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2025-12-22 - 18:48
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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 Dec 22, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
313249910722753398,53739cyclictest92762sleep008:51:260
313249910718653449,53640cyclictest16148-21diskmemload09:23:250
313249910707653435,53542cyclictest25129-21runrttasks08:11:450
313249910701953442,53485cyclictest3950irq/9-acpi12:24:270
313249910686653385,53389cyclictest0-21swapper07:15:390
313249910665953374,53262cyclictest25522-21ssh11:48:170
313249910660553478,53127cyclictest0-21swapper07:49:480
313249910658253403,53083cyclictest15229-21ssh10:44:490
313249910657953384,53106cyclictest9-21ksoftirqd/011:34:430
313249910657553411,53164cyclictest0-21swapper08:28:500
313249910657253404,53105cyclictest31323-21cyclictest10:06:280
313249910655853388,53105cyclictest0-21swapper08:45:240
313249910653453469,53065cyclictest0-21swapper12:05:420
313249910650553470,53035cyclictest0-21swapper09:53:040
313249910650153472,53029cyclictest0-21swapper10:30:550
313249910650153471,52933cyclictest26358-21ssh09:25:060
313249910649453425,53069cyclictest0-21swapper11:07:250
313249910649053466,53024cyclictest0-21swapper08:56:580
313249910647853479,52909cyclictest9-21ksoftirqd/009:09:310
313249910646153449,53012cyclictest0-21swapper09:46:420
313249910645953469,52925cyclictest31323-21cyclictest12:01:210
313249910644353400,53043cyclictest0-21swapper07:21:300
313249910641753430,52987cyclictest0-21swapper11:20:390
313249910640953427,52982cyclictest0-21swapper09:11:420
313249910635953393,52901cyclictest0-21swapper10:02:570
313249910621353454,52759cyclictest0-21swapper07:29:220
313249910620753471,52736cyclictest0-21swapper09:04:400
313249910619453465,52729cyclictest0-21swapper07:41:160
313249910618753410,52777cyclictest0-21swapper08:44:040
313249910618053453,52727cyclictest0-21swapper08:37:520
313249910616853452,52716cyclictest0-21swapper07:52:390
313249910616453449,52715cyclictest0-21swapper08:24:480
313249910616253393,52769cyclictest0-21swapper10:39:470
313249910616153446,52715cyclictest0-21swapper07:30:430
313249910614453436,52708cyclictest0-21swapper08:34:410
313249910613953464,52675cyclictest0-21swapper07:39:560
313249910584053274,52566cyclictest0-21swapper11:50:580
313249910504652932,52112cyclictest0-21swapper11:25:100
31324995387253408,464cyclictest0-21swapper12:18:260
31324995378630,0cyclictest26322-21ssh11:00:230
31324995368826,53540cyclictest0-21swapper10:59:330
31324995354553394,151cyclictest0-21swapper08:07:440
31324995349924,0cyclictest0-21swapper08:18:270
31324995336914,53355cyclictest0-21swapper08:00:520
31324995320025,53175cyclictest0-21swapper10:17:210
3132499530938,53082cyclictest3644-21ssh10:26:230
313249923201047,1147cyclictest16148-21diskmemload12:33:200
313249922421102,1041cyclictest32327-21ssh11:58:300
313249922041079,998cyclictest2099-21runrttasks09:57:150
313249920811022,935cyclictest9317-21ssh12:14:040
313249920721025,1012cyclictest0-21swapper11:12:370
313249920711091,888cyclictest9-21ksoftirqd/009:15:030
313249920661006,1025cyclictest0-21swapper07:12:480
313249920371004,909cyclictest951-21ssh10:23:120
31324992026965,1023cyclictest22821-21ssh11:44:460
313249920261048,882cyclictest9-21ksoftirqd/009:39:000
313249919401001,904cyclictest0-21swapper11:35:430
313249919311074,857cyclictest0-21swapper10:10:090
313249919001031,774cyclictest0-21swapper11:18:080
31324991880969,877cyclictest134850irq/9-eth009:32:180
31324991869954,878cyclictest20052-21ssh10:50:400
313249917001074,626cyclictest0-21swapper07:56:200
31324991627934,657cyclictest6882-21ssh09:43:510
313249914551093,362cyclictest0-21swapper10:46:490
313249914511089,362cyclictest0-21swapper12:36:210
313249914141029,385cyclictest0-21swapper12:25:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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