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2026-02-28 - 13:08
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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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 rack1slot2.osadl.org (updated Sat Feb 28, 2026 00:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1399225142,0sleep20-21swapper/219:14:142
1392423329,0sleep00-21swapper/019:13:280
1381623323,0sleep30-21swapper/319:12:113
1416223127,0sleep10-21swapper/119:16:131
339960,0migration/321950-21sh23:06:163
339960,0migration/317052-21fschecks_time00:36:393
29805060,0irq/28-eth0-rx-27659-21taskset00:03:353
29805060,0irq/28-eth0-rx-26226-21turbostat.cron22:31:263
29805060,0irq/28-eth0-rx-24818-21tr22:46:423
29805060,0irq/28-eth0-rx-14709-21iostat21:46:403
142479960,0cyclictest5345-21interrupts21:01:410
149960,0migration/05708-21sh21:58:180
149960,0migration/04532-21sh21:41:200
149960,0migration/032351-21taskset22:15:240
149960,0migration/024169-21sh23:26:110
149960,0migration/023653-21sh22:10:130
339950,0migration/38474-21munin-node23:16:403
339950,0migration/34016-21munin-node23:51:393
339950,0migration/331987-21sh23:29:003
339950,0migration/330382-21missed_timers22:11:443
339950,0migration/330147-21irqrtprio22:51:413
339950,0migration/329834-21kthreadcore23:46:433
339950,0migration/329010-21aten_r1power_vo19:26:363
339950,0migration/327309-21kthreadcore00:41:423
339950,0migration/326622-21taskset20:31:413
339950,0migration/321723-21munin-node19:21:363
339950,0migration/31310-21fschecks_time22:16:383
339950,0migration/31193-21fschecks_time20:36:383
339950,0migration/311755-21fschecks_time19:36:383
339950,0migration/311417-21cpuspeed_turbos20:21:373
329950,0watchdog/332605-21ntpq22:31:443
329950,0watchdog/30-21swapper/323:12:523
329950,0watchdog/30-21swapper/320:51:363
329950,0watchdog/30-21swapper/300:06:453
29815050,0irq/29-eth0-tx-32536-21munin-node19:51:380
29815050,0irq/29-eth0-tx-14836-21munin-node20:46:460
29815050,0irq/29-eth0-tx-0-21swapper/020:51:460
29815050,0irq/29-eth0-tx-0-21swapper/020:15:450
29815050,0irq/29-eth0-tx-0-21swapper/019:30:360
29805050,0irq/28-eth0-rx-31528-21cpuspeed_turbos00:26:373
29805050,0irq/28-eth0-rx-2700-21grep21:36:503
29805050,0irq/28-eth0-rx-18138-21kthreadcore00:16:433
29805050,0irq/28-eth0-rx-17913-21chrt21:27:243
29805050,0irq/28-eth0-rx-15889-21sh23:21:353
29805050,0irq/28-eth0-rx-10711-21irqcore22:21:413
29805050,0irq/28-eth0-rx-0-21swapper/323:56:373
29805050,0irq/28-eth0-rx-0-21swapper/323:41:293
29805050,0irq/28-eth0-rx-0-21swapper/323:36:423
29805050,0irq/28-eth0-rx-0-21swapper/323:31:463
29805050,0irq/28-eth0-rx-0-21swapper/323:06:393
29805050,0irq/28-eth0-rx-0-21swapper/322:09:323
29805050,0irq/28-eth0-rx-0-21swapper/322:04:433
29805050,0irq/28-eth0-rx-0-21swapper/321:56:423
29805050,0irq/28-eth0-rx-0-21swapper/321:51:443
29805050,0irq/28-eth0-rx-0-21swapper/321:41:433
29805050,0irq/28-eth0-rx-0-21swapper/321:31:403
29805050,0irq/28-eth0-rx-0-21swapper/321:21:483
29805050,0irq/28-eth0-rx-0-21swapper/319:31:453
29805050,0irq/28-eth0-rx-0-21swapper/300:31:453
29805050,0irq/28-eth0-rx-0-21swapper/300:21:433
29805050,0irq/28-eth0-rx-0-21swapper/300:11:443
