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2026-02-06 - 20:39
[ 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 792 highest latencies:
System rack1slot2.osadl.org (updated Fri Feb 06, 2026 12:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2335624637,0sleep10-21swapper/107:10:121
2350924535,0sleep30-21swapper/307:12:023
2345324536,0sleep20-21swapper/207:11:212
2352723026,0sleep00-21swapper/007:12:110
339960,0migration/3835-21sh10:08:523
339960,0migration/38204-21sh12:27:543
339960,0migration/33359-21sh12:01:233
339960,0migration/330820-21sh11:04:483
339960,0migration/330172-21sh09:46:223
339960,0migration/325665-21sh12:38:503
339960,0migration/324863-21munin-node10:19:573
339960,0migration/318415-21munin-node11:34:533
339960,0migration/316049-21sh11:30:143
329960,0watchdog/313489-21python11:10:023
29815060,0irq/29-eth0-tx-2690-21sh09:14:380
29805060,0irq/28-eth0-rx-20422-21diskstats11:54:533
29805060,0irq/28-eth0-rx-17413-21sh12:34:383
29805060,0irq/28-eth0-rx-1606-21cut08:04:543
29805060,0irq/28-eth0-rx-0-21swapper/309:32:363
238039966,0cyclictest2689-21diskmemload10:27:420
238039966,0cyclictest2689-21diskmemload10:27:420
149960,0migration/08843-21sh11:29:080
149960,0migration/08224-21kthreadcore12:04:570
149960,0migration/030562-21timerwakeupswit08:00:040
149960,0migration/021333-21sh09:40:490
149960,0migration/019127-21latency07:29:570
149960,0migration/015446-21sh09:57:160
8305050,0irq/26-0000:00:23952-21kthreadcore09:04:562
4150,0ktimersoftd/00-21swapper/010:45:020
339950,0migration/33548-21munin-node09:14:523
339950,0migration/330017-21missed_timers07:59:573
339950,0migration/329737-21kthreadcore12:39:563
339950,0migration/329288-21runrttasks11:01:033
339950,0migration/328880-21hddtemp_smartct08:24:533
339950,0migration/328641-21latency_hist10:44:393
339950,0migration/328064-21munin-node11:39:573
339950,0migration/325189-21hwlatdetect12:19:503
339950,0migration/323129-21kthreadcore09:04:563
339950,0migration/320707-21munin-node09:40:023
339950,0migration/317548-21latency10:34:573
339950,0migration/317271-21kthreadcore08:14:563
339950,0migration/316356-21kthreadcore09:19:563
339950,0migration/314047-21fschecks_time07:29:513
329950,0watchdog/36314-21runrttasks10:53:373
329950,0watchdog/318095-21yum11:50:063
329950,0watchdog/315334-21kthreadcore12:09:583
329950,0watchdog/31369-21ssh10:09:413
329950,0watchdog/30-21swapper/309:59:573
29815050,0irq/29-eth0-tx-9107-21munin-node12:30:062
29815050,0irq/29-eth0-tx-845-21cut11:04:572
29815050,0irq/29-eth0-tx-7274-21ssh09:53:352
29815050,0irq/29-eth0-tx-3715-21munin-node10:30:002
29815050,0irq/29-eth0-tx-3715-21munin-node10:30:002
29815050,0irq/29-eth0-tx-31511-21ssh10:05:022
29815050,0irq/29-eth0-tx-18858-21sed11:34:542
29815050,0irq/29-eth0-tx-17014-21munin-node07:55:000
29815050,0irq/29-eth0-tx-11369-21munin-node11:50:002
29815050,0irq/29-eth0-tx-11167-21kthreadcore11:29:572
29815050,0irq/29-eth0-tx-0-21swapper/212:08:582
29815050,0irq/29-eth0-tx-0-21swapper/211:03:242
29815050,0irq/29-eth0-tx-0-21swapper/210:25:342
29815050,0irq/29-eth0-tx-0-21swapper/210:25:342
29815050,0irq/29-eth0-tx-0-21swapper/210:10:282
29815050,0irq/29-eth0-tx-0-21swapper/209:39:532
29815050,0irq/29-eth0-tx-0-21swapper/209:32:062
