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2025-08-28 - 22:39
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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 rack5slot0.osadl.org (updated Thu Aug 28, 2025 12:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1321321570,5sleep0286099cyclictest12:12:230
1321321570,5sleep0286099cyclictest12:12:230
3269321440,2sleep10-21swapper/109:57:481
3078921370,2sleep0286099cyclictest09:20:440
818121360,4sleep3286399cyclictest12:00:193
717121170,2sleep17164-21sshd12:29:191
957521080,2sleep30-21swapper/309:15:153
2637121080,1sleep00-21swapper/011:56:060
254021060,1sleep12529-21sshd10:11:161
45462950,2sleep20-21swapper/212:29:042
311972920,2sleep31847-21nfsd12:28:333
26492920,1sleep12636-21sshd11:56:571
181872910,1sleep01847-21nfsd10:16:080
279212900,3sleep3286399cyclictest11:44:483
132652900,2sleep213264-21sshd10:09:082
206042880,0sleep00-21swapper/009:00:000
311552870,2sleep30-21swapper/311:56:353
260782870,1sleep00-21swapper/011:23:370
174612870,85sleep226950irq/26-ahci[00010:26:052
63072860,1sleep20-21swapper/210:31:362
59612860,0sleep05958-21sshd10:31:350
51622860,2sleep20-21swapper/212:08:482
237628637,44sleep10-21swapper/107:07:181
225928633,48sleep30-21swapper/307:05:483
114242850,0sleep011425-21sshd10:02:200
226232830,2sleep10-21swapper/110:50:071
68982820,0sleep00-21swapper/012:26:180
79802810,3sleep1286199cyclictest09:45:231
50522810,2sleep20-21swapper/210:58:102
311152810,2sleep331106-21sshd11:00:433
304392810,1sleep10-21swapper/110:07:351
19932810,4sleep00-21swapper/010:27:530
250742800,2sleep10-21swapper/111:50:151
241662800,1sleep10-21swapper/110:33:361
106232800,3sleep210621-21sshd11:54:492
66402790,2sleep30-21swapper/310:21:363
210502790,2sleep321043-21cp10:46:333
182832790,1sleep01847-21nfsd12:01:120
227432780,1sleep122745-21id11:19:571
32602770,2sleep10-21swapper/107:10:131
26132770,1sleep20-21swapper/209:14:342
50872760,2sleep15085-21bash09:11:081
267612760,1sleep20-21swapper/212:04:592
173112740,2sleep3286399cyclictest10:06:133
54932730,4sleep2286299cyclictest12:17:302
259482730,1sleep10-21swapper/111:03:381
213552730,0sleep00-21swapper/010:06:380
105882730,1sleep00-21swapper/012:38:200
38122720,2sleep20-21swapper/209:18:022
271382720,5sleep0286099cyclictest12:22:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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