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2026-03-31 - 06:48
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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 Tue Mar 31, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
323149910691953412,53384cyclictest172612sleep020:32:400
323149910671353263,53437cyclictest0-21swapper19:30:520
323149910670253472,53139cyclictest0-21swapper00:04:410
323149910667453394,53280cyclictest0-21swapper20:42:030
323149910653353443,53090cyclictest0-21swapper00:21:460
323149910652553440,53085cyclictest0-21swapper19:22:500
323149910652053440,53080cyclictest0-21swapper20:54:160
323149910651653477,53039cyclictest0-21swapper21:27:160
323149910644353443,53000cyclictest0-21swapper22:29:240
323149910636453427,52937cyclictest0-21swapper20:08:230
323149910620953471,52738cyclictest0-21swapper20:22:170
323149910619253461,52731cyclictest0-21swapper23:39:340
323149910617853471,52707cyclictest0-21swapper19:45:460
323149910616453445,52719cyclictest0-21swapper19:29:220
323149910616153447,52714cyclictest0-21swapper19:40:050
323149910615853436,52722cyclictest0-21swapper20:18:560
323149910614753397,52750cyclictest0-21swapper20:13:040
323149910613953391,52748cyclictest0-21swapper19:58:100
323149910613853436,52702cyclictest0-21swapper21:01:280
323149910612053259,52838cyclictest30441-21ssh21:53:530
323149910595653388,52556cyclictest3950irq/9-acpi21:18:530
323149910586552958,52905cyclictest13366-21ssh23:48:560
323149910584853311,52537cyclictest0-21swapper21:39:490
323149910576153311,52450cyclictest0-21swapper21:08:500
323149910537453150,52224cyclictest0-21swapper21:40:400
323149910517453068,52104cyclictest0-21swapper23:57:390
323149910504052915,52123cyclictest0-21swapper00:17:350
323149910502752971,52051cyclictest0-21swapper23:20:580
32314995359926,53479cyclictest0-21swapper21:48:520
32314995356727,53473cyclictest0-21swapper19:54:390
32314995356625,183cyclictest0-21swapper00:35:100
32314995355924,467cyclictest0-21swapper20:49:550
32314995324524,0cyclictest0-21swapper22:08:070
32314995323215,53217cyclictest0-21swapper22:38:360
32314995321626,0cyclictest0-21swapper23:19:380
32314995307524,0cyclictest0-21swapper23:31:010
323149953192682,2633cyclictest2679-21devkit-power-da23:28:310
323149924831061,1296cyclictest17015-21ssh21:34:380
323149923531031,1196cyclictest32206-21diskmemload23:04:440
323149923091095,1214cyclictest0-21swapper19:38:440
323149922771022,1162cyclictest3950irq/9-acpi22:30:040
323149922451087,1063cyclictest134850irq/9-eth022:52:100
323149921361014,1085cyclictest9954-21ssh23:44:050
323149920901029,968cyclictest134850irq/9-eth021:59:350
323149920601002,1023cyclictest0-21swapper22:23:120
323149920581001,1006cyclictest5406-21ssh22:04:360
323149920551032,896cyclictest1907-21snmpd22:46:280
32314992019983,1002cyclictest0-21swapper23:12:260
323149919011085,691cyclictest12352-21ssh00:33:490
32314991899901,984cyclictest0-21swapper20:58:570
323149918921080,689cyclictest32206-21diskmemload22:19:310
32314991881913,954cyclictest0-21swapper19:19:290
323149918581082,679cyclictest2099-21runrttasks20:25:280
32314991816915,888cyclictest3950irq/9-acpi22:10:380
323149917431067,584cyclictest0-21swapper00:05:310
32314991718842,860cyclictest7004-21munin-node21:20:140
323149917131090,354cyclictest0-21swapper00:28:180
323149916861091,595cyclictest0-21swapper21:12:310
323149916761089,496cyclictest9-21ksoftirqd/020:36:310
323149916601075,585cyclictest0-21swapper22:56:010
323149916021083,454cyclictest9-21ksoftirqd/023:54:480
323149915001037,373cyclictest0-21swapper23:07:140
323149914591093,366cyclictest0-21swapper22:41:470
323149914491092,357cyclictest0-21swapper20:02:310
323149914311079,352cyclictest0-21swapper00:10:020
32314991186616,565cyclictest6515-21hwlatdetect-tra19:12:470
25463248953,207sleep00-21swapper19:05:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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