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The glibc-profile package includes the GNU libc libraries and support for profiling using the gprof program.
Profiling is analyzing a program's functions to see how much CPU time they use and determining which functions are calling other functions during execution.
To use gprof to profile a program, your program needs to use the GNU libc libraries included in glibc-profile (instead of the standard GNU libc libraries included in the glibc package).

If you are going to use the gprof program to profile a program, you'll need to install the glibc-profile program.

以上、赤帽のサイトから。これ見るかぎりglibcのプロファイリング用のライブラリ群のようですな。あまり必要ではなさそうなのですが、どうしてuimの動作と関連するのでしょう..