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SubjectRe: [PATCH 0/3 v3] dcache: make it more scalable on large system
> As Dave said before, is the last path component sufficient?  Or how
> about an inode number?

Neither works, the profiler needs to find the file and read it.

inode searching would be incredible expensive, unless the file system
provided a "open-by-inode" primitive

In normal operation you only have that event when starting up the
program and when each shared library gets mapped in.

-Andi


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