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2026-08-31 - 22:26
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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 highest latencies:
System rackcslot4.osadl.org (updated Mon Aug 31, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2849872259191,52sleep10-21swapper/107:06:031
2850852251189,47sleep00-21swapper/007:07:060
136599680,7rtkit-daemon1364-21rtkit-daemon12:25:141
136599630,4rtkit-daemon1364-21rtkit-daemon11:50:131
136599570,4rtkit-daemon1364-21rtkit-daemon10:51:020
136599560,5rtkit-daemon335314-21diskmemload11:37:540
136599560,4rtkit-daemon1364-21rtkit-daemon08:50:581
136599540,4rtkit-daemon1364-21rtkit-daemon10:10:171
136599540,3rtkit-daemon1364-21rtkit-daemon12:08:031
136599530,3rtkit-daemon0-21swapper/011:40:170
136599520,4rtkit-daemon1364-21rtkit-daemon11:21:420
136599520,4rtkit-daemon1364-21rtkit-daemon10:40:300
136599520,1rtkit-daemon1364-21rtkit-daemon11:15:140
136599510,4rtkit-daemon1364-21rtkit-daemon12:11:410
136599510,3rtkit-daemon1364-21rtkit-daemon10:41:211
136599510,3rtkit-daemon1364-21rtkit-daemon10:15:300
136599510,3rtkit-daemon1364-21rtkit-daemon10:11:360
136599510,3rtkit-daemon1364-21rtkit-daemon08:25:170
136599510,3rtkit-daemon1364-21rtkit-daemon07:50:210
136599500,4rtkit-daemon1364-21rtkit-daemon12:37:050
136599500,4rtkit-daemon1364-21rtkit-daemon09:27:480
136599500,4rtkit-daemon1364-21rtkit-daemon07:37:540
136599500,3rtkit-daemon1364-21rtkit-daemon09:38:190
136599490,4rtkit-daemon1364-21rtkit-daemon10:29:450
136599490,4rtkit-daemon1364-21rtkit-daemon07:33:110
136599490,4rtkit-daemon1364-21rtkit-daemon07:24:220
136599490,3rtkit-daemon1364-21rtkit-daemon11:47:320
136599490,3rtkit-daemon1364-21rtkit-daemon11:26:570
136599490,3rtkit-daemon1364-21rtkit-daemon10:04:140
136599490,3rtkit-daemon1364-21rtkit-daemon09:11:540
136599490,1rtkit-daemon1364-21rtkit-daemon11:09:350
136599480,4rtkit-daemon1364-21rtkit-daemon12:04:590
136599480,3rtkit-daemon1364-21rtkit-daemon08:00:590
136599470,3rtkit-daemon1364-21rtkit-daemon09:21:280
136599470,3rtkit-daemon1364-21rtkit-daemon09:04:130
136599470,3rtkit-daemon1364-21rtkit-daemon08:21:110
136599470,3rtkit-daemon1364-21rtkit-daemon08:21:100
136599470,1rtkit-daemon1364-21rtkit-daemon09:19:200
136599460,1rtkit-daemon1364-21rtkit-daemon11:00:260
136599450,1rtkit-daemon1364-21rtkit-daemon12:20:300
136599450,1rtkit-daemon1364-21rtkit-daemon11:59:220
136599450,1rtkit-daemon1364-21rtkit-daemon10:32:020
136599450,1rtkit-daemon1364-21rtkit-daemon07:10:030
136599440,3rtkit-daemon1364-21rtkit-daemon09:06:170
136599440,3rtkit-daemon0-21swapper/108:25:531
136599440,1rtkit-daemon1364-21rtkit-daemon12:08:470
136599440,1rtkit-daemon1364-21rtkit-daemon11:53:250
136599440,1rtkit-daemon1364-21rtkit-daemon09:56:400
136599440,1rtkit-daemon1364-21rtkit-daemon07:41:380
136599440,15rtkit-daemon359948-21ssh09:44:420
136599430,1rtkit-daemon1364-21rtkit-daemon12:33:110
136599430,1rtkit-daemon1364-21rtkit-daemon09:50:570
136599430,1rtkit-daemon1364-21rtkit-daemon09:48:530
136599420,1rtkit-daemon1364-21rtkit-daemon10:08:430
136599420,14rtkit-daemon0-21swapper/108:53:580
136599420,13rtkit-daemon0-21swapper/108:19:000
136599410,4rtkit-daemon1364-21rtkit-daemon11:19:231
136599410,4rtkit-daemon1364-21rtkit-daemon09:58:571
136599410,4rtkit-daemon1364-21rtkit-daemon08:46:351
136599410,1rtkit-daemon1364-21rtkit-daemon08:36:410
136599410,13rtkit-daemon0-21swapper/110:37:300
136599400,14rtkit-daemon0-21swapper/109:32:020
136599400,13rtkit-daemon0-21swapper/111:12:580
136599390,4rtkit-daemon1364-21rtkit-daemon07:12:451
136599390,13rtkit-daemon0-21swapper/110:45:320
136599380,12rtkit-daemon0-21swapper/111:32:060
