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No symbols in native image library(mscorlib.ni.dll)

Henry_H_2
Beginner
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Hi,
I'm a newbie of Vtune software. my application is a 64bit windows software, write by c# & C;
when i use Vtune to tuning it, i confused by following problems:
1why there are two same library? (mscorlib.dll & mscorlib.ni.dll)
2Can i use ngen.exe to generate symbols for native image library?
please ref the picture for detail;
Best regards.
Henry Ho.
45269-no_symbols.png
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Henry_H_2
Beginner
409 Views
I have solved this problem.
The reason is that I dynamic load a native dll without PDB file.
code like this:
if (Intptr.Size == 4)
LoadLibrary("x86\my.dll");
else
LoadLibrary("x64\my.dll");
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