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2026-03-11 - 16:30
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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 Wed Mar 11, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
75169910713453461,53575cyclictest25120-21ssh09:58:240
75169910702453406,53526cyclictest0-21swapper08:45:130
75169910679753386,53391cyclictest0-21swapper08:09:120
75169910676353348,53381cyclictest0-21swapper10:25:410
75169910672653437,53289cyclictest0-21swapper12:30:270
75169910657653466,53110cyclictest0-21swapper12:19:340
75169910655953396,53097cyclictest0-21swapper07:17:170
75169910651953416,53037cyclictest0-21swapper10:02:050
75169910651453475,53039cyclictest0-21swapper07:35:430
75169910648753456,52934cyclictest1685-21runrttasks08:14:140
75169910647953478,52938cyclictest3950irq/9-acpi12:01:090
75169910647353456,53017cyclictest0-21swapper11:02:320
75169910646953441,53028cyclictest0-21swapper09:19:020
75169910644853454,52994cyclictest0-21swapper09:32:460
75169910644053428,53012cyclictest0-21swapper11:28:500
75169910644053397,53043cyclictest0-21swapper07:51:070
75169910643353470,52963cyclictest0-21swapper08:01:000
75169910642453435,52989cyclictest0-21swapper10:59:310
75169910641053404,52910cyclictest2066-21ssh11:49:460
75169910640553422,52983cyclictest0-21swapper10:35:440
75169910626953470,52799cyclictest0-21swapper07:46:160
75169910623353408,52825cyclictest0-21swapper07:25:500
75169910621753426,52791cyclictest0-21swapper08:28:180
75169910619853465,52733cyclictest0-21swapper07:12:160
75169910618053412,52768cyclictest0-21swapper08:17:550
75169910617153449,52722cyclictest0-21swapper07:59:290
75169910616253449,52713cyclictest0-21swapper07:21:380
75169910611153417,52694cyclictest0-21swapper12:20:550
75169910604252949,53091cyclictest0-21swapper11:30:500
75169910601352919,53092cyclictest0-21swapper11:39:430
75169910588553343,52542cyclictest0-21swapper11:53:370
75169910588453379,52505cyclictest0-21swapper10:41:160
75169910517053064,52104cyclictest0-21swapper10:54:200
7516995386053424,436cyclictest0-21swapper10:34:140
7516995369516,620cyclictest0-21swapper11:22:180
7516995336826,53342cyclictest0-21swapper12:08:410
7516995330025,198cyclictest0-21swapper09:21:430
7516995322526,0cyclictest0-21swapper08:32:590
7516995310727,53080cyclictest0-21swapper09:05:080
7516995309526,53069cyclictest0-21swapper09:03:580
7516995306727,53040cyclictest0-21swapper12:27:060
7516995305526,53029cyclictest0-21swapper08:36:500
75169923321052,1154cyclictest30716-21ssh10:05:560
75169923291082,1247cyclictest16823-21kworker/0:009:51:320
75169922331020,1086cyclictest2099-21runrttasks12:12:420
75169921081070,941cyclictest2099-21runrttasks08:57:260
75169920731024,1049cyclictest0-21swapper08:43:320
75169920701023,1047cyclictest0-21swapper11:09:140
75169920491005,921cyclictest137042sleep011:17:560
75169920461083,897cyclictest134850irq/9-eth011:44:040
7516992001984,983cyclictest0-21swapper10:22:410
7516992001984,982cyclictest0-21swapper08:22:060
75169919961025,849cyclictest0-21swapper07:42:240
75169919831027,862cyclictest0-21swapper09:28:050
75169919771104,776cyclictest7819-21ssh11:57:280
75169919701005,871cyclictest134850irq/9-eth008:51:440
7516991935934,966cyclictest0-21swapper09:38:280
7516991932991,903cyclictest6709-21ssh10:19:400
75169919031033,803cyclictest0-21swapper09:40:490
75169918841089,729cyclictest3950irq/9-acpi12:37:390
7516991872883,974cyclictest0-21swapper10:11:070
75169917291080,551cyclictest27299-21sh09:13:210
75169916001016,486cyclictest2099-21runrttasks09:49:010
75169915881019,532cyclictest26730-21ssh10:49:380
75169915051010,431cyclictest0-21swapper11:13:250
75169914581092,366cyclictest0-21swapper07:32:010
6591268536,208sleep00-21swapper07:05:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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