Comments (2)
Thank you for doing this analysis and sharing it. I have long wondered about the SymEnumSymbols
vs SymSearch
thing. (You'd think I could've just asked someone who works here, and I did try that, but got no reply.)
from dbgshell.
Apparently SymSearch is only super slow if you're using the Recurse
or AllItems
search options in combination with undecorating symbols - because it doesn't apply the search mask until after populating the symbol info, causing every single symbol's name to go through an extra unnecessary (and suprisingly slow) utf8 -> utf16 -> utf8 round trip before undecorating it.
I also can't actually tell how AllItems
is different from GlobalsOnly
when there' isn't also Recurse
(aside from being much slower).
And an actual DbgShell issue: Recurse
with a "*" symbol name search errors out because some of the symbols returned don't have names
from dbgshell.
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from dbgshell.