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2026-07-26 - 11:23
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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 Sun Jul 26, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
150029910698053436,53450cyclictest0-21swapper23:34:330
150029910681153464,53283cyclictest134850irq/9-eth000:37:310
150029910664753388,53259cyclictest0-21swapper21:42:000
150029910656653478,53088cyclictest0-21swapper19:41:560
150029910655853395,53099cyclictest9-21ksoftirqd/000:01:510
150029910650353458,53045cyclictest0-21swapper20:03:320
150029910649653468,53028cyclictest0-21swapper21:22:050
150029910648653464,53022cyclictest0-21swapper20:37:120
150029910648153422,53059cyclictest0-21swapper00:13:040
150029910647953416,53063cyclictest0-21swapper21:49:330
150029910646653415,53051cyclictest0-21swapper21:34:480
150029910646453451,53013cyclictest0-21swapper20:59:280
150029910644453401,53043cyclictest0-21swapper20:21:170
150029910641553431,52984cyclictest0-21swapper23:00:330
150029910640253421,52981cyclictest0-21swapper22:01:460
150029910629453392,52811cyclictest0-21swapper21:08:310
150029910627553431,52752cyclictest0-21swapper20:06:430
150029910626853393,52812cyclictest9-21ksoftirqd/019:17:590
150029910626853391,52789cyclictest3950irq/9-acpi00:15:350
150029910625253411,52749cyclictest0-21swapper20:44:240
150029910623153483,52748cyclictest0-21swapper19:59:410
150029910620953468,52741cyclictest0-21swapper20:14:450
150029910619053417,52773cyclictest0-21swapper21:52:130
150029910616653405,52761cyclictest0-21swapper20:19:270
150029910615053396,52754cyclictest0-21swapper19:20:500
150029910614253395,52747cyclictest0-21swapper19:49:480
150029910614253392,52750cyclictest0-21swapper00:33:400
150029910613053432,52698cyclictest0-21swapper21:02:090
150029910612853427,52701cyclictest0-21swapper20:34:410
150029910587853372,52506cyclictest0-21swapper22:15:500
150029910544152908,52531cyclictest24981-21ssh23:20:590
150029910536052938,52420cyclictest6599-21ssh23:41:350
150029910512853018,52108cyclictest0-21swapper22:39:570
15002995402953402,529cyclictest18547-21ssh22:25:030
15002995388724,53765cyclictest32302-21diskmemload22:24:120
15002995384953386,463cyclictest0-21swapper22:48:500
15002995383453395,439cyclictest0-21swapper23:14:270
1500299536938,53564cyclictest0-21swapper19:13:280
15002995360053450,150cyclictest0-21swapper21:57:350
15002995353553386,149cyclictest0-21swapper19:29:320
15002995350327,0cyclictest0-21swapper00:21:360
15002995348625,53461cyclictest0-21swapper20:53:260
15002995339126,53365cyclictest0-21swapper21:13:120
15002995339026,53364cyclictest0-21swapper23:36:430
1500299533266,572cyclictest0-21swapper22:31:250
15002995327325,0cyclictest0-21swapper23:57:490
15002995311126,52994cyclictest0-21swapper22:44:380
15002995302227,52901cyclictest0-21swapper21:38:090
150029944002588,1809cyclictest1741-21hald23:09:360
150029923491075,1149cyclictest32302-21diskmemload23:54:490
150029923401065,1148cyclictest10055-21ssh22:11:290
150029922231025,1073cyclictest32711-21runrttasks19:50:280
150029921481074,949cyclictest5508-21ssh22:53:010
150029920241029,869cyclictest2099-21runrttasks20:27:590
150029920061027,857cyclictest0-21swapper00:07:120
15002991998992,972cyclictest0-21swapper20:47:350
150029919371059,758cyclictest0-21swapper23:27:410
150029919261055,781cyclictest0-21swapper21:18:340
15002991907929,964cyclictest0-21swapper22:59:020
15002991881913,944cyclictest0-21swapper22:07:380
150029918141037,683cyclictest3950irq/9-acpi00:26:280
15002991794926,833cyclictest0-21swapper23:45:560
150029917711030,708cyclictest3950irq/9-acpi23:16:070
150029916071056,459cyclictest9-21ksoftirqd/021:28:570
150029914981009,425cyclictest0-21swapper19:38:350
150029914471082,365cyclictest0-21swapper19:33:230
14362257780,207sleep00-21swapper19:06:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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