[Bug dynamic-link/19924] TLS performance degradation after dlopen

[cd_songkun at hotmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=19924

--- Comment #19 from ksong <cd_songkun at hotmail dot com> ---
Refer https://sourceware.org/bugzilla/show_bug.cgi?id=19329
I have seen some related modifications have been merged.
But based on the latest version, performance problems still have not improved,
some related code is not merged.
Please refer test result:
LANG=C /home/ksong/work/package/glibc/build/elf/ld-linux-x86-64.so.2
--library-path
/home/ksong/work/test/tls:/home/ksong/work/package/glibc/build:/home/ksong/work/package/glibc/build/math:/home/ksong/work/package/glibc/build/elf:/home/ksong/work/package/glibc/build/dlfcn:/home/ksong/work/package/glibc/build/nss:/home/ksong/work/package/glibc/build/nis:/home/ksong/work/package/glibc/build/rt:/home/ksong/work/package/glibc/build/resolv:/home/ksong/work/package/glibc/build/crypt:/home/ksong/work/package/glibc/build/mathvec:/home/ksong/work/package/glibc/build/nptl:/lib64
./tls_mini
time: 0.509420
time: 1.406026
time: 0.493889


I want to know what is next. 
Thanks!

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