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2026-03-11 - 05:06
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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 376 highest latencies:
System rack6slot6 (updated Wed Mar 11, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
264079910702053415,53538cyclictest0-21swapper19:11:180
264079910696353457,53414cyclictest9-21ksoftirqd/022:00:470
264079910690853478,53308cyclictest112272sleep021:09:420
264079910687653408,53402cyclictest3950irq/9-acpi23:26:520
264079910685653438,53296cyclictest403-21ssh22:29:250
264079910665053393,53164cyclictest0-21swapper00:19:070
264079910663253429,53113cyclictest9-21ksoftirqd/022:47:500
264079910658553422,53099cyclictest0-21swapper00:39:230
264079910652053436,53084cyclictest0-21swapper21:30:080
264079910650453473,53031cyclictest0-21swapper21:35:500
264079910648653465,53021cyclictest0-21swapper23:57:100
264079910648253420,53062cyclictest0-21swapper23:01:340
264079910646353450,53013cyclictest0-21swapper21:14:540
264079910646153407,53054cyclictest0-21swapper22:55:030
264079910645453475,52915cyclictest26402-21cyclictest19:15:490
264079910645253444,53008cyclictest0-21swapper19:38:460
264079910644653401,53045cyclictest0-21swapper20:46:360
264079910643553394,53041cyclictest0-21swapper20:00:520
264079910642753433,52994cyclictest0-21swapper22:12:500
264079910641653425,52991cyclictest0-21swapper00:07:230
264079910641453425,52989cyclictest0-21swapper21:52:140
264079910639553414,52981cyclictest0-21swapper19:24:020
264079910632953381,52857cyclictest0-21swapper21:23:160
264079910631353474,52839cyclictest0-21swapper19:47:080
264079910625553389,52804cyclictest0-21swapper21:04:510
264079910625253384,52803cyclictest0-21swapper00:14:250
264079910624753407,52748cyclictest0-21swapper20:16:570
264079910623653482,52754cyclictest0-21swapper19:29:230
264079910620353407,52796cyclictest0-21swapper20:26:400
264079910619153463,52728cyclictest0-21swapper20:34:320
264079910618053452,52728cyclictest0-21swapper19:40:260
264079910616753446,52721cyclictest0-21swapper20:56:080
264079910616253464,52698cyclictest0-21swapper20:37:030
264079910614753397,52750cyclictest0-21swapper19:58:320
264079910612353429,52694cyclictest0-21swapper20:21:280
264079910612253423,52699cyclictest0-21swapper22:40:380
264079910606953356,52690cyclictest24124-21ssh23:50:590
264079910513453029,52103cyclictest0-21swapper23:42:060
264079910508752990,52095cyclictest0-21swapper21:49:240
264079910507752978,52097cyclictest0-21swapper23:39:450
26407995346525,53440cyclictest0-21swapper19:51:200
26407995341127,53384cyclictest0-21swapper21:17:040
26407995332326,53177cyclictest0-21swapper20:52:470
26407995323326,0cyclictest0-21swapper20:08:140
26407995305327,53026cyclictest0-21swapper19:30:030
26407995274327,52716cyclictest0-21swapper22:16:410
264079923811019,1270cyclictest26402-21cyclictest00:29:100
264079923501049,1209cyclictest207882sleep020:14:260
264079923121100,1118cyclictest134850irq/9-eth023:15:590
264079922691009,1166cyclictest134850irq/9-eth000:31:100
264079922461040,1082cyclictest21940-21ssh23:48:380
264079921131085,903cyclictest2099-21runrttasks23:23:210
264079920871033,1020cyclictest0-21swapper23:32:530
264079920761092,855cyclictest11292-21diskmemload00:24:080
264079920701026,1010cyclictest0-21swapper20:42:040
26407992027987,1006cyclictest0-21swapper21:42:120
264079920241072,859cyclictest3950irq/9-acpi00:04:530
26407991913934,958cyclictest0-21swapper23:08:060
264079919121039,781cyclictest0-21swapper22:51:010
26407991909921,974cyclictest0-21swapper22:37:270
26407991826959,830cyclictest28005-21ssh22:21:130
26407991786939,811cyclictest24235-21ssh21:28:480
264079917541098,656cyclictest0-21swapper22:08:190
264079916661053,613cyclictest0-21swapper22:30:150
264079915491021,436cyclictest9-21ksoftirqd/023:11:570
264079914271078,349cyclictest0-21swapper21:57:160
26343252561,207sleep00-21swapper19:09:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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