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2026-08-31 - 02:40
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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 Aug 31, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
286259910675953408,53260cyclictest0-21swapper23:33:000
286259910669853432,53175cyclictest28618-21cyclictest21:22:030
286259910667653420,53165cyclictest0-21swapper00:20:440
286259910665153398,53131cyclictest9299-21ssh21:59:440
286259910664753383,53201cyclictest3950irq/9-acpi21:43:290
286259910658253471,53111cyclictest0-21swapper19:31:510
286259910657353463,53110cyclictest0-21swapper20:58:260
286259910654953394,53092cyclictest9-21ksoftirqd/022:32:130
286259910654953387,53096cyclictest0-21swapper22:25:110
286259910653053426,53104cyclictest0-21swapper22:58:510
286259910651853476,53042cyclictest0-21swapper21:25:440
286259910651053477,53033cyclictest0-21swapper20:43:120
286259910650453470,53034cyclictest0-21swapper22:14:480
286259910649953478,53021cyclictest0-21swapper00:32:480
286259910649953471,53028cyclictest0-21swapper19:51:170
286259910648753461,53026cyclictest0-21swapper00:16:230
286259910647453455,53019cyclictest0-21swapper21:10:490
286259910647053451,53019cyclictest0-21swapper22:24:110
286259910646853452,53016cyclictest0-21swapper23:04:120
286259910646353450,53013cyclictest0-21swapper00:27:060
286259910645053403,53047cyclictest0-21swapper20:29:280
286259910644553397,53048cyclictest0-21swapper19:43:240
286259910644253449,52993cyclictest0-21swapper21:49:110
286259910643953442,52997cyclictest0-21swapper21:37:370
286259910635853469,52825cyclictest3950irq/9-acpi20:18:140
286259910629253407,52819cyclictest0-21swapper19:56:280
286259910628953461,52828cyclictest0-21swapper19:49:560
286259910628553405,52815cyclictest0-21swapper21:08:090
286259910625153384,52801cyclictest0-21swapper19:27:300
286259910624853407,52775cyclictest0-21swapper20:04:300
286259910620953478,52731cyclictest0-21swapper20:21:350
286259910620453465,52739cyclictest0-21swapper20:45:420
286259910619753424,52773cyclictest0-21swapper20:30:580
286259910618353474,52709cyclictest0-21swapper20:36:400
286259910617753451,52726cyclictest0-21swapper19:38:130
286259910617753412,52765cyclictest0-21swapper23:59:480
286259910614653395,52751cyclictest0-21swapper23:06:230
286259910611553018,53095cyclictest0-21swapper22:43:160
286259910580253248,52554cyclictest0-21swapper22:06:460
28625995406053425,635cyclictest0-21swapper00:10:010
28625995391053447,463cyclictest0-21swapper23:42:130
28625995367724,53533cyclictest0-21swapper00:06:200
28625995346124,53437cyclictest0-21swapper20:14:130
28625995337827,53256cyclictest9-21ksoftirqd/000:01:490
28625995324626,437cyclictest0-21swapper23:45:540
286259923801059,1193cyclictest9656-21ssh22:46:470
286259922511051,1106cyclictest0-21swapper22:02:140
286259921621096,940cyclictest2099-21runrttasks21:54:020
286259921541008,1111cyclictest0-21swapper23:10:340
286259920991045,930cyclictest5543-21ssh23:28:590
286259920691092,911cyclictest3950irq/9-acpi21:31:050
28625992033989,1009cyclictest0-21swapper23:39:220
286259920241032,867cyclictest2790-21gnome-settings-23:23:480
28625991967945,988cyclictest0-21swapper23:53:260
28625991926934,958cyclictest0-21swapper22:51:490
28625991849942,873cyclictest0-21swapper00:35:590
28625991777930,826cyclictest0-21swapper20:54:350
28625991704993,674cyclictest31191-21ssh23:19:160
28625991658960,661cyclictest2282-21ssh22:35:440
286259916511074,512cyclictest11-21rcu_preempt21:15:110
28625991586774,809cyclictest0-21swapper21:04:380
286259915271009,426cyclictest0-21swapper22:19:190
286259915181024,430cyclictest0-21swapper19:24:490
286259914631014,449cyclictest0-21swapper20:07:410
28625991056615,438cyclictest29264-21hwlatdetect-tra19:12:250
28625991052611,438cyclictest25361-21hwlatdetect-tra19:19:270
3256222310,1sleep032563-21hwlatdetect-tra19:08:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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