27150,0ktimersoftd/20-21swapper/221:42:352
249950,0watchdog/28476-21sh23:16:402
249950,0watchdog/21542-21kthreadcore00:06:452
179950,0migration/16943-21sh00:30:371
179950,0migration/13175-21munin-node22:36:371
179950,0migration/127424-21kthreadcore23:26:421
179950,0migration/125501-21kthreadcore22:46:431
179950,0migration/122523-21kthreadcore22:26:421
179950,0migration/112302-21sh22:58:321
169950,0watchdog/125976-21fschecks_count19:46:401
169950,0watchdog/120774-21needreboot20:46:441
142499955,0cyclictest0-21swapper/222:10:012
142499955,0cyclictest0-21swapper/221:20:122
142499955,0cyclictest0-21swapper/219:16:452
142499950,0cyclictest0-21swapper/223:11:192
142499950,0cyclictest0-21swapper/222:49:452
142499950,0cyclictest0-21swapper/222:22:002
142489954,0cyclictest13632-21sadc00:16:251
142489950,0cyclictest0-21swapper/123:52:421
142489950,0cyclictest0-21swapper/123:38:211
142489950,0cyclictest0-21swapper/100:24:141
142479955,0cyclictest0-21swapper/023:50:420
142479950,0cyclictest0-21swapper/022:57:060
142479950,0cyclictest0-21swapper/021:42:500
149950,0migration/09593-21kthreadcore23:16:420
149950,0migration/09511-21kthreadcore19:56:420
149950,0migration/08663-21taskset22:20:240
149950,0migration/07121-21kthreadcore21:21:410
149950,0migration/04527-21kthreadcore00:26:430
149950,0migration/030368-21sh00:24:490
149950,0migration/029121-21aten_r1power_vo00:06:380
149950,0migration/027972-21kthreadcore20:31:430
149950,0migration/02746-21munin-node22:36:350
149950,0migration/025454-21kthreadcore20:06:410
149950,0migration/024976-21kthreadcore19:21:430
149950,0migration/024840-21kthreadcore23:06:420
149950,0migration/023422-21kthreadcore21:31:410
149950,0migration/021289-21hwlatdetect00:01:400
149950,0migration/020561-21fschecks_count22:46:380
149950,0migration/02002-21sh22:35:140
149950,0migration/015440-21kthreadcore21:46:410
149950,0migration/015158-21sh00:34:250
149950,0migration/013984-21kthreadcore22:41:430
149950,0migration/013669-21kthreadcore20:21:420
149950,0migration/012660-21kthreadcore20:41:430
149950,0migration/011659-21fschecks_time21:26:380
149950,0migration/011489-21pmu-power00:11:470
149950,0migration/010109-21fschecks_time22:21:380
8305040,0irq/26-0000:00:9366-21latency_hist23:36:252
339940,0migration/39434-21kthreadcore19:56:423
339940,0migration/37670-21kthreadcore20:16:423
339940,0migration/37542-21latency_hist20:41:253
339940,0migration/325100-21kthreadcore20:06:413
339940,0migration/321192-21kthreadcore20:26:433
339940,0migration/318870-21kthreadcore19:16:413
339940,0migration/310831-21ksmtuned21:02:453
329940,0watchdog/328320-21kthreadcore19:46:443
329940,0watchdog/320772-21needreboot20:46:443
329940,0watchdog/319564-21hwlatdetect21:11:403
329940,0watchdog/30-21swapper/322:41:363
329940,0watchdog/30-21swapper/319:51:363
29815040,0irq/29-eth0-tx-3949-21munin-node20:16:370
29815040,0irq/29-eth0-tx-3158-21ssh21:37:432
29815040,0irq/29-eth0-tx-26485-21ssh22:31:332
29815040,0irq/29-eth0-tx-25561-21kthreadcore00:01:432
29815040,0irq/29-eth0-tx-25556-21diskmemload23:03:572
29815040,0irq/29-eth0-tx-14626-21ssh22:04:072
29815040,0irq/29-eth0-tx-14575-21ssh21:46:392
