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2026-03-14 - 11:17
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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 Sat Mar 14, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
263989910735053466,53788cyclictest2099-21runrttasks20:28:450
263989910717053427,53646cyclictest2099-21runrttasks19:59:160
263989910716053459,53636cyclictest134850irq/9-eth000:02:360
263989910714853407,53618cyclictest966-21ssh22:09:040
263989910679053467,53232cyclictest0-21swapper21:00:040
263989910669653456,53240cyclictest0-21swapper22:32:000
263989910662453399,53225cyclictest0-21swapper20:39:080
263989910659753443,53062cyclictest0-21swapper20:19:120
263989910657253398,53110cyclictest0-21swapper20:48:510
263989910655653430,53028cyclictest1907-21snmpd21:26:110
263989910652153478,53043cyclictest0-21swapper21:55:200
263989910651753424,53093cyclictest0-21swapper19:37:200
263989910650853418,53090cyclictest0-21swapper20:55:230
263989910647453461,53013cyclictest0-21swapper00:36:460
263989910645553406,53049cyclictest0-21swapper22:27:590
263989910643653398,53038cyclictest0-21swapper21:15:380
263989910642653424,53002cyclictest0-21swapper22:49:450
263989910642153429,52992cyclictest0-21swapper23:38:300
263989910633953395,52852cyclictest0-21swapper00:34:060
263989910628553386,52899cyclictest0-21swapper23:25:560
263989910623853445,52793cyclictest0-21swapper19:29:480
263989910619753462,52735cyclictest0-21swapper20:31:360
263989910619453460,52734cyclictest0-21swapper21:23:410
263989910618753477,52710cyclictest0-21swapper22:19:270
263989910618153458,52723cyclictest0-21swapper20:43:390
263989910614253394,52748cyclictest0-21swapper20:23:030
263989910611453048,53064cyclictest0-21swapper19:24:460
263989910604053398,52642cyclictest0-21swapper23:06:200
263989910599153020,52968cyclictest12515-21ssh21:38:350
263989910563053032,52596cyclictest16450-21ssh21:44:370
263989910552152979,52539cyclictest15454-21ssh23:15:530
263989910529752963,52332cyclictest11294-21rm22:23:480
26398995380025,0cyclictest2099-21runrttasks23:10:010
26398995359026,53470cyclictest0-21swapper22:02:420
26398995344125,53416cyclictest0-21swapper00:19:410
26398995334828,53320cyclictest0-21swapper21:33:340
26398995324119,53222cyclictest0-21swapper23:48:320
26398995312324,53099cyclictest0-21swapper21:07:260
26398995303526,52944cyclictest0-21swapper22:38:420
263989925161094,1297cyclictest6561-21ssh23:04:000
263989923661017,1222cyclictest23063-21ssh21:53:590
263989923041031,1206cyclictest9-21ksoftirqd/020:53:320
263989921831058,1031cyclictest9-21ksoftirqd/023:44:310
263989921381013,1086cyclictest1907-21snmpd00:05:570
263989921321057,668cyclictest0-21swapper20:14:310
263989920621082,885cyclictest1907-21snmpd20:08:290
263989920401008,998cyclictest0-21swapper21:11:270
26398992018980,1003cyclictest0-21swapper21:46:170
26398992014987,1007cyclictest0-21swapper23:23:550
26398991967948,984cyclictest0-21swapper22:11:550
26398991944937,972cyclictest0-21swapper00:20:320
263989919441043,809cyclictest134850irq/9-eth023:59:150
263989919171019,835cyclictest3950irq/9-acpi00:29:440
263989919011034,773cyclictest0-21swapper00:12:590
26398991891911,966cyclictest0-21swapper22:44:040
263989917491070,587cyclictest0-21swapper19:48:430
263989917321060,581cyclictest0-21swapper23:50:530
263989917061097,609cyclictest0-21swapper19:33:490
263989916761060,612cyclictest0-21swapper19:41:010
263989916691079,590cyclictest0-21swapper22:52:260
263989916631089,452cyclictest25613-21ssh23:30:370
263989916291059,570cyclictest0-21swapper20:04:580
263989916241057,567cyclictest0-21swapper19:51:240
26398991621992,592cyclictest2670-21ssh22:58:080
26398991171610,559cyclictest10134-21hwlatdetect-tra19:15:540
2639899999625,373cyclictest9-21ksoftirqd/019:13:430
3112622150,1sleep031127-21hwlatdetect-tra19:06:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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