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2026-04-25 - 14:10
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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 Sat Apr 25, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
119629910613553055,53078cyclictest0-21swapper22:59:430
119629910613053047,53081cyclictest0-21swapper23:32:420
119629910611753021,53094cyclictest0-21swapper00:26:580
119629910611453030,53082cyclictest0-21swapper23:51:280
119629910608252990,53090cyclictest0-21swapper20:55:370
119629910606952990,53074cyclictest0-21swapper23:06:250
119629910603652943,53091cyclictest0-21swapper21:15:430
119629910602152936,53083cyclictest0-21swapper23:13:470
119629910601152941,53068cyclictest0-21swapper20:52:560
119629910599652920,53074cyclictest0-21swapper21:08:210
119629910549952960,52536cyclictest18684-21ssh21:39:100
119629910536852984,52378cyclictest18602-21ssh22:22:420
119629910519553074,52121cyclictest0-21swapper21:22:550
119629910518253069,52111cyclictest0-21swapper00:22:170
119629910515653057,52097cyclictest0-21swapper23:41:050
119629910515553058,52095cyclictest0-21swapper22:51:100
119629910513653027,52107cyclictest0-21swapper22:34:360
119629910513452998,52134cyclictest0-21swapper20:38:320
119629910512753038,52087cyclictest0-21swapper21:00:490
119629910512653024,52100cyclictest0-21swapper19:43:160
119629910510853027,52080cyclictest0-21swapper20:49:050
119629910509853011,52086cyclictest0-21swapper20:24:580
119629910509752990,52105cyclictest0-21swapper00:31:090
119629910508653001,52083cyclictest0-21swapper19:57:400
119629910508452993,52089cyclictest0-21swapper20:01:420
119629910508152979,52100cyclictest0-21swapper19:33:330
119629910507252975,52095cyclictest0-21swapper19:53:290
119629910506352965,52093cyclictest0-21swapper21:49:130
119629910505752948,52107cyclictest0-21swapper23:56:090
119629910505752939,52116cyclictest0-21swapper23:03:040
119629910505552951,52102cyclictest0-21swapper22:49:500
119629910504752940,52105cyclictest0-21swapper19:39:050
119629910503152908,52121cyclictest0-21swapper00:07:420
119629910501952957,52060cyclictest0-21swapper22:36:060
119629910501652902,52112cyclictest0-21swapper00:15:450
119629910500952915,52092cyclictest0-21swapper20:13:250
119629910495852894,52062cyclictest0-21swapper23:39:440
11962995312513,6cyclictest0-21swapper19:24:410
1196299531098,989cyclictest0-21swapper19:16:290
11962995310913,53094cyclictest0-21swapper20:41:530
11962991641812,826cyclictest0-21swapper20:31:000
11962991631809,819cyclictest0-21swapper22:40:270
11962991606788,809cyclictest0-21swapper19:49:480
11962991577769,800cyclictest0-21swapper23:29:410
11962991562743,811cyclictest0-21swapper23:16:580
119629914291053,376cyclictest0-21swapper19:14:280
11962991376664,709cyclictest0-21swapper20:05:020
11962991356649,700cyclictest0-21swapper20:18:460
11962991353647,703cyclictest0-21swapper21:11:120
11962991288595,691cyclictest0-21swapper21:25:060
11962991285637,646cyclictest0-21swapper23:20:490
11962991281577,702cyclictest0-21swapper22:17:310
11962991272623,647cyclictest0-21swapper23:46:260
11962991266556,703cyclictest0-21swapper21:56:040
11962991254603,649cyclictest0-21swapper19:25:110
11962991244617,625cyclictest0-21swapper22:06:170
11962991243728,511cyclictest21311-21ssh21:42:100
11962991237613,622cyclictest0-21swapper20:26:090
11962991228603,623cyclictest0-21swapper00:35:300
11962991212586,624cyclictest0-21swapper00:04:520
11962991199541,656cyclictest0-21swapper21:50:030
11962991171547,622cyclictest0-21swapper22:12:190
11962991149528,619cyclictest0-21swapper21:32:080
11962991100478,620cyclictest0-21swapper22:29:040
11962991089458,629cyclictest0-21swapper00:12:240
1196299817519,296cyclictest4261-21ssh22:03:170
11109265138,207sleep00-21swapper19:05:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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