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2025-11-19 - 17:44
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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 Wed Nov 19, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
268019910679853458,53340cyclictest0-21swapper11:44:050
268019910675953415,53253cyclictest0-21swapper08:56:160
268019910668353422,53195cyclictest0-21swapper07:49:270
268019910660053411,53189cyclictest0-21swapper09:03:280
268019910654153385,53091cyclictest0-21swapper11:20:480
268019910649153403,53023cyclictest0-21swapper10:58:410
268019910648853463,53025cyclictest0-21swapper08:06:520
268019910647753415,53062cyclictest0-21swapper10:43:370
268019910646753451,53016cyclictest0-21swapper09:07:090
268019910646353452,53011cyclictest0-21swapper11:46:150
268019910641753425,52992cyclictest0-21swapper11:28:200
268019910640953455,52889cyclictest9-21ksoftirqd/007:25:000
268019910640553468,52937cyclictest0-21swapper07:34:430
268019910639753473,52861cyclictest26800-21cyclictest07:53:580
268019910636353432,52931cyclictest0-21swapper07:29:010
268019910622153432,52789cyclictest0-21swapper07:57:290
268019910617353404,52769cyclictest0-21swapper09:27:350
268019910615453398,52756cyclictest0-21swapper10:07:070
268019910614953392,52757cyclictest0-21swapper08:24:570
268019910614753396,52751cyclictest0-21swapper08:33:300
268019910602953305,52700cyclictest14604-21ssh09:58:540
268019910599652913,53081cyclictest0-21swapper09:53:330
268019910597853310,52668cyclictest0-21swapper12:18:340
268019910583053328,52502cyclictest0-21swapper11:57:180
268019910551753006,52508cyclictest10780-21ssh12:09:220
268019910519253077,52113cyclictest0-21swapper10:18:500
268019910515853036,52121cyclictest0-21swapper10:23:010
268019910514753050,52095cyclictest0-21swapper09:38:080
268019910511753028,52087cyclictest0-21swapper10:14:190
268019910509452987,52106cyclictest0-21swapper11:06:040
268019910502852926,52100cyclictest0-21swapper09:11:100
26801995357853406,109cyclictest0-21swapper08:38:210
26801995356353394,104cyclictest0-21swapper07:43:550
26801995342224,53398cyclictest0-21swapper11:18:570
26801995336125,53336cyclictest0-21swapper09:33:470
26801995327926,53158cyclictest0-21swapper08:15:040
26801995313324,53109cyclictest0-21swapper07:35:530
26801995304615,53015cyclictest11679-21diskmemload12:12:030
26801995277625,52751cyclictest0-21swapper09:49:320
268019961393127,2911cyclictest2739-21devkit-power-da07:10:060
268019960933081,2974cyclictest2739-21devkit-power-da11:13:060
268019927031061,1518cyclictest17352-21ssh10:02:150
268019922461076,1072cyclictest31134-21ssh12:37:200
268019922231030,1102cyclictest3950irq/9-acpi09:19:330
268019920991040,1025cyclictest0-21swapper08:14:540
268019920771028,1015cyclictest0-21swapper08:25:370
268019920711033,1018cyclictest0-21swapper10:48:080
268019920251003,929cyclictest133750irq/9-eth011:31:110
26801991964998,932cyclictest0-21swapper07:16:170
268019919641020,923cyclictest0-21swapper12:31:080
268019919191028,769cyclictest0-21swapper11:39:130
268019918931028,772cyclictest0-21swapper08:54:050
268019918861014,746cyclictest11679-21diskmemload09:41:090
26801991813928,860cyclictest7116-21ssh12:04:100
268019917861055,609cyclictest22006-21ssh10:54:400
268019917711006,699cyclictest3950irq/9-acpi10:32:240
26801991765905,836cyclictest4234-21ssh10:29:530
268019917471033,590cyclictest11679-21diskmemload12:28:170
268019917091042,605cyclictest9-21ksoftirqd/009:24:440
268019916221087,410cyclictest9-21ksoftirqd/011:02:120
268019916221036,466cyclictest0-21swapper08:43:320
268019916131074,539cyclictest0-21swapper08:49:540
268019915361087,383cyclictest203582sleep012:22:050
26801991534955,565cyclictest31318-21ssh11:52:170
268019914561094,362cyclictest0-21swapper10:36:150
268019914561082,374cyclictest0-21swapper08:01:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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