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2026-06-13 - 21:52
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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 Sat Jun 13, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
238529910728153461,53728cyclictest9-21ksoftirqd/009:05:140
238529910722153430,53666cyclictest2099-21runrttasks09:58:200
238529910706853478,53493cyclictest1948-21lldpd07:32:280
238529910703253409,53532cyclictest0-21swapper10:01:110
238529910702653438,53500cyclictest3950irq/9-acpi12:12:180
238529910684753435,53323cyclictest3950irq/9-acpi12:32:240
238529910666053470,53190cyclictest0-21swapper11:28:560
238529910660553445,53160cyclictest0-21swapper09:54:290
238529910660153461,53018cyclictest14372-21ssh10:52:150
238529910659653440,53156cyclictest0-21swapper10:29:390
238529910659553441,53154cyclictest0-21swapper11:59:150
238529910659053473,53051cyclictest0-21swapper12:01:550
238529910658853434,53154cyclictest0-21swapper08:50:300
238529910655553425,53130cyclictest0-21swapper10:45:530
238529910655253405,53147cyclictest0-21swapper08:20:010
238529910654453412,53040cyclictest0-21swapper12:05:060
238529910652353404,53119cyclictest0-21swapper07:59:560
238529910651153467,53044cyclictest0-21swapper10:42:320
238529910649253423,53069cyclictest0-21swapper08:31:250
238529910643753398,53039cyclictest0-21swapper07:51:130
238529910643053437,52993cyclictest0-21swapper09:02:440
238529910640153419,52982cyclictest0-21swapper09:33:230
238529910626653419,52847cyclictest0-21swapper08:59:030
238529910626353417,52846cyclictest0-21swapper12:24:520
238529910621653471,52745cyclictest0-21swapper11:16:120
238529910617253411,52761cyclictest0-21swapper07:47:120
238529910617153408,52763cyclictest0-21swapper08:47:190
238529910616253448,52714cyclictest0-21swapper07:38:500
238529910616153401,52760cyclictest0-21swapper08:02:060
238529910613553431,52704cyclictest0-21swapper08:15:300
238529910610353414,52689cyclictest0-21swapper08:12:390
238529910600052920,53075cyclictest0-21swapper11:22:340
238529910516352934,52227cyclictest28185-21munin-node07:20:140
23852995374153409,332cyclictest0-21swapper10:34:300
23852995351025,388cyclictest0-21swapper11:30:360
23852995348353303,180cyclictest0-21swapper09:37:140
23852995345853412,46cyclictest0-21swapper11:07:000
23852995332225,53201cyclictest0-21swapper07:44:310
23852995317726,175cyclictest0-21swapper07:28:060
23852995301225,52922cyclictest0-21swapper12:17:200
23852995294727,52796cyclictest9-21ksoftirqd/009:24:500
238529948062449,2353cyclictest1741-21hald12:27:030
238529924601074,1258cyclictest8836-21diskmemload10:12:040
238529923701077,1198cyclictest251002sleep007:11:120
238529922801018,1262cyclictest0-21swapper10:20:560
238529921911057,1011cyclictest8836-21diskmemload11:51:120
238529921241107,890cyclictest5048-21ssh10:39:010
238529921141049,971cyclictest3950irq/9-acpi11:43:400
238529921101100,915cyclictest9-21ksoftirqd/011:35:480
238529920891076,921cyclictest0-21swapper10:07:120
238529920841040,1009cyclictest21636-21ssh11:03:180
23852992064999,1045cyclictest20929-21kworker/0:110:17:550
238529920521022,1010cyclictest0-21swapper12:35:450
23852991991974,1017cyclictest0-21swapper11:13:310
238529919841030,864cyclictest0-21swapper08:44:490
23852991968956,978cyclictest0-21swapper08:05:470
238529919561070,886cyclictest0-21swapper09:16:380
23852991954954,979cyclictest0-21swapper11:45:410
23852991939943,981cyclictest0-21swapper09:26:100
238529918761032,844cyclictest0-21swapper09:46:260
23852991816942,840cyclictest0-21swapper08:26:130
238529917971067,610cyclictest8836-21diskmemload10:59:170
238529916501044,541cyclictest134850irq/9-eth007:18:240
238529916051096,412cyclictest9-21ksoftirqd/009:40:040
238529915831077,506cyclictest0-21swapper08:38:370
238529914091072,337cyclictest0-21swapper09:13:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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