernel_pll_08:10:190
149950,0migration/020692-21kthreadcore09:20:220
149950,0migration/018182-21kthreadcore11:40:230
149950,0migration/018076-21sh09:20:020
149950,0migration/017386-21irqrtprio12:00:200
149950,0migration/016933-21idleruntime07:40:190
149950,0migration/013031-21latency_hist08:55:050
149950,0migration/011916-21kthreadcore10:55:210
8215040,0irq/24-0000:00:0-21swapper/211:15:182
339940,0migration/326407-21kthreadcore08:15:223
339940,0migration/325868-21fschecks_count08:40:183
339940,0migration/322424-21sh12:00:563
29725040,0irq/27-eth0-tx-27034-21irqrtprio10:25:212
29725040,0irq/27-eth0-tx-25397-21ssh10:45:122
29725040,0irq/27-eth0-tx-24995-21ssh11:05:092
29725040,0irq/27-eth0-tx-16624-21ssh09:35:362
29725040,0irq/27-eth0-tx-0-21swapper/212:30:312
29725040,0irq/27-eth0-tx-0-21swapper/211:50:142
29725040,0irq/27-eth0-tx-0-21swapper/211:40:062
29725040,0irq/27-eth0-tx-0-21swapper/210:50:202
29725040,0irq/27-eth0-tx-0-21swapper/210:05:452
29725040,0irq/27-eth0-tx-0-21swapper/209:40:282
29725040,0irq/27-eth0-tx-0-21swapper/209:16:152
29725040,0irq/27-eth0-tx-0-21swapper/209:10:132
29725040,0irq/27-eth0-tx-0-21swapper/008:15:160
29725040,0irq/27-eth0-tx-0-21swapper/007:52:180
29725040,0irq/27-eth0-tx-0-21swapper/007:35:280
29725040,0irq/27-eth0-tx-0-21swapper/007:15:170
29715040,0irq/26-eth0-rx-8477-21kthreadcore08:25:213
29715040,0irq/26-eth0-rx-0-21swapper/312:15:173
29715040,0irq/26-eth0-rx-0-21swapper/310:45:223
29715040,0irq/26-eth0-rx-0-21swapper/310:00:233
29715040,0irq/26-eth0-rx-0-21swapper/309:56:533
29715040,0irq/26-eth0-rx-0-21swapper/309:47:163
29715040,0irq/26-eth0-rx-0-21swapper/309:41:393
29715040,0irq/26-eth0-rx-0-21swapper/309:30:223
259940,0migration/27227-21runrttasks10:30:272
259940,0migration/2464-21kthreadcore08:20:202
259940,0migration/232728-21diskmemload11:30:052
259940,0migration/229000-21kthreadcore12:25:212
259940,0migration/227044-21fschecks_time09:45:192
259940,0migration/221989-21kthreadcore10:20:212
259940,0migration/219291-21fschecks_time08:35:182
259940,0migration/213011-21kthreadcore09:55:222
259940,0migration/212123-21kthreadcore11:35:212
259940,0migration/210930-21irqcore10:15:222
249940,0watchdog/23645-21munin-node07:30:192
249940,0watchdog/222672-21kthreadcore09:20:232
249940,0watchdog/219737-21munin-node09:00:152
249940,0watchdog/211352-21sed08:25:272
249940,0watchdog/20-21swapper/207:50:192
249940,0watchdog/20-21swapper/207:40:272
249940,0watchdog/20-21swapper/207:10:272
179940,0migration/18669-21fschecks_time11:55:171
179940,0migration/15837-21taskset12:31:241
179940,0migration/14238-21kthreadcore12:10:201
179940,0migration/132589-21fschecks_time08:45:181
179940,0migration/127962-21kthreadcore10:05:211
179940,0migration/127329-21kthreadcore10:45:211
179940,0migration/126669-21kthreadcore08:15:221
179940,0migration/126055-21fschecks_time08:40:181
179940,0migration/123986-21kthreadcore09:00:211
179940,0migration/123438-21switchtime08:10:221
179940,0migration/119181-21gltestperf09:40:171
179940,0migration/116696-21if_eth112:20:191
179940,0migration/116126-21kthreadcore08:55:211
179940,0migration/113117-21latency12:15:231
169940,0watchdog/18835-21ssh09:52:111
169940,0watchdog/129628-21kthreadcore09:45:231
169940,0watchdog/127486-21kthreadcore11:45:221
169940,0watchdog/12307-21grep07:50:231
169940,0watchdog/122673-21kthreadcore09:20:231
169940,0watchdog/115263-21ssh11:16:301
169940,0watchdog/10-21swapper/110:50:231
15959943,0cyclictest8697-21awk12:15:202
15959943,0cyclictest610-21awk12:10:182
15959943,0cyclictest439-21awk08:45:202
15959943,0cyclictest3556-21lldpd07:57:302
15959943,0cyclictest3514-21snmpd08:05:552
15959943,0cyclictest3241-21irqbalance10:35:132
15959943,0cyclictest3241-21irqbalance10:00:132
