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2026-05-03 - 15:52
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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
Characteristics of the 50 highest latencies:
System rack6slot6 (updated Sun May 03, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
231159910712353461,53540cyclictest25515-21ssh11:11:020
231159910670953432,53277cyclictest0-21swapper08:46:100
231159910666153413,53158cyclictest0-21swapper08:42:290
231159910662253479,53143cyclictest0-21swapper07:26:170
231159910661453412,53138cyclictest9-21ksoftirqd/011:30:580
231159910656353450,53113cyclictest0-21swapper07:21:060
231159910654153452,53089cyclictest0-21swapper11:22:550
231159910650153423,53078cyclictest0-21swapper09:09:070
231159910649453464,53030cyclictest0-21swapper12:21:420
231159910649053479,53011cyclictest0-21swapper08:14:310
231159910648453417,53067cyclictest0-21swapper10:34:420
231159910647953416,53063cyclictest0-21swapper10:38:530
231159910647453411,53063cyclictest0-21swapper12:16:510
231159910645253461,52991cyclictest0-21swapper09:34:340
231159910644753442,53005cyclictest0-21swapper09:21:400
231159910643553437,52998cyclictest0-21swapper09:55:400
231159910641353428,52985cyclictest0-21swapper10:27:190
231159910640253420,52982cyclictest0-21swapper09:28:120
231159910640253389,52943cyclictest0-21swapper08:37:080
231159910631353453,52860cyclictest0-21swapper08:16:120
231159910628453409,52813cyclictest9-21ksoftirqd/007:58:370
231159910627953405,52812cyclictest9-21ksoftirqd/011:59:560
231159910623653431,52805cyclictest0-21swapper12:04:370
231159910623153479,52752cyclictest0-21swapper07:46:530
231159910622453474,52750cyclictest0-21swapper07:19:350
231159910620053479,52721cyclictest0-21swapper07:53:550
231159910618953457,52732cyclictest0-21swapper10:01:220
231159910618853422,52766cyclictest0-21swapper10:15:160
231159910616853404,52764cyclictest0-21swapper08:30:460
231159910616453401,52763cyclictest0-21swapper08:09:000
231159910566752916,52749cyclictest18152-21ssh12:37:070
23115995401653422,503cyclictest0-21swapper10:47:150
23115995400053462,538cyclictest0-21swapper09:46:380
23115995396453435,529cyclictest0-21swapper11:47:430
23115995391153447,464cyclictest0-21swapper10:12:350
23115995388953449,440cyclictest0-21swapper11:39:400
23115995388153442,439cyclictest0-21swapper11:51:040
23115995381953380,439cyclictest0-21swapper09:02:250
23115995381853380,438cyclictest0-21swapper09:53:300
23115995353153380,151cyclictest0-21swapper11:07:010
23115995351424,406cyclictest0-21swapper11:40:410
23115995351025,384cyclictest0-21swapper12:28:440
23115995342826,53402cyclictest0-21swapper09:13:480
23115995334716,584cyclictest0-21swapper08:23:140
23115995330827,53188cyclictest0-21swapper12:30:450
23115995325514,53169cyclictest0-21swapper07:10:030
23115995315924,53135cyclictest0-21swapper07:34:200
23115995304425,53019cyclictest0-21swapper12:06:080
23115995268914,52675cyclictest0-21swapper07:43:220
23115995268214,52668cyclictest0-21swapper10:20:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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