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2026-01-21 - 20:04
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

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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 Wed Jan 21, 2026 12:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
848723627,0sleep20-21swapper/207:05:032
304450350,0irq/25-eth10-21swapper/307:01:343
829723422,0sleep00-21swapper/007:02:490
826023424,0sleep10-21swapper/107:02:221
86719960,0cyclictest0-21swapper/207:16:302
86709960,0cyclictest0-21swapper/111:15:481
339960,0migration/34595-21sh11:03:353
339960,0migration/33029-21munin-node07:46:393
339960,0migration/327718-21sh11:58:353
339960,0migration/32762-21sh12:02:013
339960,0migration/321172-21sh09:11:573
339960,0migration/320662-21sh10:52:403
339960,0migration/311854-21sh12:09:593
339960,0migration/310469-21sh12:27:133
29715060,0irq/26-eth0-rx-6197-21diskstats11:06:293
29715060,0irq/26-eth0-rx-20832-21sendmail_mailtr09:51:403
27160,0ktimersoftd/20-21swapper/210:14:332
149960,0migration/029533-21cpuspeed_turbos11:41:310
149960,0migration/027598-21sh11:58:150
149960,0migration/021907-21sh10:35:010
149960,0migration/021236-21sh09:12:060
149960,0migration/012200-21sh11:28:430
86719950,0cyclictest0-21swapper/210:01:162
86719950,0cyclictest0-21swapper/209:13:012
86709955,0cyclictest0-21swapper/111:25:251
86709955,0cyclictest0-21swapper/110:09:161
86709954,0cyclictest19617-21ssh12:14:271
86709950,0cyclictest0-21swapper/111:44:201
86709950,0cyclictest0-21swapper/109:26:321
86699950,0cyclictest0-21swapper/012:11:130
4150,0ktimersoftd/00-21swapper/010:14:330
35150,0ktimersoftd/30-21swapper/311:27:523
339950,0migration/39506-21taskset07:29:463
339950,0migration/37529-21taskset09:26:303
339950,0migration/34976-21aten_r1power_en11:46:293
339950,0migration/331798-21fschecks_time09:21:303
339950,0migration/330958-21unixbench_multi08:31:403
339950,0migration/329742-21diskmemload10:18:443
339950,0migration/328812-21sh11:40:483
339950,0migration/328487-21sh11:18:313
339950,0migration/324833-21gltestperf08:06:313
339950,0migration/32112-21munin-node07:21:403
339950,0migration/317991-21kthreadcore07:36:363
339950,0migration/317790-21kthreadcore09:31:353
339950,0migration/317105-21taskset07:59:403
339950,0migration/314433-21kthreadcore12:31:353
29725050,0irq/27-eth0-tx-6759-21diskmemload09:19:542
29725050,0irq/27-eth0-tx-6025-21munin-node08:41:300
29725050,0irq/27-eth0-tx-30722-21iostat_ios11:21:332
29725050,0irq/27-eth0-tx-30603-21munin-node10:41:312
29725050,0irq/27-eth0-tx-29788-21munin-node07:46:310
29725050,0irq/27-eth0-tx-22859-21grep10:56:312
29725050,0irq/27-eth0-tx-22586-21ssh10:36:212
29725050,0irq/27-eth0-tx-22586-21ssh10:36:212
29725050,0irq/27-eth0-tx-20130-21ssh11:12:192
29725050,0irq/27-eth0-tx-15409-21kthreadcore12:31:352
29725050,0irq/27-eth0-tx-13088-21ssh10:06:592
29725050,0irq/27-eth0-tx-0-21swapper/212:03:292
29725050,0irq/27-eth0-tx-0-21swapper/211:42:322
29725050,0irq/27-eth0-tx-0-21swapper/211:37:502
29725050,0irq/27-eth0-tx-0-21swapper/211:18:552
29725050,0irq/27-eth0-tx-0-21swapper/211:06:332
29725050,0irq/27-eth0-tx-0-21swapper/210:49:322
29725050,0irq/27-eth0-tx-0-21swapper/210:28:552
