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2026-04-07 - 07:07
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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 376 highest latencies:
System rack6slot6 (updated Tue Apr 07, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
142929910726653385,53792cyclictest7305-21rm00:38:350
142929910660853429,53088cyclictest0-21swapper00:13:480
142929910659653414,53182cyclictest0-21swapper00:04:150
142929910654353375,53101cyclictest0-21swapper22:02:100
142929910648553458,53027cyclictest0-21swapper22:23:160
142929910647953462,53017cyclictest0-21swapper20:05:560
142929910647853455,53023cyclictest0-21swapper20:12:180
142929910646653447,53019cyclictest0-21swapper22:46:020
142929910646053447,53013cyclictest0-21swapper21:12:050
142929910644153398,53043cyclictest0-21swapper23:59:430
142929910641753427,52990cyclictest0-21swapper21:22:580
142929910641553464,52886cyclictest9-21ksoftirqd/020:43:570
142929910641253423,52989cyclictest0-21swapper22:05:310
142929910636653472,52803cyclictest0-21swapper19:39:180
142929910631753466,52735cyclictest0-21swapper22:55:050
142929910628553408,52814cyclictest9-21ksoftirqd/019:26:350
142929910628253442,52840cyclictest0-21swapper20:04:160
142929910625853459,52799cyclictest0-21swapper19:51:520
142929910623153427,52804cyclictest0-21swapper21:02:320
142929910622453432,52792cyclictest0-21swapper21:25:490
142929910620653466,52740cyclictest0-21swapper00:19:490
142929910620053463,52737cyclictest0-21swapper23:47:100
142929910619653353,52831cyclictest3950irq/9-acpi22:16:140
142929910618053457,52723cyclictest0-21swapper19:57:040
142929910614653440,52706cyclictest0-21swapper00:27:210
142929910613553430,52705cyclictest0-21swapper20:25:520
142929910611753420,52697cyclictest0-21swapper23:13:300
142929910583553080,52753cyclictest20824-21ssh21:46:050
142929910576052950,52808cyclictest29345-21ssh21:59:590
142929910533153061,52270cyclictest0-21swapper22:12:330
14292995402653398,532cyclictest1079-21ssh22:53:340
14292995398753390,597cyclictest0-21swapper23:32:360
14292995386753402,465cyclictest0-21swapper22:33:590
14292995349853453,45cyclictest0-21swapper21:09:550
14292995333726,53311cyclictest0-21swapper22:39:400
1429299533078,0cyclictest0-21swapper23:17:410
14292995319825,0cyclictest0-21swapper20:16:590
1429299531648,53062cyclictest0-21swapper22:26:470
14292995309625,53027cyclictest0-21swapper20:36:250
14292995298725,52871cyclictest0-21swapper20:30:530
14292995293052906,22cyclictest0-21swapper23:22:330
14292995277926,52753cyclictest0-21swapper21:42:240
142929921801100,980cyclictest2099-21runrttasks20:58:310
142929921111051,996cyclictest14280-21cyclictest23:01:170
14292992046994,1018cyclictest0-21swapper21:31:310
14292992030988,1007cyclictest0-21swapper23:39:070
14292992030972,1024cyclictest0-21swapper00:33:330
142929920071027,859cyclictest0-21swapper20:54:200
142929919931034,866cyclictest0-21swapper20:21:510
142929919341070,854cyclictest0-21swapper21:19:370
142929919251073,852cyclictest0-21swapper19:33:070
142929919251027,777cyclictest0-21swapper23:52:510
14292991919995,924cyclictest0-21swapper00:21:300
14292991915967,914cyclictest0-21swapper21:50:160
14292991902968,897cyclictest23748-21ssh23:26:140
142929918941032,768cyclictest0-21swapper19:40:190
142929918911023,775cyclictest0-21swapper19:22:130
142929918091033,656cyclictest3950irq/9-acpi23:44:190
142929917811072,644cyclictest3950irq/9-acpi23:07:180
142929917411095,646cyclictest0-21swapper00:05:050
14292991707967,703cyclictest15221-21ssh21:38:330
142929916051030,479cyclictest134850irq/9-eth022:42:410
142929914571092,365cyclictest0-21swapper20:47:080
142929914561091,365cyclictest0-21swapper19:48:210
14292991079607,468cyclictest20084-21wc19:19:430
1429299997565,428cyclictest32739-21hwlatdetect-tra19:13:410
3238726712,12sleep032647-21grep19:05:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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