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2026-08-14 - 12:45
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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 Fri Aug 14, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
229649910695853456,53407cyclictest27203-21ssh21:37:230
229649910681953396,53335cyclictest22960-21cyclictest23:03:180
229649910678753415,53277cyclictest2099-21runrttasks21:12:160
229649910658553472,53113cyclictest0-21swapper20:57:120
229649910654053410,53038cyclictest0-21swapper19:50:120
229649910652353478,53045cyclictest0-21swapper19:10:210
229649910651553474,52951cyclictest0-21swapper20:29:440
229649910651053473,53037cyclictest0-21swapper00:29:130
229649910649553466,53029cyclictest0-21swapper21:28:510
229649910649053467,53023cyclictest0-21swapper22:34:000
229649910647553414,53061cyclictest0-21swapper22:55:360
229649910647453475,52999cyclictest0-21swapper23:28:550
229649910647053459,53011cyclictest0-21swapper20:00:350
229649910646553412,53053cyclictest0-21swapper00:01:550
229649910644153437,53004cyclictest0-21swapper22:11:030
229649910644053443,52997cyclictest0-21swapper19:21:240
229649910641853426,52992cyclictest0-21swapper22:26:470
229649910639753442,52892cyclictest22960-21cyclictest22:51:040
229649910634153399,52851cyclictest9-21ksoftirqd/021:07:350
229649910627653399,52813cyclictest9-21ksoftirqd/019:15:020
229649910622853476,52752cyclictest0-21swapper20:33:150
229649910621553470,52745cyclictest0-21swapper21:03:330
229649910621353425,52788cyclictest0-21swapper22:47:130
229649910618153462,52719cyclictest0-21swapper00:14:180
229649910616353453,52710cyclictest0-21swapper20:49:090
229649910614253434,52708cyclictest0-21swapper19:40:300
229649910588153352,52529cyclictest0-21swapper00:32:440
229649910586953343,52526cyclictest0-21swapper20:06:070
229649910528252994,52285cyclictest1102-21diskmemload23:21:330
229649910501052929,52079cyclictest0-21swapper23:48:010
22964995396753377,498cyclictest0-21swapper22:23:570
22964995372253417,209cyclictest2099-21runrttasks23:11:400
22964995359853422,176cyclictest0-21swapper20:43:580
22964995354926,0cyclictest0-21swapper20:19:010
22964995352526,53499cyclictest0-21swapper21:15:470
22964995348426,53366cyclictest0-21swapper23:07:190
22964995339925,53371cyclictest6464-21ssh00:16:590
22964995318626,53120cyclictest0-21swapper20:39:160
2296499530619,523cyclictest6401-21sh22:41:320
229649946072667,1927cyclictest2679-21devkit-power-da23:40:090
229649923011070,1131cyclictest7982-21diskmemload00:23:310
229649922991093,1150cyclictest2099-21runrttasks23:16:020
229649922801047,1141cyclictest5701-21rm21:53:380
229649922511030,1094cyclictest2099-21runrttasks19:29:260
229649922021004,1103cyclictest1178-21kworker/0:320:54:510
229649921611007,1061cyclictest23916-21kworker/u2:021:34:520
229649921421040,1068cyclictest0-21swapper19:48:020
229649920571028,1029cyclictest0-21swapper21:44:450
229649920511015,1001cyclictest0-21swapper23:53:520
229649919841031,859cyclictest0-21swapper19:56:140
229649919661020,926cyclictest0-21swapper20:14:190
229649919571054,750cyclictest20729-21ssh00:38:250
229649919451043,781cyclictest0-21swapper22:07:020
229649919141005,875cyclictest3950irq/9-acpi21:21:590
22964991906980,889cyclictest748-21ssh00:09:370
229649918901087,803cyclictest0-21swapper20:20:510
229649918891068,723cyclictest2099-21runrttasks22:04:210
22964991882907,961cyclictest0-21swapper23:38:280
229649916731028,610cyclictest0-21swapper22:16:040
229649916421040,602cyclictest0-21swapper21:55:180
229649915781094,369cyclictest0-21swapper21:45:560
229649915571025,468cyclictest9-21ksoftirqd/023:30:460
229649915541026,436cyclictest9-21ksoftirqd/019:33:580
229649915481022,435cyclictest9-21ksoftirqd/019:35:480
229649915421020,429cyclictest10-21rcuc/022:37:300
229649914111029,382cyclictest0-21swapper23:57:540
2296499123128,0cyclictest22923-21latency_hist19:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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