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2026-04-25 - 18:57
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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 Sat Apr 25, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
104669910715353388,53674cyclictest9511-21kworker/u2:211:53:160
104669910680753396,53322cyclictest3950irq/9-acpi11:55:560
104669910669753456,53241cyclictest0-21swapper11:36:210
104669910651453475,53039cyclictest0-21swapper11:24:370
104669910651453414,53100cyclictest0-21swapper09:23:230
104669910648953462,53027cyclictest0-21swapper10:01:130
104669910645853407,53051cyclictest0-21swapper12:15:320
104669910645853406,53052cyclictest0-21swapper10:24:500
104669910639453451,52943cyclictest0-21swapper07:20:270
104669910636653386,52916cyclictest3950irq/9-acpi10:36:030
104669910631353410,52903cyclictest0-21swapper09:12:490
104669910625553385,52805cyclictest0-21swapper10:26:510
104669910620353468,52735cyclictest0-21swapper09:07:280
104669910616753429,52738cyclictest0-21swapper12:05:590
104669910615753401,52756cyclictest0-21swapper12:32:570
104669910615553396,52759cyclictest0-21swapper07:13:350
104669910615453437,52717cyclictest0-21swapper12:03:590
104669910615153443,52708cyclictest0-21swapper07:18:570
104669910615153440,52711cyclictest0-21swapper08:12:520
104669910611853423,52695cyclictest0-21swapper08:40:300
104669910606052970,53088cyclictest0-21swapper12:35:380
104669910577953248,52531cyclictest0-21swapper11:15:050
104669910499252905,52085cyclictest0-21swapper10:58:300
10466995329229,53263cyclictest0-21swapper07:37:220
10466995329225,53200cyclictest0-21swapper08:55:040
10466995325427,53227cyclictest0-21swapper08:46:420
10466995323925,0cyclictest0-21swapper07:30:500
10466995317030,53140cyclictest0-21swapper08:53:240
10466995315729,53031cyclictest19536-21ssh09:44:490
10466995312027,53093cyclictest0-21swapper08:09:510
10466995306725,53042cyclictest0-21swapper08:21:150
10466995298252953,28cyclictest0-21swapper10:51:180
10466995294152917,22cyclictest0-21swapper09:18:510
10466995278026,52754cyclictest0-21swapper10:09:260
104669945742619,1952cyclictest2679-21devkit-power-da11:04:120
104669922761094,1089cyclictest31584-21ssh10:49:070
104669922711004,1175cyclictest134850irq/9-eth011:42:020
104669922531086,1069cyclictest2099-21runrttasks10:44:260
104669922381012,1205cyclictest2277-21Xorg08:04:300
104669920651006,1022cyclictest23829-21sh12:10:510
104669920591092,876cyclictest3950irq/9-acpi09:47:090
104669920391024,947cyclictest134850irq/9-eth009:57:420
104669920341076,832cyclictest27018-21ssh11:29:490
104669919461018,802cyclictest2099-21runrttasks07:46:250
104669919291037,800cyclictest0-21swapper08:37:090
104669919141035,784cyclictest5350irq/9-uhci_hcd:11:09:430
104669918991053,726cyclictest0-21swapper09:03:170
10466991877863,989cyclictest29530-21ssh11:32:500
104669918731014,825cyclictest10197-21ssh10:17:280
104669918241016,717cyclictest134850irq/9-eth007:25:590
104669917981060,672cyclictest3950irq/9-acpi09:27:440
104669917741077,628cyclictest134850irq/9-eth010:32:020
104669917601089,671cyclictest0-21swapper11:14:040
104669917531100,653cyclictest0-21swapper07:44:340
104669917411064,582cyclictest0-21swapper09:33:450
104669917241056,603cyclictest18014-21kworker/0:009:51:100
104669916961026,578cyclictest10-21rcuc/012:26:350
104669916811092,589cyclictest0-21swapper08:33:180
104669916681088,580cyclictest0-21swapper07:58:380
104669916441009,568cyclictest0-21swapper10:13:070
10466991610799,808cyclictest0-21swapper09:35:260
104669916021055,547cyclictest0-21swapper07:51:460
104669915841079,439cyclictest9-21ksoftirqd/011:48:140
104669915621037,525cyclictest0-21swapper08:29:470
104669914571091,366cyclictest0-21swapper08:16:130
104669914501000,414cyclictest31517-21ssh12:22:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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