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2025-12-05 - 13:38
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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: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack0slot0.osadl.org (updated Fri Dec 05, 2025 12:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
262921220,0sleep62630-21sshd09:41:316
1524821150,0sleep10-21swapper/110:06:581
126682840,1sleep40-21swapper/410:15:584
164932780,0sleep60-21swapper/611:42:076
133132780,0sleep40-21swapper/412:05:214
107702750,1sleep6671rcuc/609:52:126
267842740,1sleep00-21swapper/012:16:480
56842730,0sleep10-21swapper/112:32:361
184952730,0sleep50-21swapper/510:26:175
102232730,0sleep60-21swapper/609:47:246
152792720,0sleep20-21swapper/209:38:462
152792720,0sleep20-21swapper/209:38:462
46982690,1sleep50-21swapper/509:27:435
248562660,0sleep60-21swapper/611:29:176
67452650,0sleep10-21swapper/111:35:531
127342620,4sleep61312499cyclictest11:17:556
1286025948,7sleep50-21swapper/507:09:485
1281825848,6sleep10-21swapper/107:09:201
39562570,4sleep61312499cyclictest10:24:186
1282325747,6sleep60-21swapper/607:09:246
1264725432,7sleep30-21swapper/307:07:143
1251425242,6sleep70-21swapper/707:05:327
1285525028,7sleep00-21swapper/007:09:430
90822450,4sleep71313399cyclictest11:12:357
90822450,4sleep71313399cyclictest11:12:357
1281224231,7sleep40-21swapper/407:09:154
1280124029,7sleep20-21swapper/207:09:042
1309499300,26cyclictest0-21swapper/110:40:461
1309499270,26cyclictest0-21swapper/110:35:101
138932250,0sleep70-21swapper/710:20:507
153772240,0sleep4501ktimersoftd/410:49:404
1309499240,5cyclictest0-21swapper/112:26:491
1309499240,5cyclictest0-21swapper/112:24:361
1309499240,23cyclictest0-21swapper/110:46:561
1309499233,19cyclictest0-21swapper/111:21:241
1309499230,19cyclictest0-21swapper/110:34:581
1309499230,0cyclictest0-21swapper/112:35:371
308482220,1sleep40-21swapper/410:14:064
37812210,2sleep70-21swapper/710:29:007
266142210,0sleep70-21swapper/710:41:427
36972200,0sleep60-21swapper/610:00:306
241062200,1sleep30-21swapper/312:06:573
272072190,0sleep00-21swapper/010:51:120
220612190,1sleep10-21swapper/111:42:581
179122190,0sleep10-21swapper/110:02:411
98642180,0sleep70-21swapper/710:48:477
77532180,0sleep60-21swapper/611:21:566
59712180,15sleep279850irq/25-eno1-rx-12:23:142
13112991814,2cyclictest15216-21sshd12:20:004
1309499180,14cyclictest0-21swapper/110:15:321
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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