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2025-10-27 - 21:05
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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 Mon Oct 27, 2025 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
238642830,0sleep50-21swapper/509:49:175
156302770,0sleep10-21swapper/111:38:211
307032750,0sleep00-21swapper/009:31:090
251422750,1sleep325135-21sshd09:54:133
223992750,0sleep20-21swapper/210:22:162
199642750,1sleep50-21swapper/512:07:425
5502740,1sleep20-21swapper/209:55:152
291762740,1sleep40-21swapper/410:37:404
92712730,1sleep70-21swapper/709:47:037
307522730,0sleep10-21swapper/109:40:311
245852730,0sleep30-21swapper/309:15:573
106942730,0sleep40-21swapper/409:47:164
116272720,1sleep50-21swapper/510:49:445
116272720,1sleep50-21swapper/510:49:445
297792710,0sleep60-21swapper/611:21:106
14072710,0sleep60-21swapper/609:45:496
122622710,0sleep40-21swapper/410:01:434
160442700,0sleep50-21swapper/511:52:525
160442700,0sleep50-21swapper/511:52:525
60432670,1sleep70-21swapper/709:37:027
224482650,1sleep1221rcuc/107:10:161
206332620,0sleep70-21swapper/710:50:517
2088425949,6sleep30-21swapper/307:09:083
2079925848,6sleep40-21swapper/407:08:044
2088725040,6sleep60-21swapper/607:09:106
2077825040,6sleep10-21swapper/107:07:451
2086524927,7sleep20-21swapper/207:08:502
2076424939,6sleep50-21swapper/507:07:415
2065624433,7sleep00-21swapper/007:06:160
38222430,1sleep23814-21cp10:53:182
2090824332,7sleep70-21swapper/707:09:287
24932420,0sleep30-21swapper/311:31:343
269482400,0sleep20-21swapper/209:25:512
142392270,3sleep32120699cyclictest10:16:163
169492250,1sleep00-21swapper/010:30:550
2119699230,22cyclictest0-21swapper/111:17:571
63122220,0sleep70-21swapper/710:10:197
323682210,2sleep62122899cyclictest11:07:096
21196992118,2cyclictest24720-21bash12:18:001
2119699210,20cyclictest0-21swapper/111:20:351
2119699210,20cyclictest0-21swapper/111:14:371
2119699210,20cyclictest0-21swapper/111:06:031
2119699210,20cyclictest0-21swapper/111:00:331
2119699210,20cyclictest0-21swapper/110:57:571
2118899212,11cyclictest27165-21grep11:25:340
2118899210,12cyclictest1906-21sshd11:07:260
21196992018,1cyclictest27529-21sshd10:18:211
139852200,0sleep60-21swapper/610:06:416
268552190,0sleep60-21swapper/609:21:066
21196991917,1cyclictest4317-21sshd09:22:391
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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