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2025-12-22 - 03:09
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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 Mon Dec 22, 2025 00:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1923262261199,47sleep10-21swapper/119:05:261
1931962245203,28sleep00-21swapper/019:07:270
179699530,4rtkit-daemon1795-21rtkit-daemon19:33:191
179699500,4rtkit-daemon1795-21rtkit-daemon21:44:210
179699500,4rtkit-daemon1795-21rtkit-daemon00:16:120
179699500,3rtkit-daemon1795-21rtkit-daemon23:08:451
179699500,3rtkit-daemon1795-21rtkit-daemon22:01:030
179699490,4rtkit-daemon1795-21rtkit-daemon23:47:181
179699490,4rtkit-daemon1795-21rtkit-daemon21:14:031
179699490,3rtkit-daemon1795-21rtkit-daemon23:54:571
179699480,3rtkit-daemon1795-21rtkit-daemon20:28:061
179699480,3rtkit-daemon1795-21rtkit-daemon20:23:491
179699480,10rtkit-daemon0-21swapper/119:21:471
179699470,3rtkit-daemon1795-21rtkit-daemon19:17:071
179699460,3rtkit-daemon1795-21rtkit-daemon20:43:541
179699380,3rtkit-daemon0-21swapper/119:14:051
179699370,3rtkit-daemon0-21swapper/122:13:271
179699360,5rtkit-daemon270190-21pmu-power22:20:220
179699360,3rtkit-daemon0-21swapper/119:52:570
179699350,4rtkit-daemon1795-21rtkit-daemon23:30:191
179699350,3rtkit-daemon0-21swapper/122:13:570
179699350,3rtkit-daemon0-21swapper/120:46:321
179699350,3rtkit-daemon0-21swapper/020:09:530
179699340,4rtkit-daemon1795-21rtkit-daemon21:20:411
179699340,4rtkit-daemon0-21swapper/120:45:280
179699340,3rtkit-daemon1795-21rtkit-daemon20:55:251
179699340,3rtkit-daemon1795-21rtkit-daemon00:33:381
179699340,3rtkit-daemon0-21swapper/123:37:321
179699340,3rtkit-daemon0-21swapper/122:58:221
179699340,3rtkit-daemon0-21swapper/119:43:420
179699340,3rtkit-daemon0-21swapper/119:43:341
179699340,3rtkit-daemon0-21swapper/022:26:260
179699340,3rtkit-daemon0-21swapper/021:40:131
179699330,4rtkit-daemon1795-21rtkit-daemon00:14:100
179699330,3rtkit-daemon0-21swapper/123:09:270
179699330,3rtkit-daemon0-21swapper/121:00:550
179699330,3rtkit-daemon0-21swapper/120:40:460
179699330,3rtkit-daemon0-21swapper/120:39:200
179699330,3rtkit-daemon0-21swapper/021:33:361
179699330,3rtkit-daemon0-21swapper/019:46:080
179699330,2rtkit-daemon1795-21rtkit-daemon20:14:130
2463922320,3sleep00-21swapper/021:20:210
179699320,3rtkit-daemon0-21swapper/119:39:370
179699320,3rtkit-daemon0-21swapper/000:00:561
179699310,4rtkit-daemon1795-21rtkit-daemon23:16:010
179699310,4rtkit-daemon0-21swapper/120:00:100
179699310,3rtkit-daemon0-21swapper/120:51:440
179699310,3rtkit-daemon0-21swapper/100:31:180
19355799302,22cyclictest204013-21apt-get19:35:151
179699300,3rtkit-daemon1795-21rtkit-daemon21:34:370
179699300,3rtkit-daemon0-21swapper/123:28:160
179699300,3rtkit-daemon0-21swapper/121:15:290
179699300,3rtkit-daemon0-21swapper/120:26:040
179699300,3rtkit-daemon0-21swapper/119:11:510
179699300,3rtkit-daemon0-21swapper/021:45:241
179699290,3rtkit-daemon1795-21rtkit-daemon21:29:200
179699290,3rtkit-daemon0-21swapper/123:47:470
179699290,3rtkit-daemon0-21swapper/120:24:450
179699290,3rtkit-daemon0-21swapper/119:30:480
179699290,3rtkit-daemon0-21swapper/100:37:120
179699290,3rtkit-daemon0-21swapper/022:46:361
179699290,3rtkit-daemon0-21swapper/022:26:481
193557992825,2cyclictest66950irq/132-enp2s023:25:101
179699280,3rtkit-daemon1795-21rtkit-daemon22:16:401
179699280,3rtkit-daemon0-21swapper/122:17:100
179699280,3rtkit-daemon0-21swapper/119:56:450
179699280,3rtkit-daemon0-21swapper/119:26:280
179699280,3rtkit-daemon0-21swapper/021:35:051
179699280,3rtkit-daemon0-21swapper/000:16:201
19355799273,17cyclictest301389-21apt-get23:40:151
19355799270,6cyclictest0-21swapper/120:03:071
179699270,3rtkit-daemon1795-21rtkit-daemon22:55:150
179699270,3rtkit-daemon1795-21rtkit-daemon21:46:120
179699270,3rtkit-daemon0-21swapper/119:21:120
179699270,3rtkit-daemon0-21swapper/022:03:231
179699270,3rtkit-daemon0-21swapper/020:12:171
179699260,4rtkit-daemon1795-21rtkit-daemon21:12:390
179699260,4rtkit-daemon1795-21rtkit-daemon00:26:501
19355799250,6cyclictest0-21swapper/122:53:381
19355799250,6cyclictest0-21swapper/121:15:401
19355799250,6cyclictest0-21swapper/120:17:061
19355799250,5cyclictest0-21swapper/122:39:431
179699250,4rtkit-daemon1795-21rtkit-daemon20:59:020
179699250,3rtkit-daemon0-21swapper/019:47:161
179699250,1rtkit-daemon1795-21rtkit-daemon21:59:130
179699250,1rtkit-daemon1795-21rtkit-daemon19:53:051
3082442240,4chrt308243-21sort23:55:251
19355799242,16cyclictest284953-21apt-get23:00:141
19355799242,16cyclictest233692-21apt-get20:50:151
193557992414,6cyclictest262998-21apt-get22:05:141
19355799240,6cyclictest0-21swapper/122:44:261
19355399243,14cyclictest225714-40apt-check20:30:130
179699240,1rtkit-daemon1795-21rtkit-daemon22:21:551
179699240,1rtkit-daemon1795-21rtkit-daemon20:33:321
179699240,19rtkit-daemon1795-21rtkit-daemon23:30:060
19355799233,14cyclictest313100-21apt-get00:10:151
19355799232,15cyclictest247397-21apt-get21:25:161
19355799232,14cyclictest289266-21apt-get23:10:141
19355799230,6cyclictest0-21swapper/121:59:061
193553992318,3cyclictest307041-21unin-run23:55:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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