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2025-03-18 - 05:23
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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
Characteristics of the 792 highest latencies:
System rackcslot4.osadl.org (updated Tue Mar 18, 2025 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
333196199485481,2cyclictest3416027-21turbostat22:04:551
333196199448446,1cyclictest3386039-21turbostat21:24:551
333196199396380,15cyclictest3333825-21turbostat19:15:001
333196199396377,17cyclictest3473707-21turbostat23:20:001
333196199375372,2cyclictest3480271-21turbostat23:34:551
333196199370367,2cyclictest3348751-21turbostat19:55:011
333196199348344,3cyclictest3344178-21turbostat19:40:001
333196199334319,14cyclictest3352672-21turbostat20:05:011
333196199331328,2cyclictest3352672-21turbostat20:09:561
333196199310308,1cyclictest33461481turbostat19:44:591
333196199281278,2cyclictest3525470-21turbostat00:30:001
333196199278274,2cyclictest3454902-21turbostat22:55:001
33317982268195,28sleep10-21swapper/119:09:521
333196199256249,5cyclictest3448208-21turbostat22:45:001
333196199254248,4cyclictest3366881-21turbostat20:44:541
333196199253247,4cyclictest3390158-21turbostat21:29:551
333196199252245,5cyclictest3373105-21turbostat20:59:551
33315002252183,53sleep00-21swapper/019:06:390
333196199250243,5cyclictest3354623-21turbostat20:14:541
333196199249245,3cyclictest3522340-21turbostat00:25:001
333196199249243,4cyclictest3346148-21turbostat19:49:551
333196199249241,6cyclictest3381873-21turbostat21:14:591
333196199246240,4cyclictest3375060-21turbostat21:04:561
333196199245238,5cyclictest3444315-21turbostat22:40:011
333196199244237,5cyclictest3477663-21turbostat23:29:551
333196199243235,6cyclictest3434818-21turbostat22:29:551
333196199242240,1cyclictest3407874-21turbostat21:50:011
333196199240234,4cyclictest3407874-21turbostat21:54:551
333196199240233,5cyclictest3495332-21turbostat23:54:561
333196199236230,4cyclictest3333825-21turbostat19:19:551
333196199234228,4cyclictest3469646-21turbostat23:15:001
333196199232225,5cyclictest3416027-21turbostat22:00:001
333196199227220,5cyclictest3373105-21turbostat20:55:011
333196199226220,4cyclictest3488379-21turbostat23:44:551
333196199226219,5cyclictest3405383-21turbostat21:44:591
333196199224218,4cyclictest3437363-21turbostat22:34:551
333196199223216,5cyclictest3525470-21turbostat00:34:551
333196199223216,5cyclictest3422599-21turbostat22:10:001
333196199222216,4cyclictest3336360-21turbostat19:24:551
333196199222206,14cyclictest3366881-21turbostat20:40:001
333196199220214,4cyclictest3361016-21turbostat20:29:551
333196199219213,4cyclictest3371143-21turbostat20:50:001
333196199219213,4cyclictest3350714-21turbostat20:00:001
333196199214208,4cyclictest3426777-21turbostat22:14:591
333196199212206,4cyclictest3426777-21turbostat22:19:541
333196199211205,4cyclictest3396877-21turbostat21:35:011
333196199203200,2cyclictest3509938-21turbostat00:10:001
333196199201192,7cyclictest3458977-21turbostat23:00:001
333196199200193,5cyclictest3462905-21turbostat23:09:551
333196199199193,4cyclictest3396877-21turbostat21:39:551
333196199189183,4cyclictest3458977-21turbostat23:04:551
333196199184175,7cyclictest3342226-21turbostat19:35:001
333196199182176,4cyclictest3377012-21turbostat21:09:561
333196199178172,4cyclictest3514114-21turbostat00:15:011
333196199172166,4cyclictest3495332-21turbostat23:50:011
333196199166160,4cyclictest3477663-21turbostat23:25:001
333196199166160,4cyclictest3356568-21turbostat20:19:551
333196199166158,6cyclictest3386039-21turbostat21:20:001
333196199163157,4cyclictest3529517-21turbostat00:39:551
333196199163157,4cyclictest3529517-21turbostat00:39:541
333196199154147,5cyclictest3450825-21turbostat22:50:001
333196199149144,3cyclictest3362969-21turbostat20:34:561
