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2025-09-14 - 03:27
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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 Sun Sep 14, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
216269910703053411,53524cyclictest28918-21ssh23:59:020
216269910676953415,53264cyclictest0-21swapper00:30:520
216269910669553427,53173cyclictest6595-21diskmemload23:38:170
216269910662453412,53119cyclictest0-21swapper21:57:580
216269910654753387,53095cyclictest0-21swapper22:07:500
216269910651453404,53042cyclictest0-21swapper00:04:340
216269910647653454,53022cyclictest0-21swapper23:45:590
216269910647353467,53006cyclictest0-21swapper20:24:410
216269910647253469,53003cyclictest0-21swapper19:45:090
216269910646653423,52947cyclictest16956-21diskmemload00:27:310
216269910645753405,53052cyclictest0-21swapper21:19:470
216269910645453403,53051cyclictest0-21swapper20:50:080
216269910644953443,53006cyclictest0-21swapper22:58:550
216269910641953426,52993cyclictest0-21swapper21:32:200
216269910641153428,52983cyclictest0-21swapper23:44:380
216269910636253465,52897cyclictest0-21swapper23:50:100
216269910633153471,52742cyclictest0-21swapper21:04:120
216269910629753412,52819cyclictest0-21swapper20:49:180
216269910627953383,52804cyclictest0-21swapper20:42:360
216269910625953473,52786cyclictest0-21swapper20:59:110
216269910625453385,52805cyclictest0-21swapper20:07:160
216269910620953472,52737cyclictest0-21swapper20:33:530
216269910620953433,52776cyclictest0-21swapper21:52:360
216269910619653465,52731cyclictest0-21swapper19:58:330
216269910618953457,52732cyclictest0-21swapper21:20:570
216269910616453403,52761cyclictest0-21swapper22:41:000
216269910615453440,52714cyclictest0-21swapper19:13:300
216269910535852938,52417cyclictest6778-21munin-node21:10:240
216269910514753035,52110cyclictest0-21swapper21:36:110
216269910504152943,52096cyclictest0-21swapper21:44:140
21626995356026,0cyclictest0-21swapper23:10:590
21626995337440,0cyclictest0-21swapper19:15:410
21626995330426,0cyclictest0-21swapper22:03:590
21626995326326,53144cyclictest0-21swapper20:39:250
21626995323627,0cyclictest61402sleep023:25:330
21626995288236,52754cyclictest0-21swapper22:54:240
216269925391097,1442cyclictest0-21swapper21:28:590
216269922291051,1083cyclictest0-21swapper00:20:490
216269921731096,980cyclictest6595-21diskmemload00:36:130
216269920901042,1027cyclictest0-21swapper21:05:530
216269920591001,1024cyclictest0-21swapper19:25:240
216269920431018,1004cyclictest0-21swapper22:46:420
216269920271029,961cyclictest29488-21ssh22:27:260
21626992017979,1003cyclictest0-21swapper00:09:350
216269919931028,930cyclictest0-21swapper22:11:520
216269919821034,856cyclictest0-21swapper19:20:220
216269919501019,897cyclictest0-21swapper20:19:090
21626991935987,910cyclictest2103-21runrttasks22:16:230
216269919271075,852cyclictest0-21swapper20:04:050
216269919231054,776cyclictest0-21swapper19:40:580
216269919191045,782cyclictest0-21swapper22:22:350
21626991891954,903cyclictest0-21swapper19:30:050
216269918411098,620cyclictest6595-21diskmemload21:48:250
21626991833943,855cyclictest0-21swapper23:17:000
21626991817922,858cyclictest3832-21ssh23:23:020
216269917651077,596cyclictest9-21ksoftirqd/023:01:460
216269917601023,646cyclictest21607-21cyclictest20:12:370
216269917311092,639cyclictest0-21swapper22:38:090
216269916691043,533cyclictest9-21ksoftirqd/023:08:380
216269916471078,505cyclictest9-21ksoftirqd/019:37:470
216269916251076,457cyclictest0-21swapper00:10:560
216269916251024,568cyclictest28352-21kworker/u2:022:31:570
216269915251029,430cyclictest0-21swapper20:26:010
216269915211027,430cyclictest0-21swapper19:53:220
216269914651096,369cyclictest0-21swapper23:32:150
216269913871007,343cyclictest6595-21diskmemload00:19:080
21415255084,206sleep00-21swapper19:09:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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