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2026-01-05 - 08:58
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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 Mon Jan 05, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
126979910685653462,53301cyclictest9-21ksoftirqd/021:32:480
126979910681853459,53293cyclictest0-21swapper21:20:540
126979910670653468,53238cyclictest0-21swapper00:21:560
126979910670253475,53138cyclictest9-21ksoftirqd/021:11:520
126979910665453385,53269cyclictest0-21swapper20:05:430
126979910664653476,53106cyclictest9-21ksoftirqd/022:21:420
126979910658553409,53176cyclictest0-21swapper23:00:130
126979910658353426,53066cyclictest0-21swapper20:18:060
126979910654353387,53156cyclictest0-21swapper20:26:490
126979910652153474,53047cyclictest0-21swapper21:05:400
126979910650753471,53036cyclictest0-21swapper22:18:410
126979910646353450,53013cyclictest0-21swapper23:17:580
126979910646053406,53054cyclictest0-21swapper22:59:230
126979910645753444,53013cyclictest0-21swapper00:37:510
126979910639053452,52938cyclictest0-21swapper22:04:070
126979910637953471,52844cyclictest9-21ksoftirqd/020:58:280
126979910637553429,52946cyclictest0-21swapper20:51:360
126979910621653474,52742cyclictest0-21swapper22:43:180
126979910619253449,52743cyclictest0-21swapper20:41:330
126979910616453448,52716cyclictest0-21swapper19:44:060
126979910616453445,52719cyclictest0-21swapper20:30:500
126979910613953391,52748cyclictest0-21swapper20:47:250
126979910561453040,52572cyclictest1485-21ssh23:21:590
126979910548152970,52505cyclictest12013-21ssh23:37:040
12697995372528,53697cyclictest0-21swapper00:15:550
12697995353525,0cyclictest26296-21ssh21:35:390
12697995332226,53229cyclictest0-21swapper19:55:000
12697995328427,53257cyclictest0-21swapper21:03:190
12697995318629,53065cyclictest0-21swapper19:35:440
12697995316626,0cyclictest0-21swapper20:36:210
12697995299124,52967cyclictest0-21swapper00:10:530
12697995295950,52846cyclictest3950irq/9-acpi21:57:150
12697995278926,52763cyclictest0-21swapper23:29:210
126979924171054,1238cyclictest26557-21ssh23:58:500
126979922841087,1104cyclictest0-21swapper21:15:530
126979922721097,1075cyclictest7751-21diskmemload23:45:060
126979922701065,1080cyclictest16238-21ssh23:43:450
126979922541056,1105cyclictest0-21swapper00:05:320
126979922401064,1077cyclictest30644-21ssh21:42:410
126979922041050,1030cyclictest31602-21ssh22:30:540
126979921081022,992cyclictest28384-21rm23:14:470
126979921011032,976cyclictest134850irq/9-eth000:00:400
126979920921053,973cyclictest134850irq/9-eth022:53:510
126979920791025,1013cyclictest19742-21ssh21:26:160
126979920671016,1014cyclictest19771-21ssh22:14:400
126979919941036,864cyclictest0-21swapper19:47:470
126979919511093,858cyclictest0-21swapper22:08:380
12697991930936,973cyclictest0-21swapper20:20:170
126979919071037,778cyclictest0-21swapper23:54:390
126979918841092,693cyclictest31829-21ssh21:45:010
126979918321023,742cyclictest3950irq/9-acpi22:37:560
12697991824994,793cyclictest10123-21ssh22:47:090
126979917421100,551cyclictest12689-21cyclictest19:57:000
126979917341032,605cyclictest3261-21gnome-power-man19:34:540
126979917271045,557cyclictest304272sleep019:27:220
126979917071072,635cyclictest0-21swapper20:11:140
126979916571090,567cyclictest0-21swapper00:25:170
126979916531088,565cyclictest0-21swapper21:54:340
12697991629999,593cyclictest28819-21ssh22:27:130
126979916231069,554cyclictest0-21swapper23:31:420
126979916071100,441cyclictest0-21swapper20:03:120
126979915991094,439cyclictest0-21swapper19:24:110
126979915951019,480cyclictest0-21swapper23:05:550
126979915651040,525cyclictest0-21swapper00:34:100
12697991166620,542cyclictest23991-21hwlatdetect-tra19:17:490
12697991127601,523cyclictest11382-21hwlatdetect-tra19:12:170
2799428217,30sleep028279-21hwlatdetect-tra19:07:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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