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2024-09-13 - 08:05
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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 Fri Sep 13, 2024 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23309910731953393,53804cyclictest19743-21diskmemload23:45:540
23309910673653438,53298cyclictest0-21swapper00:09:010
23309910672853391,53273cyclictest22938-21rm00:19:340
23309910669153435,53190cyclictest0-21swapper20:27:570
23309910667053417,53186cyclictest0-21swapper20:18:340
23309910655353470,53017cyclictest3950irq/9-acpi19:24:290
23309910651853479,53039cyclictest0-21swapper19:42:040
23309910649653473,53023cyclictest0-21swapper21:04:580
23309910648653422,53064cyclictest0-21swapper22:23:100
23309910647953420,53059cyclictest0-21swapper21:44:090
23309910647853459,53019cyclictest0-21swapper21:48:000
23309910646053449,53011cyclictest0-21swapper22:39:150
23309910643953440,52999cyclictest0-21swapper21:09:590
23309910643653439,52997cyclictest0-21swapper00:14:220
23309910643153394,53037cyclictest0-21swapper20:37:000
23309910638453410,52974cyclictest0-21swapper23:38:320
23309910637553438,52937cyclictest0-21swapper19:32:010
23309910622053455,52765cyclictest0-21swapper20:01:400
23309910617153445,52726cyclictest0-21swapper23:30:500
23309910616753442,52725cyclictest0-21swapper20:23:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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