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2026-07-02 - 17:14
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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 Thu Jul 02, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
241619910766153496,54041cyclictest10410-21ssh11:31:410
241619910718553431,53631cyclictest3954-21ssh09:48:510
241619910697853426,53461cyclictest0-21swapper10:15:090
241619910687253419,53363cyclictest24160-21cyclictest08:33:290
241619910668653448,53238cyclictest0-21swapper08:51:340
241619910664453427,53217cyclictest0-21swapper10:52:390
241619910663453416,53174cyclictest5350irq/9-uhci_hcd:11:21:480
241619910663353462,53107cyclictest9-21ksoftirqd/011:19:370
241619910657753393,53184cyclictest0-21swapper12:08:510
241619910651953401,53118cyclictest0-21swapper08:58:570
241619910649653464,53032cyclictest0-21swapper09:38:080
241619910647653455,53021cyclictest0-21swapper11:03:120
241619910646553471,52994cyclictest0-21swapper10:37:050
241619910646253406,53056cyclictest0-21swapper10:01:250
241619910643853435,53003cyclictest0-21swapper10:09:470
241619910626953410,52859cyclictest0-21swapper08:38:110
241619910624953401,52848cyclictest0-21swapper12:26:060
241619910622953481,52748cyclictest0-21swapper08:41:320
241619910616753466,52701cyclictest0-21swapper07:39:540
241619910616653450,52716cyclictest0-21swapper07:52:480
241619910614953398,52751cyclictest0-21swapper09:00:470
241619910613353433,52700cyclictest0-21swapper07:20:280
241619910611753427,52690cyclictest0-21swapper07:11:060
241619910532152991,52328cyclictest8049-21ssh10:40:560
24161995352830,53401cyclictest1489-21ssh10:31:530
24161995350527,438cyclictest0-21swapper11:51:460
24161995350325,439cyclictest0-21swapper10:27:020
24161995329327,53199cyclictest0-21swapper08:14:540
24161995313626,53110cyclictest0-21swapper09:56:130
24161995304626,53020cyclictest0-21swapper08:19:550
24161995299527,52902cyclictest0-21swapper11:44:040
241619924681085,1285cyclictest26432-21ssh09:34:570
241619924631086,1285cyclictest29021-1kworker/0:1H12:35:090
241619924101041,1269cyclictest19900-21ssh12:32:380
241619924091091,1223cyclictest3950irq/9-acpi11:59:190
241619923831060,1227cyclictest134850irq/9-eth010:49:080
241619923341092,1117cyclictest11078-21ssh09:11:400
241619922631084,1052cyclictest21550-21ssh09:26:550
241619922481077,1072cyclictest3918-21munin-node12:10:220
241619921191103,922cyclictest5350irq/9-uhci_hcd:12:03:300
241619921181098,893cyclictest14628-21ssh09:16:520
241619921151050,937cyclictest26531-21ssh11:08:440
241619920981028,945cyclictest11996-21rm12:20:350
241619920951024,1032cyclictest29050-21ssh11:11:450
241619920741028,1012cyclictest0-21swapper11:49:360
241619920251035,869cyclictest0-21swapper09:08:590
241619920001025,853cyclictest0-21swapper07:34:320
241619919401070,777cyclictest495349kworker/u2:007:46:160
24161991921934,950cyclictest26691-21ssh10:21:000
241619918891092,702cyclictest7829-21kworker/0:211:37:320
241619918871072,722cyclictest9-21ksoftirqd/009:20:330
241619916981028,670cyclictest0-21swapper09:50:410
241619916831091,592cyclictest0-21swapper08:07:320
241619916741078,596cyclictest0-21swapper07:25:400
241619916631055,608cyclictest0-21swapper12:16:230
241619916511076,575cyclictest0-21swapper09:43:090
241619916351091,450cyclictest0-21swapper08:22:060
241619916331090,449cyclictest0-21swapper10:57:410
241619916241063,561cyclictest0-21swapper08:25:270
241619916191084,444cyclictest9-21ksoftirqd/008:45:330
241619914841092,392cyclictest0-21swapper07:57:590
241619914831092,391cyclictest0-21swapper07:15:370
241619914631020,375cyclictest0-21swapper08:00:200
241619914581052,406cyclictest0-21swapper11:28:100
241619914391088,351cyclictest0-21swapper07:40:540
241619912901010,260cyclictest3950irq/9-acpi10:10:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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