136599360,11rtkit-daemon0-21swapper/112:17:510
285454993416,12cyclictest313467-21apt-get08:15:141
136599340,3rtkit-daemon1364-21rtkit-daemon08:10:351
136599340,3rtkit-daemon0-21swapper/011:39:091
285454993215,10cyclictest304786-21apt-get07:55:151
285454993012,12cyclictest329205-21apt-get08:55:131
285454992918,6cyclictest374498-21apt-get10:05:111
285454992912,11cyclictest300866-21apt-get07:45:141
28545499291,10cyclictest356386-21cron09:39:591
285454992813,10cyclictest333555-21apt-get09:05:141
28545499277,14cyclictest439639-21apt-get11:40:151
285454992712,4cyclictest26-21ksoftirqd/109:35:001
285454992711,11cyclictest290159-21apt-get07:20:131
136599270,3rtkit-daemon1364-21rtkit-daemon10:20:260
28545499266,18cyclictest0-21swapper/109:15:161
28545499263,15cyclictest292122-21apt-get07:25:151
28545499260,6cyclictest0-21swapper/111:02:461
28545499253,7cyclictest3144977-1kworker/u9:209:45:181
28545499252,16cyclictest453268-21apt-get12:00:141
28545499252,16cyclictest388281-21apt-get10:25:141
28545499251,6cyclictest335314-21diskmemload11:25:161
28545499251,4cyclictest459799-21python312:10:031
285454992511,8cyclictest397363-21kworker/u8:211:05:121
28545499251,11cyclictest469775-21ssh12:23:241
28545499249,9cyclictest302825-21apt-get07:50:141
28545499246,13cyclictest296861-21apt-get07:35:141
28545499244,3cyclictest141rcu_preempt11:30:121
285454992410,9cyclictest331597-21apt-get09:00:141
28545499240,11cyclictest335314-21diskmemload09:13:581
28545499239,10cyclictest346236-21apt-get09:25:111
28545499234,17cyclictest294303-21packagekitd07:30:021
28545499233,18cyclictest323130-21awk08:40:011
28545499233,13cyclictest342830-21apt-get09:20:121
28545499231,6cyclictest335314-21diskmemload10:58:211
28545499231,5cyclictest335314-21diskmemload09:40:011
28545499231,5cyclictest308559-21python308:05:001
28545499230,5cyclictest0-21swapper/111:56:541
28545499230,5cyclictest0-21swapper/111:13:101
136599230,4rtkit-daemon1364-21rtkit-daemon07:46:530
136599230,3rtkit-daemon1364-21rtkit-daemon07:15:410
28545499229,4cyclictest480680-21cron12:40:001
28545499226,10cyclictest438912-1kworker/u9:111:45:121
28545499223,17cyclictest398288-21latency_hist10:40:011
28545499223,12cyclictest463967-21apt-get12:15:121
28545499222,14cyclictest402044-21apt-get10:45:141
28545499221,7cyclictest335314-21diskmemload10:03:281
28545499221,11cyclictest26-21ksoftirqd/110:54:101
28545499220,9cyclictest281-20systemd-journal10:20:001
28545499220,6cyclictest0-21swapper/111:21:431
28545499220,5cyclictest316661-21unixbench_multi08:20:261
28545499220,5cyclictest316661-21unixbench_multi08:20:261
28545499220,20cyclictest474910-21ntp_states12:30:201
28545399222,14cyclictest408755-21apt-get10:55:150
28545399222,14cyclictest309135-21apt-get08:05:130
285453992210,6cyclictest323324-21apt-get08:40:150
136599220,7rtkit-daemon1364-21rtkit-daemon08:14:280
28545499213,10cyclictest298902-21apt-get07:40:141
28545499211,3cyclictest309451-21perl08:05:171
285454992113,6cyclictest391587-21seq10:30:031
285454992111,7cyclictest288174-21apt-get07:15:131
28545399212,13cyclictest470661-21apt-get12:25:150
28545499202,13cyclictest384796-21apt-get10:20:151
28545499202,13cyclictest323306-21/usr/sbin/munin08:40:271
28545499201,4cyclictest364799-21kworker/u8:009:50:571
28545399202,11cyclictest325285-21apt-get08:45:140
285453992014,4cyclictest292121-21apt07:25:120
28545499190,2cyclictest319684-21grep08:30:181
28545399192,12cyclictest319375-21apt-get08:30:120
28545399191,13cyclictest329205-21apt-get08:55:130
28545399170,6cyclictest306550-21munin-plugin-st08:00:010
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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