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2025-07-15 - 12:19
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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 Tue Jul 15, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28939910710453471,53540cyclictest133750irq/9-eth000:03:560
28939910697653429,53454cyclictest0-21swapper00:19:200
28939910689453451,53345cyclictest6505-21ssh23:48:310
28939910658753467,53120cyclictest0-21swapper21:01:330
28939910657353464,53109cyclictest0-21swapper21:19:380
28939910655753386,53079cyclictest9-21ksoftirqd/020:08:380
28939910651353474,53039cyclictest0-21swapper19:14:220
28939910650353412,53091cyclictest0-21swapper23:54:130
28939910647453455,53019cyclictest0-21swapper22:40:320
28939910646453452,53012cyclictest0-21swapper19:20:140
28939910646153407,53054cyclictest0-21swapper00:28:330
28939910644153399,53042cyclictest0-21swapper23:07:490
28939910643953437,53002cyclictest0-21swapper23:56:540
28939910637253479,52830cyclictest3950irq/9-acpi19:36:390
28939910625953453,52806cyclictest0-21swapper20:44:080
28939910622853417,52773cyclictest0-21swapper20:32:250
28939910621353471,52742cyclictest0-21swapper22:51:050
28939910620653454,52752cyclictest0-21swapper22:24:170
28939910619753423,52774cyclictest0-21swapper20:26:130
28939910618353414,52769cyclictest0-21swapper20:46:290
28939910615853443,52715cyclictest0-21swapper21:52:380
28939910614953397,52752cyclictest0-21swapper19:57:450
28939910612953428,52701cyclictest0-21swapper20:01:060
28939910595753338,52619cyclictest0-21swapper00:05:560
28939910593152995,52930cyclictest23229-21ssh21:57:590
28939910517453063,52109cyclictest0-21swapper23:43:500
28939910516852911,52254cyclictest15593-21ssh22:31:290
28939910513953035,52102cyclictest0-21swapper22:09:330
2893995360827,53488cyclictest0-21swapper19:45:410
2893995359626,53478cyclictest0-21swapper21:37:030
2893995341927,53392cyclictest0-21swapper21:48:370
2893995335525,296cyclictest0-21swapper19:51:330
2893995324525,53153cyclictest0-21swapper00:21:110
2893995324125,53123cyclictest0-21swapper00:35:050
2893995323826,0cyclictest0-21swapper21:05:540
2893995316627,0cyclictest0-21swapper20:12:290
2893995310527,53078cyclictest0-21swapper20:19:410
2893995305326,53027cyclictest0-21swapper00:11:280
28939925761030,1546cyclictest0-21swapper22:03:410
28939923851018,1242cyclictest1132-21ssh22:11:530
28939922621084,1054cyclictest12136-21munin-node20:50:200
28939922251086,1046cyclictest133750irq/9-eth021:10:360
28939922181052,1040cyclictest20286-21diskmemload22:27:580
28939920801082,902cyclictest2202-21rm21:29:310
28939920191062,832cyclictest1993-21lldpd19:40:200
2893992002987,981cyclictest133750irq/9-eth022:56:560
2893991968954,993cyclictest0-21swapper20:38:260
2893991966962,967cyclictest30601-21ssh21:23:490
28939919321035,804cyclictest0-21swapper23:29:060
28939919261035,798cyclictest0-21swapper23:12:210
28939919031093,717cyclictest0-21swapper22:37:510
2893991882916,943cyclictest0-21swapper00:32:140
28939918651071,670cyclictest2114-21munin-node23:03:380
2893991834951,847cyclictest0-21swapper23:37:180
28939918151008,712cyclictest0-21swapper22:15:040
28939917231085,638cyclictest0-21swapper23:17:320
28939917181017,609cyclictest2889-21cyclictest19:27:360
28939917041011,601cyclictest2889-21cyclictest22:46:530
28939917001090,610cyclictest0-21swapper23:21:030
28939916471076,571cyclictest0-21swapper19:18:330
28939916221098,456cyclictest0-21swapper21:33:120
28939915971085,448cyclictest2889-21cyclictest19:33:280
28939915291016,513cyclictest0-21swapper20:57:120
28939914281096,332cyclictest0-21swapper21:41:550
28939914081068,340cyclictest0-21swapper23:32:470
28939913961081,315cyclictest0-21swapper20:20:510
745257985,207sleep00-21swapper19:05:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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