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2026-04-05 - 13:20
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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 Sun Apr 05, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
185609910756653422,54053cyclictest19082sleep019:46:010
185609910675653464,53202cyclictest9-21ksoftirqd/023:42:490
185609910664353422,53130cyclictest0-21swapper19:58:540
185609910658753422,53073cyclictest0-21swapper20:42:170
185609910656053408,53152cyclictest0-21swapper20:12:380
185609910653553383,53062cyclictest0-21swapper20:20:510
185609910650353429,53074cyclictest0-21swapper19:11:410
185609910650353406,53001cyclictest14957-21ssh00:31:530
185609910649653470,53026cyclictest0-21swapper22:14:340
185609910649153409,53082cyclictest0-21swapper20:39:560
185609910645253402,53050cyclictest0-21swapper00:03:150
185609910645053399,52988cyclictest3950irq/9-acpi22:21:560
185609910644953398,53051cyclictest0-21swapper00:27:520
185609910643453464,52907cyclictest9-21ksoftirqd/020:31:040
185609910622653481,52745cyclictest0-21swapper21:08:450
185609910619753402,52759cyclictest0-21swapper19:24:550
185609910617953456,52723cyclictest0-21swapper20:03:160
185609910615953447,52712cyclictest0-21swapper23:58:230
185609910615953433,52726cyclictest0-21swapper20:25:320
185609910614853441,52707cyclictest0-21swapper23:34:270
185609910614753395,52752cyclictest0-21swapper21:42:440
185609910613053428,52702cyclictest0-21swapper19:35:280
185609910540353145,52258cyclictest0-21swapper22:39:310
185609910514652973,52168cyclictest0-21swapper19:43:200
18560995363926,0cyclictest0-21swapper20:07:270
18560995342929,53333cyclictest0-21swapper19:54:230
18560995336125,53242cyclictest0-21swapper20:47:080
18560995330526,53211cyclictest0-21swapper19:29:260
18560995326627,53145cyclictest0-21swapper20:16:500
18560995319527,53075cyclictest3950irq/9-acpi21:25:290
18560995315425,53129cyclictest0-21swapper19:34:370
18560995311611,53103cyclictest0-21swapper23:08:290
18560995308953059,27cyclictest3950irq/9-acpi21:17:270
18560995297126,52854cyclictest0-21swapper23:26:240
18560995278027,52753cyclictest0-21swapper20:54:510
185609924781086,1263cyclictest9-21ksoftirqd/021:51:070
185609923431091,1158cyclictest1019-21rm00:12:070
185609922461098,1051cyclictest40022sleep000:15:480
185609921421041,1066cyclictest3950irq/9-acpi23:49:010
185609921281084,918cyclictest3139-21kworker/u2:023:36:370
185609920821082,876cyclictest2099-21runrttasks22:58:160
185609920631004,1025cyclictest0-21swapper00:22:300
185609920561082,848cyclictest3622-21diskmemload23:12:500
185609920311092,844cyclictest134850irq/9-eth023:18:520
185609919831029,859cyclictest0-21swapper21:57:190
18560991982963,982cyclictest18135-21ssh22:16:240
185609919711024,855cyclictest0-21swapper21:04:330
185609919641062,836cyclictest9-21ksoftirqd/022:26:470
185609919261004,901cyclictest0-21swapper22:34:590
18560991916954,937cyclictest12598-21ssh21:21:580
185609919071011,830cyclictest3950irq/9-acpi22:02:300
18560991888925,928cyclictest3950irq/9-acpi23:02:270
18560991869885,970cyclictest0-21swapper21:34:520
18560991823980,791cyclictest2099-21runrttasks21:11:550
185609917071075,632cyclictest0-21swapper22:45:020
185609916801081,476cyclictest2099-21runrttasks20:58:120
185609916621009,619cyclictest10-21rcuc/022:09:520
185609916601097,470cyclictest0-21swapper21:39:130
18560991636996,606cyclictest31800-21ssh23:23:330
18560991633981,616cyclictest19651-21ssh00:39:250
18560991632809,814cyclictest0-21swapper00:09:170
185609916251063,562cyclictest0-21swapper22:42:520
18560991503931,553cyclictest134850irq/9-eth023:51:010
185609914971025,382cyclictest0-21swapper19:19:230
185609914491093,356cyclictest0-21swapper21:48:360
18560991397892,489cyclictest11067-21ssh22:53:350
18082273059,185sleep00-21swapper19:07:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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