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2024-04-14 - 21:29
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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 rackaslot0.osadl.org (updated Sun Apr 14, 2024 12:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
56982640,0sleep00-21swapper/011:55:070
56982640,0sleep00-21swapper/011:55:070
1936126226,18sleep10-21swapper/107:06:381
133462610,1sleep213345-21sshd12:26:182
275302580,1sleep01784-21runrttasks11:03:190
26792580,1sleep10-21swapper/111:48:391
54772570,0sleep20-21swapper/210:38:012
34792560,0sleep3381ktimersoftd/309:12:163
127282550,1sleep30-21swapper/312:05:003
267032540,5sleep03-21ksoftirqd/012:27:320
213932540,0sleep00-21swapper/012:39:180
191492540,1sleep019146-21bash10:43:520
323542520,1sleep132350-21bash12:15:551
1960325227,21sleep30-21swapper/307:09:373
115152520,1sleep319890-21cyclictest10:42:593
42102510,0sleep30-21swapper/311:11:393
323672510,1sleep11784-21runrttasks11:11:131
1949925128,19sleep00-21swapper/007:08:260
114132510,0sleep111410-21sshd10:38:401
104732510,1sleep11784-21runrttasks09:05:141
275872500,0sleep012600-21diskmemload10:09:230
84182490,1sleep10-21swapper/109:45:511
274972490,0sleep31784-21runrttasks09:27:503
241452490,0sleep30-21swapper/309:34:033
1748924927,18sleep20-21swapper/207:05:032
131182480,0sleep00-21swapper/009:36:180
129892480,0sleep00-21swapper/011:05:230
207232470,0sleep30-21swapper/309:20:213
169252470,1sleep21989399cyclictest09:16:402
167052450,0sleep10-21swapper/111:23:071
312472360,0sleep331249-21id09:38:123
174582340,0sleep317459-21bash10:15:023
293572280,0sleep029353-21cp11:51:060
52442260,1sleep31784-21runrttasks11:04:263
27942260,0sleep12796-21id12:04:061
161512260,0sleep216152-21bash09:13:312
308302230,1sleep01784-21runrttasks10:48:400
19893992220,1cyclictest0-21swapper/211:26:422
19891992220,1cyclictest22729-21sshd11:26:420
1989499211,1cyclictest120050irq/25-eth011:59:263
1989499211,1cyclictest120050irq/25-eth011:59:263
19892991914,2cyclictest13685-21bash10:11:101
163892190,0sleep21547-21nfsd10:00:552
309252170,0sleep00-21swapper/009:21:180
261842170,1sleep20-21swapper/209:27:412
19894991716,1cyclictest14714-21sshd09:56:523
19893991715,1cyclictest0-21swapper/210:18:472
19891991715,1cyclictest20601-21sshd10:18:470
75162160,0sleep2291ktimersoftd/210:31:242
19894991611,2cyclictest28084-21sshd09:51:323
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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