29725050,0irq/27-eth0-tx-0-21swapper/209:46:472
29725050,0irq/27-eth0-tx-0-21swapper/009:06:200
29725050,0irq/27-eth0-tx-0-21swapper/008:57:560
29725050,0irq/27-eth0-tx-0-21swapper/008:46:340
29715050,0irq/26-eth0-rx-24122-21irqcore09:56:333
29715050,0irq/26-eth0-rx-24000-21gltestperf09:36:323
29715050,0irq/26-eth0-rx-16940-21grep11:11:343
29715050,0irq/26-eth0-rx-14164-21idleruntime11:31:323
29715050,0irq/26-eth0-rx-0-21swapper/312:24:023
29715050,0irq/26-eth0-rx-0-21swapper/311:51:303
29715050,0irq/26-eth0-rx-0-21swapper/310:49:563
29715050,0irq/26-eth0-rx-0-21swapper/310:36:353
29715050,0irq/26-eth0-rx-0-21swapper/310:36:353
29715050,0irq/26-eth0-rx-0-21swapper/310:24:383
29715050,0irq/26-eth0-rx-0-21swapper/310:11:343
29715050,0irq/26-eth0-rx-0-21swapper/310:06:293
29715050,0irq/26-eth0-rx-0-21swapper/310:03:273
29715050,0irq/26-eth0-rx-0-21swapper/309:49:013
29715050,0irq/26-eth0-rx-0-21swapper/309:17:363
29715050,0irq/26-eth0-rx-0-21swapper/309:06:293
259950,0migration/28157-21kthreadcore11:26:362
259950,0migration/27121-21kthreadcore12:06:362
259950,0migration/26977-21latency_hist09:26:182
259950,0migration/228634-21sh12:01:172
259950,0migration/220810-21munin-node09:31:372
259950,0migration/220652-21sh12:16:262
259950,0migration/216325-21kthreadcore10:51:342
179950,0migration/131007-21latency_hist10:01:181
179950,0migration/126696-21kthreadcore08:31:341
149950,0migration/09118-21cpuspeed_turbos07:06:290
149950,0migration/07925-21sh09:26:320
149950,0migration/06210-21kthreadcore07:26:360
149950,0migration/04530-21taskset10:42:120
149950,0migration/032374-21kthreadcore11:21:340
149950,0migration/031760-21fschecks_count09:41:300
149950,0migration/028922-21taskset11:41:080
149950,0migration/02746-21kthreadcore08:36:350
149950,0migration/027308-21kthreadcore08:31:340
149950,0migration/026654-21kthreadcore07:16:350
149950,0migration/024948-21kthreadcore10:56:350
149950,0migration/024704-21kthreadcore10:36:340
149950,0migration/024704-21kthreadcore10:36:340
149950,0migration/01995-21kthreadcore10:21:360
149950,0migration/019173-21sh12:13:090
149950,0migration/018704-21kthreadcore09:51:360
149950,0migration/017724-21cpuspeed_turbos08:01:280
149950,0migration/017125-21needreboot08:21:370
149950,0migration/016712-21irqrtprio07:11:340
149950,0migration/013476-21fschecks_time11:51:290
149950,0migration/013141-21sh11:10:140
149950,0migration/011562-21latency_hist08:21:180
149950,0migration/011099-21sh11:46:430
149950,0migration/010441-21kthreadcore10:26:350
86719944,0cyclictest0-21swapper/209:21:322
86719943,0cyclictest3556-21lldpd08:58:332
86719943,0cyclictest3556-21lldpd08:12:332
86719943,0cyclictest3556-21lldpd08:08:032
86719943,0cyclictest3556-21lldpd07:41:332
86719943,0cyclictest3514-21snmpd09:36:252
86719943,0cyclictest3241-21irqbalance08:26:372
86719943,0cyclictest29449-21awk12:21:302
86709944,0cyclictest1624-21kthreadcore11:01:361
86709944,0cyclictest0-21swapper/112:31:281
86709944,0cyclictest0-21swapper/111:48:351
86709944,0cyclictest0-21swapper/111:28:531
86709944,0cyclictest0-21swapper/111:06:581
86709944,0cyclictest0-21swapper/109:43:061
86709943,0cyclictest5001-21awk12:26:321
86709943,0cyclictest3556-21lldpd11:52:361
86709943,0cyclictest3556-21lldpd07:57:041
