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2025-11-28 - 20:02
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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 Fri Nov 28, 2025 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6645592275214,46sleep10-21swapper/107:06:291
6646452243200,28sleep00-21swapper/007:07:260
125899600,6rtkit-daemon1257-21rtkit-daemon08:55:141
8510942590,4sleep10-21swapper/112:10:431
8080352560,3sleep00-21swapper/011:14:090
125899530,4rtkit-daemon1257-21rtkit-daemon11:43:280
125899530,4rtkit-daemon1257-21rtkit-daemon10:45:351
8058342520,2chrt804903-21/usr/sbin/munin11:10:211
125899510,4rtkit-daemon1257-21rtkit-daemon09:01:160
125899500,3rtkit-daemon1257-21rtkit-daemon12:32:180
125899460,3rtkit-daemon1257-21rtkit-daemon07:15:061
125899420,4rtkit-daemon0-21swapper/010:58:140
125899390,5rtkit-daemon714805-21memory09:10:170
125899390,4rtkit-daemon853249-21apt-get12:15:131
125899390,3rtkit-daemon0-21swapper/108:06:221
7525162380,4sleep00-21swapper/010:00:160
125899380,3rtkit-daemon0-21swapper/107:10:101
125899370,7rtkit-daemon243-21jbd2/mmcblk0p2-09:05:210
125899370,6rtkit-daemon734509-21users09:35:271
125899370,3rtkit-daemon0-21swapper/012:03:320
125899370,3rtkit-daemon0-21swapper/010:50:021
125899360,4rtkit-daemon0-21swapper/108:54:071
125899360,3rtkit-daemon0-21swapper/012:14:100
125899360,3rtkit-daemon0-21swapper/009:54:121
664989993520,5cyclictest731500-21rm09:32:130
125899350,6rtkit-daemon761649-21ssh10:11:481
125899350,4rtkit-daemon1257-21rtkit-daemon09:40:370
125899350,4rtkit-daemon1257-21rtkit-daemon07:23:221
125899350,3rtkit-daemon1257-21rtkit-daemon09:23:170
125899350,3rtkit-daemon0-21swapper/109:47:201
125899350,3rtkit-daemon0-21swapper/107:56:380
125899350,3rtkit-daemon0-21swapper/012:05:460
664993993432,1cyclictest0-21swapper/112:31:531
125899340,4rtkit-daemon1257-21rtkit-daemon11:59:431
125899340,3rtkit-daemon0-21swapper/108:22:420
125899340,3rtkit-daemon0-21swapper/107:32:381
125899340,3rtkit-daemon0-21swapper/009:15:050
125899330,6rtkit-daemon685-21irqbalance09:44:301
125899330,4rtkit-daemon1257-21rtkit-daemon12:22:041
125899330,4rtkit-daemon1257-21rtkit-daemon11:09:400
125899330,4rtkit-daemon1257-21rtkit-daemon09:05:391
125899330,4rtkit-daemon1257-21rtkit-daemon08:02:191
125899330,3rtkit-daemon1257-21rtkit-daemon10:52:400
125899330,3rtkit-daemon1257-21rtkit-daemon09:35:340
7293322320,3sleep10-21swapper/109:30:141
66499399321,29cyclictest837965-21python311:55:021
125899320,4rtkit-daemon1257-21rtkit-daemon11:38:490
125899320,4rtkit-daemon0-21swapper/111:58:290
125899320,3rtkit-daemon0-21swapper/108:44:510
125899320,3rtkit-daemon0-21swapper/107:43:270
125899320,3rtkit-daemon0-21swapper/011:49:291
664993993128,2cyclictest63750irq/132-enp2s009:24:131
664989993110,5cyclictest13-21ksoftirqd/012:27:530
125899310,4rtkit-daemon1257-21rtkit-daemon10:09:321
125899310,4rtkit-daemon1257-21rtkit-daemon08:44:451
125899310,4rtkit-daemon1257-21rtkit-daemon07:41:081
125899310,3rtkit-daemon0-21swapper/111:27:060
125899310,3rtkit-daemon0-21swapper/110:44:470
66498999302,3cyclictest141rcu_preempt10:35:000
664989993013,4cyclictest13-21ksoftirqd/010:05:150
125899300,4rtkit-daemon0-21swapper/112:23:300
125899300,3rtkit-daemon0-21swapper/112:39:240
125899300,3rtkit-daemon0-21swapper/107:23:370
125899300,3rtkit-daemon0-21swapper/107:15:550
125899300,3rtkit-daemon0-21swapper/008:49:421
664993992913,10cyclictest868150-21apt-get12:35:171
