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2026-01-23 - 02:47
[ 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 Fri Jan 23, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
997023625,0sleep00-21swapper/019:03:320
1001023627,0sleep30-21swapper/319:04:033
988923329,0sleep20-21swapper/219:02:382
944423323,0sleep10-21swapper/119:01:331
149970,0migration/013452-21missed_timers22:26:280
339960,0migration/36997-21sh22:02:563
339960,0migration/36951-21sh22:44:503
339960,0migration/322816-21sh22:33:343
339960,0migration/316067-21sh21:50:233
339960,0migration/315797-21sh21:09:423
339960,0migration/313127-21sh23:46:583
339960,0migration/310730-21kthreadcore19:51:283
29715060,0irq/26-eth0-rx-24150-21cpu22:36:193
29715060,0irq/26-eth0-rx-16002-21pmu-power19:06:293
27160,0ktimersoftd/20-21swapper/221:19:432
259960,0migration/212083-21sendmail_mailqu00:26:342
149960,0migration/030051-21sendmail_mailqu22:16:300
149960,0migration/015279-21sh21:48:070
102649960,0cyclictest0-21swapper/222:37:562
102649960,0cyclictest0-21swapper/220:26:272
102639966,0cyclictest0-21swapper/119:41:211
102639960,0cyclictest8426-21diskmemload00:05:541
102639960,0cyclictest0-21swapper/122:57:571
102639960,0cyclictest0-21swapper/122:46:261
102639960,0cyclictest0-21swapper/121:47:001
102629966,0cyclictest0-21swapper/021:19:360
8215050,0irq/24-0000:00:14087-21munin-run20:46:092
339950,0migration/39443-21kthreadcore00:06:253
339950,0migration/39008-21munin-node21:26:223
339950,0migration/35081-21taskset19:46:383
339950,0migration/34446-21kthreadcore21:41:273
339950,0migration/331593-21fschecks_count23:41:213
339950,0migration/329588-21taskset23:58:313
339950,0migration/329281-21kthreadcore20:06:303
339950,0migration/329216-21kthreadcore20:31:283
339950,0migration/32534-21kthreadcore21:21:293
339950,0migration/325095-21fschecks_count21:56:243
339950,0migration/324756-21munin-node19:16:263
339950,0migration/324138-21taskset19:36:453
339950,0migration/320807-21hwlatdetect20:26:243
339950,0migration/317839-21kthreadcore23:51:263
339950,0migration/317608-21if_eth1.321:11:263
339950,0migration/317555-21kthreadcore20:46:253
339950,0migration/316581-21kthreadcore23:31:253
339950,0migration/316083-21kthreadcore20:21:273
339950,0migration/314106-21latency_hist20:46:093
339950,0migration/313745-21taskset00:30:193
339950,0migration/313031-21fschecks_time19:56:243
29725050,0irq/27-eth0-tx-26681-21munin-node20:31:340
29725050,0irq/27-eth0-tx-24650-21munin-node21:56:242
29725050,0irq/27-eth0-tx-23139-21munin-node23:36:272
29725050,0irq/27-eth0-tx-20029-21munin-node20:26:300
29725050,0irq/27-eth0-tx-14569-21ssh22:06:452
29725050,0irq/27-eth0-tx-13378-21munin-node20:21:290
29725050,0irq/27-eth0-tx-0-21swapper/221:40:592
29725050,0irq/27-eth0-tx-0-21swapper/200:33:372
29725050,0irq/27-eth0-tx-0-21swapper/021:07:440
29725050,0irq/27-eth0-tx-0-21swapper/021:01:200
29715050,0irq/26-eth0-rx-6116-21vmstat22:21:343
29715050,0irq/26-eth0-rx-30297-21timerwakeupswit22:16:323
29715050,0irq/26-eth0-rx-22216-21kthreadcore20:01:273
29715050,0irq/26-eth0-rx-15931-21grep00:31:303
29715050,0irq/26-eth0-rx-0-21swapper/323:30:033
