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2026-04-11 - 04:11
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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 50 highest latencies:
System rack6slot6 (updated Sat Apr 11, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
96839910707553442,53543cyclictest31194-1kworker/u3:000:29:510
96839910662053395,53133cyclictest9-21ksoftirqd/021:02:120
96839910659453474,53120cyclictest0-21swapper23:21:020
96839910655653392,53099cyclictest0-21swapper21:47:150
96839910654753411,53045cyclictest0-21swapper21:33:210
96839910653753412,53125cyclictest0-21swapper00:39:440
96839910650853415,53093cyclictest0-21swapper19:25:340
96839910650353470,53033cyclictest0-21swapper20:45:270
96839910648453475,53009cyclictest0-21swapper22:31:470
96839910646953483,52922cyclictest9675-21cyclictest20:41:050
96839910646753441,53026cyclictest0-21swapper22:01:290
96839910646653459,53007cyclictest0-21swapper21:16:060
96839910644453475,52969cyclictest0-21swapper22:40:300
96839910643653438,52998cyclictest0-21swapper20:08:160
96839910643153437,52994cyclictest0-21swapper23:06:170
96839910642553440,52985cyclictest0-21swapper00:00:530
96839910642353432,52991cyclictest0-21swapper22:15:330
96839910641753385,53032cyclictest0-21swapper00:05:440
96839910627153395,52811cyclictest0-21swapper21:06:130
96839910626953392,52813cyclictest9-21ksoftirqd/020:21:200
96839910625753386,52806cyclictest0-21swapper19:52:210
96839910621253470,52742cyclictest0-21swapper19:34:360
96839910620753467,52740cyclictest0-21swapper20:33:230
96839910620453464,52740cyclictest0-21swapper19:57:530
96839910620153463,52738cyclictest0-21swapper22:21:040
96839910620053462,52738cyclictest0-21swapper19:17:210
96839910618153460,52721cyclictest0-21swapper21:10:040
96839910616353448,52715cyclictest0-21swapper20:54:590
96839910616353403,52760cyclictest0-21swapper20:56:300
96839910615753445,52712cyclictest0-21swapper20:12:570
96839910615153398,52753cyclictest0-21swapper19:47:000
96839910615153334,52802cyclictest11363-21sh23:53:110
96839910614953396,52753cyclictest0-21swapper19:22:330
96839910613953391,52748cyclictest0-21swapper21:40:020
96839910612453426,52698cyclictest0-21swapper00:14:270
96839910511853023,52093cyclictest0-21swapper00:15:070
96839910502552928,52095cyclictest0-21swapper22:53:240
9683995388153440,441cyclictest0-21swapper23:56:520
9683995380753471,336cyclictest0-21swapper19:38:370
9683995368953445,181cyclictest3950irq/9-acpi22:58:550
9683995366023,53637cyclictest0-21swapper21:58:080
9683995359153440,151cyclictest0-21swapper20:01:440
9683995349127,383cyclictest0-21swapper21:20:170
9683995338725,53362cyclictest0-21swapper21:26:180
9683995323422,53119cyclictest0-21swapper19:43:090
9683995307127,53044cyclictest0-21swapper23:47:590
96839923261063,1137cyclictest2099-21runrttasks23:02:360
96839923131063,1123cyclictest2687-21gconfd-220:38:450
96839922961093,1132cyclictest3950irq/9-acpi23:34:350
96839922411048,1071cyclictest0-21swapper23:13:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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