29815040,0irq/29-eth0-tx-0-21swapper/223:56:332
29815040,0irq/29-eth0-tx-0-21swapper/223:12:152
29815040,0irq/29-eth0-tx-0-21swapper/222:41:512
29815040,0irq/29-eth0-tx-0-21swapper/222:27:152
29815040,0irq/29-eth0-tx-0-21swapper/221:26:402
29815040,0irq/29-eth0-tx-0-21swapper/200:31:402
29815040,0irq/29-eth0-tx-0-21swapper/200:11:442
29815040,0irq/29-eth0-tx-0-21swapper/021:16:300
29815040,0irq/29-eth0-tx-0-21swapper/020:36:330
29815040,0irq/29-eth0-tx-0-21swapper/019:36:360
29805040,0irq/28-eth0-rx-21090-21unixbench_multi20:01:503
29805040,0irq/28-eth0-rx-0-21swapper/322:56:383
29805040,0irq/28-eth0-rx-0-21swapper/322:36:413
29805040,0irq/28-eth0-rx-0-21swapper/321:18:513
29805040,0irq/28-eth0-rx-0-21swapper/319:41:463
259940,0migration/29090-21kthreadcore20:16:432
259940,0migration/227430-21fschecks_time23:46:392
249940,0watchdog/230900-21aten_r1power_fr21:56:362
249940,0watchdog/213947-21sh00:16:372
249940,0watchdog/20-21swapper/222:56:442
179940,0migration/18808-21sh23:35:191
179940,0migration/14109-21sh20:16:371
179940,0migration/131308-21kthreadcore21:36:421
179940,0migration/130839-21aten_r1power_cu21:56:361
179940,0migration/130818-21irqrtprio20:56:411
179940,0migration/129116-21sh23:07:171
179940,0migration/126972-21fschecks_count22:31:371
179940,0migration/122800-21hddtemp_smartct20:06:371
179940,0migration/122743-21sh22:07:431
179940,0migration/121165-21fschecks_time00:01:381
179940,0migration/120529-21kthreadcore00:36:431
179940,0migration/118775-21munin-node20:26:381
179940,0migration/11865-21latency_hist21:21:251
179940,0migration/118227-21latency_hist20:26:251
179940,0migration/114245-21cpuspeed_turbos00:16:381
179940,0migration/113582-21timerandwakeup22:01:481
179940,0migration/113046-21kthreadcore21:06:421
179940,0migration/112883-21iostat23:56:411
179940,0migration/111554-21kthreadcore20:41:431
179940,0migration/110965-21taskset21:04:221
179940,0migration/11050-21kthreadcore20:11:431
169940,0watchdog/18526-21if_eth019:56:401
169940,0watchdog/131900-21ssh22:14:081
169940,0watchdog/123889-21ssh23:25:251
169940,0watchdog/10-21swapper/122:41:361
169940,0watchdog/10-21swapper/120:51:361
169940,0watchdog/10-21swapper/100:06:451
142499944,0cyclictest0-21swapper/223:28:322
142499944,0cyclictest0-21swapper/222:39:202
142499944,0cyclictest0-21swapper/222:16:002
142499944,0cyclictest0-21swapper/200:28:262
142499943,0cyclictest5308-21awk21:01:412
142499943,0cyclictest3571-21lldpd23:31:342
142499943,0cyclictest3571-21lldpd23:23:342
142499943,0cyclictest3571-21lldpd22:55:342
142499943,0cyclictest3571-21lldpd20:26:022
142499943,0cyclictest3571-21lldpd00:43:362
142499943,0cyclictest3571-21lldpd00:21:352
142499943,0cyclictest3524-21snmpd23:52:182
142499943,0cyclictest3524-21snmpd22:17:022
142499943,0cyclictest3524-21snmpd20:37:162
142499943,0cyclictest30191-21awk20:11:412
142499943,0cyclictest29909-21awk19:26:392
142499943,0cyclictest23256-21awk21:51:392
142499943,0cyclictest18152-21munin-node23:41:382
142499940,0cyclictest16160-21munin-node00:36:382
142489943,0cyclictest4740-21awk19:31:391
142489943,0cyclictest3571-21lldpd23:19:051
142489943,0cyclictest3571-21lldpd23:11:341
142489943,0cyclictest3571-21lldpd22:54:051
