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2026-05-04 - 22:24
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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 May 04, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
246559910716353479,53588cyclictest2099-21runrttasks08:28:000
246559910668153422,53193cyclictest0-21swapper08:20:480
246559910664753428,53219cyclictest0-21swapper08:39:430
246559910662653432,53129cyclictest9-21ksoftirqd/007:34:340
246559910659453460,53134cyclictest0-21swapper11:59:010
246559910658753478,53045cyclictest9-21ksoftirqd/009:19:350
246559910658553404,53117cyclictest24651-21cyclictest11:54:590
246559910657353385,53096cyclictest0-21swapper07:14:290
246559910654853400,53148cyclictest0-21swapper12:19:060
246559910654753422,53125cyclictest0-21swapper09:25:460
246559910654253385,53092cyclictest0-21swapper12:08:430
246559910652053425,53004cyclictest9-21ksoftirqd/011:29:020
246559910650753469,53038cyclictest0-21swapper12:28:090
246559910645553405,53050cyclictest0-21swapper11:09:260
246559910641653426,52990cyclictest0-21swapper10:22:330
246559910640253433,52969cyclictest0-21swapper11:16:480
246559910638153465,52877cyclictest24651-21cyclictest11:44:570
246559910636353474,52889cyclictest0-21swapper08:13:060
246559910631253448,52864cyclictest0-21swapper07:23:310
246559910631053449,52861cyclictest0-21swapper08:03:330
246559910622053473,52747cyclictest0-21swapper10:51:110
246559910621653470,52746cyclictest0-21swapper08:09:450
246559910617953410,52769cyclictest0-21swapper08:31:310
246559910617253447,52725cyclictest0-21swapper08:46:350
246559910611853421,52697cyclictest0-21swapper07:17:300
246559910570453238,52466cyclictest0-21swapper09:12:030
246559910519253076,52111cyclictest0-21swapper12:32:500
246559910513053029,52099cyclictest0-21swapper12:01:210
24655995389653432,464cyclictest0-21swapper11:02:140
24655995383553397,438cyclictest0-21swapper10:05:180
24655995370231,80cyclictest9-21ksoftirqd/009:37:100
24655995357253396,176cyclictest0-21swapper07:41:360
24655995347253427,45cyclictest0-21swapper09:03:100
24655995345127,383cyclictest0-21swapper10:36:170
24655995342926,53403cyclictest0-21swapper11:49:480
24655995313324,53016cyclictest0-21swapper10:40:380
24655995309328,52941cyclictest22612sleep010:34:560
24655995307825,52961cyclictest0-21swapper10:59:030
24655995303026,52940cyclictest0-21swapper10:02:370
246559923611083,1185cyclictest3950irq/9-acpi10:18:220
246559922561050,1131cyclictest209552sleep008:18:370
246559921031065,940cyclictest42362sleep007:37:450
246559921021095,917cyclictest0-21swapper12:38:020
246559921001040,1025cyclictest0-21swapper11:22:000
246559920941036,1024cyclictest0-21swapper10:47:200
246559920301005,991cyclictest0-21swapper07:52:090
246559920131028,965cyclictest134850irq/9-eth009:32:280
246559919871030,863cyclictest0-21swapper12:12:340
246559919851032,886cyclictest0-21swapper09:47:230
246559919561020,902cyclictest0-21swapper07:49:290
24655991945950,974cyclictest0-21swapper11:31:330
246559919451058,763cyclictest2099-21runrttasks07:28:230
246559919291051,753cyclictest1994-21sendmail09:09:120
246559919051037,776cyclictest0-21swapper09:20:050
24655991903902,978cyclictest0-21swapper12:20:570
246559919031057,846cyclictest0-21swapper10:13:000
246559918831026,763cyclictest0-21swapper08:42:140
246559918771040,742cyclictest9624-21diskmemload09:52:040
246559918651049,723cyclictest0-21swapper08:56:180
246559918541061,672cyclictest0-21swapper10:26:340
246559917901084,641cyclictest3950irq/9-acpi08:50:360
246559916471041,573cyclictest134850irq/9-eth009:42:310
24655991636852,760cyclictest13911-21ssh11:39:550
246559915941016,515cyclictest9-21ksoftirqd/011:14:380
24655991563997,503cyclictest9-21ksoftirqd/007:57:310
246559915631076,487cyclictest0-21swapper09:57:460
24150254784,206sleep00-21swapper07:08:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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