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2026-03-31 - 10:57
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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 20 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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