142489943,0cyclictest3571-21lldpd22:17:341
142489943,0cyclictest3571-21lldpd21:51:341
142489943,0cyclictest3571-21lldpd21:45:041
142489943,0cyclictest3571-21lldpd20:39:331
142489943,0cyclictest3571-21lldpd00:35:051
142489943,0cyclictest3250-21irqbalance22:21:521
142489943,0cyclictest3250-21irqbalance21:32:011
142489943,0cyclictest3250-21irqbalance21:29:411
142489943,0cyclictest3250-21irqbalance21:18:011
142489943,0cyclictest3250-21irqbalance00:41:521
142489943,0cyclictest19631-21awk21:11:401
142489943,0cyclictest19254-21awk23:41:411
142489943,0cyclictest14732-21awk23:01:401
142489943,0cyclictest14692-21awk21:46:401
142479944,0cyclictest0-21swapper/023:40:460
142479944,0cyclictest0-21swapper/022:53:090
142479943,0cyclictest6975-21sadc23:16:260
142479943,0cyclictest4771-21awk19:31:390
142479943,0cyclictest4218-21awk23:51:410
142479943,0cyclictest3524-21snmpd23:35:330
142479943,0cyclictest3524-21snmpd22:27:470
142479943,0cyclictest3524-21snmpd00:45:340
142479943,0cyclictest23363-21awk21:51:390
142479943,0cyclictest19413-21awk20:26:400
142479943,0cyclictest12509-21awk21:06:410
149940,0migration/027343-21kthreadcore23:26:420
149940,0migration/023048-21kthreadcore23:41:440
149940,0migration/021601-21kthreadcore00:36:430
149940,0migration/020058-21kthreadcore20:01:430
149940,0migration/015074-21if_eth100:16:410
8305030,0irq/26-0000:00:0-21swapper/220:06:302
329930,0watchdog/30-21swapper/320:11:403
29815030,0irq/29-eth0-tx-0-21swapper/221:31:262
29815030,0irq/29-eth0-tx-0-21swapper/021:11:370
29805030,0irq/28-eth0-rx-0-21swapper/321:06:363
29805030,0irq/28-eth0-rx-0-21swapper/320:56:363
27130,0ktimersoftd/212555-21if_eth1.321:06:412
259930,0migration/27563-21latency_hist20:41:252
249930,0watchdog/225975-21fschecks_count19:46:402
249930,0watchdog/220773-21grep20:46:442
249930,0watchdog/219562-21hwlatdetect21:11:402
249930,0watchdog/20-21swapper/221:21:362
249930,0watchdog/20-21swapper/220:51:362
249930,0watchdog/20-21swapper/219:56:402
249930,0watchdog/20-21swapper/219:51:362
249930,0watchdog/20-21swapper/219:22:002
179930,0migration/13487-21kthreadcore19:51:411
179930,0migration/114952-21kthreadcore19:36:421
142499932,0cyclictest3571-21lldpd20:56:342
142499932,0cyclictest3571-21lldpd19:39:332
142499932,0cyclictest26592-21awk20:31:402
142499932,0cyclictest19463-21awk20:26:412
142499930,0cyclictest18894-21perl19:41:392
142499930,0cyclictest16672-21cut20:01:422
142499930,0cyclictest0-21swapper/219:31:412
142489933,0cyclictest3571-21lldpd19:21:321
142489932,0cyclictest3571-21lldpd19:41:331
142489932,0cyclictest3571-21lldpd19:17:321
142489932,0cyclictest3524-21snmpd23:46:251
142489932,0cyclictest26711-21awk20:31:411
142489932,0cyclictest15690-21awk20:01:401
142489930,0cyclictest2669-21python19:26:481
142479932,0cyclictest26378-21awk19:46:410
142479932,0cyclictest22096-21cat23:06:260
142479932,0cyclictest15537-21awk19:16:390
142479932,0cyclictest15462-21sadc22:06:250
142479930,0cyclictest29286-21munin-node20:56:370
142479930,0cyclictest18161-21munin-node19:41:390
142479930,0cyclictest12349-21cut23:56:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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