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2026-06-02 - 03:22
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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 100 highest latencies:
System rackcslot4.osadl.org (updated Tue Jun 02, 2026 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26496742245211,19sleep10-21swapper/119:06:241
26495842237197,26sleep00-21swapper/019:05:330
179699580,4rtkit-daemon1795-21rtkit-daemon23:35:001
179699550,4rtkit-daemon1795-21rtkit-daemon22:38:551
179699520,4rtkit-daemon1795-21rtkit-daemon21:44:471
179699510,4rtkit-daemon1795-21rtkit-daemon19:33:591
179699510,4rtkit-daemon1795-21rtkit-daemon00:29:080
179699500,4rtkit-daemon1795-21rtkit-daemon20:56:290
179699500,4rtkit-daemon1795-21rtkit-daemon20:54:470
179699490,4rtkit-daemon1795-21rtkit-daemon20:29:580
179699480,4rtkit-daemon1795-21rtkit-daemon21:11:440
179699480,4rtkit-daemon1795-21rtkit-daemon20:38:590
179699460,3rtkit-daemon1795-21rtkit-daemon23:35:530
179699440,3rtkit-daemon1795-21rtkit-daemon20:48:540
179699430,4rtkit-daemon1795-21rtkit-daemon20:11:391
179699400,3rtkit-daemon0-21swapper/123:15:411
179699400,3rtkit-daemon0-21swapper/123:15:411
179699400,3rtkit-daemon0-21swapper/021:54:350
265011299382,14cyclictest2784714-21apt-get23:05:140
179699370,3rtkit-daemon0-21swapper/020:20:180
28105092360,14sleep02810494-21apt-get23:40:140
265011299362,17cyclictest2696648-21apt-get21:05:150
265011299362,16cyclictest2803157-21apt-get23:30:140
265011299362,11cyclictest2814154-21apt-get23:45:150
179699360,3rtkit-daemon0-21swapper/119:57:291
179699360,3rtkit-daemon0-21swapper/100:01:301
179699350,4rtkit-daemon1795-21rtkit-daemon22:25:301
179699350,4rtkit-daemon0-21swapper/122:24:241
179699350,3rtkit-daemon0-21swapper/123:52:161
179699350,3rtkit-daemon0-21swapper/100:07:301
179699350,3rtkit-daemon0-21swapper/021:56:051
265011299342,9cyclictest2751299-21apt-get22:20:130
265011299342,12cyclictest2686882-21apt-get20:40:160
179699340,4rtkit-daemon1795-21rtkit-daemon23:21:471
179699340,4rtkit-daemon1795-21rtkit-daemon22:04:521
179699340,3rtkit-daemon0-21swapper/123:02:310
179699340,3rtkit-daemon0-21swapper/100:10:050
265011299332,10cyclictest2766080-21apt-get22:40:130
179699330,4rtkit-daemon1795-21rtkit-daemon23:07:501
179699330,4rtkit-daemon1795-21rtkit-daemon19:44:481
179699330,3rtkit-daemon1795-21rtkit-daemon21:57:000
179699330,3rtkit-daemon1795-21rtkit-daemon21:45:541
179699330,3rtkit-daemon1795-21rtkit-daemon00:19:511
179699330,3rtkit-daemon0-21swapper/100:00:360
2650116993229,2cyclictest66950irq/132-enp2s023:58:341
2650116993229,2cyclictest66950irq/132-enp2s021:32:261
2650116993210,5cyclictest26-21ksoftirqd/121:39:131
179699320,4rtkit-daemon2794230-21ssh23:17:090
179699320,4rtkit-daemon2794230-21ssh23:17:080
179699320,4rtkit-daemon1795-21rtkit-daemon23:36:001
179699320,4rtkit-daemon1795-21rtkit-daemon21:52:001
179699320,3rtkit-daemon1795-21rtkit-daemon19:54:421
179699320,3rtkit-daemon0-21swapper/122:49:140
179699320,3rtkit-daemon0-21swapper/000:37:071
265011299313,8cyclictest2710119-21apt-get21:25:140
179699310,4rtkit-daemon0-21swapper/100:18:110
179699310,3rtkit-daemon0-21swapper/019:13:261
179699310,3rtkit-daemon0-21swapper/019:13:261
179699300,3rtkit-daemon1795-21rtkit-daemon22:58:281
179699300,3rtkit-daemon1795-21rtkit-daemon19:45:381
179699300,3rtkit-daemon1795-21rtkit-daemon19:18:281
179699300,3rtkit-daemon0-21swapper/123:20:100
179699300,3rtkit-daemon0-21swapper/121:45:010
179699300,3rtkit-daemon0-21swapper/021:18:491
179699300,3rtkit-daemon0-21swapper/021:11:221
179699300,3rtkit-daemon0-21swapper/020:39:271
179699300,3rtkit-daemon0-21swapper/000:31:361
265011299298,3cyclictest26771622cpuspeed_turbos20:15:150
179699290,3rtkit-daemon0-21swapper/123:10:520
179699290,3rtkit-daemon0-21swapper/119:29:290
179699290,3rtkit-daemon0-21swapper/022:43:491
179699290,3rtkit-daemon0-21swapper/000:29:221
2650116992824,3cyclictest66950irq/132-enp2s022:47:531
179699280,3rtkit-daemon0-21swapper/122:08:440
179699280,3rtkit-daemon0-21swapper/020:54:341
179699280,3rtkit-daemon0-21swapper/020:49:141
179699280,3rtkit-daemon0-21swapper/020:27:451
2650116992724,2cyclictest66950irq/132-enp2s021:29:381
2650112992712,10cyclictest2724482-1kworker/u9:122:00:140
179699270,3rtkit-daemon0-21swapper/121:23:020
179699270,21rtkit-daemon2650108-21cyclictest19:55:370
179699270,21rtkit-daemon2650108-21cyclictest19:16:090
2650116992624,1cyclictest0-21swapper/120:30:181
179699260,22rtkit-daemon2650108-21cyclictest20:24:271
179699260,21rtkit-daemon2650108-21cyclictest20:12:120
179699260,20rtkit-daemon2650108-21cyclictest19:35:090
179699260,1rtkit-daemon1795-21rtkit-daemon00:20:191
2650116992523,1cyclictest0-21swapper/123:00:161
2650116992516,5cyclictest1346005-21snapd00:10:261
2650116992512,7cyclictest2773333-21apt-get22:50:121
2650116992510,9cyclictest2788505-21apt-get23:10:161
2650112992511,9cyclictest2828832-21apt-get00:05:120
265011299250,5cyclictest0-21swapper/020:04:270
26514472240,4sleep02651445-21seq19:10:240
26514472240,4sleep02651445-21seq19:10:240
265011699247,6cyclictest2800151-21sed23:25:201
265011699242,15cyclictest2673184-21apt-get20:05:111
2650116992412,2cyclictest141rcu_preempt22:10:371
2650116992410,5cyclictest0-21swapper/123:44:281
265011299242,6cyclictest2754997-21apt-get22:25:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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