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2026-03-10 - 09:46
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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 Tue Mar 10, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17302880,1sleep21697-21sshd21:32:432
217782740,0sleep321760-21sshd23:36:243
118282740,1sleep233-21ksoftirqd/222:27:052
23362660,0sleep20-21swapper/200:32:302
236552590,2sleep11127699cyclictest23:53:041
41092530,0sleep20-21swapper/221:57:062
41092530,0sleep20-21swapper/221:57:062
245762530,0sleep30-21swapper/323:14:413
189432530,0sleep30-21swapper/322:57:473
181242530,0sleep20-21swapper/223:03:112
154592530,0sleep20-21swapper/223:35:512
325472520,0sleep20-21swapper/222:14:002
273232520,0sleep09-21ksoftirqd/023:36:530
79682510,0sleep20-21swapper/222:56:502
232352510,0sleep00-21swapper/022:02:370
160062510,0sleep00-21swapper/022:52:030
156942510,0sleep20-21swapper/200:19:572
109622510,0sleep30-21swapper/300:33:143
97012500,0sleep00-21swapper/000:11:050
8722500,0sleep00-21swapper/000:15:500
257722500,0sleep30-21swapper/321:15:063
122412500,0sleep30-21swapper/322:24:263
293782490,0sleep00-21swapper/023:59:030
164142490,0sleep00-21swapper/022:24:480
310302480,0sleep20-21swapper/223:15:112
271682480,2sleep31128099cyclictest23:17:363
314352470,0sleep00-21swapper/000:29:320
269032470,0sleep1231rcuc/122:42:021
162352470,0sleep20-21swapper/221:13:242
39662450,0sleep10-21swapper/121:57:051
39662450,0sleep10-21swapper/121:57:041
1080523929,6sleep20-21swapper/219:05:282
311762380,1sleep031160-21sshd23:17:590
86892370,1sleep18692-21bash22:29:361
156162370,2sleep11127699cyclictest23:41:221
186362350,0sleep0622-13audispd23:08:400
103262263,7sleep30-21swapper/319:05:173
104352229,7sleep00-21swapper/019:05:180
93722209,7sleep10-21swapper/119:05:031
323792200,1sleep032376-21lspci22:28:520
324412180,0sleep10-21swapper/122:48:001
326742170,0sleep10-21swapper/121:49:521
57082160,0sleep30-21swapper/321:22:433
46582160,0sleep14572-21sshd22:56:331
26782160,0sleep00-21swapper/021:39:460
188902160,0sleep2311rcuc/222:44:072
73372150,0sleep30-21swapper/321:57:273
73372150,0sleep30-21swapper/321:57:273
23082150,0sleep00-21swapper/023:12:460
1128099150,1cyclictest642-21systemd-logind22:11:473
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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