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2026-05-08 - 06:00
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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 Fri May 08, 2026 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2336712268209,43sleep10-21swapper/119:07:331
2335222236194,28sleep00-21swapper/019:05:560
179699590,3rtkit-daemon1795-21rtkit-daemon23:06:351
179699570,4rtkit-daemon1795-21rtkit-daemon19:51:421
179699550,3rtkit-daemon1795-21rtkit-daemon22:57:551
179699540,4rtkit-daemon1795-21rtkit-daemon20:37:281
179699530,4rtkit-daemon1795-21rtkit-daemon22:11:031
179699520,9rtkit-daemon0-21swapper/119:18:041
179699500,4rtkit-daemon1795-21rtkit-daemon20:59:160
179699500,4rtkit-daemon1795-21rtkit-daemon20:44:181
179699490,3rtkit-daemon1795-21rtkit-daemon21:55:501
4065762470,5sleep10-21swapper/123:54:311
3871042470,3sleep00-21swapper/023:28:260
3838422470,3sleep10-21swapper/123:24:171
179699470,3rtkit-daemon1795-21rtkit-daemon21:50:110
179699460,4rtkit-daemon1795-21rtkit-daemon21:10:060
179699460,3rtkit-daemon1795-21rtkit-daemon22:31:521
179699460,3rtkit-daemon1795-21rtkit-daemon20:08:431
179699410,3rtkit-daemon0-21swapper/021:08:070
179699400,5rtkit-daemon282698-21diskmemload21:58:390
2430822380,2sleep0243171-21memory19:30:200
179699380,5rtkit-daemon399145-21apt-get23:45:111
179699380,3rtkit-daemon0-21swapper/122:01:521
179699370,5rtkit-daemon423428-21ssh00:18:151
179699370,4rtkit-daemon1795-21rtkit-daemon23:46:560
179699370,3rtkit-daemon0-21swapper/121:22:581
179699370,3rtkit-daemon0-21swapper/021:32:360
179699370,3rtkit-daemon0-21swapper/000:35:521
179699360,4rtkit-daemon304789-21ssh21:37:181
179699360,4rtkit-daemon1795-21rtkit-daemon00:27:060
179699360,4rtkit-daemon0-21swapper/122:49:500
179699360,3rtkit-daemon0-21swapper/021:41:321
179699350,4rtkit-daemon1795-21rtkit-daemon00:02:060
179699350,3rtkit-daemon0-21swapper/122:30:490
179699350,3rtkit-daemon0-21swapper/120:20:381
179699350,3rtkit-daemon0-21swapper/021:05:461
179699350,3rtkit-daemon0-21swapper/021:02:230
179699350,3rtkit-daemon0-21swapper/000:01:521
179699340,3rtkit-daemon0-21swapper/120:32:420
179699340,3rtkit-daemon0-21swapper/119:40:010
179699340,3rtkit-daemon0-21swapper/021:54:431
179699340,1rtkit-daemon1795-21rtkit-daemon22:29:111
179699330,3rtkit-daemon1795-21rtkit-daemon20:27:021
179699330,3rtkit-daemon1795-21rtkit-daemon19:20:171
179699330,3rtkit-daemon0-21swapper/122:57:430
179699320,3rtkit-daemon0-21swapper/119:17:490
179699310,4rtkit-daemon1795-21rtkit-daemon21:37:100
179699310,3rtkit-daemon1795-21rtkit-daemon19:31:481
179699300,5rtkit-daemon282698-21diskmemload23:17:250
179699300,4rtkit-daemon394293-21ssh23:37:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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