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2026-03-13 - 09:53
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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 Fri Mar 13, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
137339910678853479,53245cyclictest9-21ksoftirqd/019:33:340
137339910672453387,53243cyclictest19949-21diskmemload22:23:130
137339910667553457,53218cyclictest0-21swapper21:01:400
137339910656753453,53114cyclictest0-21swapper20:51:470
137339910656653412,53064cyclictest10388-21rm00:06:130
137339910655953455,53104cyclictest0-21swapper21:05:410
137339910655153460,53091cyclictest0-21swapper00:33:410
137339910652653467,53059cyclictest0-21swapper20:55:080
137339910650753400,53016cyclictest11-21rcu_preempt22:10:090
137339910649453469,53025cyclictest0-21swapper23:19:290
137339910647153456,53015cyclictest0-21swapper22:51:210
137339910646353451,53012cyclictest0-21swapper20:15:360
137339910645853447,53011cyclictest0-21swapper23:58:200
137339910644053438,53002cyclictest0-21swapper22:38:070
137339910643153434,52997cyclictest0-21swapper23:26:510
137339910639153455,52872cyclictest19450irq/14-ata_piix21:52:140
137339910637053426,52848cyclictest14241-21ssh00:12:140
137339910626453391,52808cyclictest0-21swapper20:08:440
137339910621853472,52746cyclictest0-21swapper20:21:280
137339910619953422,52777cyclictest0-21swapper22:08:490
137339910618453414,52770cyclictest0-21swapper20:41:440
137339910617153408,52763cyclictest0-21swapper19:39:460
137339910615853445,52713cyclictest0-21swapper21:59:260
137339910615153399,52752cyclictest0-21swapper22:03:370
137339910611553419,52696cyclictest0-21swapper00:23:380
137339910604452967,53075cyclictest0-21swapper22:41:280
137339910593553375,52560cyclictest0-21swapper21:39:000
137339910589452945,52947cyclictest19080-21ssh23:31:030
137339910584953347,52502cyclictest0-21swapper23:04:350
137339910537053116,52254cyclictest0-21swapper21:41:410
137339910527353029,52241cyclictest21287-21sh22:46:500
13733995362828,465cyclictest0-21swapper20:39:030
13733995355827,0cyclictest0-21swapper23:24:210
13733995350826,465cyclictest0-21swapper19:50:590
13733995326725,53149cyclictest0-21swapper19:44:170
13733995311825,53093cyclictest0-21swapper20:12:350
13733995303827,52919cyclictest0-21swapper20:47:050
137339947962600,2193cyclictest1741-21hald19:17:400
137339924441053,1325cyclictest9-21ksoftirqd/020:00:320
137339924141015,1273cyclictest2099-21runrttasks00:03:120
137339922971098,1106cyclictest0-21swapper23:53:490
137339922561086,1103cyclictest3950irq/9-acpi22:31:350
137339922461063,1088cyclictest0-21swapper21:48:430
137339921991041,1120cyclictest30243-21munin-node21:25:160
137339921831065,1027cyclictest3950irq/9-acpi21:24:260
137339920871088,905cyclictest134850irq/9-eth021:11:220
13733992069994,1040cyclictest0-21swapper19:48:480
13733992048997,1016cyclictest0-21swapper19:58:510
137339919991023,854cyclictest0-21swapper00:38:020
137339919871091,773cyclictest19949-21diskmemload00:19:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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