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2026-09-04 - 11:23
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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 Fri Sep 04, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
110429910702953474,53459cyclictest7851-21diskmemload23:26:480
110429910691253466,53355cyclictest73512sleep019:50:160
110429910688653384,53413cyclictest25347-21ssh22:22:400
110429910681653413,53403cyclictest0-21swapper23:22:070
110429910668253377,53210cyclictest2099-21runrttasks20:00:290
110429910665153405,53157cyclictest11028-21cyclictest21:58:030
110429910662653383,53152cyclictest0-21swapper20:44:520
110429910660553475,53130cyclictest0-21swapper22:09:460
110429910660453476,53128cyclictest0-21swapper00:22:440
110429910656653417,53149cyclictest0-21swapper00:00:080
110429910655053484,52944cyclictest19494-21ssh21:25:430
110429910652053435,53085cyclictest0-21swapper20:57:050
110429910651853478,53040cyclictest0-21swapper22:16:280
110429910650553475,53030cyclictest0-21swapper22:01:240
110429910648953463,53026cyclictest0-21swapper22:42:050
110429910647553458,53017cyclictest0-21swapper22:48:170
110429910645853452,53006cyclictest0-21swapper22:50:580
110429910644453396,53048cyclictest0-21swapper19:57:280
110429910643653398,53038cyclictest0-21swapper22:30:020
110429910642953392,53037cyclictest0-21swapper21:53:010
110429910642353433,52990cyclictest0-21swapper23:58:170
110429910640853422,52986cyclictest0-21swapper20:45:320
110429910640753426,52981cyclictest0-21swapper23:16:550
110429910622153475,52746cyclictest0-21swapper19:39:530
110429910620853399,52809cyclictest0-21swapper20:17:540
110429910620453465,52739cyclictest0-21swapper20:50:030
110429910618853460,52728cyclictest0-21swapper21:06:580
110429910616653445,52721cyclictest0-21swapper21:10:290
110429910616553449,52716cyclictest0-21swapper19:32:110
110429910615653400,52756cyclictest0-21swapper20:08:510
110429910614953397,52752cyclictest0-21swapper23:47:540
110429910505552955,52098cyclictest0-21swapper00:35:280
11042995393053467,463cyclictest0-21swapper23:11:140
11042995392253458,464cyclictest0-21swapper23:09:130
11042995390453466,438cyclictest0-21swapper20:24:560
11042995386653426,440cyclictest0-21swapper22:13:170
11042995385053386,464cyclictest0-21swapper19:21:280
11042995362053471,149cyclictest0-21swapper20:34:590
11042995356553391,174cyclictest0-21swapper19:44:440
11042995355126,0cyclictest0-21swapper23:52:360
11042995348729,377cyclictest0-21swapper21:44:590
11042995316524,53141cyclictest0-21swapper19:46:550
11042995316125,383cyclictest0-21swapper20:12:320
11042995314426,53118cyclictest0-21swapper00:30:470
11042995302925,52912cyclictest0-21swapper20:27:370
11042995302652983,41cyclictest0-21swapper21:17:210
110429923551083,1148cyclictest17306-21ssh21:23:230
110429922361086,1084cyclictest3950irq/9-acpi21:30:550
110429920241085,939cyclictest0-21swapper21:49:000
110429919711104,742cyclictest3720-21runrttasks22:38:440
11042991931948,969cyclictest0-21swapper00:29:260
11042991917930,953cyclictest0-21swapper23:43:430
11042991895936,945cyclictest0-21swapper00:05:500
110429918671087,714cyclictest19332-21ssh23:00:510
11042991850882,944cyclictest0-21swapper22:55:590
11042991756945,786cyclictest2099-21runrttasks00:15:520
110429917481024,687cyclictest28281-21ssh22:26:410
110429917431091,652cyclictest0-21swapper21:36:470
110429917311088,643cyclictest0-21swapper21:04:170
110429916391077,468cyclictest0-21swapper19:28:200
110429915921049,451cyclictest9-21ksoftirqd/020:39:200
110429915351015,483cyclictest3482-21ssh00:13:420
11042991514927,563cyclictest6011-21ssh23:30:090
110429914411026,415cyclictest0-21swapper23:37:110
11042991048617,427cyclictest4990-21wc19:16:260
11042991045616,426cyclictest14045-21munin-node19:10:140
125542840,2sleep012553-21wc19:08:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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