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2026-04-20 - 20:37
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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 Mon Apr 20, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
96789910723153478,53662cyclictest9-21ksoftirqd/012:13:270
96789910692253435,53421cyclictest134850irq/9-eth010:00:290
96789910658353461,53122cyclictest0-21swapper08:09:170
96789910656253455,53107cyclictest0-21swapper12:27:410
96789910654753455,53092cyclictest0-21swapper09:33:310
96789910654153386,53090cyclictest0-21swapper11:06:380
96789910649453442,53052cyclictest0-21swapper07:48:210
96789910648953466,53023cyclictest0-21swapper08:41:260
96789910647753400,53077cyclictest0-21swapper11:36:070
96789910647653404,53072cyclictest0-21swapper10:07:310
96789910646153445,53016cyclictest0-21swapper11:02:470
96789910644453400,53044cyclictest0-21swapper12:07:360
96789910643953441,52998cyclictest0-21swapper09:56:280
96789910643853441,52997cyclictest0-21swapper10:31:180
96789910642153433,52988cyclictest0-21swapper11:18:210
96789910640853430,52978cyclictest0-21swapper10:37:100
96789910621953459,52760cyclictest0-21swapper07:35:270
96789910621753471,52746cyclictest0-21swapper09:06:230
96789910618853460,52728cyclictest0-21swapper07:22:440
96789910617653455,52721cyclictest0-21swapper08:31:330
96789910617653412,52764cyclictest0-21swapper09:01:020
96789910615153464,52687cyclictest0-21swapper08:22:210
96789910613653436,52700cyclictest0-21swapper07:59:240
96789910607053007,53061cyclictest0-21swapper11:12:200
96789910599952912,53086cyclictest0-21swapper12:38:450
96789910595153327,52624cyclictest0-21swapper08:02:250
96789910545653179,52277cyclictest0-21swapper09:21:180
96789910499552939,52054cyclictest0-21swapper10:10:520
9678995363825,479cyclictest0-21swapper10:23:360
9678995352824,53504cyclictest0-21swapper07:27:250
9678995325927,0cyclictest0-21swapper08:56:510
9678995319125,53166cyclictest0-21swapper11:29:050
9678995314428,53095cyclictest0-21swapper08:13:280
9678995310326,53077cyclictest0-21swapper08:47:580
9678995305626,53030cyclictest0-21swapper08:35:040
9678995277727,52750cyclictest0-21swapper07:16:520
96789926011099,1502cyclictest0-21swapper10:25:560
96789924961094,1309cyclictest28091-1kworker/u3:210:48:430
96789924481019,1303cyclictest2500-21rm10:53:440
96789924471056,1264cyclictest2099-21runrttasks07:34:470
96789924041091,1246cyclictest134850irq/9-eth009:26:190
96789923121068,1145cyclictest730-21ssh09:18:270
9678992019982,1002cyclictest0-21swapper08:52:090
9678992000968,996cyclictest26624-21ssh10:41:010
96789919961036,866cyclictest0-21swapper12:22:000
96789919961008,955cyclictest0-21swapper07:11:000
96789919691021,927cyclictest0-21swapper10:56:150
96789919501079,777cyclictest0-21swapper11:51:210
96789919491079,776cyclictest0-21swapper09:51:060
96789919421012,895cyclictest0-21swapper12:33:530
96789919211027,857cyclictest13793-21ssh09:36:120
9678991917932,965cyclictest0-21swapper08:29:030
96789919101040,777cyclictest0-21swapper11:31:550
96789919081026,792cyclictest0-21swapper09:13:150
9678991872914,925cyclictest5350irq/9-uhci_hcd:11:56:020
96789918481056,669cyclictest2099-21runrttasks07:53:530
9678991817958,822cyclictest10098-21ssh10:17:440
9678991750869,856cyclictest17670-21ssh12:00:540
96789917191038,681cyclictest0-21swapper12:19:090
9678991551985,533cyclictest134850irq/9-eth009:43:340
96789915241009,448cyclictest0-21swapper11:41:580
96789915221008,450cyclictest0-21swapper08:20:000
9678991508699,806cyclictest0-21swapper09:47:150
96789915001035,373cyclictest0-21swapper11:45:490
96789914851071,414cyclictest0-21swapper07:41:390
96789914501067,383cyclictest0-21swapper11:21:020
9185265137,207sleep00-21swapper07:07:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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