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2026-06-06 - 16:27
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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 Sat Jun 06, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
227779910655853395,53163cyclictest0-21swapper19:28:350
227779910655853394,53099cyclictest0-21swapper23:40:580
227779910650753473,53034cyclictest0-21swapper23:16:510
227779910650353477,53026cyclictest0-21swapper00:28:220
227779910650253428,53074cyclictest0-21swapper19:54:330
227779910649753412,53085cyclictest0-21swapper20:52:090
227779910649353437,53056cyclictest0-21swapper22:29:570
227779910649153438,53053cyclictest0-21swapper00:32:530
227779910649053467,53023cyclictest0-21swapper23:14:100
227779910647253414,53058cyclictest0-21swapper21:25:390
227779910646953413,53056cyclictest0-21swapper20:38:150
227779910645253404,53048cyclictest0-21swapper23:46:500
227779910644253399,53043cyclictest0-21swapper20:14:080
227779910643853444,52994cyclictest0-21swapper19:40:390
227779910643153439,52992cyclictest0-21swapper22:15:130
227779910641953433,52986cyclictest0-21swapper20:43:070
227779910641053428,52982cyclictest0-21swapper19:32:260
227779910640553421,52984cyclictest0-21swapper20:15:190
227779910640353424,52979cyclictest0-21swapper20:24:010
227779910626553388,52812cyclictest0-21swapper21:08:340
227779910625053460,52790cyclictest0-21swapper20:58:310
227779910622853479,52749cyclictest0-21swapper20:48:080
227779910619953437,52762cyclictest0-21swapper21:04:430
227779910619553481,52714cyclictest0-21swapper22:51:240
227779910615653440,52716cyclictest0-21swapper00:22:400
227779910615653400,52756cyclictest0-21swapper21:39:430
227779910610753417,52690cyclictest0-21swapper20:27:320
227779910594953058,52880cyclictest22424-21ssh23:52:210
227779910568653043,52641cyclictest30302-21ssh00:04:050
227779910529053054,52234cyclictest3714-21ssh00:11:270
227779910518253061,52118cyclictest0-21swapper00:36:540
227779910515353051,52101cyclictest0-21swapper23:24:330
227779910509552991,52102cyclictest0-21swapper00:15:580
22777995371629,0cyclictest23431-21ssh22:21:250
22777995356125,53536cyclictest0-21swapper22:34:390
22777995355525,0cyclictest0-21swapper21:43:440
22777995355426,0cyclictest0-21swapper22:09:420
22777995342027,53393cyclictest0-21swapper21:53:470
22777995331826,53198cyclictest0-21swapper22:02:190
22777995314025,53023cyclictest0-21swapper21:23:180
22777995305625,52938cyclictest0-21swapper19:49:210
22777995279026,52764cyclictest0-21swapper19:58:440
227779945732681,1884cyclictest2679-21devkit-power-da22:40:510
227779924501080,1276cyclictest9-21ksoftirqd/021:46:150
227779924451095,1283cyclictest3950irq/9-acpi22:46:220
227779922881068,1127cyclictest134850irq/9-eth021:16:160
22777992229983,1195cyclictest2099-21runrttasks22:38:400
227779921921040,1058cyclictest9-21ksoftirqd/021:57:380
227779920371034,877cyclictest1581-21ssh00:09:360
227779919661013,827cyclictest2099-21runrttasks20:08:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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