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2026-03-20 - 21:30
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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 100 highest latencies:
System rackcslot4.osadl.org (updated Fri Mar 20, 2026 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6096592261201,45sleep10-21swapper/107:06:071
6082642260182,28sleep00-21swapper/007:05:050
7705722690,4sleep1770546-21apt-get11:45:011
7706972650,4sleep0770584-21python311:45:010
7215132630,4sleep10-21swapper/110:35:251
179699630,8rtkit-daemon1795-21rtkit-daemon07:45:140
179699530,4rtkit-daemon1795-21rtkit-daemon11:22:060
179699520,3rtkit-daemon1795-21rtkit-daemon11:47:140
179699510,4rtkit-daemon1795-21rtkit-daemon10:22:200
179699510,4rtkit-daemon1795-21rtkit-daemon08:31:021
179699510,3rtkit-daemon1795-21rtkit-daemon10:58:150
179699510,3rtkit-daemon1795-21rtkit-daemon09:29:280
179699500,4rtkit-daemon1795-21rtkit-daemon12:19:430
6479632490,4sleep0646938-21/usr/sbin/munin08:40:220
179699490,4rtkit-daemon1795-21rtkit-daemon09:06:361
179699480,3rtkit-daemon1795-21rtkit-daemon07:21:440
6847612470,4sleep1684102-21/usr/sbin/munin09:45:181
179699470,3rtkit-daemon1795-21rtkit-daemon09:31:180
7869842460,2sleep0786986-21sh12:06:190
179699460,2rtkit-daemon1795-21rtkit-daemon08:36:320
7546352450,3sleep10-21swapper/111:22:591
8017512420,3sleep0610144-21cyclictest12:27:510
179699390,5rtkit-daemon674031-21cat09:30:201
179699390,5rtkit-daemon631826-21grep08:00:221
179699390,3rtkit-daemon0-21swapper/110:05:051
179699390,3rtkit-daemon0-21swapper/008:17:030
179699390,3rtkit-daemon0-21swapper/008:17:020
179699370,4rtkit-daemon1795-21rtkit-daemon09:10:250
179699370,3rtkit-daemon0-21swapper/010:34:260
179699360,4rtkit-daemon1795-21rtkit-daemon11:09:200
179699360,3rtkit-daemon0-21swapper/009:46:420
179699360,3rtkit-daemon0-21swapper/009:09:230
179699360,3rtkit-daemon0-21swapper/007:40:270
179699350,4rtkit-daemon1795-21rtkit-daemon09:39:210
179699350,4rtkit-daemon1795-21rtkit-daemon08:21:250
179699350,3rtkit-daemon0-21swapper/107:27:350
179699350,3rtkit-daemon0-21swapper/012:37:250
179699350,3rtkit-daemon0-21swapper/007:12:100
179699340,4rtkit-daemon1795-21rtkit-daemon09:21:480
179699340,3rtkit-daemon1795-21rtkit-daemon10:42:360
179699340,3rtkit-daemon0-21swapper/111:34:440
179699340,3rtkit-daemon0-21swapper/010:25:260
179699330,4rtkit-daemon1795-21rtkit-daemon11:02:390
179699330,4rtkit-daemon1795-21rtkit-daemon09:50:260
179699330,4rtkit-daemon1795-21rtkit-daemon07:25:081
179699330,3rtkit-daemon1795-21rtkit-daemon10:01:501
179699330,3rtkit-daemon0-21swapper/011:51:080
179699330,3rtkit-daemon0-21swapper/011:49:001
179699330,3rtkit-daemon0-21swapper/011:36:041
179699330,3rtkit-daemon0-21swapper/009:42:091
179699330,3rtkit-daemon0-21swapper/009:00:480
179699330,3rtkit-daemon0-21swapper/008:58:381
179699330,3rtkit-daemon0-21swapper/008:23:381
179699330,3rtkit-daemon0-21swapper/007:54:401
7469292320,4chrt0-21swapper/011:12:060
179699320,3rtkit-daemon1795-21rtkit-daemon09:58:071
179699320,3rtkit-daemon1795-21rtkit-daemon08:58:300
179699320,3rtkit-daemon1795-21rtkit-daemon07:50:040
179699320,3rtkit-daemon0-21swapper/109:56:560
179699320,3rtkit-daemon0-21swapper/010:30:271
179699320,3rtkit-daemon0-21swapper/007:43:031
179699320,2rtkit-daemon0-21swapper/010:42:221
610161993129,1cyclictest0-21swapper/109:25:061
61016199310,29cyclictest0-21swapper/108:10:011
610154993128,2cyclictest66950irq/132-enp2s011:25:160
179699310,3rtkit-daemon1795-21rtkit-daemon12:34:550
179699310,3rtkit-daemon0-21swapper/108:25:470
179699310,3rtkit-daemon0-21swapper/008:39:071
179699310,3rtkit-daemon0-21swapper/007:34:191
179699310,2rtkit-daemon1795-21rtkit-daemon09:19:070
179699300,4rtkit-daemon1795-21rtkit-daemon12:15:461
179699300,4rtkit-daemon1795-21rtkit-daemon07:35:250
179699300,3rtkit-daemon0-21swapper/108:33:460
179699300,3rtkit-daemon0-21swapper/011:07:571
179699300,3rtkit-daemon0-21swapper/010:27:461
179699300,3rtkit-daemon0-21swapper/010:22:281
179699300,3rtkit-daemon0-21swapper/009:38:491
179699300,3rtkit-daemon0-21swapper/009:00:521
179699300,3rtkit-daemon0-21swapper/007:47:091
61015499290,12cyclictest0-21swapper/012:24:060
179699290,4rtkit-daemon1795-21rtkit-daemon12:30:491
179699290,4rtkit-daemon1795-21rtkit-daemon08:14:180
179699290,3rtkit-daemon0-21swapper/012:36:261
179699290,3rtkit-daemon0-21swapper/012:05:331
179699290,3rtkit-daemon0-21swapper/010:56:401
610161992815,8cyclictest666263-21apt-get09:20:131
610154992825,2cyclictest66950irq/132-enp2s011:55:010
179699280,4rtkit-daemon1795-21rtkit-daemon12:03:191
179699280,3rtkit-daemon0-21swapper/107:16:490
179699280,3rtkit-daemon0-21swapper/011:18:431
179699280,3rtkit-daemon0-21swapper/011:02:521
179699280,3rtkit-daemon0-21swapper/010:47:091
179699280,3rtkit-daemon0-21swapper/008:45:121
179699280,3rtkit-daemon0-21swapper/008:14:321
179699280,23rtkit-daemon610144-21cyclictest10:51:181
61016199270,7cyclictest0-21swapper/108:19:241
61016199270,7cyclictest0-21swapper/108:19:231
610154992722,3cyclictest708855-21rm10:19:080
179699270,3rtkit-daemon0-21swapper/112:10:470
179699270,3rtkit-daemon0-21swapper/009:16:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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