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2023-09-26 - 14:19
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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 Tue Sep 26, 2023 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2608821220,1sleep026089-21sshd12:05:070
550421160,3sleep32949899cyclictest11:33:253
29301210432,44sleep30-21swapper/307:09:513
173262950,1sleep00-21swapper/012:29:560
78692910,0sleep00-21swapper/010:11:340
303202910,2sleep30-21swapper/311:50:473
229022890,2sleep31877-21nfsd09:45:403
317182870,2sleep30-21swapper/312:16:413
100742870,3sleep20-21swapper/211:33:552
81622860,3sleep12948999cyclictest11:33:421
314152860,1sleep00-21swapper/011:29:000
324252850,1sleep041ktimersoftd/011:06:000
267222850,2sleep10-21swapper/110:49:341
239332850,1sleep12121-21runrttasks12:30:341
247192840,0sleep041ktimersoftd/009:22:250
40572830,2sleep14058-21sshd10:30:421
314162830,2sleep331404-21sshd10:02:353
2916528332,47sleep10-21swapper/107:08:211
40942820,2sleep10-21swapper/109:23:541
106912810,2sleep110692-21bash10:27:421
293542800,1sleep20-21swapper/212:16:232
2903728033,9sleep20-21swapper/207:06:422
31792790,1sleep20-21swapper/210:26:472
112872790,2sleep111288-21sshd11:23:001
44302770,2sleep32949899cyclictest09:23:563
266082770,3sleep22949499cyclictest11:46:462
218002770,1sleep10-21swapper/110:21:091
317662760,2sleep10-21swapper/111:50:571
234442760,2sleep223446-21bash12:37:592
75422740,4sleep32949899cyclictest11:02:593
232772730,3sleep32949899cyclictest10:53:053
50122720,0sleep05014-21id10:34:580
92562710,1sleep20-21swapper/209:36:132
283852710,2sleep32949899cyclictest10:21:593
129072470,0sleep312911-21id09:56:183
2914924134,4sleep00-21swapper/007:08:080
141472370,0sleep214149-21sshd10:55:482
247132350,1sleep00-21swapper/010:45:250
282662340,3sleep30-21swapper/312:12:393
34542310,2sleep10-21swapper/111:36:471
225872300,2sleep322588-21sshd09:41:483
317632290,27sleep1138550irq/27-eth010:14:401
77412270,1sleep20-21swapper/212:21:212
269162270,3sleep226908-21sshd12:05:142
35502260,3sleep20-21swapper/210:42:502
307012260,1sleep02121-21runrttasks10:18:230
257022250,1sleep025700-21bash11:35:330
120402250,2sleep112038-21sshd12:18:111
22802242,20sleep1138550irq/27-eth011:58:451
227932240,2sleep20-21swapper/209:45:402
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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