29715050,0irq/26-eth0-rx-0-21swapper/323:16:283
29715050,0irq/26-eth0-rx-0-21swapper/323:15:203
29715050,0irq/26-eth0-rx-0-21swapper/323:07:363
29715050,0irq/26-eth0-rx-0-21swapper/321:51:273
29715050,0irq/26-eth0-rx-0-21swapper/321:16:303
29715050,0irq/26-eth0-rx-0-21swapper/321:01:273
29715050,0irq/26-eth0-rx-0-21swapper/300:24:193
29715050,0irq/26-eth0-rx-0-21swapper/300:01:273
259950,0migration/2925-21kthreadcore22:41:262
259950,0migration/24016-21rt-features00:21:312
259950,0migration/226504-21kthreadcore19:16:272
259950,0migration/224156-21sh21:55:342
259950,0migration/221943-21sh23:33:302
259950,0migration/220661-21kthreadcore22:31:262
259950,0migration/212966-21kthreadcore19:06:262
249950,0watchdog/28249-21irqcore23:26:232
249950,0watchdog/222969-21ls19:11:322
179950,0migration/18006-21aten_r1power_cu22:26:201
179950,0migration/17918-21idleruntime23:26:211
179950,0migration/14973-21cpuspeed_turbos19:26:221
179950,0migration/14865-21kthreadcore21:41:271
179950,0migration/131155-21kthreadcore20:56:281
179950,0migration/124099-21sh23:56:261
179950,0migration/122118-21taskset00:15:361
179950,0migration/121081-21kthreadcore19:36:261
179950,0migration/111396-21kthreadcore23:46:261
169950,0watchdog/19610-21kthreadcore20:16:281
169950,0watchdog/13025-21kthreadcore20:11:281
149950,0migration/09336-21kthreadcore23:46:260
149950,0migration/07529-21sh22:04:270
149950,0migration/06016-21taskset23:23:570
149950,0migration/0573-21fschecks_time20:11:240
149950,0migration/05052-21sh23:41:550
149950,0migration/03706-21kthreadcore21:41:270
149950,0migration/031523-21latency_hist23:01:090
149950,0migration/027961-21kthreadcore19:41:260
149950,0migration/025675-21idleruntime21:36:240
149950,0migration/024622-21idleruntime19:16:250
149950,0migration/024583-21kthreadcore23:56:270
149950,0migration/020003-21kthreadcore23:31:260
149950,0migration/019113-21kthreadcore23:11:260
149950,0migration/018078-21taskset19:36:190
149950,0migration/017462-21taskset19:31:470
149950,0migration/015161-21munin-node20:46:220
149950,0migration/014043-21taskset20:45:520
149950,0migration/013494-21sh23:27:130
149950,0migration/012545-21taskset00:26:480
149950,0migration/010480-21kthreadcore20:16:280
102649955,0cyclictest0-21swapper/223:51:342
102649955,0cyclictest0-21swapper/223:46:312
102649955,0cyclictest0-21swapper/222:52:552
102649950,0cyclictest0-21swapper/222:46:462
102649950,0cyclictest0-21swapper/221:32:592
102649950,0cyclictest0-21swapper/221:25:342
102639955,0cyclictest0-21swapper/123:19:421
102639955,0cyclictest0-21swapper/122:41:041
102639955,0cyclictest0-21swapper/122:23:531
102639955,0cyclictest0-21swapper/119:52:321
102639955,0cyclictest0-21swapper/100:24:201
102639950,0cyclictest0-21swapper/122:10:481
102639950,0cyclictest0-21swapper/121:12:191
102639950,0cyclictest0-21swapper/100:29:511
102629950,0cyclictest0-21swapper/023:07:080
102629950,0cyclictest0-21swapper/022:53:440
102629950,0cyclictest0-21swapper/022:44:540
102629950,0cyclictest0-21swapper/022:23:270
102629950,0cyclictest0-21swapper/021:30:290
339940,0migration/331423-21diskmemload23:21:203
339940,0migration/331173-21latency_hist19:46:093
