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2026-06-30 - 04:05
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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 Tue Jun 30, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
147079910750753461,53925cyclictest11770-21diskmemload23:16:090
147079910681353445,53246cyclictest23585-21ssh22:12:300
147079910671953483,53145cyclictest14657-21kworker/0:221:22:260
147079910666553473,53127cyclictest0-21swapper23:04:550
147079910664253475,53071cyclictest21727-21ssh23:43:160
147079910659453386,53191cyclictest10011-21ssh23:25:310
147079910654853413,53070cyclictest0-21swapper20:27:000
147079910654553386,53094cyclictest0-21swapper23:37:050
147079910652153438,53083cyclictest0-21swapper22:22:330
147079910648753467,53020cyclictest0-21swapper22:54:020
147079910648053457,53023cyclictest0-21swapper23:22:300
147079910646953412,53057cyclictest0-21swapper23:11:470
147079910644653399,53047cyclictest0-21swapper00:17:460
147079910641353431,52982cyclictest0-21swapper21:37:200
147079910622653437,52789cyclictest0-21swapper20:06:440
147079910620653426,52780cyclictest0-21swapper21:06:510
147079910619153460,52731cyclictest0-21swapper19:39:060
147079910616253431,52731cyclictest0-21swapper19:56:410
147079910611653420,52696cyclictest0-21swapper20:14:160
147079910584453263,52581cyclictest0-21swapper00:00:310
147079910583352943,52888cyclictest6356-21ssh21:47:530
147079910538053142,52234cyclictest0-21swapper19:43:570
147079910528452962,52320cyclictest5853-21ssh22:33:560
147079910511453006,52106cyclictest0-21swapper22:08:090
147079910510252991,52106cyclictest0-21swapper21:11:130
14707995370040,0cyclictest547-1kworker/u3:121:31:490
14707995354726,482cyclictest0-21swapper20:59:490
14707995352725,0cyclictest0-21swapper19:48:390
14707995342325,354cyclictest0-21swapper21:57:460
14707995324526,482cyclictest0-21swapper21:02:200
14707995315326,53127cyclictest0-21swapper20:41:340
14707995312826,355cyclictest0-21swapper20:17:070
147079925091089,1295cyclictest11770-21diskmemload22:01:170
147079924981090,1283cyclictest26437-21ssh00:35:420
147079922651073,1065cyclictest9973-21ssh00:12:450
147079922311042,1095cyclictest0-21swapper23:56:300
147079921481036,1074cyclictest17739-21ssh21:17:550
147079921391055,991cyclictest0-21swapper00:24:380
147079921191045,1007cyclictest5350irq/9-uhci_hcd:22:42:290
14707992053999,1019cyclictest0-21swapper22:59:040
14707992053997,1019cyclictest8987-21ssh21:51:040
147079920511076,879cyclictest11770-21diskmemload00:27:490
147079919911033,866cyclictest0-21swapper23:09:070
14707991988944,1030cyclictest0-21swapper21:27:570
14707991968955,976cyclictest26907-21ssh22:17:120
14707991963946,982cyclictest0-21swapper22:38:080
14707991952947,984cyclictest0-21swapper23:31:130
14707991947944,965cyclictest23492-21ssh00:31:500
14707991915921,980cyclictest0-21swapper20:00:220
147079919061025,843cyclictest28278-21ssh23:52:290
147079918781008,778cyclictest9-1ksoftirqd/021:40:110
147079918441000,823cyclictest0-21swapper20:22:390
147079918041082,658cyclictest16670-21ssh22:49:510
14707991707925,746cyclictest2743-21ssh22:29:450
147079916981063,568cyclictest0-21swapper19:28:530
147079916491008,576cyclictest9-21ksoftirqd/019:24:220
147079916431005,570cyclictest0-21swapper20:54:580
147079916201092,462cyclictest0-21swapper20:33:220
147079916021086,453cyclictest9-21ksoftirqd/019:54:410
14707991595788,804cyclictest0-21swapper19:33:040
147079915851070,515cyclictest0-21swapper20:37:130
14707991513733,776cyclictest0-21swapper23:49:080
14707991499683,813cyclictest0-21swapper20:48:160
147079914561092,364cyclictest0-21swapper00:07:030
14707991146599,545cyclictest8694-21hwlatdetect-tra19:11:580
14707991121586,531cyclictest5226-21sshd19:18:400
2973268653,206sleep00-21swapper19:05:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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