29815050,0irq/29-eth0-tx-0-21swapper/209:17:542
29815050,0irq/29-eth0-tx-0-21swapper/008:54:490
29815050,0irq/29-eth0-tx-0-21swapper/007:26:450
29805050,0irq/28-eth0-rx-8735-21cat11:44:573
29805050,0irq/28-eth0-rx-6576-21latency11:24:573
29805050,0irq/28-eth0-rx-5553-21cat09:34:383
29805050,0irq/28-eth0-rx-31632-21munin-node09:49:533
29805050,0irq/28-eth0-rx-25999-21kthreadcore11:19:543
29805050,0irq/28-eth0-rx-25734-21kthreadcore09:24:563
29805050,0irq/28-eth0-rx-24904-21cut10:39:583
29805050,0irq/28-eth0-rx-21593-21ssh10:58:383
29805050,0irq/28-eth0-rx-0-21swapper/312:04:573
29805050,0irq/28-eth0-rx-0-21swapper/310:29:563
29805050,0irq/28-eth0-rx-0-21swapper/310:29:563
29805050,0irq/28-eth0-rx-0-21swapper/310:15:343
29805050,0irq/28-eth0-rx-0-21swapper/309:54:503
29805050,0irq/28-eth0-rx-0-21swapper/308:19:533
27150,0ktimersoftd/20-21swapper/209:25:062
259950,0migration/229385-21irqcore09:09:542
259950,0migration/215869-21sh11:14:502
259950,0migration/213555-21switchtime11:10:052
259950,0migration/211708-21irqrtprio10:14:552
249950,0watchdog/20-21swapper/212:38:182
238059955,0cyclictest0-21swapper/212:14:392
238059955,0cyclictest0-21swapper/211:54:572
238059955,0cyclictest0-21swapper/209:19:392
238059950,0cyclictest0-21swapper/212:26:102
238059950,0cyclictest0-21swapper/211:22:562
238049955,0cyclictest0-21swapper/112:20:381
238049955,0cyclictest0-21swapper/111:58:141
238049955,0cyclictest0-21swapper/110:15:081
238049955,0cyclictest0-21swapper/109:40:461
238049954,0cyclictest2385-21kthreadcore11:04:571
238049950,0cyclictest0-21swapper/112:31:491
238049950,0cyclictest0-21swapper/111:46:151
238049950,0cyclictest0-21swapper/110:14:021
238039955,0cyclictest0-21swapper/012:20:060
238039950,0cyclictest0-21swapper/011:31:040
238039950,0cyclictest0-21swapper/011:06:570
238039950,0cyclictest0-21swapper/009:37:150
238039950,0cyclictest0-21swapper/009:33:180
19150,0ktimersoftd/10-21swapper/111:02:451
19150,0ktimersoftd/10-21swapper/110:45:021
19150,0ktimersoftd/10-21swapper/109:25:061
179950,0migration/18417-21kthreadcore10:49:561
179950,0migration/131107-21kthreadcore07:39:571
179950,0migration/123207-21kthreadcore11:34:581
179950,0migration/117844-21kthreadcore08:59:561
179950,0migration/116864-21munin-node11:14:541
179950,0migration/110564-21sh09:17:401
149950,0migration/07154-21kthreadcore10:09:560
149950,0migration/06585-21cpuspeed_turbos08:09:490
149950,0migration/06150-21taskset08:53:440
149950,0migration/06023-21kthreadcore11:44:550
149950,0migration/04324-21kernelversion08:29:540
149950,0migration/03845-21aten_r1power_po10:29:500
149950,0migration/03845-21aten_r1power_po10:29:500
149950,0migration/030702-21taskset09:47:530
149950,0migration/025574-21sh12:38:340
149950,0migration/02414-21latency_hist07:44:380
149950,0migration/023924-21kthreadcore09:24:560
149950,0migration/023855-21taskset08:40:550
149950,0migration/023260-21kthreadcore11:54:580
149950,0migration/022921-21kthreadcore09:04:560
149950,0migration/02155-21sh11:44:000
149950,0migration/018944-21kthreadcore08:59:560
149950,0migration/017735-21runrttasks10:17:290
149950,0migration/017700-21kthreadcore12:09:590
149950,0migration/014638-21kthreadcore12:29:570
149950,0migration/014160-21kthreadcore09:19:560