125899290,3rtkit-daemon0-21swapper/107:28:440
125899290,3rtkit-daemon0-21swapper/010:22:581
125899290,3rtkit-daemon0-21swapper/010:00:481
66499399280,9cyclictest7758432sh10:30:351
66499399280,7cyclictest725874-21df09:25:141
125899280,4rtkit-daemon1257-21rtkit-daemon08:34:450
125899280,3rtkit-daemon0-21swapper/107:11:030
125899280,3rtkit-daemon0-21swapper/011:43:551
125899280,23rtkit-daemon664982-21cyclictest09:03:491
8196472275,19sleep00-21swapper/011:30:100
66499399273,16cyclictest823415-21apt-get11:35:131
664993992724,2cyclictest63750irq/132-enp2s010:26:101
66499399270,6cyclictest0-21swapper/107:51:361
664989992712,4cyclictest13-21ksoftirqd/011:01:240
125899270,3rtkit-daemon0-21swapper/011:15:421
125899270,22rtkit-daemon664982-21cyclictest08:16:280
125899270,18rtkit-daemon713895-21diskmemload09:53:220
6988792260,3sleep1664982-21cyclictest08:30:291
664993992622,3cyclictest663010-1kworker/1:2H08:10:221
664993992617,5cyclictest780046-21ssh10:35:441
664993992612,9cyclictest748180-21apt-get09:55:151
66498999269,5cyclictest13-21ksoftirqd/012:15:230
66498999264,7cyclictest13-21ksoftirqd/011:50:360
66498999264,12cyclictest13-21ksoftirqd/010:15:010
66498999262,4cyclictest13-21ksoftirqd/010:35:110
66498999261,19cyclictest685777-21apt-get08:00:140
125899260,21rtkit-daemon1257-21rtkit-daemon11:30:011
125899260,1rtkit-daemon1257-21rtkit-daemon12:25:251
125899260,1rtkit-daemon1257-21rtkit-daemon12:01:081
125899260,1rtkit-daemon1257-21rtkit-daemon10:47:320
66499399250,6cyclictest0-21swapper/110:55:551
66498999259,4cyclictest13-21ksoftirqd/009:56:120
66498999258,2cyclictest141rcu_preempt08:28:380
125899250,1rtkit-daemon1257-21rtkit-daemon10:21:290
125899250,1rtkit-daemon1257-21rtkit-daemon09:29:570
125899250,1rtkit-daemon1257-21rtkit-daemon07:25:451
66499399249,5cyclictest0-21swapper/109:15:031
66499399242,15cyclictest801217-21apt-get11:05:141
66499399242,14cyclictest845839-21apt-get12:05:161
66498999247,2cyclictest141rcu_preempt11:17:370
66498999247,15cyclictest141rcu_preempt11:46:140
664989992416,6cyclictest13-21ksoftirqd/009:50:000
66498999240,2cyclictest141rcu_preempt08:40:000
125899240,1rtkit-daemon1257-21rtkit-daemon07:50:370
125899240,18rtkit-daemon664982-21cyclictest07:39:200
66498999236,15cyclictest141rcu_preempt10:16:040
66498999234,12cyclictest770592-21apt-get10:25:140
66498999232,14cyclictest679497-21apt-get07:45:150
66499399227,5cyclictest0-21swapper/110:40:281
66499399222,14cyclictest797601-21apt-get11:00:151
664993992219,2cyclictest63750irq/132-enp2s010:18:541
66499399220,6cyclictest0-21swapper/109:10:221
66498999225,5cyclictest13-21ksoftirqd/011:22:370
66498999225,15cyclictest141rcu_preempt08:05:100
66499399213,11cyclictest815922-21apt-get11:25:151
66499399211,3cyclictest663010-1kworker/1:2H07:50:021
125899210,14rtkit-daemon0-21swapper/108:24:411
125899210,13rtkit-daemon0-21swapper/108:29:081
66499399202,13cyclictest675505-21apt-get07:35:121
66499399200,18cyclictest693878-21latency_hist08:20:001
66498999203,10cyclictest707702-21apt-get08:55:130
66498999202,11cyclictest703799-21apt-get08:45:140
664989992014,4cyclictest673648-21cpuspeed_turbos07:30:140
66499399191,8cyclictest814688-21ssh11:22:491
664993991910,7cyclictest684401-21memory07:55:181
66498999190,7cyclictest706665-21/usr/sbin/munin08:50:220
125899190,11rtkit-daemon0-21swapper/108:39:041
664989991810,6cyclictest691748-21seq08:14:140
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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