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2026-03-28 - 20:02
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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 Sat Mar 28, 2026 12:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16507022261184,28sleep10-21swapper/107:07:421
16508522258180,28sleep00-21swapper/007:09:190
179699730,5rtkit-daemon1795-21rtkit-daemon12:21:240
179699710,4rtkit-daemon1795-21rtkit-daemon11:06:060
179699620,3rtkit-daemon1795-21rtkit-daemon11:53:261
179699520,4rtkit-daemon1795-21rtkit-daemon11:40:511
179699510,4rtkit-daemon1795-21rtkit-daemon12:10:391
179699500,4rtkit-daemon1795-21rtkit-daemon10:47:041
179699500,3rtkit-daemon1795-21rtkit-daemon11:34:561
179699500,3rtkit-daemon1795-21rtkit-daemon08:21:461
179699490,3rtkit-daemon1795-21rtkit-daemon08:25:311
17693412480,2sleep01769343-21uname10:45:190
179699460,3rtkit-daemon1795-21rtkit-daemon07:24:391
18265792430,1sleep10-21swapper/112:05:211
179699410,5rtkit-daemon1670474-21irqstats07:55:191
179699410,5rtkit-daemon1670474-21irqstats07:55:191
165102699393,15cyclictest1754345-21apt-get10:25:141
179699380,3rtkit-daemon0-21swapper/112:17:461
179699380,3rtkit-daemon0-21swapper/110:27:390
179699380,3rtkit-daemon0-21swapper/110:10:180
179699380,3rtkit-daemon0-21swapper/008:09:480
179699380,3rtkit-daemon0-21swapper/007:38:580
179699370,5rtkit-daemon1833675-21switchtime12:15:250
179699370,5rtkit-daemon1700313-21tr09:10:140
179699370,4rtkit-daemon1795-21rtkit-daemon09:49:440
179699370,3rtkit-daemon0-21swapper/110:52:400
179699370,3rtkit-daemon0-21swapper/010:39:430
179699370,3rtkit-daemon0-21swapper/008:52:390
179699360,4rtkit-daemon1795-21rtkit-daemon07:48:220
179699360,3rtkit-daemon0-21swapper/111:35:371
179699360,3rtkit-daemon0-21swapper/111:22:091
179699360,3rtkit-daemon0-21swapper/111:12:171
179699360,3rtkit-daemon0-21swapper/108:41:281
179699350,3rtkit-daemon0-21swapper/107:34:361
18453362340,21sleep10-21swapper/112:32:351
179699340,5rtkit-daemon1828291-20journal-offline12:08:330
179699340,4rtkit-daemon1795-21rtkit-daemon09:24:050
179699340,3rtkit-daemon0-21swapper/111:29:380
179699340,3rtkit-daemon0-21swapper/108:58:251
179699340,3rtkit-daemon0-21swapper/009:16:231
179699330,4rtkit-daemon1795-21rtkit-daemon08:00:470
179699330,3rtkit-daemon1795-21rtkit-daemon11:18:471
179699330,3rtkit-daemon1795-21rtkit-daemon11:18:471
179699330,3rtkit-daemon0-21swapper/107:21:270
179699330,3rtkit-daemon0-21swapper/009:51:391
179699330,3rtkit-daemon0-21swapper/008:52:471
1651026993330,2cyclictest66950irq/132-enp2s010:44:441
1651023993326,5cyclictest1815917-21cat11:50:190
179699320,4rtkit-daemon1795-21rtkit-daemon07:59:160
179699320,4rtkit-daemon1795-21rtkit-daemon07:59:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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