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2025-12-28 - 17:04
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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 Dec 28, 2025 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41475392264188,60sleep00-21swapper/007:05:060
41489272255215,26sleep10-21swapper/107:06:031
179699550,4rtkit-daemon1795-21rtkit-daemon08:08:191
179699540,3rtkit-daemon1795-21rtkit-daemon11:56:590
179699510,4rtkit-daemon1795-21rtkit-daemon11:48:170
179699510,4rtkit-daemon1795-21rtkit-daemon09:29:051
179699500,3rtkit-daemon1795-21rtkit-daemon11:51:001
179699500,3rtkit-daemon1795-21rtkit-daemon10:09:341
179699500,3rtkit-daemon1795-21rtkit-daemon09:31:591
179699490,8rtkit-daemon0-21swapper/012:24:430
179699490,3rtkit-daemon1795-21rtkit-daemon09:45:351
179699450,3rtkit-daemon1795-21rtkit-daemon12:31:330
179699420,4rtkit-daemon0-21swapper/112:15:170
179699410,10rtkit-daemon51540-21ntpq10:10:221
179699400,3rtkit-daemon0-21swapper/111:09:541
179699380,4rtkit-daemon0-21swapper/007:10:261
179699370,3rtkit-daemon0-21swapper/011:37:430
179699370,3rtkit-daemon0-21swapper/010:27:031
179699370,3rtkit-daemon0-21swapper/010:22:160
4149422993623,2cyclictest77302-21/usr/sbin/munin10:45:151
179699360,3rtkit-daemon0-21swapper/108:50:011
179699360,3rtkit-daemon0-21swapper/108:04:220
179699350,4rtkit-daemon1795-21rtkit-daemon10:41:211
179699350,4rtkit-daemon1795-21rtkit-daemon09:03:161
179699350,4rtkit-daemon1795-21rtkit-daemon07:38:021
179699350,3rtkit-daemon0-21swapper/110:57:051
179699350,3rtkit-daemon0-21swapper/108:39:240
179699350,3rtkit-daemon0-21swapper/010:03:111
179699350,3rtkit-daemon0-21swapper/009:54:180
179699340,4rtkit-daemon1795-21rtkit-daemon12:21:411
179699340,3rtkit-daemon1795-21rtkit-daemon10:04:050
179699340,3rtkit-daemon0-21swapper/012:32:131
414942299332,7cyclictest154743-21apt-get12:25:161
179699330,4rtkit-daemon95172-21diskmemload11:08:050
179699330,4rtkit-daemon1795-21rtkit-daemon11:11:551
179699330,4rtkit-daemon1795-21rtkit-daemon09:17:471
179699330,3rtkit-daemon1795-21rtkit-daemon07:26:471
179699330,3rtkit-daemon0-21swapper/111:27:190
179699330,3rtkit-daemon0-21swapper/111:15:170
179699330,3rtkit-daemon0-21swapper/109:18:580
179699330,3rtkit-daemon0-21swapper/107:27:000
179699330,3rtkit-daemon0-21swapper/011:39:351
179699330,3rtkit-daemon0-21swapper/010:17:220
179699320,3rtkit-daemon0-21swapper/110:09:260
179699320,3rtkit-daemon0-21swapper/109:32:270
179699320,3rtkit-daemon0-21swapper/108:08:480
179699320,3rtkit-daemon0-21swapper/107:50:570
179699320,3rtkit-daemon0-21swapper/011:49:081
179699320,3rtkit-daemon0-21swapper/010:15:311
179699320,3rtkit-daemon0-21swapper/007:34:361
179699310,4rtkit-daemon1795-21rtkit-daemon11:42:000
179699310,4rtkit-daemon1795-21rtkit-daemon10:48:050
179699310,4rtkit-daemon1795-21rtkit-daemon08:24:460
179699310,3rtkit-daemon1795-21rtkit-daemon08:10:431
179699310,3rtkit-daemon0-21swapper/112:01:080
179699310,3rtkit-daemon0-21swapper/110:36:090
179699310,3rtkit-daemon0-21swapper/109:36:080
179699310,3rtkit-daemon0-21swapper/109:13:060
179699310,3rtkit-daemon0-21swapper/109:03:220
179699310,3rtkit-daemon0-21swapper/108:25:220
179699310,3rtkit-daemon0-21swapper/108:10:210
179699310,3rtkit-daemon0-21swapper/107:55:470
179699300,3rtkit-daemon1795-21rtkit-daemon08:39:031
179699300,3rtkit-daemon1795-21rtkit-daemon07:13:460
179699300,3rtkit-daemon0-21swapper/111:31:250
179699300,3rtkit-daemon0-21swapper/108:56:480
179699300,3rtkit-daemon0-21swapper/108:30:400
179699300,3rtkit-daemon0-21swapper/107:49:250
179699300,3rtkit-daemon0-21swapper/107:19:180
179699300,1rtkit-daemon1795-21rtkit-daemon11:17:551
179699290,4rtkit-daemon129604-21ssh11:50:320
179699290,3rtkit-daemon0-21swapper/112:06:220
179699290,3rtkit-daemon0-21swapper/110:57:250
179699290,3rtkit-daemon0-21swapper/110:40:290
179699290,3rtkit-daemon0-21swapper/110:33:390
179699290,3rtkit-daemon0-21swapper/110:25:540
179699290,3rtkit-daemon0-21swapper/109:29:130
179699290,3rtkit-daemon0-21swapper/109:24:470
179699290,3rtkit-daemon0-21swapper/010:24:331
179699290,3rtkit-daemon0-21swapper/007:17:391
414942299280,6cyclictest0-21swapper/107:50:141
179699280,3rtkit-daemon0-21swapper/112:11:420
179699280,3rtkit-daemon0-21swapper/111:20:490
179699280,3rtkit-daemon0-21swapper/109:42:210
179699280,3rtkit-daemon0-21swapper/108:41:470
179699280,3rtkit-daemon0-21swapper/107:38:240
179699280,3rtkit-daemon0-21swapper/009:52:401
179699280,3rtkit-daemon0-21swapper/009:09:591
4149422992714,7cyclictest3507-21diskmemload10:54:021
4149422992713,10cyclictest4175600-21apt-get08:15:141
414941899270,6cyclictest0-21swapper/012:25:190
179699270,3rtkit-daemon0-21swapper/109:45:550
414942299261,7cyclictest146985-21munin-plugin-st12:15:001
4149422992612,9cyclictest60067-1kworker/u9:210:35:151
414942299260,7cyclictest0-21swapper/107:45:321
414942299260,1cyclictest141rcu_preempt12:15:141
179699260,3rtkit-daemon0-21swapper/111:00:410
179699260,3rtkit-daemon0-21swapper/107:41:210
179699260,1rtkit-daemon1795-21rtkit-daemon11:27:251
179699260,1rtkit-daemon1795-21rtkit-daemon09:37:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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