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2025-12-09 - 00:22
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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 Mon Dec 08, 2025 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
107022970,0sleep21345999cyclictest09:14:422
223532930,0sleep00-21swapper/009:15:480
295182920,0sleep30-21swapper/310:53:353
175782880,0sleep317579-21sshd11:42:373
51452770,0sleep20-21swapper/210:47:132
232192750,1sleep01344899cyclictest07:30:160
165882600,0sleep20-21swapper/211:14:122
304202590,0sleep00-21swapper/011:50:550
27712590,0sleep20-21swapper/211:44:362
183082570,1sleep341-21ksoftirqd/310:09:533
26342550,1sleep02623-21sshd11:26:560
10132540,0sleep00-21swapper/011:19:390
76922530,1sleep21095-21nfsd10:58:182
4792530,1sleep0475-21lspci09:43:240
239982520,0sleep10-21swapper/112:21:361
17272520,1sleep21723-21sshd10:19:062
111852520,0sleep00-21swapper/010:27:000
90022510,0sleep20-21swapper/210:26:462
286272500,0sleep20-21swapper/210:07:242
260722500,0sleep10-21swapper/109:39:031
177642500,0sleep10-21swapper/110:16:571
158322500,2sleep21345999cyclictest11:28:222
49652490,7sleep375550irq/24-eno1-rx-10:01:213
28952490,0sleep00-21swapper/011:58:480
26152470,0sleep10-21swapper/111:37:221
252492450,0sleep30-21swapper/312:05:083
45112440,0sleep00-21swapper/012:26:160
197962410,1sleep019793-21lspci09:45:190
315042400,0sleep00-21swapper/012:35:250
39412380,0sleep10-21swapper/110:43:401
14122350,0sleep20-21swapper/212:35:402
132082277,7sleep20-21swapper/207:08:132
115642276,7sleep10-21swapper/107:05:081
201022220,0sleep10-21swapper/109:15:321
1307822211,7sleep00-21swapper/007:06:350
1156822210,7sleep30-21swapper/307:05:113
149402190,0sleep10-21swapper/109:48:241
224052180,1sleep30-21swapper/312:24:553
293812170,0sleep30-21swapper/310:18:343
306102160,1sleep130600-21cp11:33:311
241842160,0sleep224181-21lspci12:15:082
19922160,1sleep11988-21sshd11:16:071
111532160,0sleep011156-21bash11:20:400
98512150,0sleep00-21swapper/011:13:260
94502150,0sleep30-21swapper/309:22:033
228852150,0sleep30-21swapper/312:04:523
314122140,0sleep10-21swapper/111:04:421
292682140,0sleep00-21swapper/010:57:050
279452140,0sleep3391rcuc/311:33:133
205942140,0sleep220592-21lspci09:55:582
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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