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2026-05-07 - 15:08
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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 Thu May 07, 2026 12:44:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27929332266191,26sleep00-21swapper/007:05:340
27929332266191,26sleep00-21swapper/007:05:330
27929652259184,27sleep10-21swapper/107:05:551
27929652259184,27sleep10-21swapper/107:05:541
286387621340,4sleep10-21swapper/109:35:231
179699610,3rtkit-daemon1795-21rtkit-daemon12:09:491
29962682590,4sleep10-21swapper/112:34:231
179699570,4rtkit-daemon1795-21rtkit-daemon10:15:160
179699570,4rtkit-daemon1795-21rtkit-daemon10:15:160
179699560,4rtkit-daemon1795-21rtkit-daemon07:27:011
179699550,3rtkit-daemon0-21swapper/108:04:461
29550272530,4sleep10-21swapper/111:38:471
179699530,5rtkit-daemon1795-21rtkit-daemon11:19:210
179699530,3rtkit-daemon0-21swapper/108:11:071
29219822520,4sleep12921987-21idleruntime-cro10:55:001
179699520,4rtkit-daemon1795-21rtkit-daemon11:25:090
179699520,3rtkit-daemon1795-21rtkit-daemon10:36:231
179699510,6rtkit-daemon0-21swapper/107:59:421
179699510,4rtkit-daemon1795-21rtkit-daemon08:30:510
179699510,3rtkit-daemon0-21swapper/109:29:461
179699510,3rtkit-daemon0-21swapper/107:12:321
179699500,3rtkit-daemon1795-21rtkit-daemon11:31:371
179699500,3rtkit-daemon0-21swapper/111:48:101
179699500,3rtkit-daemon0-21swapper/110:06:061
179699490,5rtkit-daemon2966677-21munin-run11:54:590
179699480,4rtkit-daemon1795-21rtkit-daemon12:10:101
179699480,3rtkit-daemon0-21swapper/112:15:351
179699480,3rtkit-daemon0-21swapper/110:33:551
179699480,3rtkit-daemon0-21swapper/108:08:311
179699480,3rtkit-daemon0-21swapper/107:21:541
179699470,3rtkit-daemon1795-21rtkit-daemon10:25:491
179699470,3rtkit-daemon0-21swapper/112:26:131
179699470,3rtkit-daemon0-21swapper/112:26:121
179699470,3rtkit-daemon0-21swapper/112:04:201
179699470,3rtkit-daemon0-21swapper/111:29:061
179699470,3rtkit-daemon0-21swapper/109:56:111
179699470,3rtkit-daemon0-21swapper/109:44:011
179699470,17rtkit-daemon1795-21rtkit-daemon10:24:111
29499602460,3sleep00-21swapper/011:30:550
279351199465,22cyclictest2840858-21apt-get09:05:131
179699460,3rtkit-daemon0-21swapper/108:17:511
179699460,3rtkit-daemon0-21swapper/108:17:511
179699460,3rtkit-daemon0-21swapper/107:18:201
279351199457,14cyclictest2930151-21apt-get11:05:141
2793511994510,13cyclictest2882967-21seq10:00:491
179699450,3rtkit-daemon0-21swapper/110:41:031
179699450,3rtkit-daemon0-21swapper/107:52:251
279351199445,22cyclictest2858656-21apt-get09:30:121
179699440,3rtkit-daemon1795-21rtkit-daemon11:18:091
279351199433,20cyclictest2834986-21apt-get08:50:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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