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2026-04-08 - 19:10
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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 376 highest latencies:
System rack6slot6 (updated Wed Apr 08, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
314359910760853417,54099cyclictest0-21swapper11:56:050
314359910720153452,53657cyclictest9-21ksoftirqd/007:32:590
314359910709153421,53577cyclictest0-21swapper08:13:000
314359910692753405,53400cyclictest11572-21ssh11:25:360
314359910683853400,53438cyclictest0-21swapper09:26:320
314359910675653479,53277cyclictest0-21swapper09:19:500
314359910669653428,53176cyclictest0-21swapper07:47:230
314359910668253476,53156cyclictest32095-21rm11:09:110
314359910656653459,53107cyclictest0-21swapper07:35:200
314359910654753417,53039cyclictest0-21swapper10:05:430
314359910650853474,53034cyclictest0-21swapper10:23:280
314359910649753470,53027cyclictest0-21swapper12:07:080
314359910648253461,53021cyclictest0-21swapper10:11:240
314359910647453459,53015cyclictest0-21swapper08:21:330
314359910645553401,53054cyclictest0-21swapper11:45:520
314359910641753428,52989cyclictest0-21swapper08:49:210
314359910641153422,52989cyclictest0-21swapper09:03:250
314359910629853388,52818cyclictest0-21swapper09:54:100
314359910626853374,52804cyclictest9-21ksoftirqd/007:26:070
314359910621253472,52740cyclictest0-21swapper07:55:550
314359910620653467,52739cyclictest0-21swapper08:57:530
314359910619853462,52736cyclictest0-21swapper08:52:420
314359910618653414,52772cyclictest0-21swapper07:22:060
314359910616353448,52715cyclictest0-21swapper11:35:490
314359910613953434,52705cyclictest0-21swapper09:08:260
314359910612853431,52697cyclictest0-21swapper07:54:450
314359910607053259,52796cyclictest8959-21ssh10:35:010
314359910551753123,52391cyclictest3451-21ssh09:38:050
314359910519453075,52113cyclictest0-21swapper09:43:470
31435995386053395,465cyclictest0-21swapper08:09:490
31435995385226,53732cyclictest0-21swapper08:40:280
31435995379953467,332cyclictest0-21swapper11:23:250
31435995362426,53476cyclictest0-21swapper10:26:590
31435995353427,0cyclictest0-21swapper09:55:500
31435995352853376,152cyclictest0-21swapper09:30:530
31435995334527,53318cyclictest0-21swapper07:17:140
31435995311325,53047cyclictest0-21swapper08:04:380
31435995310526,53079cyclictest0-21swapper10:19:070
31435995292152898,21cyclictest0-21swapper12:21:520
31435995277024,52746cyclictest0-21swapper08:34:270
314359946982752,1943cyclictest2679-21devkit-power-da12:30:350
314359925001058,1442cyclictest23135-21ssh11:44:110
314359924311096,1237cyclictest6987-21ssh10:30:500
314359923101093,1165cyclictest10932-21ssh12:14:200
314359922991070,1106cyclictest0-21swapper07:44:220
314359922831075,1185cyclictest24818-1kworker/u3:111:31:070
314359922021066,1136cyclictest0-21swapper08:37:570
314359921731024,1051cyclictest0-21swapper09:13:580
314359921481090,959cyclictest16415-21diskmemload11:19:540
314359921141097,914cyclictest17884-21munin-node10:00:210
314359920431091,883cyclictest134850irq/9-eth010:44:440
314359920401067,973cyclictest0-21swapper11:01:090
314359920111029,860cyclictest0-21swapper08:25:540
31435991988978,976cyclictest0-21swapper09:24:010
314359919871023,929cyclictest3950irq/9-acpi10:46:450
314359919791030,914cyclictest0-21swapper10:58:280
314359919631089,811cyclictest5350irq/9-uhci_hcd:09:46:370
31435991956929,1006cyclictest0-21swapper12:00:460
31435991945937,974cyclictest0-21swapper12:35:460
31435991777916,841cyclictest14890-21kworker/u2:010:54:370
314359916731085,496cyclictest31420-21cyclictest07:11:530
314359916611102,514cyclictest31420-21cyclictest12:18:510
314359915111047,464cyclictest0-21swapper11:13:320
31435991460991,405cyclictest0-21swapper08:19:420
314359914471090,357cyclictest0-21swapper11:53:540
3143599136032,1201cyclictest2099-21runrttasks12:27:040
31163254680,211sleep00-21swapper07:09:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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