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2026-05-24 - 15:22
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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 Sun May 24, 2026 12:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41568452363281,28sleep10-21swapper/107:07:181
41569552273204,54sleep00-21swapper/007:08:290
1123872540,4sleep0112390-21acpi11:25:120
949552530,6sleep00-21swapper/011:00:250
179699520,4rtkit-daemon1795-21rtkit-daemon10:35:081
179699500,3rtkit-daemon1795-21rtkit-daemon11:58:420
179699460,4rtkit-daemon1795-21rtkit-daemon12:07:320
179699390,3rtkit-daemon0-21swapper/009:46:530
179699370,3rtkit-daemon0-21swapper/012:24:190
179699360,6rtkit-daemon124338-21mailstats11:40:221
179699360,4rtkit-daemon1795-21rtkit-daemon11:46:211
179699360,3rtkit-daemon0-21swapper/107:19:200
179699360,3rtkit-daemon0-21swapper/009:22:480
415721199350,2cyclictest152907-21cat12:20:011
179699350,3rtkit-daemon1795-21rtkit-daemon10:44:571
179699350,3rtkit-daemon0-21swapper/110:09:331
179699350,3rtkit-daemon0-21swapper/107:54:090
4157211993430,2cyclictest18150irq/39-mmc009:55:031
415721199340,32cyclictest0-21swapper/107:45:151
4157207993420,2cyclictest126044-21rm11:43:190
179699340,4rtkit-daemon1795-21rtkit-daemon08:55:451
179699340,3rtkit-daemon0-21swapper/110:21:191
179699340,3rtkit-daemon0-21swapper/011:55:021
179699340,3rtkit-daemon0-21swapper/009:52:220
179699340,3rtkit-daemon0-21swapper/009:43:551
179699340,3rtkit-daemon0-21swapper/007:34:160
179699330,4rtkit-daemon1795-21rtkit-daemon07:18:111
179699330,3rtkit-daemon1795-21rtkit-daemon11:05:290
179699330,3rtkit-daemon0-21swapper/112:28:460
179699330,3rtkit-daemon0-21swapper/112:11:570
179699330,3rtkit-daemon0-21swapper/108:50:280
179699330,3rtkit-daemon0-21swapper/011:30:041
4157211993229,2cyclictest10798-21kworker/1:009:25:011
179699320,3rtkit-daemon1795-21rtkit-daemon10:56:110
179699320,3rtkit-daemon1795-21rtkit-daemon07:35:270
179699320,3rtkit-daemon1795-21rtkit-daemon07:35:260
179699320,3rtkit-daemon1795-21rtkit-daemon07:22:040
179699320,3rtkit-daemon0-21swapper/111:39:580
179699320,3rtkit-daemon0-21swapper/110:33:201
179699320,3rtkit-daemon0-21swapper/109:05:410
179699320,3rtkit-daemon0-21swapper/108:05:280
179699320,3rtkit-daemon0-21swapper/107:48:280
179699320,3rtkit-daemon0-21swapper/011:05:571
4157211993127,3cyclictest66950irq/132-enp2s009:39:121
4157211993124,5cyclictest144071-21sh12:06:531
179699310,5rtkit-daemon126798-21apt-get11:45:050
179699310,4rtkit-daemon1795-21rtkit-daemon12:01:431
179699310,4rtkit-daemon1795-21rtkit-daemon08:08:091
179699310,3rtkit-daemon0-21swapper/110:10:330
179699310,3rtkit-daemon0-21swapper/110:03:330
179699310,3rtkit-daemon0-21swapper/108:55:240
179699310,3rtkit-daemon0-21swapper/009:47:431
179699310,21rtkit-daemon0-21swapper/108:37:251
4157211993011,2cyclictest0-21swapper/109:19:551
415720799309,5cyclictest13-21ksoftirqd/010:08:310
4157207993025,3cyclictest13-21ksoftirqd/010:50:010
179699300,4rtkit-daemon1795-21rtkit-daemon11:35:481
179699300,4rtkit-daemon1795-21rtkit-daemon11:11:231
179699300,3rtkit-daemon1795-21rtkit-daemon12:31:191
179699300,3rtkit-daemon1795-21rtkit-daemon12:12:431
179699300,3rtkit-daemon1795-21rtkit-daemon10:14:371
179699300,3rtkit-daemon1795-21rtkit-daemon07:56:241
179699300,3rtkit-daemon0-21swapper/112:32:370
179699300,3rtkit-daemon0-21swapper/111:10:170
179699300,3rtkit-daemon0-21swapper/110:21:260
179699300,3rtkit-daemon0-21swapper/110:15:160
179699300,3rtkit-daemon0-21swapper/011:26:191
179699300,3rtkit-daemon0-21swapper/009:32:211
179699300,3rtkit-daemon0-21swapper/007:36:091
