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2026-04-13 - 20:15
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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 50 highest latencies:
System rack6slot6 (updated Mon Apr 13, 2026 12:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
260229910732353393,53835cyclictest6686-21ssh10:38:460
260229910720453379,53761cyclictest55082sleep007:37:140
260229910706953400,53548cyclictest16687-21ssh12:29:380
260229910702553408,53525cyclictest0-21swapper08:27:490
260229910690853413,53495cyclictest0-21swapper07:31:020
260229910687353443,53365cyclictest9-21ksoftirqd/009:36:180
260229910669853425,53210cyclictest3950irq/9-acpi09:48:120
260229910665253463,53189cyclictest0-21swapper11:08:250
260229910663153458,53173cyclictest0-21swapper12:01:400
260229910662953429,53183cyclictest18944-21ssh10:56:010
260229910662453454,53170cyclictest0-21swapper08:57:570
260229910656353426,53137cyclictest0-21swapper07:11:470
260229910655553418,53137cyclictest0-21swapper10:17:100
260229910655253418,53134cyclictest0-21swapper12:14:140
260229910655253389,53095cyclictest0-21swapper11:04:340
260229910654353386,53092cyclictest0-21swapper11:51:170
260229910652053403,53117cyclictest0-21swapper10:13:590
260229910650853459,53049cyclictest0-21swapper11:17:480
260229910648253402,53080cyclictest0-21swapper10:49:500
260229910647653416,53060cyclictest0-21swapper12:05:310
260229910646853411,53057cyclictest0-21swapper10:52:300
260229910645453406,53048cyclictest0-21swapper11:39:140
260229910644653459,52987cyclictest0-21swapper10:07:370
260229910644353441,53002cyclictest0-21swapper12:16:450
260229910641753425,52992cyclictest0-21swapper10:21:520
260229910641553429,52986cyclictest0-21swapper10:28:540
260229910633353490,52777cyclictest3950irq/9-acpi11:30:010
260229910633153395,52872cyclictest9-21ksoftirqd/007:24:510
260229910630853470,52838cyclictest0-21swapper08:11:040
260229910625753450,52807cyclictest0-21swapper08:47:140
260229910624253408,52834cyclictest0-21swapper08:44:540
260229910622253473,52749cyclictest0-21swapper08:16:150
260229910620053463,52737cyclictest0-21swapper09:56:240
260229910618753457,52730cyclictest0-21swapper07:52:080
260229910618153414,52767cyclictest0-21swapper09:19:130
260229910617053447,52723cyclictest0-21swapper08:05:320
260229910616153446,52715cyclictest0-21swapper07:44:260
260229910614753458,52597cyclictest0-21swapper08:35:510
260229910608753417,52670cyclictest0-21swapper08:52:360
260229910608152981,53098cyclictest0-21swapper12:30:080
260229910599553347,52648cyclictest0-21swapper09:27:060
260229910510753006,52096cyclictest0-21swapper11:21:490
260229910505952946,52111cyclictest0-21swapper09:11:110
26022995406026,53941cyclictest0-21swapper09:53:030
26022995397053378,526cyclictest0-21swapper10:40:070
26022995355253412,140cyclictest0-21swapper11:47:460
26022995346853421,47cyclictest0-21swapper07:27:310
26022995346327,53344cyclictest0-21swapper12:39:510
26022995315626,53130cyclictest0-21swapper09:03:190
26022995307725,52961cyclictest0-21swapper11:27:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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