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2025-12-06 - 13:27
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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 highest latencies:
System rack6slot6 (updated Sat Dec 06, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25479910671253412,53300cyclictest0-21swapper20:54:010
25479910659753475,53122cyclictest0-21swapper23:35:070
25479910656253408,53058cyclictest13422-21ssh00:20:100
25479910656253394,53103cyclictest0-21swapper23:30:460
25479910655853472,53086cyclictest0-21swapper21:03:430
25479910654253412,53040cyclictest0-21swapper19:50:320
25479910651553420,53032cyclictest3950irq/9-acpi22:36:500
25479910651453479,53035cyclictest0-21swapper23:18:220
25479910650253469,53033cyclictest0-21swapper23:07:090
25479910649553468,53027cyclictest0-21swapper00:19:400
25479910649153464,53027cyclictest0-21swapper19:34:380
25479910647853470,53008cyclictest0-21swapper21:53:580
25479910647653419,53057cyclictest0-21swapper00:29:330
25479910644053439,53001cyclictest0-21swapper22:51:540
25479910641853430,52988cyclictest0-21swapper22:02:300
25479910634153451,52890cyclictest0-21swapper21:25:400
25479910630853401,52817cyclictest9-21ksoftirqd/020:24:220
25479910628653389,52805cyclictest0-21swapper20:09:580
25479910627553395,52814cyclictest0-21swapper20:17:200
25479910621153426,52785cyclictest0-21swapper19:28:160
25479910619353463,52730cyclictest0-21swapper19:44:200
25479910618153453,52728cyclictest0-21swapper20:43:170
25479910616053443,52717cyclictest0-21swapper20:45:380
25479910615653400,52756cyclictest0-21swapper19:24:050
25479910614253433,52709cyclictest0-21swapper20:11:180
25479910613953433,52706cyclictest0-21swapper00:07:560
25479910611853423,52695cyclictest0-21swapper19:36:080
25479910581953353,52463cyclictest0-21swapper23:54:330
25479910579752975,52819cyclictest29953-21sh21:43:550
25479910533953086,52253cyclictest0-21swapper23:41:590
25479910502352921,52100cyclictest0-21swapper00:02:250
2547995378510,53675cyclictest29227-21ssh23:11:500
2547995374925,53631cyclictest0-21swapper23:49:010
2547995362753450,177cyclictest0-21swapper19:59:550
2547995356253386,176cyclictest0-21swapper19:45:110
2547995355453403,151cyclictest0-21swapper21:18:280
2547995348724,53371cyclictest0-21swapper21:38:030
2547995348424,0cyclictest0-21swapper00:31:230
2547995341627,0cyclictest0-21swapper22:58:360
2547995333628,53308cyclictest0-21swapper00:38:350
2547995310424,53080cyclictest0-21swapper20:27:230
2547995307824,53054cyclictest0-21swapper22:29:280
254799529667,52959cyclictest0-21swapper21:09:350
25479938722317,1552cyclictest2739-21devkit-power-da21:21:590
25479923771090,1162cyclictest22212-21ssh21:32:520
25479923421067,1176cyclictest3906-21ssh23:21:230
25479922761050,1103cyclictest0-21swapper22:17:450
25479922691080,1123cyclictest3950irq/9-acpi22:44:520
25479922171069,1054cyclictest3472sleep021:47:260
25479920811098,917cyclictest3950irq/9-acpi23:29:350
25479920491013,1002cyclictest0-21swapper20:02:060
25479919221000,888cyclictest7532-21kworker/u2:123:01:470
2547991919991,890cyclictest25992-21ssh22:23:060
25479918991031,774cyclictest0-21swapper00:10:070
25479918871085,706cyclictest133750irq/9-eth022:49:340
25479918591046,721cyclictest0-21swapper20:55:310
2547991854960,856cyclictest32086-21ssh22:30:480
25479917701099,547cyclictest15076-21ssh22:07:520
25479917341093,576cyclictest9-21ksoftirqd/023:59:540
2547991590761,826cyclictest0-21swapper20:35:450
25479915831025,521cyclictest5201-21diskmemload21:13:160
25479915301030,437cyclictest9-21ksoftirqd/022:14:540
25479915021010,426cyclictest3950irq/9-acpi21:55:580
25479914621093,369cyclictest0-21swapper20:34:450
2547991062618,440cyclictest29217-21hwlatdetect-tra19:18:530
2547991051608,438cyclictest16437-21grep19:13:210
595422580,1sleep05955-21hwlatdetect-tra19:08:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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