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2026-06-27 - 15:43
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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 Jun 27, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26406562309267,27sleep00-21swapper/007:06:230
26406902291189,87sleep10-21swapper/107:06:431
27123022630,1sleep00-21swapper/009:40:150
179699550,4rtkit-daemon1795-21rtkit-daemon07:36:220
27171862540,3chrt0-21swapper/109:45:271
179699540,4rtkit-daemon1795-21rtkit-daemon10:31:100
179699530,4rtkit-daemon1795-21rtkit-daemon11:06:190
179699530,4rtkit-daemon1795-21rtkit-daemon09:45:480
179699500,3rtkit-daemon1795-21rtkit-daemon09:13:070
179699500,3rtkit-daemon1795-21rtkit-daemon08:09:501
179699490,4rtkit-daemon1795-21rtkit-daemon11:15:521
179699490,2rtkit-daemon1795-21rtkit-daemon07:14:520
179699480,8rtkit-daemon2777056-21apt-get11:10:141
179699480,8rtkit-daemon2777056-21apt-get11:10:141
179699470,3rtkit-daemon1795-21rtkit-daemon09:36:220
179699470,3rtkit-daemon1795-21rtkit-daemon08:38:290
179699460,3rtkit-daemon1795-21rtkit-daemon09:14:181
179699450,4rtkit-daemon1795-21rtkit-daemon10:45:350
179699450,1rtkit-daemon1795-21rtkit-daemon07:17:581
179699440,4rtkit-daemon1795-21rtkit-daemon10:43:190
179699440,4rtkit-daemon1795-21rtkit-daemon08:52:400
179699440,3rtkit-daemon0-21swapper/009:23:000
179699430,4rtkit-daemon1795-21rtkit-daemon09:57:070
179699430,1rtkit-daemon1795-21rtkit-daemon12:04:161
179699430,1rtkit-daemon1795-21rtkit-daemon10:17:391
179699420,4rtkit-daemon1795-21rtkit-daemon11:21:060
179699420,3rtkit-daemon1795-21rtkit-daemon09:09:451
179699420,1rtkit-daemon1795-21rtkit-daemon10:02:361
179699410,5rtkit-daemon2793452-21ssh11:35:040
179699410,3rtkit-daemon0-21swapper/108:16:140
179699410,3rtkit-daemon0-21swapper/008:02:290
179699410,3rtkit-daemon0-21swapper/007:31:020
179699410,1rtkit-daemon1795-21rtkit-daemon08:57:511
179699400,4rtkit-daemon1795-21rtkit-daemon10:02:570
179699400,4rtkit-daemon1795-21rtkit-daemon09:28:500
179699400,3rtkit-daemon0-21swapper/112:20:340
179699400,1rtkit-daemon1795-21rtkit-daemon10:47:551
179699400,1rtkit-daemon1795-21rtkit-daemon10:43:121
179699390,4rtkit-daemon1795-21rtkit-daemon11:17:210
179699390,4rtkit-daemon1795-21rtkit-daemon10:19:430
179699380,4rtkit-daemon1795-21rtkit-daemon12:00:520
179699380,4rtkit-daemon1795-21rtkit-daemon07:19:060
179699380,3rtkit-daemon1795-21rtkit-daemon11:11:110
179699380,3rtkit-daemon1795-21rtkit-daemon11:11:100
179699380,3rtkit-daemon1795-21rtkit-daemon09:53:480
179699380,3rtkit-daemon0-21swapper/111:45:040
179699380,3rtkit-daemon0-21swapper/108:10:040
179699380,2rtkit-daemon1795-21rtkit-daemon07:54:520
27472772370,7sleep10-21swapper/110:28:371
179699370,3rtkit-daemon0-21swapper/009:56:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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