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2026-07-31 - 13:46
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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 50 highest latencies:
System rack6slot6 (updated Fri Jul 31, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
261519910670553475,53132cyclictest21458-21diskmemload21:32:120
261519910667253418,53162cyclictest0-21swapper20:15:000
261519910657653392,53093cyclictest9-21ksoftirqd/022:10:330
261519910657053481,53026cyclictest26144-21cyclictest21:57:090
261519910656353407,53066cyclictest30486-21kworker/0:121:25:500
261519910655653445,53111cyclictest0-21swapper20:58:330
261519910651053473,53037cyclictest0-21swapper00:27:130
261519910650753473,53034cyclictest0-21swapper21:21:290
261519910650653469,53037cyclictest0-21swapper23:54:330
261519910650253468,53034cyclictest0-21swapper20:20:220
261519910648853465,53023cyclictest0-21swapper23:27:560
261519910648853446,53042cyclictest0-21swapper19:57:550
261519910647553361,53091cyclictest20480-21ssh22:43:230
261519910646953446,53023cyclictest0-21swapper22:47:340
261519910646253453,53009cyclictest0-21swapper22:24:170
261519910643753397,53040cyclictest0-21swapper00:39:160
261519910622553475,52750cyclictest0-21swapper20:43:380
261519910621653465,52751cyclictest0-21swapper20:51:410
261519910620853468,52740cyclictest0-21swapper19:48:530
261519910619853461,52737cyclictest0-21swapper19:33:480
261519910618153463,52718cyclictest0-21swapper19:26:260
261519910617753461,52716cyclictest0-21swapper20:45:490
261519910616753446,52721cyclictest0-21swapper21:36:130
261519910615853445,52713cyclictest0-21swapper22:33:500
261519910615853401,52757cyclictest0-21swapper21:01:230
261519910615653451,52705cyclictest0-21swapper00:07:270
261519910615353401,52752cyclictest0-21swapper20:06:580
261519910613453440,52694cyclictest0-21swapper19:38:300
261519910611653421,52695cyclictest0-21swapper20:01:460
261519910537453040,52323cyclictest22138-21ssh00:20:410
261519910508952975,52112cyclictest0-21swapper23:42:500
26151995368128,53558cyclictest0-21swapper23:22:240
26151995360253425,177cyclictest0-21swapper20:15:500
26151995325124,53227cyclictest0-21swapper21:48:070
26151995307327,53046cyclictest0-21swapper00:30:240
26151995307225,53047cyclictest0-21swapper22:01:110
26151995300327,52976cyclictest0-21swapper23:00:480
261519949572584,2370cyclictest2679-21devkit-power-da22:59:580
261519921431063,958cyclictest22254-21ssh23:34:070
261519921391076,968cyclictest16508-21rm22:37:010
261519921361036,1065cyclictest0-21swapper19:42:000
26151992036989,1012cyclictest0-21swapper21:41:150
26151992003997,882cyclictest18248-21ssh21:51:480
261519919941030,928cyclictest0-21swapper21:06:550
261519919791020,865cyclictest5350irq/9-uhci_hcd:00:00:050
261519919491016,933cyclictest0-21swapper23:12:510
261519919231074,724cyclictest2099-21runrttasks22:17:450
261519919151046,775cyclictest0-21swapper23:08:300
261519918981031,774cyclictest0-21swapper20:32:350
261519918641091,709cyclictest3950irq/9-acpi21:17:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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