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2025-10-20 - 19:07
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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 highest latencies:
System rack6slot5.osadl.org (updated Mon Oct 20, 2025 12:44:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
987799110135641,5368cyclictest28327-21kworker/0:111:29:490
987799109615668,5242cyclictest26901-21kworker/0:209:37:320
987799107365529,5193cyclictest31114-21kworker/0:210:25:280
987799104435354,5079cyclictest28073-21kworker/0:212:21:250
987799103775301,5072cyclictest26901-21kworker/0:209:30:200
987799101635208,4944cyclictest9068-21kworker/0:011:00:050
98779997695202,4562cyclictest26901-21kworker/0:208:29:270
98779997055171,4529cyclictest26901-21kworker/0:208:37:360
98779996965163,4522cyclictest26901-21kworker/0:207:46:100
98779996285128,4489cyclictest26901-21kworker/0:208:17:530
98779996095023,4582cyclictest26901-21kworker/0:208:05:300
98779995364795,4730cyclictest18649-21kworker/0:112:04:260
98779993804802,4574cyclictest31114-21kworker/0:210:22:370
98779993184791,4516cyclictest28073-21kworker/0:212:38:240
98779992754769,4494cyclictest21525-21kworker/0:010:08:330
98779991704718,4447cyclictest26901-21kworker/0:208:45:440
98779991564710,4436cyclictest26901-21kworker/0:208:58:050
98779991544707,4436cyclictest26901-21kworker/0:207:34:380
98779990494707,4282cyclictest28073-21kworker/0:212:20:000
98779990194530,4478cyclictest18649-21kworker/0:111:55:180
98779990194486,4519cyclictest26901-21kworker/0:209:08:100
98779987844501,4272cyclictest26901-21kworker/0:208:21:550
98779986754668,3996cyclictest26901-21kworker/0:207:23:410
98779986484557,4087cyclictest28327-21kworker/0:111:17:350
98779986414453,4183cyclictest9068-21kworker/0:010:55:380
98779986234445,4174cyclictest26901-21kworker/0:209:02:110
98779986164436,4176cyclictest26901-21kworker/0:207:42:200
98779985914426,4154cyclictest26901-21kworker/0:209:43:370
98779985904428,4151cyclictest26901-21kworker/0:207:27:200
98779985904313,4263cyclictest26901-21kworker/0:207:52:020
98779985594514,4041cyclictest2770-21kworker/0:010:30:540
98779984974479,4007cyclictest8474-21kworker/0:211:42:390
98779984974477,4009cyclictest21525-21kworker/0:010:18:100
98779984594364,4084cyclictest28073-21kworker/0:212:29:390
98779983674372,3972cyclictest26901-21kworker/0:209:54:010
98779981754372,3752cyclictest26901-21kworker/0:209:16:400
98779981664386,3765cyclictest9068-21kworker/0:010:54:120
98779981114246,3814cyclictest28327-21kworker/0:111:20:140
98779981024382,3716cyclictest26901-21kworker/0:208:53:490
98779980014195,3755cyclictest18649-21kworker/0:112:07:090
98779980004136,3812cyclictest26901-21kworker/0:208:31:380
98779978754124,3700cyclictest26901-21kworker/0:207:18:070
98779978604077,3740cyclictest28073-21kworker/0:212:32:220
98779978444106,3678cyclictest8474-21kworker/0:211:36:320
98779978094082,3713cyclictest26901-21kworker/0:209:20:300
98779976753985,3676cyclictest8474-21kworker/0:211:45:120
98779975903773,3757cyclictest26901-21kworker/0:207:59:390
98779975423755,3744cyclictest26901-21kworker/0:208:11:450
98779974844120,3313cyclictest26901-21kworker/0:208:43:580
98779974533900,3538cyclictest21525-21kworker/0:010:11:060
98779973043839,3422cyclictest9068-21kworker/0:010:46:030
98779972033681,3508cyclictest9068-21kworker/0:011:08:000
98779971833719,3453cyclictest26901-21kworker/0:209:14:120
98779970613760,3290cyclictest26901-21kworker/0:207:38:270
98779970373501,3476cyclictest28327-21kworker/0:111:32:300
98779970193793,3166cyclictest26901-21kworker/0:208:03:370
98779966283406,3171cyclictest28073-21kworker/0:212:11:220
98779966023489,3062cyclictest9068-21kworker/0:010:41:240
98779965813506,3051cyclictest26901-21kworker/0:207:14:570
98779963823381,2950cyclictest26901-21kworker/0:209:58:330
98779963713325,3031cyclictest26901-21kworker/0:209:46:160
98779963393372,2952cyclictest18649-21kworker/0:111:53:390
98779960123293,2668cyclictest9068-21kworker/0:011:11:580
98779959623217,2741cyclictest26901-21kworker/0:209:26:060
98779956133010,2589cyclictest21525-21kworker/0:010:02:320
98779952662752,2509cyclictest9068-21kworker/0:010:38:510
80072841185,204sleep00-21swapper07:05:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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