86709943,0cyclictest3556-21lldpd07:36:331
86709943,0cyclictest3556-21lldpd07:26:331
86709943,0cyclictest3556-21lldpd07:12:031
86709943,0cyclictest3514-21snmpd08:58:251
86709943,0cyclictest3514-21snmpd08:29:401
86709943,0cyclictest3514-21snmpd07:48:541
86709943,0cyclictest3514-21snmpd07:09:541
86709943,0cyclictest3241-21irqbalance08:15:271
86709943,0cyclictest18333-21awk08:01:311
86709943,0cyclictest16243-21awk09:31:331
86709943,0cyclictest10762-21awk07:31:341
86699944,0cyclictest0-21swapper/010:03:410
86699943,0cyclictest8004-21awk09:46:320
86699943,0cyclictest3514-21snmpd08:26:550
86699943,0cyclictest3241-21irqbalance12:26:460
86699943,0cyclictest3241-21irqbalance12:21:560
86699943,0cyclictest3241-21irqbalance12:18:360
86699943,0cyclictest3241-21irqbalance11:01:360
86699943,0cyclictest24193-21awk09:36:330
86699943,0cyclictest21493-21sadc11:16:170
86699943,0cyclictest21411-21kworker/0:012:33:530
86699943,0cyclictest21411-21kworker/0:010:10:450
86699943,0cyclictest17413-21awk07:36:340
86699940,0cyclictest4121-21munin-node07:51:360
86699940,0cyclictest0-21swapper/008:56:180
8215040,0irq/24-0000:00:0-21swapper/208:01:182
4140,0ktimersoftd/00-21swapper/011:34:010
339940,0migration/3973-21kthreadcore08:36:343
339940,0migration/36586-21taskset09:04:373
339940,0migration/331806-21kthreadcore11:21:343
339940,0migration/330693-21latency_hist08:11:183
339940,0migration/329320-21aten_r1power_en11:41:303
339940,0migration/325032-21kthreadcore07:16:353
339940,0migration/317810-21kthreadcore07:11:353
339940,0migration/313521-21kthreadcore07:31:363
339940,0migration/312882-21kthreadcore07:06:343
339940,0migration/312213-21fschecks_count08:21:323
339940,0migration/310960-21kthreadcore08:41:353
29725040,0irq/27-eth0-tx-0-21swapper/212:26:422
29725040,0irq/27-eth0-tx-0-21swapper/212:12:422
29725040,0irq/27-eth0-tx-0-21swapper/211:46:192
29725040,0irq/27-eth0-tx-0-21swapper/211:31:232
29725040,0irq/27-eth0-tx-0-21swapper/211:01:302
29725040,0irq/27-eth0-tx-0-21swapper/210:31:302
29725040,0irq/27-eth0-tx-0-21swapper/210:16:332
29725040,0irq/27-eth0-tx-0-21swapper/210:01:262
29725040,0irq/27-eth0-tx-0-21swapper/209:51:202
29725040,0irq/27-eth0-tx-0-21swapper/209:41:452
29725040,0irq/27-eth0-tx-0-21swapper/007:31:390
29725040,0irq/27-eth0-tx-0-21swapper/007:21:320
29715040,0irq/26-eth0-rx-15667-21munin-node10:31:323
29715040,0irq/26-eth0-rx-0-21swapper/312:17:543
29715040,0irq/26-eth0-rx-0-21swapper/312:11:283
29715040,0irq/26-eth0-rx-0-21swapper/310:56:353
29715040,0irq/26-eth0-rx-0-21swapper/310:41:233
29715040,0irq/26-eth0-rx-0-21swapper/310:27:113
29715040,0irq/26-eth0-rx-0-21swapper/309:41:343
29715040,0irq/26-eth0-rx-0-21swapper/308:51:183
259940,0migration/26807-21kthreadcore07:51:362
259940,0migration/26153-21kthreadcore07:26:362
259940,0migration/232237-21kernelversion10:21:352
259940,0migration/225766-21gltestperf08:31:312
259940,0migration/219106-21kthreadcore07:36:362
259940,0migration/217999-21kthreadcore07:11:352
259940,0migration/214697-21kthreadcore08:46:332
249940,0watchdog/27071-21telnet09:06:282
249940,0watchdog/228878-21munin-node07:21:412
249940,0watchdog/217806-21df08:01:292
249940,0watchdog/214770-21cut07:31:372
