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2025-11-20 - 15:50
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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
Characteristics of the 100 highest latencies:
System rack6slot6 (updated Thu Nov 20, 2025 12:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
195199910614753062,53083cyclictest0-21swapper08:57:110
195199910614353396,52747cyclictest0-21swapper08:00:550
195199910614253052,53088cyclictest0-21swapper11:07:590
195199910612853050,53076cyclictest0-21swapper09:49:560
195199910612053038,53080cyclictest0-21swapper10:43:220
195199910610553027,53073cyclictest0-21swapper10:48:130
195199910608153006,53073cyclictest0-21swapper10:33:290
195199910605752966,53089cyclictest0-21swapper12:29:320
195199910601352936,53075cyclictest0-21swapper08:39:060
195199910600252940,53060cyclictest0-21swapper11:04:480
195199910598852932,53054cyclictest0-21swapper07:46:210
195199910592353072,52849cyclictest8058-21ssh09:14:260
195199910568353053,52628cyclictest21637-21ssh11:39:380
195199910546053041,52417cyclictest17940-21ssh10:51:440
195199910538153091,52280cyclictest0-21swapper11:22:430
195199910537053152,52218cyclictest0-21swapper08:27:030
195199910516553051,52112cyclictest0-21swapper09:26:300
195199910516153061,52098cyclictest0-21swapper07:54:030
195199910516053052,52107cyclictest0-21swapper11:59:440
195199910515553057,52096cyclictest0-21swapper10:20:150
195199910513653032,52102cyclictest0-21swapper10:02:400
195199910513253044,52086cyclictest0-21swapper08:34:050
195199910513253039,52091cyclictest0-21swapper12:35:340
195199910512353029,52092cyclictest0-21swapper07:58:040
195199910511853037,52079cyclictest0-21swapper08:11:480
195199910511653029,52085cyclictest0-21swapper09:05:540
195199910511353018,52093cyclictest0-21swapper11:18:520
195199910511353000,52111cyclictest0-21swapper12:08:060
195199910510853008,52098cyclictest0-21swapper07:16:420
195199910510753008,52097cyclictest0-21swapper12:32:530
195199910510553008,52095cyclictest0-21swapper08:46:080
195199910510252999,52101cyclictest0-21swapper10:12:430
195199910510153003,52093cyclictest0-21swapper11:34:470
195199910509653002,52092cyclictest0-21swapper07:44:200
195199910509453000,52092cyclictest0-21swapper11:25:340
195199910505652963,52091cyclictest0-21swapper07:29:160
195199910505352958,52089cyclictest0-21swapper10:36:100
195199910504752946,52099cyclictest0-21swapper07:37:280
195199910502752917,52109cyclictest0-21swapper12:21:500
195199910502452920,52102cyclictest0-21swapper11:41:490
195199910501252897,52110cyclictest0-21swapper09:00:420
195199910500752915,52090cyclictest0-21swapper08:22:110
19519991628809,811cyclictest0-21swapper10:28:480
19519991576775,791cyclictest15129-21sh12:12:380
19519991553735,815cyclictest0-21swapper10:58:360
19519991533714,811cyclictest0-21swapper08:43:170
19519991526696,827cyclictest0-21swapper09:23:590
19519991518748,766cyclictest0-21swapper11:13:410
19519991459687,768cyclictest0-21swapper08:51:300
195199914471087,360cyclictest0-21swapper08:19:300
19519991445677,764cyclictest0-21swapper09:18:270
19519991418703,712cyclictest0-21swapper07:14:120
19519991389680,706cyclictest0-21swapper10:08:320
19519991358656,699cyclictest0-21swapper11:46:100
19519991350635,712cyclictest0-21swapper07:34:170
19519991344641,701cyclictest0-21swapper09:34:520
19519991271569,699cyclictest0-21swapper07:21:440
19519991266556,707cyclictest0-21swapper11:51:110
19519991250605,643cyclictest0-21swapper12:02:250
19519991227601,624cyclictest0-21swapper09:56:180
19519991223600,621cyclictest0-21swapper09:44:550
19519991219593,624cyclictest0-21swapper10:18:450
19519991215588,625cyclictest0-21swapper08:06:070
19519991185535,648cyclictest0-21swapper09:38:130
19519991166691,472cyclictest18327-21ssh12:16:290
19519991163539,622cyclictest0-21swapper09:51:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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