339940,0migration/326751-21switchtime07:35:023
339940,0migration/313343-21taskset08:57:503
329940,0watchdog/30-21swapper/309:11:453
329940,0watchdog/30-21swapper/308:59:573
329940,0watchdog/30-21swapper/308:44:493
329940,0watchdog/30-21swapper/307:49:573
329940,0watchdog/30-21swapper/307:39:533
329940,0watchdog/30-21swapper/307:19:533
29815040,0irq/29-eth0-tx-26423-21ssh11:39:402
29815040,0irq/29-eth0-tx-20212-21ssh10:39:482
29815040,0irq/29-eth0-tx-0-21swapper/211:24:442
29815040,0irq/29-eth0-tx-0-21swapper/210:54:512
29815040,0irq/29-eth0-tx-0-21swapper/210:50:382
29815040,0irq/29-eth0-tx-0-21swapper/210:44:472
29815040,0irq/29-eth0-tx-0-21swapper/210:34:442
29815040,0irq/29-eth0-tx-0-21swapper/210:19:572
29815040,0irq/29-eth0-tx-0-21swapper/209:44:422
29815040,0irq/29-eth0-tx-0-21swapper/209:34:442
29815040,0irq/29-eth0-tx-0-21swapper/008:44:520
29805040,0irq/28-eth0-rx-23150-21munin-node07:54:593
29805040,0irq/28-eth0-rx-0-21swapper/312:17:033
29805040,0irq/28-eth0-rx-0-21swapper/311:14:543
29805040,0irq/28-eth0-rx-0-21swapper/310:24:493
29805040,0irq/28-eth0-rx-0-21swapper/310:24:493
29805040,0irq/28-eth0-rx-0-21swapper/308:39:593
29805040,0irq/28-eth0-rx-0-21swapper/308:36:493
259940,0migration/28068-21kthreadcore07:44:552
259940,0migration/26290-21kthreadcore11:44:552
259940,0migration/23701-21gltestperf08:29:512
259940,0migration/228878-21kthreadcore08:44:542
259940,0migration/227677-21kthreadcore12:19:522
259940,0migration/226290-21aten_r1power_en12:39:502
259940,0migration/225124-21munin-node07:14:542
259940,0migration/224868-21kthreadcore07:34:552
259940,0migration/222950-21kthreadcore08:39:572
259940,0migration/222776-21kthreadcore08:19:532
259940,0migration/218741-21kthreadcore09:59:572
259940,0migration/217072-21latency_hist08:39:382
259940,0migration/216401-21kthreadcore08:59:552
259940,0migration/213885-21latency09:54:562
259940,0migration/210872-21munin-node07:49:552
249940,0watchdog/214270-21fschecks_time12:09:542
249940,0watchdog/20-21swapper/207:39:532
238059944,0cyclictest305350irq/27-eth108:05:352
238059943,0cyclictest7596-21awk08:54:532
238059943,0cyclictest3571-21lldpd08:51:452
238059943,0cyclictest32129-21ps11:59:582
238059943,0cyclictest18166-21awk07:54:542
238049944,0cyclictest0-21swapper/112:38:551
238049944,0cyclictest0-21swapper/112:16:321
238049944,0cyclictest0-21swapper/109:48:391
238049943,0cyclictest7361-21awk08:09:521
238049943,0cyclictest32364-21awk07:19:521
238049943,0cyclictest27661-21awk11:39:551
238049943,0cyclictest27412-21awk12:39:541
238049943,0cyclictest12753-21awk10:34:541
238049943,0cyclictest10513-21awk11:29:561
238039944,0cyclictest0-21swapper/011:01:450
238039944,0cyclictest0-21swapper/010:57:390
238039944,0cyclictest0-21swapper/010:53:330
238039943,0cyclictest4175-21awk09:14:540
238039943,0cyclictest3571-21lldpd11:21:160
238039943,0cyclictest3571-21lldpd10:42:150
238039943,0cyclictest3571-21lldpd10:23:450
238039943,0cyclictest3524-21snmpd11:18:560
238039943,0cyclictest32729-21awk09:49:550
238039943,0cyclictest28742-21awk07:39:540
238039943,0cyclictest20510-21munin-node07:34:500
238039943,0cyclictest14572-21awk08:14:530
179940,0migration/19845-21runrttasks10:29:581
179940,0migration/19845-21runrttasks10:29:581
