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2024-04-27 - 01:38
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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: ondemand
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack5slot4.osadl.org (updated Fri Apr 26, 2024 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26562112102,6sleep10-21swapper/107:05:321
28132111101,7sleep30-21swapper/307:07:343
27652111102,6sleep00-21swapper/007:06:560
2694210797,7sleep20-21swapper/207:06:012
179002950,0sleep117899-21ls07:20:131
225432650,0sleep00-21swapper/011:50:290
251782640,0sleep20-21swapper/210:08:402
81292630,0sleep30-21swapper/312:00:133
101212550,0sleep310124-21kthreadcore10:35:203
99092540,0sleep30-21swapper/310:52:393
283602510,0sleep20-21swapper/209:51:222
188282490,1sleep30-21swapper/308:15:013
317799270,26cyclictest0-21swapper/212:29:332
317799270,26cyclictest0-21swapper/211:45:372
317799270,26cyclictest0-21swapper/211:42:102
317799270,26cyclictest0-21swapper/210:51:392
317799270,26cyclictest0-21swapper/209:07:192
3177992622,3cyclictest0-21swapper/209:35:082
3177992621,4cyclictest0-21swapper/211:54:342
317799260,25cyclictest0-21swapper/210:41:062
317799260,25cyclictest0-21swapper/209:14:562
316799260,25cyclictest0-21swapper/011:13:210
317799250,24cyclictest0-21swapper/209:28:162
317799250,23cyclictest18216-21apt-get08:14:592
317799242,21cyclictest0-21swapper/211:59:242
3177992416,7cyclictest0-21swapper/209:30:442
317799240,23cyclictest0-21swapper/210:12:112
317399241,22cyclictest0-21swapper/111:58:341
3167992422,1cyclictest0-21swapper/007:24:590
881622319,3sleep30-21swapper/307:12:483
317799232,20cyclictest0-21swapper/209:15:362
3177992321,2cyclictest0-21swapper/208:42:282
3177992320,2cyclictest0-21swapper/210:04:402
317799230,22cyclictest0-21swapper/212:20:542
317799230,22cyclictest0-21swapper/212:14:422
317799230,22cyclictest0-21swapper/211:37:592
317799230,22cyclictest0-21swapper/211:24:372
317799230,22cyclictest0-21swapper/210:32:512
317799230,21cyclictest0-21swapper/212:35:552
317799230,18cyclictest0-21swapper/211:32:352
317399231,3cyclictest0-21swapper/111:06:091
317399231,21cyclictest0-21swapper/111:17:481
317399231,21cyclictest0-21swapper/111:14:351
317399230,22cyclictest0-21swapper/108:31:191
317399230,22cyclictest0-21swapper/107:48:541
316799238,14cyclictest0-21swapper/010:50:310
316799230,22cyclictest0-21swapper/012:02:150
316799230,22cyclictest0-21swapper/010:49:020
316799230,21cyclictest0-21swapper/011:45:410
317799226,15cyclictest0-21swapper/209:45:512
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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