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2026-06-28 - 20:43
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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 Sun Jun 28, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
56819910906654734,54329cyclictest1741-21hald08:00:000
56819910733253473,53761cyclictest22919-21diskmemload10:59:110
56819910684053382,53395cyclictest9-21ksoftirqd/009:23:540
56819910683853418,53420cyclictest0-21swapper07:32:520
56819910666853462,53154cyclictest134850irq/9-eth010:34:540
56819910663253395,53173cyclictest9-21ksoftirqd/010:29:030
56819910658653401,53090cyclictest24086-21munin-node11:35:220
56819910657753457,53028cyclictest0-21swapper11:51:060
56819910657053447,53031cyclictest0-21swapper12:35:390
56819910656253400,53099cyclictest9-21ksoftirqd/011:43:240
56819910651653463,53053cyclictest0-21swapper08:37:100
56819910651053474,53036cyclictest0-21swapper11:56:580
56819910646553453,53012cyclictest0-21swapper07:39:440
56819910645653455,53001cyclictest0-21swapper10:41:060
56819910645553446,53009cyclictest0-21swapper12:14:530
56819910645353484,52969cyclictest0-21swapper08:21:160
56819910643553475,52960cyclictest0-21swapper09:07:390
56819910643453394,53040cyclictest0-21swapper10:24:210
56819910643053435,52995cyclictest0-21swapper11:28:300
56819910642753431,52996cyclictest0-21swapper07:45:050
56819910642553391,53034cyclictest0-21swapper11:12:550
56819910641853433,52985cyclictest0-21swapper07:53:280
56819910640753431,52976cyclictest0-21swapper11:20:570
56819910639453415,52979cyclictest0-21swapper10:09:070
56819910637453472,52902cyclictest0-21swapper07:24:390
56819910637053472,52898cyclictest0-21swapper09:01:270
56819910630153457,52777cyclictest0-21swapper07:10:450
56819910627953404,52811cyclictest9-21ksoftirqd/008:10:530
56819910625453412,52750cyclictest0-21swapper10:15:590
56819910624953409,52748cyclictest0-21swapper11:15:560
56819910620553464,52741cyclictest0-21swapper09:48:310
56819910619453457,52737cyclictest0-21swapper08:51:440
56819910619253417,52775cyclictest0-21swapper09:38:280
56819910618053451,52729cyclictest0-21swapper08:32:490
56819910615753448,52709cyclictest0-21swapper11:04:430
56819910615053438,52712cyclictest0-21swapper07:43:450
56819910614953436,52713cyclictest0-21swapper08:08:420
56819910613553435,52700cyclictest0-21swapper12:03:100
56819910611953326,52761cyclictest134850irq/9-eth008:40:010
56819910609752998,53097cyclictest0-21swapper09:28:050
56819910592652873,53051cyclictest0-21swapper10:02:250
56819910572353021,52700cyclictest23709-21ssh12:21:050
5681995346025,53435cyclictest0-21swapper10:36:050
5681995321426,53188cyclictest0-21swapper08:48:540
5681995317424,53112cyclictest0-21swapper08:58:260
56819922811049,1135cyclictest26743-21ssh10:50:190
56819922631057,1152cyclictest2099-21runrttasks09:58:540
56819921831081,974cyclictest2099-21runrttasks09:19:220
56819921201050,944cyclictest31860-21ssh12:34:090
56819920901044,1012cyclictest0-21swapper11:47:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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