179940,0migration/17942-21irqrtprio08:54:541
179940,0migration/15451-21kthreadcore11:24:561
179940,0migration/14449-21kthreadcore12:24:581
179940,0migration/14409-21kthreadcore08:29:551
179940,0migration/14231-21kthreadcore09:49:581
179940,0migration/129771-21kthreadcore09:09:551
179940,0migration/125124-21gltestperf07:59:521
179940,0migration/123269-21kthreadcore09:04:561
179940,0migration/123244-21kthreadcore10:19:561
179940,0migration/121794-21kthreadcore07:54:561
179940,0migration/118655-21sh11:51:411
179940,0migration/117180-21kthreadcore10:54:571
179940,0migration/116451-21kthreadcore08:14:551
179940,0migration/115691-21kthreadcore08:34:561
179940,0migration/115209-21kthreadcore12:09:581
179940,0migration/112310-21fschecks_time09:19:521
179940,0migration/111685-21needreboot09:34:581
179940,0migration/111628-21kthreadcore07:49:571
169940,0watchdog/14103-21ssh12:03:261
169940,0watchdog/13304-21ssh10:29:211
169940,0watchdog/13304-21ssh10:29:211
169940,0watchdog/130073-21gltestperf09:29:531
169940,0watchdog/124392sleep108:29:171
169940,0watchdog/120498-21kthreadcore09:59:571
169940,0watchdog/11098-21ssh10:09:331
169940,0watchdog/10-21swapper/109:54:571
149940,0migration/0562-21kthreadcore07:19:540
149940,0migration/030874-21kthreadcore08:24:560
149940,0migration/027325-21kthreadcore10:04:570
149940,0migration/025336-21irqcore07:14:550
149940,0migration/019546-21kthreadcore09:59:570
149940,0migration/016688-21runrttasks08:36:180
149940,0migration/012974-21kthreadcore11:09:580
329930,0watchdog/30-21swapper/308:50:013
329930,0watchdog/30-21swapper/308:33:413
329930,0watchdog/30-21swapper/308:10:013
329930,0watchdog/30-21swapper/307:44:493
29815030,0irq/29-eth0-tx-0-21swapper/008:19:470
29815030,0irq/29-eth0-tx-0-21swapper/008:04:480
29805030,0irq/28-eth0-rx-0-21swapper/307:24:483
29805030,0irq/28-eth0-rx-0-21swapper/307:14:503
249930,0watchdog/20-21swapper/208:24:572
249930,0watchdog/20-21swapper/208:14:452
249930,0watchdog/20-21swapper/207:24:572
238059933,0cyclictest3571-21lldpd07:30:442
238059932,0cyclictest3524-21snmpd08:10:092
238059932,0cyclictest32316-21awk07:19:522
238059932,0cyclictest26660-21kthreadcore07:59:562
238049932,0cyclictest8334-21awk11:09:551
238049932,0cyclictest5263-21sensors08:04:591
238049932,0cyclictest24446-21stty08:44:471
238039932,0cyclictest5596-21cut12:24:580
238039932,0cyclictest32264-21cut11:59:580
238039932,0cyclictest30324-21cut12:39:560
238039932,0cyclictest25160-21ssh11:36:410
238039932,0cyclictest15678-21cut10:34:560
238039932,0cyclictest13456-21kthreadcore11:49:560
238039930,0cyclictest10553-21perl07:49:530
179930,0migration/127380-21runrttasks07:38:481
179930,0migration/120005-21runrttasks07:31:361
169930,0watchdog/10-21swapper/111:19:461
169930,0watchdog/10-21swapper/110:39:571
169930,0watchdog/10-21swapper/108:19:531
169930,0watchdog/10-21swapper/107:14:571
10962230,0sleep111076-21ps12:05:011
238049920,0cyclictest0-21swapper/108:39:381
238039920,0cyclictest0-21swapper/012:14:470
169920,0watchdog/10-21swapper/108:49:451
169920,0watchdog/10-21swapper/107:44:411
169920,0watchdog/10-21swapper/107:24:411
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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