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2026-04-06 - 06:02
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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 Mon Apr 06, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11399910691953440,53381cyclictest137812sleep020:34:300
11399910672153435,53195cyclictest1130-21cyclictest22:42:260
11399910663253413,53156cyclictest1130-21cyclictest23:26:090
11399910657553474,53101cyclictest0-21swapper20:35:100
11399910655053466,53084cyclictest0-21swapper20:04:310
11399910655053464,53086cyclictest0-21swapper19:25:300
11399910652553410,53051cyclictest9-21ksoftirqd/000:36:590
11399910650453470,53034cyclictest0-21swapper22:21:000
11399910649653468,53028cyclictest0-21swapper19:30:410
11399910649353478,53015cyclictest0-21swapper23:23:080
11399910646753450,53017cyclictest0-21swapper23:48:460
11399910645753446,53011cyclictest0-21swapper21:38:180
11399910644653435,53011cyclictest0-21swapper21:13:510
11399910644353439,53004cyclictest0-21swapper22:31:230
11399910643853396,53042cyclictest0-21swapper00:28:270
11399910643353394,53039cyclictest0-21swapper00:32:580
11399910642353407,52952cyclictest9-21ksoftirqd/020:14:040
11399910641553426,52989cyclictest0-21swapper20:55:560
11399910641253386,53026cyclictest0-21swapper23:54:370
11399910639553415,52980cyclictest0-21swapper00:01:390
11399910632353432,52828cyclictest3950irq/9-acpi21:59:540
11399910628853462,52826cyclictest0-21swapper19:44:550
11399910627653392,52819cyclictest0-21swapper20:25:370
11399910627153394,52812cyclictest0-21swapper21:18:020
11399910626053446,52814cyclictest0-21swapper23:31:310
11399910622253474,52748cyclictest0-21swapper20:06:210
11399910621553474,52741cyclictest0-21swapper20:42:420
11399910619553474,52721cyclictest0-21swapper00:19:340
11399910619153471,52720cyclictest0-21swapper21:07:090
11399910618853456,52732cyclictest0-21swapper22:36:250
11399910617753455,52722cyclictest0-21swapper19:22:390
11399910615753400,52757cyclictest0-21swapper19:54:280
11399910615053442,52708cyclictest0-21swapper19:56:290
11399910613153428,52703cyclictest0-21swapper20:19:050
11399910527853029,52247cyclictest11405-21ssh23:09:040
11399910507252914,52158cyclictest0-21swapper00:05:100
11399910503752949,52086cyclictest0-21swapper23:19:270
1139995387253432,440cyclictest0-21swapper20:20:460
1139995373453460,209cyclictest134850irq/9-eth022:51:490
1139995372653461,202cyclictest3950irq/9-acpi00:24:060
1139995362427,53597cyclictest0-21swapper21:23:240
1139995361326,0cyclictest0-21swapper23:00:320
1139995339024,53271cyclictest0-21swapper19:37:130
1139995336024,53336cyclictest0-21swapper22:26:120
1139995330526,502cyclictest0-21swapper19:48:160
1139995319127,53164cyclictest0-21swapper21:54:530
1139995314624,53122cyclictest0-21swapper22:14:080
1139995307127,53044cyclictest0-21swapper20:51:550
1139995307024,53046cyclictest0-21swapper23:38:120
1139995275226,52726cyclictest0-21swapper22:46:070
11399923231076,1123cyclictest2099-21runrttasks23:57:180
11399923081100,1207cyclictest21813-21ssh21:47:200
1139992020981,1004cyclictest0-21swapper22:02:050
1139991999994,971cyclictest0-21swapper21:04:280
11399919381060,783cyclictest0-21swapper21:33:260
11399917841024,722cyclictest31962-21ssh23:40:030
11399917691086,561cyclictest28358-21diskmemload00:11:320
11399917331091,642cyclictest0-21swapper21:42:290
1139991653891,738cyclictest10379-21ssh22:19:000
11399916271029,501cyclictest0-21swapper23:14:160
11399915901094,375cyclictest0-21swapper21:27:250
11399915011096,405cyclictest0-21swapper22:07:460
11399914891073,416cyclictest0-21swapper20:48:230
11399914391081,358cyclictest0-21swapper22:55:200
1139991033606,423cyclictest14879-21wc19:13:160
1139991027600,423cyclictest2457-21hwlatdetect-tra19:16:570
1356922170,1sleep013570-21hwlatdetect-tra19:06:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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