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2026-01-01 - 19:21
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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 50 highest latencies:
System rack6slot6 (updated Thu Jan 01, 2026 12:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1013999209883105395,104487cyclictest0-21swapper07:50:070
101399910762353406,54118cyclictest1994-21sendmail09:48:000
101399910742753433,53897cyclictest1907-21snmpd07:42:340
101399910675753477,53280cyclictest0-21swapper08:37:400
101399910668253462,53174cyclictest2099-21runrttasks07:47:360
101399910667653476,53136cyclictest9-21ksoftirqd/009:20:530
101399910659753445,53152cyclictest0-21swapper09:11:000
101399910655653474,53019cyclictest9-21ksoftirqd/008:03:100
101399910655053408,53142cyclictest0-21swapper10:13:580
101399910652553409,53116cyclictest0-21swapper07:39:430
101399910651353405,53108cyclictest0-21swapper07:26:200
101399910650453464,53040cyclictest0-21swapper12:16:130
101399910650153468,53033cyclictest0-21swapper10:45:470
101399910648753461,53026cyclictest0-21swapper08:09:520
101399910648753401,53086cyclictest0-21swapper11:49:050
101399910645753408,53049cyclictest0-21swapper10:36:440
101399910644553400,53045cyclictest0-21swapper09:41:190
101399910643753464,52973cyclictest0-21swapper09:35:270
101399910643453444,52990cyclictest0-21swapper11:31:200
101399910632353446,52786cyclictest0-21swapper08:31:180
101399910632053385,52871cyclictest9-21ksoftirqd/008:44:520
101399910631053446,52864cyclictest0-21swapper11:29:100
101399910629753476,52757cyclictest9-21ksoftirqd/008:56:360
101399910627353384,52797cyclictest0-21swapper07:33:420
101399910621953476,52743cyclictest0-21swapper08:21:250
101399910620053424,52776cyclictest0-21swapper08:50:540
101399910618953417,52772cyclictest0-21swapper07:12:460
101399910614753464,52591cyclictest0-21swapper08:14:340
101399910614253442,52700cyclictest0-21swapper08:28:280
101399910613353388,52745cyclictest0-21swapper09:07:090
101399910598453037,52944cyclictest16784-21rm11:16:460
101399910580852958,52848cyclictest31686-21ssh11:39:430
101399910550253040,52459cyclictest30127-21ssh12:25:060
101399910529052995,52293cyclictest6595-21ssh09:25:340
101399910512953029,52098cyclictest0-21swapper12:31:480
101399910502952928,52096cyclictest0-21swapper12:07:310
10139995365953383,212cyclictest0-21swapper09:03:380
10139995363225,53485cyclictest0-21swapper09:51:110
10139995354853396,152cyclictest0-21swapper07:23:490
10139995354053389,151cyclictest0-21swapper07:19:180
10139995323325,452cyclictest0-21swapper12:39:500
10139995313724,53113cyclictest0-21swapper12:00:490
10139995295827,52931cyclictest0-21swapper11:54:570
10139995292125,52896cyclictest0-21swapper09:32:560
10139995280126,52775cyclictest0-21swapper08:17:340
10139995277325,52748cyclictest0-21swapper10:21:500
101399923781071,1182cyclictest30378-21ssh10:00:540
101399923461087,1165cyclictest301812sleep007:57:080
101399923311016,1190cyclictest9967-21ssh10:19:500
101399922581041,1217cyclictest0-21swapper11:56:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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