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2025-12-04 - 21:26
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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 100 highest latencies:
System rack6slot6 (updated Thu Dec 04, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
185149910679453445,53258cyclictest18497-21cyclictest08:33:120
185149910667853423,53166cyclictest0-21swapper07:19:310
185149910667053469,53078cyclictest17793-21ssh10:15:120
185149910665653430,53163cyclictest18497-21cyclictest10:22:140
185149910658353463,53120cyclictest0-21swapper07:32:550
185149910657453473,53101cyclictest0-21swapper08:42:450
185149910652453483,53041cyclictest0-21swapper10:57:040
185149910652353480,53043cyclictest0-21swapper10:10:400
185149910651653475,53041cyclictest0-21swapper09:30:590
185149910651553475,53040cyclictest0-21swapper12:12:460
185149910648953464,53025cyclictest0-21swapper07:44:280
185149910647453384,52998cyclictest0-21swapper08:46:360
185149910646453475,52897cyclictest9-21ksoftirqd/012:28:200
185149910646153407,53054cyclictest0-21swapper09:19:260
185149910646053407,53053cyclictest0-21swapper09:25:570
185149910645253402,53050cyclictest0-21swapper11:41:470
185149910644453398,53046cyclictest0-21swapper09:58:270
185149910643853398,53040cyclictest0-21swapper09:51:550
185149910641853427,52991cyclictest0-21swapper09:13:040
185149910641253403,53009cyclictest0-21swapper08:52:180
185149910637953412,52878cyclictest9-21ksoftirqd/007:20:410
185149910625453412,52751cyclictest0-21swapper07:12:290
185149910622953477,52752cyclictest0-21swapper07:29:040
185149910622653475,52751cyclictest0-21swapper07:39:370
185149910621053468,52742cyclictest0-21swapper12:07:240
185149910616853405,52763cyclictest0-21swapper11:10:070
185149910616453444,52720cyclictest0-21swapper08:23:090
185149910615553456,52699cyclictest0-21swapper08:19:280
185149910615453440,52714cyclictest0-21swapper09:04:210
185149910612753424,52703cyclictest0-21swapper07:47:590
185149910598553083,52899cyclictest27492-21sh09:43:020
185149910568852931,52755cyclictest12205-21ssh12:21:380
185149910533853055,52280cyclictest9603-21ssh12:18:370
18514995390753441,466cyclictest0-21swapper08:09:350
18514995388453421,463cyclictest0-21swapper11:19:200
18514995380053434,243cyclictest1544-21ssh10:36:580
18514995360127,53482cyclictest9-21ksoftirqd/009:06:520
18514995356325,462cyclictest0-21swapper11:53:300
18514995335820,585cyclictest0-21swapper12:01:520
18514995331726,53291cyclictest0-21swapper07:58:520
18514995324725,0cyclictest0-21swapper07:50:100
18514995324619,53134cyclictest0-21swapper10:48:210
18514995323129,0cyclictest21033-21ssh11:49:590
18514995319828,53049cyclictest0-21swapper11:34:450
185149946232600,2020cyclictest2739-21devkit-power-da11:27:530
185149923911096,1171cyclictest26476-21ssh10:26:150
185149922791077,1078cyclictest9-21ksoftirqd/010:42:290
185149921041043,1027cyclictest0-21swapper11:36:150
185149920551063,894cyclictest27659-21sh11:58:510
185149920431019,1004cyclictest0-21swapper08:01:430
185149920021021,856cyclictest12910-21sh10:07:390
185149919721020,860cyclictest21642-1kworker/u3:009:46:230
185149919641022,904cyclictest3337-21diskmemload11:08:570
185149919431067,783cyclictest0-21swapper10:03:080
185149919401065,781cyclictest0-21swapper08:13:470
18514991915936,958cyclictest0-21swapper08:55:390
185149918991020,787cyclictest3950irq/9-acpi12:34:220
185149918491093,688cyclictest3950irq/9-acpi08:28:510
185149917631008,630cyclictest2249-21Xorg10:52:020
185149917191083,636cyclictest0-21swapper09:21:360
185149917001089,514cyclictest31233-21ssh10:33:370
185149916111072,473cyclictest3950irq/9-acpi11:00:550
18514991515993,484cyclictest24465-21ssh09:39:110
185149915041010,427cyclictest0-21swapper12:35:020
185149914781056,422cyclictest0-21swapper08:39:140
185149914561094,362cyclictest0-21swapper11:21:510
18372255287,209sleep00-21swapper07:09:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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