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2026-01-03 - 18:42
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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 792 highest latencies:
System rack6slot6 (updated Sat Jan 03, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
50329910723053437,53728cyclictest195112sleep011:21:270
50329910707853449,53533cyclictest1907-21snmpd08:12:120
50329910662653373,53162cyclictest3950irq/9-acpi09:34:460
50329910654253386,53091cyclictest0-21swapper11:59:080
50329910647153461,53010cyclictest0-21swapper07:12:350
50329910646953473,52996cyclictest0-21swapper12:20:540
50329910645753447,53010cyclictest0-21swapper08:37:000
50329910644453423,53021cyclictest0-21swapper07:15:060
50329910641553427,52988cyclictest0-21swapper09:12:000
50329910629753420,52812cyclictest0-21swapper09:28:140
50329910628453415,52805cyclictest9-21ksoftirqd/007:48:260
50329910621853471,52747cyclictest0-21swapper09:19:020
50329910621353473,52740cyclictest0-21swapper07:53:570
50329910621353439,52774cyclictest0-21swapper10:10:060
50329910621253467,52745cyclictest0-21swapper07:29:300
50329910618953457,52732cyclictest0-21swapper07:35:320
50329910618753457,52730cyclictest0-21swapper08:20:350
50329910615453065,53087cyclictest0-21swapper11:29:390
50329910614553440,52705cyclictest0-21swapper08:05:300
50329910613253430,52702cyclictest0-21swapper12:31:370
50329910612053036,53082cyclictest0-21swapper12:04:290
50329910611252999,53111cyclictest0-21swapper10:03:240
50329910606653019,53045cyclictest0-21swapper12:18:130
50329910601652940,53074cyclictest0-21swapper10:30:520
50329910599752988,53006cyclictest24905-21ssh09:58:430
50329910539553164,52229cyclictest0-21swapper10:18:390
50329910530453041,52253cyclictest0-21swapper09:49:300
50329910518353005,52176cyclictest31209-21ssh10:07:050
50329910516753053,52112cyclictest0-21swapper09:42:180
50329910513953052,52085cyclictest0-21swapper11:37:110
50329910512753028,52094cyclictest0-21swapper10:43:460
50329910512553023,52100cyclictest0-21swapper11:41:530
50329910509853009,52087cyclictest0-21swapper11:49:050
50329910509752990,52105cyclictest0-21swapper11:08:130
50329910507752986,52085cyclictest0-21swapper12:10:310
50329910505352947,52105cyclictest0-21swapper10:54:490
50329910504952950,52094cyclictest0-21swapper11:53:160
50329910504852953,52090cyclictest0-21swapper12:28:560
50329910501152911,52098cyclictest0-21swapper10:45:270
50329910500652907,52097cyclictest0-21swapper11:02:210
50329910498052926,52052cyclictest0-21swapper07:21:180
5032995336227,53335cyclictest0-21swapper10:35:540
5032995332826,53208cyclictest0-21swapper07:59:090
5032995312126,53095cyclictest0-21swapper07:34:110
5032995311815,53103cyclictest0-21swapper11:30:500
5032995307227,52952cyclictest0-21swapper08:55:350
5032995284427,52817cyclictest0-21swapper08:17:040
5032995278826,52762cyclictest0-21swapper09:07:280
5032995278125,52756cyclictest0-21swapper07:42:040
50329923501031,1227cyclictest134850irq/9-eth008:30:070
50329920691023,1011cyclictest0-21swapper12:35:580
50329920401000,1019cyclictest0-21swapper09:01:470
50329920001038,895cyclictest0-21swapper10:26:410
5032991960954,991cyclictest9722-21ssh09:36:470
50329919511020,833cyclictest2099-21runrttasks08:48:330
50329919171045,780cyclictest0-21swapper08:03:500
50329919121039,781cyclictest0-21swapper09:54:020
5032991908968,906cyclictest0-21swapper11:14:050
50329918981032,775cyclictest0-21swapper08:42:110
5032991644897,723cyclictest2119-21ssh10:57:200
50329916361061,480cyclictest2099-21runrttasks08:26:160
50329915231008,421cyclictest0-21swapper08:50:530
50329914991008,426cyclictest0-21swapper12:06:100
50329914261076,350cyclictest0-21swapper09:24:230
50329914251077,348cyclictest0-21swapper11:18:160
50329913611044,317cyclictest0-21swapper10:23:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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