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2026-05-03 - 12:10
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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 May 03, 2026 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5550932272232,26sleep00-21swapper/019:06:170
5552192266188,25sleep10-21swapper/119:07:391
7545682770,5chrt0-21swapper/000:28:380
179699660,3rtkit-daemon1795-21rtkit-daemon21:25:151
179699620,4rtkit-daemon1795-21rtkit-daemon21:10:081
179699620,3rtkit-daemon1795-21rtkit-daemon23:03:411
179699590,3rtkit-daemon1795-21rtkit-daemon21:40:231
179699520,4rtkit-daemon1795-21rtkit-daemon21:22:191
179699510,3rtkit-daemon0-21swapper/000:06:450
179699500,1rtkit-daemon1795-21rtkit-daemon21:00:010
179699480,3rtkit-daemon1795-21rtkit-daemon22:30:260
179699480,3rtkit-daemon0-21swapper/022:37:220
179699470,5rtkit-daemon1795-21rtkit-daemon21:31:541
179699470,3rtkit-daemon1795-21rtkit-daemon20:53:571
179699470,3rtkit-daemon0-21swapper/119:35:301
179699460,3rtkit-daemon0-21swapper/119:42:341
179699460,3rtkit-daemon0-21swapper/119:42:331
179699460,3rtkit-daemon0-21swapper/022:50:141
179699460,1rtkit-daemon1795-21rtkit-daemon21:46:010
179699450,3rtkit-daemon0-21swapper/023:09:450
179699440,3rtkit-daemon0-21swapper/023:07:181
179699440,3rtkit-daemon0-21swapper/020:16:311
7183542430,29sleep0718505-21df23:40:140
179699430,1rtkit-daemon1795-21rtkit-daemon21:09:360
179699420,3rtkit-daemon1795-21rtkit-daemon21:00:221
179699420,3rtkit-daemon0-21swapper/023:44:541
179699420,3rtkit-daemon0-21swapper/023:32:351
179699420,3rtkit-daemon0-21swapper/022:13:331
179699420,3rtkit-daemon0-21swapper/000:17:131
179699420,1rtkit-daemon1795-21rtkit-daemon22:56:170
179699420,1rtkit-daemon1795-21rtkit-daemon19:45:070
179699420,1rtkit-daemon1795-21rtkit-daemon19:43:180
179699420,1rtkit-daemon1795-21rtkit-daemon19:43:170
179699420,10rtkit-daemon1795-21rtkit-daemon22:48:411
179699410,4rtkit-daemon1795-21rtkit-daemon21:06:531
179699410,3rtkit-daemon0-21swapper/121:36:421
179699410,3rtkit-daemon0-21swapper/120:47:271
179699410,3rtkit-daemon0-21swapper/119:26:061
179699410,3rtkit-daemon0-21swapper/021:58:301
179699400,4rtkit-daemon1795-21rtkit-daemon22:58:051
179699400,4rtkit-daemon1795-21rtkit-daemon20:03:371
179699390,5rtkit-daemon631094-21perf21:49:561
179699390,3rtkit-daemon0-21swapper/023:58:221
179699390,3rtkit-daemon0-21swapper/021:53:001
179699380,3rtkit-daemon0-21swapper/022:40:331
179699380,3rtkit-daemon0-21swapper/019:22:591
55556899361,14cyclictest603816-21diskmemload22:03:501
179699360,3rtkit-daemon0-21swapper/022:38:191
179699360,3rtkit-daemon0-21swapper/020:28:300
179699360,3rtkit-daemon0-21swapper/000:33:581
179699350,4rtkit-daemon1795-21rtkit-daemon23:23:550
179699350,4rtkit-daemon1795-21rtkit-daemon23:23:550
179699350,4rtkit-daemon1795-21rtkit-daemon22:05:020
179699350,4rtkit-daemon1795-21rtkit-daemon21:52:240
179699350,3rtkit-daemon1795-21rtkit-daemon22:49:590
179699350,3rtkit-daemon0-21swapper/021:57:410
179699350,3rtkit-daemon0-21swapper/020:27:401
179699350,3rtkit-daemon0-21swapper/000:16:150
179699350,3rtkit-daemon0-21swapper/000:07:271
179699340,1rtkit-daemon1795-21rtkit-daemon20:08:001
179699330,3rtkit-daemon1795-21rtkit-daemon19:22:030
179699320,4rtkit-daemon1795-21rtkit-daemon22:12:520
7218862310,24sleep0721887-21apt-get23:45:110
7019682310,15sleep10-21swapper/123:18:011
179699310,4rtkit-daemon1795-21rtkit-daemon00:33:090
179699310,3rtkit-daemon1795-21rtkit-daemon20:12:320
55556899301,15cyclictest603816-21diskmemload22:17:541
555564993027,2cyclictest66950irq/132-enp2s022:26:150
179699300,3rtkit-daemon1795-21rtkit-daemon23:52:480
6477242290,3sleep1647722-21sensors_temp22:05:251
55556899291,14cyclictest603816-21diskmemload22:34:131
55556899281,14cyclictest603816-21diskmemload23:45:311
55556899281,14cyclictest603816-21diskmemload23:38:211
55556899271,13cyclictest603816-21diskmemload00:38:461
55556499273,16cyclictest739970-21apt-get00:10:110
555564992724,2cyclictest66950irq/132-enp2s023:38:130
179699270,1rtkit-daemon1795-21rtkit-daemon20:30:500
55556899269,11cyclictest591887-21apt-get20:40:101
55556899261,13cyclictest603816-21diskmemload23:28:481
55556899261,12cyclictest603816-21diskmemload23:12:391
55556899261,12cyclictest603816-21diskmemload22:21:561
179699260,21rtkit-daemon555559-21cyclictest19:39:440
6111562250,4sleep00-21swapper/021:17:510
5781312250,4sleep00-21swapper/020:05:010
55556899252,16cyclictest703243-21apt-get23:20:131
55556899252,16cyclictest703243-21apt-get23:20:131
55556899251,7cyclictest603816-21diskmemload22:28:051
55556499252,8cyclictest564512-21apt-get19:30:130
555564992510,9cyclictest699289-21apt-get23:15:110
179699250,1rtkit-daemon1795-21rtkit-daemon23:32:210
179699250,1rtkit-daemon1795-21rtkit-daemon23:11:030
179699250,1rtkit-daemon1795-21rtkit-daemon21:30:120
7529472240,3sleep10-21swapper/100:25:251
55556899241,6cyclictest603816-21diskmemload23:50:041
55556899241,6cyclictest603816-21diskmemload21:16:491
55556899240,19cyclictest558232-21apt-get19:15:141
55556499249,5cyclictest0-21swapper/022:23:130
555564992420,3cyclictest66950irq/132-enp2s022:03:290
555564992412,7cyclictest66950irq/132-enp2s021:40:130
55556499241,18cyclictest682321-21kworker/u8:223:25:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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