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2026-04-26 - 21:16
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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 Sun Apr 26, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
156009910693753406,53442cyclictest3950irq/9-acpi11:20:110
156009910672353455,53177cyclictest9-21ksoftirqd/011:47:590
156009910658453461,53123cyclictest0-21swapper09:50:050
156009910657553475,53100cyclictest0-21swapper07:43:190
156009910657053433,53072cyclictest0-21swapper07:50:410
156009910655553390,53073cyclictest0-21swapper12:31:320
156009910654453384,53070cyclictest0-21swapper11:13:590
156009910653853412,53033cyclictest0-21swapper09:29:590
156009910651453478,53036cyclictest0-21swapper12:02:530
156009910651053397,53113cyclictest0-21swapper08:45:470
156009910650353400,53103cyclictest0-21swapper09:10:140
156009910648653388,53006cyclictest9-21ksoftirqd/007:33:560
156009910646953457,53012cyclictest0-21swapper09:41:430
156009910645653450,53006cyclictest0-21swapper10:18:430
156009910644753474,52973cyclictest0-21swapper11:55:010
156009910644553439,53006cyclictest0-21swapper12:12:160
156009910641753425,52992cyclictest0-21swapper11:44:280
156009910640053479,52830cyclictest0-21swapper07:23:430
156009910632153462,52824cyclictest0-21swapper11:37:360
156009910623453395,52839cyclictest0-21swapper08:08:160
156009910622353472,52751cyclictest0-21swapper07:27:140
156009910619853430,52768cyclictest0-21swapper07:38:370
156009910617853450,52728cyclictest0-21swapper08:29:420
156009910617753449,52728cyclictest0-21swapper08:43:260
156009910616753403,52764cyclictest0-21swapper10:26:260
156009910614153433,52708cyclictest0-21swapper08:16:080
156009910614053428,52712cyclictest0-21swapper07:19:220
156009910613453430,52704cyclictest0-21swapper08:55:490
156009910613453429,52705cyclictest0-21swapper07:45:390
156009910582853266,52549cyclictest0-21swapper10:47:010
156009910503752901,52134cyclictest0-21swapper10:55:040
15600995401753421,505cyclictest0-21swapper10:21:440
15600995387053408,462cyclictest0-21swapper10:00:480
15600995376118,53617cyclictest16895-21rm09:33:400
15600995373553462,209cyclictest9-21ksoftirqd/008:33:030
15600995364225,53522cyclictest0-21swapper09:38:420
15600995343924,0cyclictest134850irq/9-eth012:39:540
15600995343827,53411cyclictest0-21swapper09:17:160
15600995343753319,105cyclictest0-21swapper11:06:370
15600995342326,53397cyclictest0-21swapper12:24:190
15600995339840,0cyclictest0-21swapper07:14:300
15600995333226,53306cyclictest0-21swapper07:55:520
15600995325628,53162cyclictest5350irq/9-uhci_hcd:09:00:110
15600995273540,52602cyclictest0-21swapper10:54:240
156009946462629,2014cyclictest1741-21hald12:28:110
156009923541054,1174cyclictest23881-21ssh10:31:170
156009923131090,1171cyclictest369-21diskmemload09:24:280
156009923091020,1164cyclictest30732-21ssh12:18:180
156009922611055,1139cyclictest9-21ksoftirqd/010:11:510
156009922591022,1144cyclictest134850irq/9-eth008:52:280
156009922001068,1066cyclictest9-21ksoftirqd/010:36:080
156009921671076,992cyclictest2099-21runrttasks10:40:090
156009920381019,896cyclictest2099-21runrttasks11:26:130
156009919911032,863cyclictest0-21swapper12:06:040
156009919621021,847cyclictest0-21swapper09:55:470
156009919291058,779cyclictest0-21swapper08:03:040
15600991921929,957cyclictest0-21swapper09:48:040
15600991914972,905cyclictest13211-21ssh11:04:260
156009919031034,776cyclictest0-21swapper08:12:370
156009918991039,767cyclictest0-21swapper11:32:040
15600991885960,904cyclictest0-21swapper08:38:540
15600991694966,713cyclictest13098-21kworker/u2:011:16:000
156009916151050,475cyclictest3950irq/9-acpi08:22:000
156009915681008,527cyclictest3950irq/9-acpi10:06:000
156009915341011,431cyclictest0-21swapper09:05:220
156009914541089,365cyclictest0-21swapper11:54:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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