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2026-07-22 - 09:29
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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 Wed Jul 22, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
222249910685553410,53445cyclictest0-21swapper23:26:010
222249910667953406,53273cyclictest0-21swapper19:27:520
222249910658953426,53099cyclictest0-21swapper00:18:460
222249910657553441,53134cyclictest0-21swapper00:24:580
222249910657353415,53158cyclictest0-21swapper20:25:590
222249910655453423,53039cyclictest0-21swapper20:00:520
222249910648653464,53022cyclictest0-21swapper20:16:160
222249910647853461,53017cyclictest0-21swapper20:30:400
222249910643253439,52993cyclictest0-21swapper23:06:550
222249910643053435,52995cyclictest0-21swapper22:24:030
222249910628253386,52805cyclictest0-21swapper19:30:330
222249910628153383,52833cyclictest0-21swapper00:33:100
222249910622553479,52746cyclictest0-21swapper19:21:200
222249910620453469,52735cyclictest0-21swapper20:49:560
222249910619553349,52810cyclictest2099-21runrttasks19:45:370
222249910619053482,52708cyclictest0-21swapper20:50:560
222249910618653401,52785cyclictest0-21swapper20:12:150
222249910618153455,52726cyclictest0-21swapper20:58:380
222249910615653399,52757cyclictest0-21swapper20:22:580
222249910615153456,52695cyclictest0-21swapper22:48:200
222249910611853065,53051cyclictest0-21swapper23:48:170
222249910601252918,53092cyclictest0-21swapper22:52:510
222249910594952908,53039cyclictest0-21swapper21:40:500
222249910547153146,52325cyclictest0-21swapper23:50:280
222249910517953072,52105cyclictest0-21swapper21:55:550
222249910513453023,52109cyclictest0-21swapper22:58:530
222249910512853019,52107cyclictest0-21swapper23:39:250
222249910508852994,52092cyclictest0-21swapper23:18:590
222249910502852936,52090cyclictest0-21swapper21:20:040
222249910501752891,52124cyclictest0-21swapper23:02:540
222249910490352844,52057cyclictest0-21swapper23:59:500
22224995342026,53394cyclictest0-21swapper00:35:510
22224995322526,475cyclictest0-21swapper19:56:100
2222499531088,53098cyclictest0-21swapper22:08:080
2222499531028,9cyclictest0-21swapper21:17:340
2222499530788,53068cyclictest0-21swapper22:43:180
22224995278225,52757cyclictest0-21swapper19:42:560
222249952582739,2516cyclictest1741-21hald21:48:330
222249925061081,1298cyclictest25174-21runrttasks21:01:390
22224992128988,1102cyclictest608-21ssh23:31:220
222249920811030,1016cyclictest0-21swapper20:44:540
222249919851029,862cyclictest0-21swapper23:20:090
222249919791028,858cyclictest0-21swapper19:16:090
222249919771079,898cyclictest0-21swapper19:39:350
22224991975953,988cyclictest0-21swapper21:27:260
222249919561029,892cyclictest23423-21ssh00:03:410
222249919421012,895cyclictest0-21swapper19:50:590
22224991920974,926cyclictest0-21swapper21:09:110
22224991892909,969cyclictest0-21swapper00:28:490
222249917371036,701cyclictest0-21swapper21:50:530
222249916571088,504cyclictest9-21ksoftirqd/020:08:340
22224991645987,638cyclictest5350irq/9-uhci_hcd:23:44:060
22224991633805,825cyclictest0-21swapper21:11:020
22224991631855,763cyclictest15124-21kworker/u2:200:05:420
22224991617799,815cyclictest0-21swapper22:26:440
22224991607793,806cyclictest0-21swapper22:18:510
22224991543761,770cyclictest7921-21ssh22:10:490
222249915361051,420cyclictest9-21ksoftirqd/020:37:420
22224991494715,775cyclictest0-21swapper23:11:460
222249914931034,368cyclictest0-21swapper22:39:570
22224991478705,769cyclictest0-21swapper21:39:400
222249914641099,365cyclictest0-21swapper21:30:470
22224991453680,769cyclictest0-21swapper22:03:070
222249914211075,346cyclictest0-21swapper22:33:460
222249913631046,317cyclictest0-21swapper19:14:380
22224991290746,532cyclictest30050-21sh00:12:440
88282810,2sleep08824-21grep19:07:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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