249940,0watchdog/213240-21df11:51:282
249940,0watchdog/212459-21grep08:21:332
179940,0migration/13647-21kthreadcore09:01:351
179940,0migration/131817-21fschecks_time09:21:301
179940,0migration/131371-21kthreadcore07:21:351
179940,0migration/130262-21kthreadcore12:21:321
179940,0migration/128110-21timerwakeupswit10:56:411
179940,0migration/126906-21kthreadcore08:06:341
179940,0migration/123757-21kthreadcore12:16:321
179940,0migration/123645-21kthreadcore11:36:351
179940,0migration/120560-21irqrtprio08:51:331
179940,0migration/118436-21kthreadcore10:51:351
179940,0migration/118124-21munin-node08:46:361
179940,0migration/11402-21kthreadcore10:21:351
179940,0migration/112940-21taskset10:27:091
179940,0migration/112199-21timerwakeupswit10:46:401
169940,0watchdog/131050-21ssh09:41:161
169940,0watchdog/129034-21ssh10:16:401
169940,0watchdog/120801-21ssh10:31:481
169940,0watchdog/118190-21kthreadcore09:51:361
169940,0watchdog/114123-21hddtemp_smartct11:31:321
169940,0watchdog/112460-21gltestperf08:21:331
169940,0watchdog/111836-21ssh12:09:561
169940,0watchdog/110087-21kthreadcore08:16:371
169940,0watchdog/10-21swapper/111:16:401
169940,0watchdog/10-21swapper/110:41:401
169940,0watchdog/10-21swapper/109:11:361
169940,0watchdog/10-21swapper/109:06:281
169940,0watchdog/10-21swapper/107:51:371
169940,0watchdog/10-21swapper/107:41:371
149940,0migration/024459-21kthreadcore09:16:330
149940,0migration/022009-21cpuspeed_turbos11:16:290
86719932,0cyclictest9977-21cut08:41:342
86719932,0cyclictest9472-21fschecks_time07:06:302
86719932,0cyclictest3072-21sensors07:46:392
86719932,0cyclictest20465-21irqcore08:51:332
86719932,0cyclictest1210-21awk09:01:332
86709933,0cyclictest0-21swapper/111:56:191
86709933,0cyclictest0-21swapper/109:17:141
86709932,0cyclictest32531-21awk08:36:321
86699933,0cyclictest6759-21diskmemload12:01:270
86699933,0cyclictest21411-21kworker/0:010:51:330
86699933,0cyclictest21411-21kworker/0:010:47:010
86699933,0cyclictest21411-21kworker/0:010:16:370
86699933,0cyclictest21411-21kworker/0:009:56:390
86699933,0cyclictest21411-21kworker/0:009:31:290
86699932,0cyclictest24026-21awk07:41:340
86699930,0cyclictest4203-21grep09:01:350
86699930,0cyclictest32055-21ssh09:21:310
8215030,0irq/24-0000:00:0-21swapper/208:36:182
29725030,0irq/27-eth0-tx-0-21swapper/008:11:310
29725030,0irq/27-eth0-tx-0-21swapper/007:56:290
29715030,0irq/26-eth0-rx-0-21swapper/308:59:513
29715030,0irq/26-eth0-rx-0-21swapper/308:46:273
29715030,0irq/26-eth0-rx-0-21swapper/308:16:293
29715030,0irq/26-eth0-rx-0-21swapper/307:51:353
29715030,0irq/26-eth0-rx-0-21swapper/307:41:303
249930,0watchdog/20-21swapper/208:16:372
169930,0watchdog/122625-21munin-node10:36:321
169930,0watchdog/122625-21munin-node10:36:321
169930,0watchdog/10-21swapper/112:01:321
169930,0watchdog/10-21swapper/110:11:361
169930,0watchdog/10-21swapper/109:56:241
169930,0watchdog/10-21swapper/109:46:241
169930,0watchdog/10-21swapper/108:41:321
169930,0watchdog/10-21swapper/107:16:371
86699921,0cyclictest0-21swapper/008:06:180
329920,0watchdog/321199-21kthreadcore08:01:333
29715020,0irq/26-eth0-rx-0-21swapper/308:26:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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