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2026-07-07 - 21:49
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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 Jul 07, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
271209910696053376,53494cyclictest0-21swapper12:32:330
271209910675553425,53234cyclictest17299-21ssh09:15:460
271209910663953453,53063cyclictest22952-21ssh10:53:140
271209910663953437,53202cyclictest0-21swapper08:41:360
271209910663653419,53160cyclictest0-21swapper07:20:430
271209910654753424,53123cyclictest0-21swapper07:15:520
271209910650753472,53035cyclictest0-21swapper09:58:390
271209910648753473,53014cyclictest0-21swapper08:00:140
271209910647353413,53060cyclictest0-21swapper09:24:590
271209910646853411,53057cyclictest0-21swapper11:09:090
271209910645253404,53048cyclictest0-21swapper08:08:170
271209910645153469,52982cyclictest0-21swapper07:11:000
271209910645053404,53046cyclictest0-21swapper12:35:540
271209910643253392,53040cyclictest0-21swapper12:00:140
271209910634353421,52922cyclictest0-21swapper08:23:010
271209910633753421,52824cyclictest0-21swapper07:52:120
271209910626753391,52811cyclictest0-21swapper07:42:090
271209910624453471,52773cyclictest0-21swapper08:47:380
271209910620853452,52756cyclictest0-21swapper09:06:540
271209910620453468,52736cyclictest0-21swapper07:32:570
271209910619153416,52775cyclictest0-21swapper08:51:390
271209910616153403,52758cyclictest0-21swapper08:57:410
271209910572253088,52629cyclictest9495-21ssh11:19:520
271209910557152928,52641cyclictest4311-21ssh09:42:540
271209910532552902,52421cyclictest20161-21ssh12:18:290
271209910519453032,52160cyclictest16199-21ssh11:28:440
271209910508852984,52102cyclictest0-21swapper10:35:390
27120995355253417,44cyclictest0-21swapper11:31:050
27120995350625,0cyclictest0-21swapper08:36:050
27120995332427,402cyclictest0-21swapper10:40:410
27120995324425,53127cyclictest0-21swapper10:18:340
27120995321026,0cyclictest0-21swapper12:11:570
27120995300652968,35cyclictest13363-21runrttasks12:09:260
27120995277724,52753cyclictest0-21swapper07:25:340
271209923781075,1209cyclictest3950irq/9-acpi11:24:430
271209922611082,1054cyclictest12156-21diskmemload10:04:000
271209922301055,1051cyclictest12156-21diskmemload09:46:150
271209920991098,876cyclictest19322-21ssh10:48:130
271209920941059,943cyclictest3950irq/9-acpi11:14:500
271209920831038,952cyclictest134850irq/9-eth010:10:320
271209920561017,1005cyclictest0-21swapper08:27:120
271209920561015,1004cyclictest15350-21ssh09:14:060
271209920171032,893cyclictest0-21swapper09:52:170
271209920031011,983cyclictest0-21swapper11:59:530
271209920011081,821cyclictest1907-21snmpd09:26:590
271209919891035,860cyclictest0-21swapper07:47:410
271209919761025,858cyclictest0-21swapper12:20:590
27120991969947,987cyclictest0-21swapper09:32:210
27120991955948,972cyclictest0-21swapper11:39:580
271209919511091,860cyclictest0-21swapper12:29:320
27120991940955,948cyclictest2197-21ssh11:54:120
27120991916935,958cyclictest0-21swapper10:32:580
271209919091037,777cyclictest0-21swapper08:34:340
27120991870921,912cyclictest26372-21ssh11:42:180
271209918231013,720cyclictest134850irq/9-eth010:29:170
271209917431091,652cyclictest0-21swapper07:57:030
271209917381032,706cyclictest0-21swapper07:35:270
271209916791016,597cyclictest3950irq/9-acpi08:16:390
271209916621045,552cyclictest134850irq/9-eth011:46:190
27120991638949,655cyclictest674-21ssh09:38:130
271209916371006,595cyclictest29406-21ssh11:01:470
271209916101066,544cyclictest0-21swapper10:07:010
27120991464766,688cyclictest27108-21ssh10:59:260
271209914551095,360cyclictest0-21swapper08:14:380
271209914501051,399cyclictest0-21swapper09:03:530
271209914291085,344cyclictest0-21swapper10:24:460
26258255083,207sleep00-21swapper07:06:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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