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2026-01-01 - 04:12
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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 Thu Jan 01, 2026 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31882712266189,27sleep00-21swapper/019:06:450
31868512255180,27sleep10-21swapper/119:05:161
32749072580,4sleep10-21swapper/121:57:321
179699580,4rtkit-daemon1795-21rtkit-daemon20:33:040
179699580,3rtkit-daemon1795-21rtkit-daemon22:03:431
179699560,4rtkit-daemon1795-21rtkit-daemon00:17:440
32961842550,4sleep00-21swapper/022:25:130
179699540,4rtkit-daemon1795-21rtkit-daemon23:58:541
179699540,4rtkit-daemon1795-21rtkit-daemon23:58:541
179699540,3rtkit-daemon1795-21rtkit-daemon20:35:371
179699530,4rtkit-daemon1795-21rtkit-daemon23:17:181
179699530,4rtkit-daemon1795-21rtkit-daemon00:15:381
179699530,3rtkit-daemon0-21swapper/123:30:001
179699530,20rtkit-daemon1795-21rtkit-daemon00:10:101
179699520,4rtkit-daemon1795-21rtkit-daemon19:22:261
179699520,3rtkit-daemon0-21swapper/121:23:231
179699520,19rtkit-daemon1795-21rtkit-daemon20:20:191
179699510,5rtkit-daemon1795-21rtkit-daemon21:36:411
179699510,4rtkit-daemon1795-21rtkit-daemon22:48:291
179699510,4rtkit-daemon1795-21rtkit-daemon20:56:031
179699510,4rtkit-daemon1795-21rtkit-daemon19:14:461
179699510,3rtkit-daemon1795-21rtkit-daemon22:50:301
179699510,3rtkit-daemon1795-21rtkit-daemon19:53:321
179699510,3rtkit-daemon0-21swapper/121:44:181
179699500,4rtkit-daemon1795-21rtkit-daemon22:06:201
179699500,4rtkit-daemon1795-21rtkit-daemon20:32:381
179699500,3rtkit-daemon1795-21rtkit-daemon00:09:281
179699500,3rtkit-daemon0-21swapper/119:31:091
179699480,4rtkit-daemon1795-21rtkit-daemon19:18:401
179699480,3rtkit-daemon1795-21rtkit-daemon21:10:571
179699480,20rtkit-daemon3188687-21cyclictest00:30:051
179699470,16rtkit-daemon1795-21rtkit-daemon22:36:491
179699460,3rtkit-daemon0-21swapper/121:30:281
179699460,17rtkit-daemon1795-21rtkit-daemon00:28:281
179699440,16rtkit-daemon1795-21rtkit-daemon21:27:281
179699420,14rtkit-daemon0-21swapper/022:24:431
179699410,14rtkit-daemon0-21swapper/020:49:441
179699390,6rtkit-daemon3371729-21ssh00:01:290
179699390,3rtkit-daemon0-21swapper/123:34:311
179699370,5rtkit-daemon3195476-21df19:25:150
179699370,13rtkit-daemon0-21swapper/021:17:311
179699360,4rtkit-daemon1795-21rtkit-daemon20:29:400
179699360,3rtkit-daemon1795-21rtkit-daemon22:48:130
179699360,3rtkit-daemon0-21swapper/122:59:371
179699360,3rtkit-daemon0-21swapper/120:19:450
179699350,4rtkit-daemon1795-21rtkit-daemon23:24:171
179699350,4rtkit-daemon0-21swapper/122:31:550
179699350,4rtkit-daemon0-21swapper/121:46:010
179699350,3rtkit-daemon0-21swapper/123:41:440
179699350,3rtkit-daemon0-21swapper/123:05:541
179699340,4rtkit-daemon1795-21rtkit-daemon23:04:161
179699340,4rtkit-daemon0-21swapper/100:27:090
179699340,3rtkit-daemon0-21swapper/123:33:200
179699340,3rtkit-daemon0-21swapper/123:07:530
179699340,3rtkit-daemon0-21swapper/122:38:550
179699340,3rtkit-daemon0-21swapper/100:32:270
179699330,4rtkit-daemon1795-21rtkit-daemon23:50:381
179699330,4rtkit-daemon1795-21rtkit-daemon20:02:021
179699330,3rtkit-daemon0-21swapper/123:51:240
179699330,3rtkit-daemon0-21swapper/123:17:440
179699330,3rtkit-daemon0-21swapper/123:02:090
179699330,3rtkit-daemon0-21swapper/122:58:100
179699330,3rtkit-daemon0-21swapper/121:42:450
179699330,3rtkit-daemon0-21swapper/121:18:200
179699330,3rtkit-daemon0-21swapper/120:20:050
179699320,4rtkit-daemon1795-21rtkit-daemon21:06:171
179699320,3rtkit-daemon0-21swapper/123:55:270
179699320,3rtkit-daemon0-21swapper/123:55:270
179699320,3rtkit-daemon0-21swapper/123:12:100
179699320,3rtkit-daemon0-21swapper/122:15:390
179699320,3rtkit-daemon0-21swapper/121:06:290
179699320,3rtkit-daemon0-21swapper/121:01:350
179699320,3rtkit-daemon0-21swapper/121:01:350
179699320,3rtkit-daemon0-21swapper/120:10:550
179699320,3rtkit-daemon0-21swapper/120:06:460
3188700993127,2cyclictest3281844-21kworker/1:122:15:291
179699310,4rtkit-daemon3340799-21sh23:22:030
179699310,3rtkit-daemon1795-21rtkit-daemon23:40:381
179699310,3rtkit-daemon0-21swapper/123:49:050
179699310,3rtkit-daemon0-21swapper/123:28:470
179699310,3rtkit-daemon0-21swapper/122:52:390
179699310,3rtkit-daemon0-21swapper/121:52:020
179699310,3rtkit-daemon0-21swapper/119:24:080
179699310,3rtkit-daemon0-21swapper/100:24:390
179699310,3rtkit-daemon0-21swapper/100:24:390
179699300,4rtkit-daemon1795-21rtkit-daemon22:12:051
179699300,3rtkit-daemon0-21swapper/121:26:460
3188693992911,12cyclictest3252760-21apt-get21:30:150
179699290,3rtkit-daemon0-21swapper/121:20:050
3188700992822,4cyclictest66950irq/132-enp2s022:35:001
318870099281,8cyclictest3190758-21munin-node21:47:041
179699280,24rtkit-daemon26-21ksoftirqd/120:50:251
318870099260,6cyclictest0-21swapper/100:04:541
3188700992522,2cyclictest3268769-21ssh21:50:091
3188700992512,11cyclictest26-21ksoftirqd/120:20:001
3188693992521,3cyclictest13-21ksoftirqd/023:40:010
179699250,4rtkit-daemon0-21swapper/120:05:241
179699250,1rtkit-daemon1795-21rtkit-daemon21:10:370
179699250,1rtkit-daemon1795-21rtkit-daemon20:48:590
179699250,1rtkit-daemon1795-21rtkit-daemon19:10:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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