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CPU usage reduction suggestion for the DnsCache View Plugin #69

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DavidXanatos opened this issue Aug 21, 2019 · 0 comments
Open

CPU usage reduction suggestion for the DnsCache View Plugin #69

DavidXanatos opened this issue Aug 21, 2019 · 0 comments

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@DavidXanatos
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In the DnsCache View Plugin in the main.cpp function TraverseDnsCacheTable,
for every entry obtained with DnsGetCacheDataTable_I
the function loops through all types deemed interesting defined in the typeList array,
this seams very inefficient as according to S2017 cpu profiler DnsQuery causes quite a significant CPU load.
instead of looping through all types for each entry, why not just check tablePtr->Type, if its one of the interesting types and than call only DnsQuery(tablePtr->Name, tablePtr->Type, ...)
That would save a lot of CPU cycles.

@dmex dmex transferred this issue from winsiderss/systeminformer Aug 21, 2019
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