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2026-07-10 - 09:21
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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 Fri Jul 10, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
244819910699353423,53473cyclictest31687-21ssh23:16:380
244819910680953432,53285cyclictest9-21ksoftirqd/022:39:580
244819910679853423,53277cyclictest20062-21sh22:12:000
244819910665853472,53122cyclictest134850irq/9-eth021:21:550
244819910664053421,53128cyclictest9-21ksoftirqd/021:16:440
244819910663253443,53098cyclictest9-21ksoftirqd/023:43:460
244819910661553393,53132cyclictest9-21ksoftirqd/021:57:160
244819910659953476,53123cyclictest0-21swapper20:26:090
244819910654453386,53093cyclictest0-21swapper20:11:050
244819910653153399,53132cyclictest0-21swapper20:23:080
244819910651653418,53035cyclictest134850irq/9-eth000:38:020
244819910650953473,53036cyclictest0-21swapper19:24:420
244819910649553467,53028cyclictest0-21swapper00:03:120
244819910648953472,53017cyclictest0-21swapper22:53:320
244819910648953467,53022cyclictest0-21swapper23:58:510
244819910648453465,53019cyclictest0-21swapper23:48:380
244819910648253463,53019cyclictest0-21swapper23:34:340
244819910648253459,53023cyclictest0-21swapper21:34:190
244819910648053459,53021cyclictest0-21swapper19:10:380
244819910646453458,53006cyclictest0-21swapper21:07:210
244819910645553447,53008cyclictest0-21swapper20:56:280
244819910642353467,52892cyclictest9-21ksoftirqd/022:19:520
244819910631753478,52839cyclictest0-21swapper19:58:410
244819910628053436,52844cyclictest0-21swapper20:37:530
244819910625753386,52806cyclictest9-21ksoftirqd/020:33:110
244819910625653388,52804cyclictest0-21swapper20:15:560
244819910620353467,52736cyclictest0-21swapper21:40:410
244819910619453461,52733cyclictest0-21swapper19:37:150
244819910619253463,52729cyclictest0-21swapper22:42:290
244819910619253463,52729cyclictest0-21swapper19:28:430
244819910617153405,52766cyclictest0-21swapper19:40:460
244819910598653073,52910cyclictest21859-21sh23:02:240
244819910578253278,52504cyclictest0-21swapper21:51:140
244819910576953301,52465cyclictest0-21swapper00:21:070
24481995390453440,464cyclictest0-21swapper00:13:250
24481995386853403,465cyclictest0-21swapper22:57:330
24481995365153378,211cyclictest12471-21ssh21:14:030
24481995358953438,151cyclictest0-21swapper19:30:530
24481995339425,53369cyclictest0-21swapper19:19:100
24481995324427,0cyclictest0-21swapper19:53:300
2448199531981,53197cyclictest0-21swapper21:29:070
24481995315125,53126cyclictest0-21swapper00:29:490
24481995300227,52882cyclictest24477-21cyclictest20:43:140
24481995278326,52757cyclictest0-21swapper23:06:460
244819923121039,1179cyclictest31148-21kworker/u2:200:08:530
244819923101102,1157cyclictest1907-21snmpd19:46:480
244819922111046,1069cyclictest0-21swapper21:36:400
244819921591103,963cyclictest9-21ksoftirqd/023:28:220
244819921111066,919cyclictest27381-21runrttasks22:23:130
244819920451073,878cyclictest0-21swapper00:31:400
24481992032987,1011cyclictest0-21swapper23:13:170
24481991952946,971cyclictest0-21swapper20:46:150
244819919461014,897cyclictest0-21swapper20:01:220
244819919121040,779cyclictest0-21swapper23:36:240
24481991840946,856cyclictest2099-21runrttasks00:15:450
244819917441033,619cyclictest3950irq/9-acpi22:33:360
244819916651098,503cyclictest24477-21cyclictest20:08:340
244819916191047,481cyclictest24477-21cyclictest23:54:190
24481991598953,621cyclictest979-21ssh21:45:020
244819915941004,496cyclictest0-21swapper22:06:180
244819915691097,379cyclictest0-21swapper22:46:000
244819915241008,422cyclictest0-21swapper21:02:400
244819914911038,362cyclictest0-21swapper20:54:270
244819914551092,363cyclictest0-21swapper22:29:550
244819914541029,425cyclictest0-21swapper22:01:470
24481991445803,638cyclictest3630-21ssh23:23:300
22467273837,207sleep00-21swapper19:05:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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