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2026-01-08 - 17:04
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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 Thu Jan 08, 2026 12:43:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
85119910688153474,53311cyclictest8724-21ssh11:11:380
85119910681253476,53246cyclictest8632-1kworker/u3:211:18:300
85119910670453464,53176cyclictest9-21ksoftirqd/009:01:200
85119910662953480,53059cyclictest9-21ksoftirqd/010:14:310
85119910659053424,53166cyclictest0-21swapper08:45:260
85119910657053431,53139cyclictest0-21swapper08:18:380
85119910650953465,53044cyclictest0-21swapper09:18:550
85119910650553468,53037cyclictest0-21swapper11:00:550
85119910650453465,53039cyclictest0-21swapper08:08:150
85119910646153411,53050cyclictest0-21swapper12:08:540
85119910645953450,53009cyclictest0-21swapper09:10:330
85119910645953406,53053cyclictest0-21swapper08:57:190
85119910645653444,53012cyclictest0-21swapper08:23:290
85119910645553438,53017cyclictest0-21swapper07:22:120
85119910645153454,52997cyclictest0-21swapper10:27:350
85119910643253434,52998cyclictest0-21swapper12:18:470
85119910642253455,52967cyclictest0-21swapper11:09:270
85119910637953478,52901cyclictest0-21swapper07:53:410
85119910626753475,52792cyclictest0-21swapper08:29:410
85119910626453422,52751cyclictest0-21swapper07:28:540
85119910625653441,52697cyclictest0-21swapper09:24:370
85119910623953469,52731cyclictest0-21swapper10:48:110
85119910618853417,52771cyclictest0-21swapper07:45:590
85119910617753455,52722cyclictest0-21swapper08:50:370
85119910615253398,52754cyclictest0-21swapper07:12:490
85119910615053397,52753cyclictest0-21swapper07:40:570
85119910614253394,52748cyclictest0-21swapper08:40:040
85119910613353453,52588cyclictest0-21swapper08:12:160
85119910568052992,52685cyclictest15939-21sh09:44:330
85119910509352994,52097cyclictest0-21swapper10:42:300
8511995396853379,523cyclictest0-21swapper12:38:530
8511995375853421,337cyclictest0-21swapper10:56:030
8511995363453366,206cyclictest3950irq/9-acpi09:37:510
8511995361425,53495cyclictest0-21swapper09:53:050
8511995346553418,47cyclictest0-21swapper07:38:570
8511995324227,456cyclictest0-21swapper11:40:560
8511995314325,53118cyclictest0-21swapper10:07:500
8511995306326,53037cyclictest0-21swapper12:24:390
85119952222773,2439cyclictest2679-21devkit-power-da09:09:030
85119945472727,1816cyclictest1741-21hald11:52:100
85119937941758,1937cyclictest2679-21devkit-power-da12:02:330
85119924201049,1244cyclictest24981-21ssh09:59:270
85119923081018,1192cyclictest4416-21ssh10:15:320
85119922751055,1193cyclictest2272-21munin-node07:16:000
85119922591090,1069cyclictest18587-21ssh11:26:020
85119921831002,1089cyclictest3950irq/9-acpi12:11:150
85119921341060,975cyclictest2099-21runrttasks08:38:140
85119921071094,948cyclictest3950irq/9-acpi11:56:010
85119920891058,967cyclictest9-21ksoftirqd/008:03:140
85119920031082,829cyclictest9-21ksoftirqd/010:21:430
85119919881073,790cyclictest23019-21ssh11:33:240
85119919741027,855cyclictest0-21swapper10:02:380
85119919701024,852cyclictest0-21swapper07:34:450
8511991942954,974cyclictest0-21swapper10:38:580
85119919041043,861cyclictest0-21swapper08:30:110
8511991900977,907cyclictest32646-21ssh11:47:180
8511991886956,896cyclictest134850irq/9-eth011:39:460
85119918571019,804cyclictest3950irq/9-acpi11:24:010
8511991790930,825cyclictest0-21swapper10:33:570
8511991699959,704cyclictest5532-21diskmemload09:28:580
85119916771104,509cyclictest8510-21cyclictest09:48:340
85119916241098,526cyclictest0-21swapper12:26:290
85119916131104,411cyclictest9-21ksoftirqd/010:51:020
85119915891083,506cyclictest0-21swapper07:55:510
85119915561090,376cyclictest9-21ksoftirqd/009:32:190
85119915111014,434cyclictest9-21ksoftirqd/012:34:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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