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2026-06-25 - 23:06
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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 all highest latencies:
System rack6slot6 (updated Thu Jun 25, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
271809910726353450,53691cyclictest28356-21ssh11:53:520
271809910695953384,53483cyclictest0-21swapper09:27:000
271809910677253462,53221cyclictest9-21ksoftirqd/009:42:540
271809910675153472,53189cyclictest9-21ksoftirqd/007:29:060
271809910673753467,53270cyclictest0-21swapper09:24:390
271809910665253475,53177cyclictest0-21swapper12:16:080
271809910659753433,53164cyclictest0-21swapper12:37:350
271809910654153404,53137cyclictest0-21swapper09:03:430
271809910651553475,53040cyclictest0-21swapper11:48:500
271809910651253435,53077cyclictest0-21swapper11:39:280
271809910646053472,52988cyclictest0-21swapper12:11:570
271809910645853395,52999cyclictest134850irq/9-eth007:59:040
271809910645753455,52913cyclictest27171-21cyclictest07:31:460
271809910644253441,53001cyclictest0-21swapper08:46:080
271809910643353435,52998cyclictest0-21swapper10:14:030
271809910642753433,52994cyclictest0-21swapper07:54:130
271809910642353469,52954cyclictest0-21swapper08:07:370
271809910639453477,52853cyclictest0-21swapper08:29:130
271809910636953441,52928cyclictest0-21swapper07:47:010
271809910626253390,52807cyclictest0-21swapper07:21:430
271809910618353460,52723cyclictest0-21swapper07:10:100
271809910617653411,52765cyclictest0-21swapper08:15:490
271809910616653387,52742cyclictest0-21swapper07:36:380
271809910614753437,52710cyclictest0-21swapper08:53:100
271809910516253061,52099cyclictest0-21swapper10:50:540
271809910515253042,52108cyclictest0-21swapper10:21:350
27180995343725,53345cyclictest12528-21rm10:43:520
27180995337626,53221cyclictest0-21swapper08:13:480
27180995333726,53311cyclictest0-21swapper11:08:090
27180995327125,53246cyclictest0-21swapper09:52:370
27180995306827,53041cyclictest0-21swapper11:00:060
27180995294228,0cyclictest0-21swapper08:39:260
27180995282829,52799cyclictest0-21swapper10:18:440
271809924671067,1275cyclictest1907-21snmpd12:21:300
271809924641097,1274cyclictest9-1ksoftirqd/011:11:200
271809924511045,1307cyclictest12210-21diskmemload10:30:280
271809924401087,1258cyclictest3950irq/9-acpi09:57:580
271809923231008,1186cyclictest12210-21diskmemload12:34:540
271809922681086,1057cyclictest2099-21runrttasks10:47:030
271809922521014,1172cyclictest3950irq/9-acpi09:39:330
271809921971032,1131cyclictest0-21swapper11:55:220
271809921361092,952cyclictest9-21ksoftirqd/009:13:160
27180992099997,1012cyclictest3950irq/9-acpi10:28:270
271809920991099,903cyclictest5025-21ssh12:05:550
271809920831025,964cyclictest3950irq/9-acpi09:34:220
271809920721001,1024cyclictest0-21swapper09:07:540
27180992031988,1009cyclictest0-21swapper07:19:130
271809919591011,913cyclictest0-21swapper10:58:060
27180991926937,975cyclictest0-21swapper11:29:050
271809919111057,854cyclictest0-21swapper11:23:530
271809918621046,722cyclictest0-21swapper08:23:410
27180991856921,911cyclictest2510-21ssh12:03:050
271809918021010,758cyclictest10-21rcuc/009:18:270
271809917971051,623cyclictest6679-21ssh09:48:060
271809917531093,660cyclictest0-21swapper10:37:100
271809917111025,649cyclictest12210-21diskmemload11:33:560
271809916701097,509cyclictest9-21ksoftirqd/011:42:490
271809916511074,577cyclictest0-21swapper08:44:370
271809916161090,462cyclictest27171-21cyclictest12:28:220
271809916111085,461cyclictest9-21ksoftirqd/008:00:550
271809916101051,559cyclictest0-21swapper07:43:000
27180991525751,770cyclictest0-21swapper10:09:120
271809915251009,516cyclictest0-21swapper11:19:320
271809915011097,404cyclictest0-21swapper08:59:120
27180991453688,762cyclictest0-21swapper08:32:440
271809913921022,370cyclictest0-21swapper10:03:100
26753255387,207sleep00-21swapper07:08:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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