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2026-09-15 - 12:58
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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 all highest latencies:
System rack6slot6 (updated Tue Sep 15, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
140189910702453407,53526cyclictest0-21swapper23:39:060
140189910692353386,53474cyclictest134850irq/9-eth023:51:200
140189910668153393,53199cyclictest13986-21cyclictest00:36:330
140189910665153444,53115cyclictest0-21swapper21:32:300
140189910661053447,53163cyclictest0-21swapper22:12:410
140189910660453409,53103cyclictest9-21ksoftirqd/023:44:170
140189910660353469,53134cyclictest0-21swapper20:46:560
140189910660353354,53214cyclictest24853-21ssh22:24:240
140189910658953434,53155cyclictest0-21swapper19:27:540
140189910655553391,53099cyclictest0-21swapper22:35:080
140189910651153473,53038cyclictest0-21swapper19:37:260
140189910650553471,53034cyclictest0-21swapper21:38:010
140189910649553389,53043cyclictest13986-21cyclictest20:40:450
140189910648653466,53020cyclictest0-21swapper23:03:460
140189910648253418,53064cyclictest0-21swapper00:32:210
140189910647753465,53012cyclictest0-21swapper20:36:230
140189910645153442,53009cyclictest0-21swapper23:16:190
140189910641453429,52985cyclictest0-21swapper22:58:240
140189910638353473,52910cyclictest0-21swapper21:11:540
140189910635653400,52892cyclictest9-21ksoftirqd/000:16:470
140189910632553470,52743cyclictest0-21swapper19:48:500
140189910632453487,52745cyclictest0-21swapper20:20:090
140189910632053485,52744cyclictest0-21swapper22:30:060
140189910630853476,52832cyclictest0-21swapper21:07:320
140189910625653414,52842cyclictest0-21swapper20:25:500
140189910621753472,52745cyclictest0-21swapper19:50:100
140189910620553477,52728cyclictest0-21swapper20:14:470
140189910618853455,52733cyclictest0-21swapper22:29:160
140189910618653148,53027cyclictest5486-21ssh22:41:190
140189910617953456,52723cyclictest0-21swapper19:30:040
140189910616953447,52722cyclictest0-21swapper20:02:140
140189910606853019,53047cyclictest0-21swapper23:23:010
140189910582153309,52512cyclictest0-21swapper22:04:390
140189910500652896,52108cyclictest0-21swapper21:16:550
14018995367453371,238cyclictest0-21swapper20:19:280
14018995362453448,176cyclictest0-21swapper20:54:190
14018995354924,53430cyclictest0-21swapper23:07:170
14018995350053453,47cyclictest0-21swapper20:09:460
1401899534467,0cyclictest9-21ksoftirqd/023:34:150
14018995341436,53285cyclictest0-21swapper22:50:520
14018995322526,53199cyclictest0-21swapper21:59:070
14018995292526,52899cyclictest0-21swapper20:33:530
140189950002698,2298cyclictest1741-21hald19:55:320
140189946832602,2078cyclictest1741-21hald22:49:020
140189923481055,1167cyclictest1993-21lldpd21:01:510
140189923041033,1148cyclictest0-21swapper22:18:530
140189922851067,1124cyclictest3950irq/9-acpi22:06:590
140189922661060,1112cyclictest308792sleep020:58:000
140189921231039,959cyclictest6700-21ssh00:13:060
140189920411052,893cyclictest9-21ksoftirqd/023:14:190
140189920171029,953cyclictest0-21swapper21:44:330
14018991984957,992cyclictest0-21swapper21:47:140
140189919561016,847cyclictest0-21swapper19:22:520
14018991939958,947cyclictest0-21swapper21:29:190
14018991925977,911cyclictest6202-21ssh23:27:230
140189919221068,854cyclictest0-21swapper00:09:250
140189919121047,773cyclictest0-21swapper19:42:380
14018991793943,815cyclictest0-21swapper21:54:160
140189917831096,687cyclictest0-21swapper00:23:490
14018991712861,834cyclictest20870-21ssh23:47:590
140189916361035,509cyclictest11-21rcu_preempt00:02:530
14018991553920,608cyclictest27387-21ssh23:56:310
140189914981036,462cyclictest0-21swapper00:27:200
140189914391080,359cyclictest0-21swapper21:21:360
14018991113622,486cyclictest24009-21hwlatdetect-tra19:10:490
14018991052593,456cyclictest27628-21hwlatdetect-tra19:16:000
954922070,1sleep09545-21grep19:05:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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