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2026-05-22 - 03:05
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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 Fri May 22, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33579910667653421,53189cyclictest0-21swapper20:44:440
33579910666553473,53101cyclictest0-21swapper22:02:060
33579910661853302,53301cyclictest8369-21ssh23:45:360
33579910656053385,53110cyclictest21487-21kworker/0:121:10:510
33579910652053477,53043cyclictest0-21swapper22:05:570
33579910651253403,53109cyclictest0-21swapper19:49:180
33579910650453469,53035cyclictest0-21swapper19:35:240
33579910647953465,53014cyclictest0-21swapper23:40:440
33579910646853456,53012cyclictest0-21swapper23:56:190
33579910643453395,53039cyclictest0-21swapper20:50:250
33579910642753432,52995cyclictest0-21swapper00:22:570
33579910641353428,52985cyclictest0-21swapper00:37:510
33579910638053475,52840cyclictest0-21swapper19:27:110
33579910624953384,52802cyclictest0-21swapper21:28:060
33579910622253415,52770cyclictest0-21swapper20:30:500
33579910618053472,52708cyclictest0-21swapper21:08:210
33579910617353458,52715cyclictest0-21swapper22:12:390
33579910616153447,52714cyclictest0-21swapper21:30:270
33579910615553442,52713cyclictest0-21swapper23:31:020
33579910614853442,52706cyclictest0-21swapper22:38:370
33579910600153029,52970cyclictest28888-21ssh21:55:440
33579910579352923,52868cyclictest17416-21ssh22:25:430
33579910572052987,52731cyclictest32099-21ssh22:47:190
33579910517153054,52115cyclictest0-21swapper23:52:180
3357995358025,53463cyclictest0-21swapper20:57:070
3357995351127,438cyclictest0-21swapper22:58:020
3357995348327,0cyclictest0-21swapper19:58:300
3357995333226,53270cyclictest19324-21ssh21:42:300
3357995328826,53262cyclictest0-21swapper00:07:420
3357995315524,53038cyclictest0-21swapper22:51:100
3357995312626,53100cyclictest0-21swapper19:50:480
3357995290129,14cyclictest18996-21kworker/0:119:30:520
3357995282832,52702cyclictest0-21swapper22:41:470
33579924881077,1285cyclictest28354-21diskmemload00:13:440
33579924711087,1289cyclictest9-21ksoftirqd/020:18:560
33579924461061,1257cyclictest5778-21ssh00:29:490
33579924391061,1280cyclictest20776-21ssh23:17:380
33579924181048,1246cyclictest2099-21runrttasks23:24:200
33579923541068,1220cyclictest3950irq/9-acpi23:10:560
33579922901082,1085cyclictest0-21swapper23:05:440
33579922501034,1095cyclictest0-21swapper21:46:010
33579922331015,1124cyclictest3950irq/9-acpi23:02:130
33579921641043,1023cyclictest1317-21ssh21:16:430
33579921261051,982cyclictest134850irq/9-eth022:15:300
3357992076996,984cyclictest7761-21ssh00:31:390
33579919981025,853cyclictest0-21swapper20:08:430
3357991972953,985cyclictest0-21swapper20:29:390
3357991942936,972cyclictest0-21swapper23:26:100
3357991938941,962cyclictest0-21swapper22:30:040
33579919271034,799cyclictest0-21swapper20:04:320
33579918331007,756cyclictest3950irq/9-acpi21:20:140
33579918311087,650cyclictest0-21swapper19:23:400
3357991798978,781cyclictest31040-21ssh00:19:360
33579917001023,642cyclictest26345-21ssh21:52:430
33579916911018,635cyclictest2099-21runrttasks21:01:590
33579916611091,506cyclictest9-21ksoftirqd/021:37:390
33579916151093,456cyclictest0-21swapper20:22:170
33579916151058,557cyclictest0-21swapper20:48:150
33579915301009,453cyclictest0-21swapper19:43:160
335799151425,1363cyclictest1323-21ssh23:35:430
33579914961096,400cyclictest0-21swapper20:39:420
33579914661101,365cyclictest0-21swapper20:10:440
33579914611005,421cyclictest15206-21ssh22:23:220
3357991421704,710cyclictest0-21swapper00:03:310
3357991156602,551cyclictest14177-21hwlatdetect-tra19:10:060
3357991114584,528cyclictest27599-21hwlatdetect-tra19:16:280
238912880,2sleep023890-21wc19:09:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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