15959943,0cyclictest3241-21irqbalance07:20:242
15959943,0cyclictest3241-21irqbalance07:05:242
15959943,0cyclictest25232-21awk08:15:202
15959943,0cyclictest16982-21awk12:00:182
15959943,0cyclictest16065-21awk07:15:202
15959943,0cyclictest13934-21awk08:55:192
15919944,0cyclictest0-21swapper/111:07:441
15919944,0cyclictest0-21swapper/110:44:431
15919944,0cyclictest0-21swapper/110:25:201
15919943,0cyclictest6300-21awk08:25:191
15919943,0cyclictest3514-21snmpd11:41:571
15919943,0cyclictest3514-21snmpd09:55:101
15919943,0cyclictest3514-21snmpd09:25:251
15919943,0cyclictest3514-21snmpd09:13:251
15919943,0cyclictest3514-21snmpd08:35:101
15919943,0cyclictest3514-21snmpd08:20:251
15919943,0cyclictest3514-21snmpd08:05:401
15919943,0cyclictest3514-21snmpd07:39:101
15919943,0cyclictest3514-21snmpd07:30:401
15919943,0cyclictest3514-21snmpd07:20:101
15919943,0cyclictest3514-21snmpd07:15:101
15919943,0cyclictest3514-21snmpd07:07:401
15919943,0cyclictest29313-21awk07:25:201
15919943,0cyclictest27257-21awk09:05:201
15919943,0cyclictest19064-21awk10:00:211
15919943,0cyclictest11435-21awk08:00:191
15909944,0cyclictest0-21swapper/011:33:300
15909944,0cyclictest0-21swapper/011:17:160
15909944,0cyclictest0-21swapper/009:52:260
15909943,0cyclictest3514-21snmpd11:54:420
15909943,0cyclictest3241-21irqbalance12:21:520
15909943,0cyclictest3241-21irqbalance11:05:430
15909943,0cyclictest3241-21irqbalance10:20:130
15909943,0cyclictest3241-21irqbalance10:15:530
15909943,0cyclictest2321-21awk10:30:190
15909943,0cyclictest10308-21awk10:35:190
15909940,0cyclictest5356-21munin-node08:25:200
15909940,0cyclictest31809-21idleruntime-cro08:45:050
15909940,0cyclictest0-21swapper/009:46:460
149940,0migration/031171-21aten_r1power_po08:20:140
149940,0migration/030474-21kthreadcore10:25:230
149940,0migration/026082-21kthreadcore12:25:200
149940,0migration/024894-21fschecks_count11:45:180
149940,0migration/021459-21kthreadcore09:00:200
149940,0migration/015415-21kthreadcore09:35:200
149940,0migration/01364-21sh10:09:550
339930,0migration/317301-21runrttasks08:07:433
29725030,0irq/27-eth0-tx-0-21swapper/007:20:170
29715030,0irq/26-eth0-rx-0-21swapper/309:00:143
29715030,0irq/26-eth0-rx-0-21swapper/308:50:193
29715030,0irq/26-eth0-rx-0-21swapper/308:45:483
29715030,0irq/26-eth0-rx-0-21swapper/307:51:233
259930,0migration/219969-21kthreadcore08:10:172
169930,0watchdog/131104-21ssh12:29:021
169930,0watchdog/10-21swapper/112:01:021
169930,0watchdog/10-21swapper/110:55:111
169930,0watchdog/10-21swapper/110:20:351
15959932,0cyclictest26236-21awk08:40:192
15959932,0cyclictest23672-21awk07:45:202
15959932,0cyclictest13057-21irqcore08:30:212
15959932,0cyclictest11308-21awk08:00:182
15919933,0cyclictest0-21swapper/108:30:051
15919932,0cyclictest28448-21sensors07:45:271
15919932,0cyclictest16950-21awk07:40:191
15909933,0cyclictest3537-21kworker/0:112:15:150
15909933,0cyclictest3537-21kworker/0:112:10:050
15909933,0cyclictest3537-21kworker/0:111:25:080
15909933,0cyclictest3537-21kworker/0:111:10:120
15909933,0cyclictest3537-21kworker/0:110:00:080
15909933,0cyclictest3537-21kworker/0:109:40:080
15909933,0cyclictest3537-21kworker/0:109:10:100
15909933,0cyclictest3537-21kworker/0:108:35:120
15909933,0cyclictest3537-21kworker/0:108:30:080
15909933,0cyclictest3537-21kworker/0:108:05:060
15909933,0cyclictest30888-21kworker/0:207:25:130
15909933,0cyclictest30888-21kworker/0:207:05:070
29715020,0irq/26-eth0-rx-0-21swapper/308:00:403
29715020,0irq/26-eth0-rx-0-21swapper/307:25:203
29715020,0irq/26-eth0-rx-0-21swapper/307:20:433
29715020,0irq/26-eth0-rx-0-21swapper/307:11:023
15959921,0cyclictest9479-21basename07:35:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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