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2025-12-18 - 13:17
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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 Thu Dec 18, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
113039910711253457,53655cyclictest0-21swapper22:58:460
113039910680153438,53298cyclictest0-21swapper20:28:030
113039910664653459,53123cyclictest9-21ksoftirqd/000:22:000
113039910658553453,53132cyclictest0-21swapper20:31:440
113039910656253453,53109cyclictest0-21swapper20:52:500
113039910655053474,53076cyclictest0-21swapper21:45:550
113039910651553419,53001cyclictest10429-21diskmemload23:48:200
113039910651253474,53038cyclictest0-21swapper23:28:350
113039910650953478,53031cyclictest0-21swapper23:34:160
113039910648753467,53020cyclictest0-21swapper20:45:480
113039910647253413,52994cyclictest9-21ksoftirqd/021:08:540
113039910646253468,52994cyclictest0-21swapper20:02:250
113039910645853406,53052cyclictest0-21swapper21:30:310
113039910645453405,53049cyclictest0-21swapper20:42:270
113039910641053426,52984cyclictest0-21swapper23:14:410
113039910625553385,52805cyclictest0-21swapper21:25:090
113039910622653474,52752cyclictest0-21swapper00:18:590
113039910619653079,53115cyclictest0-21swapper19:55:230
113039910605053319,52716cyclictest30705-21ssh00:00:040
113039910589353359,52534cyclictest0-21swapper21:51:470
113039910579553017,52776cyclictest4188-21ssh22:34:290
113039910565853040,52615cyclictest13375-21ssh21:13:560
113039910541153086,52325cyclictest0-21swapper20:05:060
11303995357130,53441cyclictest14903-21ssh22:02:300
11303995347027,53322cyclictest0-21swapper21:39:130
11303995345026,355cyclictest0-21swapper00:27:010
11303995342027,53393cyclictest0-21swapper23:38:270
11303995324825,0cyclictest0-21swapper20:15:590
11303995322428,0cyclictest0-21swapper00:08:160
11303995293952917,21cyclictest0-21swapper21:21:080
11303995282127,52794cyclictest0-21swapper20:13:590
113039924981083,1322cyclictest25182-21rm23:50:510
113039924911088,1278cyclictest2272-21munin-node23:24:330
113039922321051,1089cyclictest2171-21rm21:44:550
113039921071007,1066cyclictest0-21swapper19:32:570
113039921041005,1065cyclictest0-21swapper23:05:480
113039920871012,980cyclictest134850irq/9-eth023:56:530
113039920851065,926cyclictest0-21swapper00:11:470
113039920641005,1024cyclictest0-21swapper19:27:150
113039920581082,851cyclictest2099-21runrttasks19:37:180
11303992040985,1018cyclictest10429-21diskmemload22:17:140
11303992029982,1002cyclictest18153-21ssh23:40:280
11303992020971,1011cyclictest7624-21runrttasks21:01:020
11303991982942,1006cyclictest0-21swapper20:35:450
113039919641020,850cyclictest0-21swapper19:23:240
113039919511015,843cyclictest0-21swapper22:35:090
113039919451025,827cyclictest0-21swapper19:41:490
113039919031033,775cyclictest0-21swapper22:24:360
113039918941013,843cyclictest17691-21ssh22:53:550
11303991866909,943cyclictest0-21swapper00:36:040
113039918291093,736cyclictest0-21swapper20:24:010
113039918241091,670cyclictest11295-21cyclictest22:27:170
11303991816949,847cyclictest0-21swapper21:15:560
11303991809974,799cyclictest9197-21runrttasks19:47:310
113039917971044,661cyclictest9-21ksoftirqd/000:32:530
113039917791089,600cyclictest3950irq/9-acpi23:01:170
113039917451017,634cyclictest9-21ksoftirqd/022:40:510
113039916781069,609cyclictest0-21swapper23:15:310
113039916711107,474cyclictest10-21rcuc/020:59:520
113039916571095,469cyclictest0-21swapper22:11:520
11303991618987,598cyclictest6089-1kworker/u3:122:48:130
11303991497685,804cyclictest0-21swapper22:08:310
113039914871007,416cyclictest0-21swapper19:53:330
113039914341081,353cyclictest0-21swapper21:59:190
11303991153595,555cyclictest24254-21hwlatdetect-tra19:18:020
11303991133584,546cyclictest31497-21wc19:13:510
454025811,39sleep04826-21hwlatdetect-tra19:05:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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