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2026-05-30 - 08:13
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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 Sat May 30, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
302009910759253469,53998cyclictest15223-21diskmemload00:03:100
302009910696753447,53520cyclictest0-21swapper21:26:150
302009910691653454,53365cyclictest2099-21runrttasks19:31:020
302009910666553412,53162cyclictest0-21swapper20:14:340
302009910662553464,53161cyclictest0-21swapper21:49:520
302009910655753394,53096cyclictest0-21swapper23:57:080
302009910650353404,53099cyclictest0-21swapper21:53:130
302009910648853467,53021cyclictest0-21swapper22:28:530
302009910648453465,53019cyclictest0-21swapper21:24:040
302009910647253413,53059cyclictest0-21swapper21:15:420
302009910647153459,53012cyclictest0-21swapper22:24:520
302009910646553450,53015cyclictest0-21swapper21:04:080
302009910646453454,53010cyclictest0-21swapper20:23:170
302009910645753408,53049cyclictest0-21swapper20:02:410
302009910645553449,53006cyclictest0-21swapper23:03:030
302009910645253427,53025cyclictest0-21swapper21:32:070
302009910644953446,53003cyclictest0-21swapper21:38:080
302009910642453431,52993cyclictest0-21swapper23:47:260
302009910635153426,52925cyclictest0-21swapper20:56:060
302009910622153471,52750cyclictest0-21swapper23:12:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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