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2026-04-08 - 00:46
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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 50 highest latencies:
System rackcslot4.osadl.org (updated Tue Apr 07, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6962132275194,28sleep10-21swapper/107:07:271
6962242259188,26sleep00-21swapper/007:07:340
7863142690,17sleep0786296-21awk10:05:230
7714512680,1chrt771450-21grep09:45:211
8181232550,4sleep00-21swapper/010:50:220
179699520,3rtkit-daemon1795-21rtkit-daemon10:47:080
179699510,4rtkit-daemon1795-21rtkit-daemon10:56:101
179699510,4rtkit-daemon1795-21rtkit-daemon09:09:030
179699500,4rtkit-daemon1795-21rtkit-daemon11:17:051
179699490,3rtkit-daemon1795-21rtkit-daemon09:23:401
179699450,4rtkit-daemon1795-21rtkit-daemon11:48:571
8044072440,4sleep0745016-21diskmemload10:30:230
179699440,4rtkit-daemon1795-21rtkit-daemon11:24:261
179699420,3rtkit-daemon0-21swapper/008:25:120
179699400,11rtkit-daemon801437-21ssh10:25:450
179699380,5rtkit-daemon876963-21ssh12:13:280
179699380,5rtkit-daemon794321-21sh10:17:061
179699380,3rtkit-daemon0-21swapper/111:06:591
179699370,5rtkit-daemon878032-21dpkg12:15:030
7789702360,6sleep00-21swapper/009:55:190
179699360,3rtkit-daemon0-21swapper/012:08:100
179699350,5rtkit-daemon745016-21diskmemload11:00:381
179699350,3rtkit-daemon0-21swapper/110:20:310
179699350,3rtkit-daemon0-21swapper/107:53:581
179699350,3rtkit-daemon0-21swapper/107:11:371
179699350,3rtkit-daemon0-21swapper/008:38:530
179699340,3rtkit-daemon0-21swapper/111:08:050
179699340,3rtkit-daemon0-21swapper/008:01:220
179699340,3rtkit-daemon0-21swapper/007:44:210
179699330,4rtkit-daemon1795-21rtkit-daemon12:28:061
179699330,4rtkit-daemon1795-21rtkit-daemon11:32:191
179699330,4rtkit-daemon1795-21rtkit-daemon10:20:181
179699330,4rtkit-daemon1795-21rtkit-daemon08:34:020
179699330,3rtkit-daemon1795-21rtkit-daemon11:52:571
179699330,3rtkit-daemon1795-21rtkit-daemon09:11:530
179699330,3rtkit-daemon1795-21rtkit-daemon07:17:161
179699330,3rtkit-daemon0-21swapper/111:23:180
179699330,3rtkit-daemon0-21swapper/011:56:081
179699330,3rtkit-daemon0-21swapper/008:31:571
179699320,4rtkit-daemon1795-21rtkit-daemon11:26:451
179699320,4rtkit-daemon1795-21rtkit-daemon09:57:041
179699320,3rtkit-daemon1795-21rtkit-daemon12:14:081
179699320,3rtkit-daemon0-21swapper/112:21:580
179699320,3rtkit-daemon0-21swapper/111:53:100
179699320,3rtkit-daemon0-21swapper/111:49:170
179699320,3rtkit-daemon0-21swapper/109:30:100
179699320,3rtkit-daemon0-21swapper/107:51:330
179699320,3rtkit-daemon0-21swapper/107:25:470
179699320,3rtkit-daemon0-21swapper/008:37:251
179699320,3rtkit-daemon0-21swapper/008:04:461
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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