179699300,3rtkit-daemon0-21swapper/007:36:091
179699300,3rtkit-daemon0-21swapper/007:25:441
179699300,3rtkit-daemon0-21swapper/007:10:261
179699300,3rtkit-daemon0-21swapper/007:10:261
4157211992925,3cyclictest4171921-1kworker/1:1H07:55:011
415720799299,9cyclictest13-21ksoftirqd/012:39:430
179699290,3rtkit-daemon1795-21rtkit-daemon08:10:291
179699290,3rtkit-daemon0-21swapper/110:43:110
179699290,3rtkit-daemon0-21swapper/108:44:570
179699290,3rtkit-daemon0-21swapper/007:21:511
4157211992812,10cyclictest7497-21apt-get09:00:151
4157207992812,10cyclictest21340-1kworker/u9:209:40:130
179699280,4rtkit-daemon110803-21ssh11:22:130
179699280,3rtkit-daemon0-21swapper/108:45:460
179699280,3rtkit-daemon0-21swapper/007:34:221
4157207992710,10cyclictest26979-21apt-get09:30:140
179699270,3rtkit-daemon0-21swapper/108:16:410
179699270,3rtkit-daemon0-21swapper/010:26:591
4157211992612,8cyclictest66950irq/132-enp2s012:20:141
4157207992622,3cyclictest13-21ksoftirqd/008:05:000
4157207992611,9cyclictest45422-1kworker/u9:109:55:140
4157207992611,6cyclictest13-21ksoftirqd/009:25:120
179699260,3rtkit-daemon0-21swapper/011:21:161
179699260,3rtkit-daemon0-21swapper/008:20:511
179699260,1rtkit-daemon1795-21rtkit-daemon09:18:100
179699260,1rtkit-daemon1795-21rtkit-daemon08:45:221
179699260,1rtkit-daemon1795-21rtkit-daemon07:10:330
179699260,1rtkit-daemon1795-21rtkit-daemon07:10:320
179699260,16rtkit-daemon68389-21apt-get10:25:130
415721199259,4cyclictest4171903-21ls07:44:591
4157211992510,5cyclictest0-21swapper/111:50:051
415720799256,3cyclictest13-21ksoftirqd/011:52:300
415720799255,6cyclictest30810-21apt-get09:35:110
4157207992521,2cyclictest41832782sleep008:11:310
4157207992510,4cyclictest13-21ksoftirqd/009:12:300
4157207992510,3cyclictest13-21ksoftirqd/012:00:170
179699250,20rtkit-daemon1795-21rtkit-daemon07:42:500
179699250,1rtkit-daemon1795-21rtkit-daemon12:36:151
179699250,1rtkit-daemon1795-21rtkit-daemon11:33:160
179699250,1rtkit-daemon1795-21rtkit-daemon07:25:370
179699250,19rtkit-daemon890-21lldpd09:14:311
415721199242,15cyclictest4187743-21apt-get08:25:151
4157211992412,7cyclictest66950irq/132-enp2s012:25:141
415721199240,6cyclictest0-21swapper/109:24:391
415720799248,14cyclictest141rcu_preempt10:30:070
415720799245,4cyclictest13-21ksoftirqd/010:35:590
179699240,3rtkit-daemon0-21swapper/007:58:100
179699240,1rtkit-daemon1795-21rtkit-daemon10:03:131
415721199238,9cyclictest90454-21apt-get10:55:141
415721199238,10cyclictest24649-21kworker/u8:009:50:121
415721199234,17cyclictest0-21swapper/109:05:161
415721199233,12cyclictest4177974-21apt-get08:00:111
415721199232,6cyclictest4193617-21apt-get08:40:111
415721199232,12cyclictest64430-21munin-run10:20:001
4157211992320,2cyclictest66950irq/132-enp2s010:50:451
415720799232,8cyclictest13-21ksoftirqd/011:15:230
415720799231,4cyclictest13-21ksoftirqd/010:50:330
179699230,1rtkit-daemon1795-21rtkit-daemon08:31:330
179699230,1rtkit-daemon1795-21rtkit-daemon08:24:280
415721199223,11cyclictest104974-21apt-get11:15:121
415721199222,14cyclictest3577-21apt-get08:50:141
415720799225,4cyclictest13-21ksoftirqd/008:30:010
415720799221,4cyclictest141rcu_preempt08:35:120
415721199213,16cyclictest94257-21diskstats11:00:181
415721199212,13cyclictest4189690-21apt-get08:30:111
415721199212,11cyclictest4183818-21apt-get08:15:131
4157207992114,5cyclictest13-21ksoftirqd/012:19:590
415721199198,9cyclictest84961-21rm10:47:071
415720799190,2cyclictest0-21swapper/009:00:140
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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