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2025-10-24 - 04:12
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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 rack2slot0.osadl.org (updated Fri Oct 24, 2025 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2166921010,0sleep20-21swapper/222:20:092
72002990,0sleep10-21swapper/100:02:541
40952960,0sleep20-21swapper/222:47:252
246032930,1sleep024600-21sshd22:46:110
128012930,0sleep20-21swapper/221:27:312
243582920,0sleep00-21swapper/021:44:480
192342880,0sleep10-21swapper/100:31:021
184822690,0sleep10-21swapper/122:55:221
253992680,0sleep10-21swapper/100:35:141
267342670,0sleep20-21swapper/200:35:192
138452640,0sleep00-21swapper/023:27:480
202622610,1sleep320250-21sshd23:38:123
97712600,0sleep30-21swapper/323:59:563
97712600,0sleep30-21swapper/323:59:553
316302600,0sleep10-21swapper/123:13:151
270072580,0sleep30-21swapper/323:09:303
103632580,0sleep20-21swapper/223:20:542
312892570,0sleep20-21swapper/223:49:052
175712560,0sleep00-21swapper/000:20:240
102662560,0sleep10-21swapper/122:22:131
194752550,1sleep119477-21bash23:02:021
169062550,0sleep10-21swapper/123:18:211
93852540,0sleep30-21swapper/300:19:353
43362540,1sleep34333-21bash22:08:413
305792540,0sleep30-21swapper/322:59:593
176932520,0sleep217680-21sshd22:06:442
156952510,1sleep315693-21lspci22:42:063
55862500,0sleep20-21swapper/222:44:212
50102500,0sleep05006-21lspci21:52:330
239612500,0sleep30-21swapper/320:45:163
153742500,1sleep115376-21gltestperf00:10:141
198562470,0sleep00-21swapper/020:35:160
257082460,1sleep225710-21bash21:19:022
145692420,0sleep314492-21sshd22:19:273
182922410,0sleep218288-21bash21:21:312
182922410,0sleep218288-21bash21:21:302
100472370,2sleep01631099cyclictest23:20:520
73382360,0sleep00-21swapper/023:30:210
206962360,0sleep20-21swapper/221:44:252
8322350,0sleep00-21swapper/021:16:240
259732350,0sleep20-21swapper/221:57:502
161272309,7sleep20-21swapper/219:08:542
159442297,7sleep00-21swapper/019:06:400
159202268,4sleep10-21swapper/119:06:211
1589822513,7sleep30-21swapper/319:06:073
172212200,0sleep30-21swapper/323:47:393
186152190,1sleep00-21swapper/023:44:350
186152190,1sleep00-21swapper/023:44:340
35772180,1sleep33575-21bash22:50:353
172882180,0sleep30-21swapper/322:26:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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