339940,0migration/326876-21kthreadcore00:16:293
339940,0migration/325584-21kthreadcore22:56:283
339940,0migration/316242-21kthreadcore00:11:263
339940,0migration/313315-21kthreadcore19:31:273
339940,0migration/310801-21munin-node19:26:333
29725040,0irq/27-eth0-tx-17029-21ssh21:11:242
29725040,0irq/27-eth0-tx-0-21swapper/223:41:422
29725040,0irq/27-eth0-tx-0-21swapper/223:16:242
29725040,0irq/27-eth0-tx-0-21swapper/223:11:332
29725040,0irq/27-eth0-tx-0-21swapper/223:01:232
29725040,0irq/27-eth0-tx-0-21swapper/222:21:212
29725040,0irq/27-eth0-tx-0-21swapper/222:01:112
29725040,0irq/27-eth0-tx-0-21swapper/221:46:112
29725040,0irq/27-eth0-tx-0-21swapper/221:41:122
29725040,0irq/27-eth0-tx-0-21swapper/200:11:102
29725040,0irq/27-eth0-tx-0-21swapper/200:04:412
29725040,0irq/27-eth0-tx-0-21swapper/020:00:430
29725040,0irq/27-eth0-tx-0-21swapper/019:46:310
29725040,0irq/27-eth0-tx-0-21swapper/019:21:210
29715040,0irq/26-eth0-rx-32343-21perl23:01:223
29715040,0irq/26-eth0-rx-0-21swapper/323:36:483
29715040,0irq/26-eth0-rx-0-21swapper/322:51:393
29715040,0irq/26-eth0-rx-0-21swapper/322:46:133
29715040,0irq/26-eth0-rx-0-21swapper/322:26:243
29715040,0irq/26-eth0-rx-0-21swapper/322:11:183
29715040,0irq/26-eth0-rx-0-21swapper/322:06:183
29715040,0irq/26-eth0-rx-0-21swapper/321:37:123
29715040,0irq/26-eth0-rx-0-21swapper/321:31:203
29715040,0irq/26-eth0-rx-0-21swapper/320:36:233
259940,0migration/28801-21kthreadcore19:26:272
259940,0migration/26829-21irqcore19:51:262
259940,0migration/232597-21irqrtprio19:46:252
259940,0migration/23010-21kthreadcore23:21:272
259940,0migration/228372-21kthreadcore20:31:282
259940,0migration/226066-21kthreadcore20:51:272
259940,0migration/218888-21idleruntime19:36:232
259940,0migration/213775-21runrttasks20:21:232
259940,0migration/211258-21kthreadcore21:26:272
249940,0watchdog/29611-21kthreadcore20:16:282
249940,0watchdog/23026-21kthreadcore20:11:282
249940,0watchdog/228423-21hddtemp_smartct20:56:242
249940,0watchdog/225614-21kthreadcore23:56:272
249940,0watchdog/22412-21kthreadcore20:36:282
249940,0watchdog/218101-21python19:56:322
249940,0watchdog/213185-21kthreadcore22:26:282
249940,0watchdog/20-21swapper/220:01:282
249940,0watchdog/20-21swapper/200:06:232
179940,0migration/18162-21kthreadcore00:06:251
179940,0migration/16341-21sh22:43:081
179940,0migration/13276-21kthreadcore23:21:271
179940,0migration/130481-21kthreadcore20:06:301
179940,0migration/128377-21kthreadcore20:31:281
179940,0migration/128314-21kthreadcore21:36:261
179940,0migration/126661-21ksmtuned20:51:311
179940,0migration/121499-21kthreadcore20:26:261
179940,0migration/119640-21kthreadcore21:51:271
179940,0migration/117162-21irqcore22:31:241
179940,0migration/111620-21kthreadcore21:06:271
169940,0watchdog/18276-21ssh23:06:231
169940,0watchdog/16528-21proc_pri20:36:321
169940,0watchdog/123234-21stty23:36:191
169940,0watchdog/120396-21yum20:46:321
169940,0watchdog/114393-21ssh00:31:231
169940,0watchdog/112657-21kthreadcore21:26:281
169940,0watchdog/10-21swapper/121:56:121
169940,0watchdog/10-21swapper/120:01:281
169940,0watchdog/10-21swapper/119:11:321
