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2026-04-12 - 21:09
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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 Sun Apr 12, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2569122319278,27sleep10-21swapper/107:07:591
2568932250181,55sleep00-21swapper/007:07:470
179699550,4rtkit-daemon1795-21rtkit-daemon10:04:230
2649872530,5sleep00-21swapper/007:25:200
179699530,4rtkit-daemon1795-21rtkit-daemon12:04:401
179699530,4rtkit-daemon1795-21rtkit-daemon11:51:360
179699520,4rtkit-daemon1795-21rtkit-daemon12:35:420
179699510,3rtkit-daemon1795-21rtkit-daemon10:35:200
179699490,4rtkit-daemon1795-21rtkit-daemon11:05:540
179699480,4rtkit-daemon1795-21rtkit-daemon10:54:550
179699460,3rtkit-daemon1795-21rtkit-daemon08:42:050
4341712420,5sleep10-21swapper/112:07:501
179699390,3rtkit-daemon0-21swapper/007:45:461
257327993836,1cyclictest0-21swapper/109:40:391
179699370,6rtkit-daemon353411-21ssh10:13:160
179699370,4rtkit-daemon893-21snmpd08:46:420
179699360,4rtkit-daemon1795-21rtkit-daemon08:10:250
179699360,3rtkit-daemon0-21swapper/011:34:170
179699360,3rtkit-daemon0-21swapper/007:46:500
179699350,4rtkit-daemon1795-21rtkit-daemon11:57:481
179699350,4rtkit-daemon1795-21rtkit-daemon10:26:060
179699350,3rtkit-daemon0-21swapper/010:26:121
179699340,4rtkit-daemon1795-21rtkit-daemon12:28:190
179699340,4rtkit-daemon1795-21rtkit-daemon12:25:101
179699340,4rtkit-daemon1795-21rtkit-daemon10:13:021
179699340,4rtkit-daemon1795-21rtkit-daemon09:18:130
179699340,4rtkit-daemon1795-21rtkit-daemon08:17:280
179699340,3rtkit-daemon0-21swapper/112:08:220
179699340,3rtkit-daemon0-21swapper/009:55:200
179699340,3rtkit-daemon0-21swapper/007:50:271
179699340,2rtkit-daemon0-21swapper/011:23:240
257327993328,3cyclictest256946-21kworker/1:007:10:041
179699330,5rtkit-daemon423289-21ssh11:51:501
179699330,4rtkit-daemon1795-21rtkit-daemon11:12:450
179699330,4rtkit-daemon1795-21rtkit-daemon10:31:060
179699330,4rtkit-daemon1795-21rtkit-daemon07:40:440
179699330,4rtkit-daemon1795-21rtkit-daemon07:39:550
179699330,3rtkit-daemon0-21swapper/107:21:360
179699330,3rtkit-daemon0-21swapper/008:41:501
179699330,3rtkit-daemon0-21swapper/007:42:251
179699320,4rtkit-daemon1795-21rtkit-daemon07:51:330
179699320,3rtkit-daemon0-21swapper/011:38:561
179699320,3rtkit-daemon0-21swapper/008:48:581
179699320,3rtkit-daemon0-21swapper/008:16:011
179699320,3rtkit-daemon0-21swapper/008:12:001
179699310,3rtkit-daemon1795-21rtkit-daemon08:59:051
179699310,3rtkit-daemon0-21swapper/010:55:011
179699310,3rtkit-daemon0-21swapper/010:49:491
179699310,3rtkit-daemon0-21swapper/010:33:141
179699310,3rtkit-daemon0-21swapper/009:19:381
179699310,3rtkit-daemon0-21swapper/008:33:081
179699310,3rtkit-daemon0-21swapper/008:06:501
179699300,3rtkit-daemon1795-21rtkit-daemon11:46:350
179699300,3rtkit-daemon1795-21rtkit-daemon07:16:131
179699300,3rtkit-daemon0-21swapper/109:04:080
179699300,3rtkit-daemon0-21swapper/012:33:451
179699300,3rtkit-daemon0-21swapper/010:06:021
179699300,3rtkit-daemon0-21swapper/009:55:421
179699300,3rtkit-daemon0-21swapper/009:53:121
179699300,3rtkit-daemon0-21swapper/009:27:271
257327992927,1cyclictest0-21swapper/110:54:041
257312992914,10cyclictest278784-21apt-get08:00:120
179699290,3rtkit-daemon0-21swapper/111:58:360
179699290,3rtkit-daemon0-21swapper/110:17:390
179699290,3rtkit-daemon0-21swapper/107:13:400
179699290,3rtkit-daemon0-21swapper/011:46:491
179699290,3rtkit-daemon0-21swapper/011:15:541
179699290,3rtkit-daemon0-21swapper/009:32:051
179699280,3rtkit-daemon1795-21rtkit-daemon10:20:501
179699280,3rtkit-daemon0-21swapper/012:36:451
179699280,3rtkit-daemon0-21swapper/011:34:241
179699280,3rtkit-daemon0-21swapper/010:42:551
179699280,3rtkit-daemon0-21swapper/010:04:441
179699280,3rtkit-daemon0-21swapper/008:23:231
179699280,23rtkit-daemon259705-21munin-node08:58:450
25732799270,7cyclictest0-21swapper/109:35:391
25732799270,7cyclictest0-21swapper/109:35:381
257312992720,5cyclictest308544-21taskset09:10:440
257312992719,6cyclictest278348-21date08:00:010
257312992711,10cyclictest266173-21apt-get07:30:120
179699270,1rtkit-daemon1795-21rtkit-daemon12:11:151
257327992611,10cyclictest400306-21apt-get11:20:141
25732799260,7cyclictest355524-21ntp_states10:15:211
25732799260,7cyclictest0-21swapper/109:45:591
25732799260,7cyclictest0-21swapper/108:35:031
25732799260,6cyclictest0-21swapper/111:29:091
25732799260,6cyclictest0-21swapper/107:38:401
257312992610,2cyclictest3205872rm09:28:580
179699260,3rtkit-daemon0-21swapper/011:06:021
25731299258,11cyclictest291326-21apt-get08:30:150
25731299254,10cyclictest13-21ksoftirqd/008:05:200
179699250,2rtkit-daemon1795-21rtkit-daemon07:15:090
179699250,20rtkit-daemon257303-21cyclictest12:02:280
179699250,1rtkit-daemon1795-21rtkit-daemon12:21:561
179699250,1rtkit-daemon1795-21rtkit-daemon08:51:540
25732799240,7cyclictest263039-21ntp_states07:20:211
25731299248,6cyclictest314414-21apt-get09:20:130
257312992413,2cyclictest141rcu_preempt10:05:020
257312992410,8cyclictest330446-1kworker/u9:211:00:130
179699240,4rtkit-daemon141rcu_preempt07:59:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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