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From: "cd_songkun at hotmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/19924] TLS performance degradation after dlopen
Date: Tue, 18 May 2021 02:57:28 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D19924

--- Comment #19 from ksong <cd_songkun at hotmail dot com> ---
Refer https://sourceware.org/bugzilla/show_bug.cgi?id=3D19329
I have seen some related modifications have been merged.
But based on the latest version, performance problems still have not improv=
ed,
some related code is not merged.
Please refer test result:
LANG=3DC /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:/hom=
e/ksong/work/package/glibc/build/dlfcn:/home/ksong/work/package/glibc/build=
/nss:/home/ksong/work/package/glibc/build/nis:/home/ksong/work/package/glib=
c/build/rt:/home/ksong/work/package/glibc/build/resolv:/home/ksong/work/pac=
kage/glibc/build/crypt:/home/ksong/work/package/glibc/build/mathvec:/home/k=
song/work/package/glibc/build/nptl:/lib64
./tls_mini
time: 0.509420
time: 1.406026
time: 0.493889


I want to know what is next.=20
Thanks!

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