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2026-03-27 - 01:06
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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 (updated Thu Mar 26, 2026 12:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35214082264185,29sleep10-21swapper/107:07:221
35216212246179,52sleep00-21swapper/007:09:390
179699680,8rtkit-daemon0-21swapper/010:27:261
35769982660,4sleep10-21swapper/109:15:261
179699570,6rtkit-daemon1795-21rtkit-daemon12:00:350
36043962530,3sleep0161rcuc/009:51:310
179699520,4rtkit-daemon1795-21rtkit-daemon12:38:391
179699520,3rtkit-daemon1795-21rtkit-daemon10:29:160
179699500,4rtkit-daemon1795-21rtkit-daemon07:41:350
179699500,4rtkit-daemon1795-21rtkit-daemon07:11:181
179699500,3rtkit-daemon1795-21rtkit-daemon12:08:040
179699480,3rtkit-daemon1795-21rtkit-daemon11:31:570
179699480,3rtkit-daemon1795-21rtkit-daemon09:49:420
179699480,3rtkit-daemon1795-21rtkit-daemon07:53:340
179699470,4rtkit-daemon1795-21rtkit-daemon09:05:440
179699470,3rtkit-daemon1795-21rtkit-daemon11:14:540
179699430,3rtkit-daemon0-21swapper/009:16:330
179699390,3rtkit-daemon0-21swapper/010:09:490
179699370,6rtkit-daemon3667271-21ntp_states11:15:211
179699370,5rtkit-daemon3556893-21df08:35:151
179699370,3rtkit-daemon0-21swapper/010:37:080
3521852993613,5cyclictest13-21ksoftirqd/008:45:010
179699360,3rtkit-daemon0-21swapper/112:10:421
179699360,3rtkit-daemon0-21swapper/009:35:460
179699360,3rtkit-daemon0-21swapper/008:26:490
179699360,3rtkit-daemon0-21swapper/008:16:430
179699360,3rtkit-daemon0-21swapper/007:47:160
179699360,3rtkit-daemon0-21swapper/007:36:410
3521873993532,2cyclictest3590842-21kworker/1:109:38:421
179699350,4rtkit-daemon1795-21rtkit-daemon11:07:400
179699350,4rtkit-daemon1795-21rtkit-daemon10:41:561
179699350,3rtkit-daemon0-21swapper/110:49:281
179699350,3rtkit-daemon0-21swapper/010:32:481
179699350,3rtkit-daemon0-21swapper/010:22:470
179699340,4rtkit-daemon26-21ksoftirqd/109:51:421
179699340,3rtkit-daemon0-21swapper/010:58:081
179699340,3rtkit-daemon0-21swapper/010:32:400
179699340,3rtkit-daemon0-21swapper/009:21:061
352185299339,6cyclictest13-21ksoftirqd/011:50:120
179699330,3rtkit-daemon1795-21rtkit-daemon11:48:280
179699330,3rtkit-daemon1795-21rtkit-daemon09:34:290
179699330,3rtkit-daemon0-21swapper/111:37:250
179699330,3rtkit-daemon0-21swapper/011:24:321
3521852993218,4cyclictest13-21ksoftirqd/007:20:230
179699320,3rtkit-daemon1795-21rtkit-daemon11:17:560
179699320,3rtkit-daemon1795-21rtkit-daemon08:36:530
179699320,3rtkit-daemon0-21swapper/107:10:050
179699320,3rtkit-daemon0-21swapper/012:27:131
179699320,3rtkit-daemon0-21swapper/012:01:311
179699320,3rtkit-daemon0-21swapper/011:33:351
179699320,3rtkit-daemon0-21swapper/011:28:131
179699320,3rtkit-daemon0-21swapper/007:34:331
352185299319,4cyclictest13-21ksoftirqd/009:25:190
3521852993113,5cyclictest13-21ksoftirqd/011:25:150
179699310,4rtkit-daemon1795-21rtkit-daemon08:33:161
179699310,4rtkit-daemon1795-21rtkit-daemon07:19:201
179699310,3rtkit-daemon1795-21rtkit-daemon10:57:550
179699310,3rtkit-daemon1795-21rtkit-daemon07:56:150
179699310,3rtkit-daemon0-21swapper/011:06:061
179699310,3rtkit-daemon0-21swapper/008:17:101
3521873993017,7cyclictest3709189-40apt-check12:15:221
352185299309,4cyclictest13-21ksoftirqd/012:15:390
3521852993014,10cyclictest3705307-21apt-get12:10:120
179699300,3rtkit-daemon1795-21rtkit-daemon08:59:120
179699300,3rtkit-daemon0-21swapper/110:52:560
179699300,3rtkit-daemon0-21swapper/009:46:061
179699300,3rtkit-daemon0-21swapper/007:57:531
352185299299,4cyclictest13-21ksoftirqd/009:21:560
352185299296,4cyclictest13-21ksoftirqd/011:56:150
3521852992912,4cyclictest13-21ksoftirqd/008:00:140
3521852992911,3cyclictest13-21ksoftirqd/012:32:040
3521852992910,3cyclictest13-21ksoftirqd/011:23:220
352185299290,9cyclictest35553792ls08:30:190
179699290,3rtkit-daemon0-21swapper/009:25:191
179699290,3rtkit-daemon0-21swapper/009:00:151
179699290,3rtkit-daemon0-21swapper/008:28:281
179699290,3rtkit-daemon0-21swapper/008:21:581
179699290,3rtkit-daemon0-21swapper/008:14:491
352187399288,8cyclictest3565676-21gltestperf08:55:171
3521873992814,12cyclictest26-21ksoftirqd/110:00:011
3521852992810,3cyclictest13-21ksoftirqd/010:13:150
179699280,4rtkit-daemon1795-21rtkit-daemon09:44:391
179699280,3rtkit-daemon0-21swapper/109:59:470
179699280,3rtkit-daemon0-21swapper/107:25:060
179699280,3rtkit-daemon0-21swapper/012:31:451
179699280,3rtkit-daemon0-21swapper/012:08:191
179699280,3rtkit-daemon0-21swapper/011:01:341
179699280,3rtkit-daemon0-21swapper/010:05:231
179699280,3rtkit-daemon0-21swapper/009:32:111
179699280,3rtkit-daemon0-21swapper/009:09:511
179699280,3rtkit-daemon0-21swapper/008:46:451
179699280,3rtkit-daemon0-21swapper/008:02:211
352185299275,4cyclictest13-21ksoftirqd/010:15:330
352185299275,4cyclictest13-21ksoftirqd/010:15:320
352185299272,9cyclictest13-21ksoftirqd/012:35:120
3521852992723,3cyclictest66950irq/132-enp2s009:10:310
3521852992712,2cyclictest141rcu_preempt10:01:290
3521852992711,10cyclictest3643962-21apt-get10:45:140
352185299270,6cyclictest0-21swapper/011:43:430
179699270,3rtkit-daemon0-21swapper/007:54:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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