333196199135121,3cyclictest3338322-21turbostat19:29:551
333196199134129,4cyclictest3507447-21turbostat00:05:001
333196199129123,4cyclictest3434818-21turbostat22:25:001
333196199127120,5cyclictest3488379-21turbostat23:40:001
333196199120115,3cyclictest3499394-21turbostat23:59:551
333196199119114,4cyclictest3514114-21turbostat00:19:561
33319619910398,4cyclictest3359000-21turbostat20:24:551
34825562530,3sleep00-21swapper/023:31:380
128499500,4rtkit-daemon1283-21rtkit-daemon22:50:080
128499500,3rtkit-daemon1283-21rtkit-daemon00:12:590
128499480,4rtkit-daemon1283-21rtkit-daemon21:51:470
128499440,3rtkit-daemon1283-21rtkit-daemon22:28:170
128499410,9rtkit-daemon3352598-21chrt20:04:220
128499410,5rtkit-daemon3377673-21diskmemload21:11:510
128499370,3rtkit-daemon0-21swapper/023:49:520
128499350,3rtkit-daemon0-21swapper/122:59:290
128499350,3rtkit-daemon0-21swapper/121:32:310
128499340,4rtkit-daemon0-21swapper/100:38:470
128499340,4rtkit-daemon0-21swapper/100:38:470
128499340,3rtkit-daemon1283-21rtkit-daemon22:09:410
128499340,3rtkit-daemon0-21swapper/123:44:090
128499340,3rtkit-daemon0-21swapper/100:32:130
128499340,3rtkit-daemon0-21swapper/020:55:230
128499330,3rtkit-daemon0-21swapper/121:37:060
128499320,4rtkit-daemon1283-21rtkit-daemon20:32:440
128499320,3rtkit-daemon0-21swapper/119:26:350
333195799310,10cyclictest33480002/usr/sbin/munin19:50:190
128499310,3rtkit-daemon0-21swapper/123:22:280
128499310,3rtkit-daemon0-21swapper/023:54:430
333195799300,9cyclictest34594231cpuspeed_turbos23:00:140
128499300,3rtkit-daemon0-21swapper/120:12:140
128499300,3rtkit-daemon0-21swapper/100:21:170
333195799298,2cyclictest3518064-21turbostat00:20:010
3331957992912,10cyclictest3340480-21apt-get19:30:160
128499290,4rtkit-daemon1283-21rtkit-daemon20:36:450
128499290,3rtkit-daemon0-21swapper/120:25:170
128499290,3rtkit-daemon0-21swapper/119:55:310
128499280,3rtkit-daemon0-21swapper/119:22:200
128499270,3rtkit-daemon0-21swapper/122:17:530
128499270,3rtkit-daemon0-21swapper/119:35:470
128499270,3rtkit-daemon0-21swapper/119:11:210
128499260,1rtkit-daemon1283-21rtkit-daemon21:00:210
33926872250,1sleep03377673-21diskmemload21:29:490
333195799252,15cyclictest3422830-21apt-get22:10:070
3331957992512,8cyclictest3463575-1kworker/u9:223:15:140
333195799250,6cyclictest0-21swapper/020:41:530
128499250,4rtkit-daemon3446171-21ssh22:40:510
333195799243,14cyclictest3344406-21apt-get19:40:170
333195799242,14cyclictest3465835-21apt-get23:10:100
3331957992413,4cyclictest3377673-21diskmemload21:20:110
3331957992411,8cyclictest3379410-1kworker/u9:121:15:140
333195799240,5cyclictest0-21swapper/022:24:350
3331957992310,3cyclictest141rcu_preempt20:10:000
333195799230,6cyclictest0-21swapper/020:51:140
128499230,1rtkit-daemon1283-21rtkit-daemon21:56:040
128499230,1rtkit-daemon1283-21rtkit-daemon21:07:530
333195799223,10cyclictest3357072-21appstreamcli20:15:050
333195799222,12cyclictest3416332-21apt-get22:00:130
3331957992210,3cyclictest141rcu_preempt00:25:020
128499220,15rtkit-daemon0-21swapper/000:00:250
128499220,12rtkit-daemon13-21ksoftirqd/019:46:120
333195799212,6cyclictest13-21ksoftirqd/021:44:270
333195799212,13cyclictest3360856-21apt-get20:23:480
333195799212,13cyclictest3334604-21apt-get19:15:170
333195799205,3cyclictest3377673-21diskmemload23:39:510
3331957992012,6cyclictest3480291-21systemd-run23:30:000
3331957992011,6cyclictest3443435-21seq22:38:180
3331957992011,5cyclictest3377673-21diskmemload23:08:520
333195799201,13cyclictest3437604-21apt-get22:30:090
3331957992010,8cyclictest0-21swapper/000:05:470
128499200,14rtkit-daemon0-21swapper/020:45:020
333195799199,6cyclictest3499659-21apt-get23:55:140
128499190,12rtkit-daemon0-21swapper/021:46:190
333195799189,5cyclictest3377673-21diskmemload22:45:130
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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