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2026-04-15 - 18:03
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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 Wed Apr 15, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
213039910754153460,53983cyclictest6282-21diskmemload10:54:410
213039910721753442,53652cyclictest8414-21ssh12:24:570
213039910694953417,53440cyclictest0-21swapper10:29:430
213039910688153379,53438cyclictest3950irq/9-acpi10:05:360
213039910682453412,53412cyclictest0-21swapper09:15:520
213039910680353464,53339cyclictest0-21swapper11:15:270
213039910670453461,53243cyclictest0-21swapper09:51:220
213039910660953385,53134cyclictest0-21swapper09:58:240
213039910656253423,53139cyclictest0-21swapper10:48:490
213039910654853391,53067cyclictest0-21swapper12:00:500
213039910652153434,53087cyclictest0-21swapper10:11:080
213039910651853472,53046cyclictest0-21swapper09:07:300
213039910650853473,53035cyclictest0-21swapper10:55:110
213039910650653473,53033cyclictest0-21swapper11:31:410
213039910649253461,53031cyclictest0-21swapper12:26:170
213039910648753455,53032cyclictest0-21swapper09:23:440
213039910645753446,53011cyclictest0-21swapper10:18:200
213039910645553444,53011cyclictest0-21swapper09:36:580
213039910644353417,53026cyclictest0-21swapper08:44:530
213039910638653413,52973cyclictest0-21swapper09:03:390
213039910632753452,52875cyclictest0-21swapper07:37:340
213039910629353393,52808cyclictest0-21swapper08:21:260
213039910628453429,52855cyclictest0-21swapper08:36:310
213039910623953458,52715cyclictest0-21swapper11:44:050
213039910621953472,52747cyclictest0-21swapper08:29:490
213039910621953470,52749cyclictest0-21swapper07:15:580
213039910621553337,52859cyclictest3950irq/9-acpi11:48:160
213039910618053457,52723cyclictest0-21swapper11:14:560
213039910615053444,52706cyclictest0-21swapper07:51:380
213039910585253335,52517cyclictest0-21swapper11:05:540
213039910564852979,52667cyclictest21996-21ssh11:55:380
213039910543152905,52520cyclictest4279-21diskmemload10:41:470
213039910513253035,52095cyclictest0-21swapper12:14:140
21303995385853394,464cyclictest0-21swapper11:37:330
21303995383053388,442cyclictest0-21swapper09:29:060
21303995375753422,335cyclictest0-21swapper11:00:520
21303995368153381,236cyclictest0-21swapper08:48:140
21303995359553419,176cyclictest0-21swapper08:54:260
21303995347925,383cyclictest0-21swapper09:33:170
21303995340925,53258cyclictest3429-21rtkit-daemon08:30:290
21303995335929,53240cyclictest21301-21cyclictest07:12:270
21303995308127,53054cyclictest0-21swapper12:36:500
21303995306327,53036cyclictest0-21swapper07:59:400
21303995305627,53029cyclictest0-21swapper07:29:210
21303995294929,52829cyclictest21301-21cyclictest08:15:350
21303995289125,52775cyclictest9-21ksoftirqd/008:57:570
213039924871088,1271cyclictest4984-21ssh12:19:450
213039923861026,1263cyclictest6282-21diskmemload09:11:310
213039922921096,1104cyclictest26777-21kworker/0:107:32:320
213039922701060,1089cyclictest0-21swapper10:35:550
213039922361033,1153cyclictest2099-21runrttasks10:03:460
213039921031013,966cyclictest6282-21diskmemload11:20:180
213039920951036,1025cyclictest0-21swapper08:00:200
213039920881062,960cyclictest134850irq/9-eth010:24:520
213039920631027,1015cyclictest0-21swapper07:40:040
213039920611027,1013cyclictest0-21swapper08:10:430
21303992012979,1033cyclictest0-21swapper12:09:520
213039919901032,862cyclictest0-21swapper07:20:390
21303991928929,965cyclictest0-21swapper07:45:360
213039919091047,825cyclictest1733-21ssh11:26:000
213039918761008,746cyclictest6282-21diskmemload09:41:090
213039918621069,727cyclictest3950irq/9-acpi10:30:440
213039918541082,367cyclictest9-21ksoftirqd/009:49:020
213039918511091,638cyclictest13469-21ssh12:31:180
213039918411038,803cyclictest0-21swapper11:54:380
213039916181098,520cyclictest0-21swapper08:08:530
20841258084,208sleep00-21swapper07:08:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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