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2025-11-20 - 08:24
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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 highest latencies:
System rack6slot6 (updated Thu Nov 20, 2025 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
270219910625753388,52803cyclictest0-21swapper20:37:380
270219910623053479,52751cyclictest0-21swapper19:52:250
270219910619253459,52733cyclictest0-21swapper19:46:340
270219910613553054,53079cyclictest0-21swapper20:05:590
270219910612653040,53084cyclictest0-21swapper22:37:030
270219910611753031,53084cyclictest0-21swapper19:43:530
270219910610753009,53096cyclictest0-21swapper22:44:050
270219910606852999,53067cyclictest0-21swapper23:39:110
270219910605552978,53075cyclictest0-21swapper20:04:090
270219910604553023,53019cyclictest22577-21runrttasks23:45:520
270219910603252959,53071cyclictest0-21swapper23:18:450
270219910598152921,53058cyclictest0-21swapper21:59:120
270219910598053025,52952cyclictest2103-21runrttasks20:31:260
270219910597952908,53069cyclictest0-21swapper20:46:210
270219910570953063,52643cyclictest30224-21chrt23:14:430
270219910541453051,52361cyclictest8669-21ssh21:21:410
270219910536752893,52471cyclictest26679-21sh22:27:100
270219910536252884,52476cyclictest16773-21ssh22:14:560
270219910523052921,52306cyclictest30894-21runrttasks21:08:070
270219910517553057,52116cyclictest0-21swapper00:07:290
270219910515653052,52102cyclictest0-21swapper22:45:450
270219910514753061,52084cyclictest0-21swapper00:11:200
270219910514753048,52097cyclictest0-21swapper21:45:380
270219910513553036,52097cyclictest0-21swapper23:44:020
270219910513553034,52099cyclictest0-21swapper23:09:020
270219910512453030,52092cyclictest0-21swapper21:13:190
270219910512353024,52097cyclictest0-21swapper00:33:160
270219910510853006,52100cyclictest0-21swapper19:26:380
270219910508752996,52086cyclictest0-21swapper00:15:410
270219910508252987,52093cyclictest0-21swapper20:10:200
270219910508152982,52097cyclictest0-21swapper21:44:380
270219910507952976,52101cyclictest0-21swapper20:43:200
270219910507452970,52103cyclictest0-21swapper19:38:310
270219910505452972,52080cyclictest0-21swapper21:39:260
270219910505152961,52088cyclictest0-21swapper23:53:350
270219910501252922,52085cyclictest0-21swapper21:52:300
270219910500452930,52072cyclictest0-21swapper19:31:590
270219910499452922,52069cyclictest19966-21runrttasks22:18:470
270219910496352900,52061cyclictest0-21swapper22:01:020
270219910492752856,52069cyclictest0-21swapper00:37:270
27021995209910,52087cyclictest0-21swapper21:16:500
2702199520988,52088cyclictest0-21swapper20:55:430
27021991625802,815cyclictest0-21swapper00:01:070
27021991564747,814cyclictest0-21swapper20:21:230
27021991510748,759cyclictest0-21swapper20:27:550
270219915001009,425cyclictest0-21swapper21:02:250
27021991492670,814cyclictest0-21swapper23:58:060
270219914431058,385cyclictest0-21swapper23:31:180
27021991420637,779cyclictest0-21swapper19:55:460
270219914191032,387cyclictest0-21swapper20:54:530
270219914121030,382cyclictest0-21swapper20:15:320
27021991401626,771cyclictest0-21swapper22:53:070
27021991341618,720cyclictest0-21swapper23:28:270
27021991327633,692cyclictest0-21swapper19:22:370
27021991235605,628cyclictest0-21swapper21:28:030
27021991229599,629cyclictest0-21swapper00:23:330
27021991228623,602cyclictest11341-21ssh22:07:040
27021991221618,600cyclictest3563-21taskset23:21:050
27021991217618,596cyclictest6065-21wc19:15:240
27021991196608,585cyclictest24749-21hwlatdetect-tra19:14:440
27021991196571,623cyclictest0-21swapper22:23:490
27021991191571,618cyclictest0-21swapper23:04:410
27021991139488,649cyclictest0-21swapper00:26:240
27021991134577,554cyclictest14790-21fschecks_count21:30:130
27021991109484,623cyclictest0-21swapper22:30:510
2702199949485,462cyclictest133750irq/9-eth022:55:180
393722350,1sleep03936-21hwlatdetect-tra19:08:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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