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2025-12-28 - 11:50
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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 Sun Dec 28, 2025 00:45:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2895921490,1sleep61198799cyclictest00:12:596
1373121230,4sleep71199399cyclictest23:00:157
2306121160,0sleep10-21swapper/122:11:461
175272740,0sleep60-21swapper/622:04:136
148932740,0sleep00-21swapper/023:21:390
189642730,1sleep00-21swapper/000:29:280
97642720,0sleep50-21swapper/522:59:575
273012710,0sleep50-21swapper/522:15:415
116022700,1sleep30-21swapper/300:39:083
116022700,1sleep30-21swapper/300:39:073
84412690,0sleep00-21swapper/020:08:130
70252680,0sleep10-21swapper/100:17:351
223652670,0sleep00-21swapper/000:22:470
76612660,0sleep70-21swapper/700:07:077
311232660,0sleep70-21swapper/723:23:327
279002660,1sleep227898-21sshd22:37:022
155872660,0sleep00-21swapper/022:56:550
128132660,0sleep00-21swapper/023:14:260
112902660,0sleep40-21swapper/422:21:024
308422650,0sleep20-21swapper/221:51:262
66342610,3sleep080350irq/26-eno1-tx-21:27:370
120302610,0sleep10-21swapper/100:28:411
1152925948,7sleep00-21swapper/019:07:260
113462590,3sleep61198799cyclictest21:21:016
52382580,0sleep30-21swapper/321:34:373
1152625848,6sleep60-21swapper/619:07:246
196122570,0sleep10-21swapper/121:32:351
1171825534,16sleep50-21swapper/519:09:555
1152425545,6sleep40-21swapper/419:07:224
1172924837,7sleep70-21swapper/719:09:587
1155024636,6sleep10-21swapper/119:07:431
969524432,7sleep30-21swapper/319:05:133
1147624231,7sleep20-21swapper/219:06:482
11968993213,16cyclictest0-21swapper/300:16:113
1196899310,29cyclictest0-21swapper/323:55:183
1196899309,19cyclictest0-21swapper/319:48:523
11968992917,11cyclictest0-21swapper/321:06:423
11949992821,3cyclictest0-21swapper/023:34:240
1196899276,19cyclictest0-21swapper/319:43:203
1196899272,19cyclictest0-21swapper/321:01:133
1195599271,19cyclictest0-21swapper/120:29:241
1195599270,20cyclictest0-21swapper/121:41:051
1196899266,18cyclictest0-21swapper/319:50:473
1196899262,21cyclictest0-21swapper/319:24:383
1196899260,25cyclictest0-21swapper/321:23:153
1196899260,23cyclictest0-21swapper/323:52:313
1196899260,21cyclictest0-21swapper/322:50:453
1196899260,21cyclictest0-21swapper/322:50:443
1195599262,19cyclictest0-21swapper/119:24:171
1195599260,20cyclictest0-21swapper/119:36:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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