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2026-04-14 - 16:56
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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 Tue Apr 14, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
201939910728253456,53735cyclictest134850irq/9-eth010:50:250
201939910679753468,53233cyclictest5155-21diskmemload10:07:520
201939910677253442,53266cyclictest9-21ksoftirqd/010:41:520
201939910669053395,53202cyclictest0-21swapper10:12:340
201939910667253472,53200cyclictest0-21swapper12:34:140
201939910660953480,53037cyclictest0-21swapper09:13:070
201939910658553392,53098cyclictest0-21swapper11:53:330
201939910651653411,53105cyclictest0-21swapper07:25:460
201939910651453475,53039cyclictest0-21swapper09:21:390
201939910649153472,53019cyclictest0-21swapper10:39:520
201939910648953468,53021cyclictest0-21swapper12:26:020
201939910648853468,53020cyclictest0-21swapper08:27:330
201939910647253412,53060cyclictest0-21swapper09:07:450
201939910645453404,53050cyclictest0-21swapper07:34:080
201939910644753402,53045cyclictest0-21swapper10:57:570
201939910643053432,52998cyclictest0-21swapper10:25:580
201939910640853421,52987cyclictest0-21swapper12:19:400
201939910636953467,52902cyclictest0-21swapper10:31:290
201939910630353454,52752cyclictest2099-21runrttasks08:30:340
201939910629453406,52824cyclictest10-21rcuc/007:15:530
201939910621553474,52741cyclictest0-21swapper08:44:480
201939910619153457,52734cyclictest0-21swapper08:46:090
201939910618653424,52762cyclictest0-21swapper08:35:060
201939910618553456,52729cyclictest0-21swapper08:53:510
201939910618053413,52767cyclictest0-21swapper07:21:550
201939910617453455,52719cyclictest0-21swapper08:10:590
201939910616553429,52736cyclictest0-21swapper10:46:330
201939910616253402,52760cyclictest0-21swapper08:04:470
201939910554853029,52516cyclictest29653-21ssh12:06:470
201939910517153061,52108cyclictest0-21swapper09:37:130
201939910504952918,52129cyclictest0-21swapper11:41:290
20193995425153445,715cyclictest0-21swapper09:59:200
20193995406253440,531cyclictest0-21swapper11:18:130
20193995374627,53626cyclictest0-21swapper10:18:350
20193995373425,53616cyclictest10395-21rm10:04:210
20193995368927,198cyclictest0-21swapper09:27:410
20193995347526,0cyclictest0-21swapper08:08:480
20193995347353371,40cyclictest29333-21kworker/0:107:43:510
20193995347227,53445cyclictest0-21swapper08:18:310
20193995340338,53300cyclictest3950irq/9-acpi12:23:410
20193995320025,254cyclictest0-21swapper07:51:330
20193995307024,53046cyclictest0-21swapper11:12:410
20193995304027,0cyclictest3950irq/9-acpi09:18:380
20193995277024,52746cyclictest0-21swapper11:00:070
201939924551095,1259cyclictest6400-21ssh11:32:070
201939922801000,1128cyclictest26074-21rm12:01:150
201939921491062,960cyclictest2099-21runrttasks08:21:220
201939920841037,1027cyclictest0-21swapper07:59:550
20193992082991,1056cyclictest23244-21ssh10:21:360
201939920481018,995cyclictest0-21swapper11:36:380
201939920161016,964cyclictest16891-21ssh11:48:110
201939920061024,948cyclictest0-21swapper11:29:460
201939919931032,868cyclictest0-21swapper08:55:110
201939919571015,921cyclictest0-21swapper07:35:280
20193991943934,974cyclictest0-21swapper11:08:300
201939918861048,747cyclictest20192-21cyclictest09:45:360
201939918631009,730cyclictest18329-21ssh12:38:460
20193991819853,943cyclictest0-21swapper12:12:480
201939918141081,636cyclictest27455-21ssh09:41:450
20193991775921,834cyclictest0-21swapper07:12:320
201939916971027,670cyclictest0-21swapper09:51:280
201939916211100,398cyclictest5155-21diskmemload11:21:130
201939915741007,503cyclictest9-21ksoftirqd/009:00:530
20193991556748,805cyclictest0-21swapper09:32:220
201939915211065,343cyclictest0-21swapper07:46:320
201939914981011,423cyclictest0-21swapper11:59:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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