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2026-06-20 - 02:40
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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 all highest latencies:
System rack6slot6 (updated Sat Jun 20, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
75859910686653382,53421cyclictest9-21ksoftirqd/022:08:090
75859910684953478,53248cyclictest3261-21gnome-power-man21:14:040
75859910672753473,53254cyclictest0-21swapper20:32:020
75859910671753445,53175cyclictest121782sleep023:13:180
75859910671453456,53169cyclictest7578-21cyclictest21:08:320
75859910655653424,53065cyclictest0-21swapper20:41:140
75859910654553403,53142cyclictest0-21swapper19:52:000
75859910650153401,53100cyclictest0-21swapper20:14:570
75859910647753478,52999cyclictest0-21swapper22:47:410
75859910647553455,53020cyclictest0-21swapper22:23:240
75859910646853473,52995cyclictest0-21swapper21:17:550
75859910645653449,53007cyclictest0-21swapper22:31:060
75859910645653406,53050cyclictest0-21swapper22:55:430
75859910644253400,53042cyclictest0-21swapper00:18:170
75859910644153441,53000cyclictest0-21swapper21:39:310
75859910643853462,52878cyclictest2272-21munin-node19:39:270
75859910642153428,52993cyclictest0-21swapper22:53:120
75859910639553422,52909cyclictest9-21ksoftirqd/020:02:330
75859910627153411,52860cyclictest0-21swapper19:46:590
75859910625953449,52810cyclictest0-21swapper20:59:500
75859910621953473,52746cyclictest0-21swapper20:15:470
75859910620653438,52768cyclictest0-21swapper20:21:190
75859910619153418,52773cyclictest0-21swapper21:29:580
75859910618253460,52722cyclictest0-21swapper19:17:200
75859910617853452,52726cyclictest0-21swapper00:22:280
75859910616953404,52765cyclictest0-21swapper19:40:570
75859910616553405,52760cyclictest0-21swapper20:35:430
75859910616553404,52761cyclictest0-21swapper22:28:550
75859910615753402,52755cyclictest0-21swapper21:54:460
75859910615053398,52752cyclictest0-21swapper20:05:540
75859910614653439,52707cyclictest0-21swapper19:24:220
75859910578653272,52514cyclictest0-21swapper23:38:350
75859910551652956,52558cyclictest28490-21ssh22:01:380
75859910532353038,52282cyclictest6791-21runrttasks23:53:000
75859910518653076,52108cyclictest0-21swapper23:58:110
75859910503152929,52100cyclictest0-21swapper23:17:390
75859910497352885,52086cyclictest0-21swapper23:33:440
7585995356224,462cyclictest0-21swapper23:29:030
7585995340726,0cyclictest0-21swapper20:54:580
7585995338725,53362cyclictest0-21swapper21:20:460
7585995337326,53347cyclictest0-21swapper00:39:330
7585995326526,53144cyclictest0-21swapper19:59:320
7585995323626,0cyclictest0-21swapper19:25:430
7585995315525,53130cyclictest0-21swapper19:33:050
7585995306825,53043cyclictest0-21swapper00:30:200
7585995305524,53031cyclictest0-21swapper20:28:510
7585995305027,53023cyclictest0-21swapper19:14:290
7585995304425,53019cyclictest0-21swapper21:47:330
75859924591086,1280cyclictest9-21ksoftirqd/023:44:270
75859923891011,1254cyclictest13142-21ssh00:02:020
75859923781097,1183cyclictest20775-21ssh00:13:560
75859923631089,1175cyclictest23955-21ssh22:42:590
75859922791070,1083cyclictest8480-21ssh23:07:360
75859922691023,1179cyclictest9-21ksoftirqd/021:57:260
75859922361062,1080cyclictest9-21ksoftirqd/023:01:550
7585992136997,1046cyclictest6556-21rm22:17:020
75859921211013,1070cyclictest3202-21ssh22:12:100
7585992111994,1084cyclictest5690-1kworker/u3:100:29:100
7585992058970,1042cyclictest9356-21ssh21:34:300
7585992051999,1018cyclictest0-21swapper23:21:300
7585992029957,1030cyclictest3771-21ssh23:48:480
7585991958948,976cyclictest0-21swapper00:06:030
75859919581024,837cyclictest2099-21runrttasks21:00:500
7585991957927,995cyclictest20833-21ssh22:38:380
75859919451074,781cyclictest0-21swapper20:45:460
75859914371086,351cyclictest0-21swapper21:42:120
7289271336,209sleep00-21swapper19:08:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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