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2026-06-04 - 00:53
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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 Wed Jun 03, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
43159910702753465,53463cyclictest2099-21runrttasks07:48:340
43159910675753448,53309cyclictest0-21swapper11:20:350
43159910668553419,53266cyclictest0-21swapper10:21:280
43159910664553424,53155cyclictest0-21swapper07:12:230
43159910657853462,53116cyclictest0-21swapper09:23:210
43159910649153469,53022cyclictest0-21swapper07:42:120
43159910649053468,53022cyclictest0-21swapper11:54:350
43159910648053403,53077cyclictest0-21swapper12:10:390
43159910647253400,53072cyclictest0-21swapper12:29:450
43159910627653473,52803cyclictest0-21swapper07:37:510
43159910621953477,52742cyclictest0-21swapper09:52:090
43159910621253474,52738cyclictest0-21swapper11:18:440
43159910618753459,52728cyclictest0-21swapper09:00:450
43159910616253444,52718cyclictest0-21swapper08:36:180
43159910616153452,52709cyclictest0-21swapper07:24:570
43159910615253430,52722cyclictest0-21swapper08:57:240
43159910615253399,52753cyclictest0-21swapper08:41:190
43159910614253429,52713cyclictest0-21swapper08:48:210
43159910609252994,53096cyclictest0-21swapper10:40:030
43159910608153016,53063cyclictest0-21swapper08:01:580
43159910598253412,52537cyclictest0-21swapper10:48:050
43159910581553370,52442cyclictest0-21swapper07:51:040
43159910563052937,52691cyclictest28386-21ssh10:52:470
43159910528553055,52227cyclictest14795-21taskset10:33:110
43159910516353055,52106cyclictest0-21swapper10:12:550
43159910513152987,52142cyclictest24540-21ssh11:34:590
43159910512652977,52149cyclictest0-21swapper12:05:480
43159910512353013,52105cyclictest0-21swapper09:56:110
43159910507052948,52119cyclictest10-21rcuc/009:29:130
43159910502552927,52096cyclictest0-21swapper08:20:130
43159910502352927,52094cyclictest0-21swapper08:26:250
4315995367425,53557cyclictest9911-21rm11:12:530
4315995362127,53501cyclictest0-21swapper09:06:260
4315995345424,53430cyclictest0-21swapper09:18:500
4315995339125,298cyclictest0-21swapper10:55:180
4315995330826,53188cyclictest0-21swapper07:19:050
4315995312926,0cyclictest0-21swapper08:09:400
4315995310727,53080cyclictest0-21swapper09:40:060
4315995302827,52910cyclictest0-21swapper09:48:380
43159925301099,1307cyclictest22680-21ssh12:18:520
43159924221066,1258cyclictest10119-21ssh09:39:560
4315992214997,1202cyclictest26192-21ssh11:36:090
43159921301050,1014cyclictest5350irq/9-uhci_hcd:11:01:290
43159921121040,1051cyclictest0-21swapper08:10:400
43159921081090,891cyclictest8128-21kworker/u2:211:57:350
43159920821027,935cyclictest0-21swapper10:28:500
43159920661006,1026cyclictest0-21swapper09:31:330
43159920581002,1021cyclictest0-21swapper10:00:320
4315992054995,1023cyclictest11417-21ssh12:01:470
43159920381009,964cyclictest3950irq/9-acpi08:50:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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