149940,0migration/029985-21latency21:56:280
149940,0migration/027863-21kthreadcore22:56:290
149940,0migration/021897-21kthreadcore21:51:280
149940,0migration/02065-21kthreadcore00:01:270
149940,0migration/010759-21kthreadcore22:46:260
102649943,0cyclictest3556-21lldpd21:07:012
102649943,0cyclictest3514-21snmpd23:07:192
102649943,0cyclictest3514-21snmpd00:17:042
102649943,0cyclictest24540-21awk22:56:262
102649943,0cyclictest17213-21awk22:11:242
102649943,0cyclictest12358-21awk19:31:252
102639944,0cyclictest0-21swapper/120:21:231
102639943,0cyclictest3556-21lldpd21:01:321
102639943,0cyclictest3556-21lldpd00:17:331
102639943,0cyclictest3514-21snmpd19:50:341
102639943,0cyclictest25343-21awk22:16:241
102639943,0cyclictest23375-21sadc22:56:091
102639943,0cyclictest23096-21crond23:16:091
102639943,0cyclictest17849-21sadc19:36:091
102639943,0cyclictest17692-21awk21:31:241
102639943,0cyclictest16001-21awk23:31:231
102639943,0cyclictest1483-21awk21:21:271
102629944,0cyclictest0-21swapper/020:51:330
102629943,0cyclictest9433-21tail22:06:260
102629943,0cyclictest6600-21awk19:51:250
102629943,0cyclictest3556-21lldpd23:55:030
102629943,0cyclictest3556-21lldpd00:33:030
102629943,0cyclictest3556-21lldpd00:14:330
102629943,0cyclictest3514-21snmpd21:36:040
102629943,0cyclictest3514-21snmpd19:11:190
102629943,0cyclictest3514-21snmpd00:24:190
102629943,0cyclictest3241-21irqbalance23:17:280
102629943,0cyclictest28499-21awk20:56:250
102629943,0cyclictest25496-21sadc20:06:090
102629943,0cyclictest17561-21awk21:11:260
8215030,0irq/24-0000:00:0-21swapper/220:06:172
29725030,0irq/27-eth0-tx-0-21swapper/222:16:102
29725030,0irq/27-eth0-tx-0-21swapper/019:06:200
29715030,0irq/26-eth0-rx-0-21swapper/320:56:223
29715030,0irq/26-eth0-rx-0-21swapper/320:51:283
29715030,0irq/26-eth0-rx-0-21swapper/320:16:213
29715030,0irq/26-eth0-rx-0-21swapper/320:11:323
29715030,0irq/26-eth0-rx-0-21swapper/319:23:003
29715030,0irq/26-eth0-rx-0-21swapper/319:15:143
249930,0watchdog/20-21swapper/221:01:202
169930,0watchdog/18426-21diskmemload23:41:351
169930,0watchdog/10-21swapper/121:16:281
169930,0watchdog/10-21swapper/119:06:281
102649932,0cyclictest31317-21awk19:21:242
102649931,0cyclictest15895-21kthreadcore20:46:242
102639932,0cyclictest3514-21snmpd22:11:141
102639932,0cyclictest32537-21awk23:01:241
102639932,0cyclictest2990-21kthreadcore22:01:291
102639932,0cyclictest24757-21awk19:16:261
102639932,0cyclictest15803-21awk23:51:241
102639932,0cyclictest13321-21sensors20:41:341
102639932,0cyclictest13247-21awk19:56:251
102629932,0cyclictest886-21munin-node20:36:350
102629932,0cyclictest8717-21cut00:06:250
102629932,0cyclictest3556-21lldpd22:32:330
102629932,0cyclictest3514-21snmpd23:36:290
102629932,0cyclictest25990-21tr20:06:250
102629932,0cyclictest25065-21grep00:16:280
102629932,0cyclictest24933-21awk22:36:230
102629932,0cyclictest22105-21sensors22:11:310
102629932,0cyclictest1112-21tune2fs21:21:250
249920,0watchdog/20-21swapper/219:41:122
169920,0watchdog/10-21swapper/119:21:121
102629921,0cyclictest16906-21kworker/0:119:26:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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