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About _dl_rtld_di_serinfo() function

From: Kangkook Jee <aixer77 at gmail dot com>
To: libc-help at sourceware dot org
Date: Thu, 29 Jul 2010 18:12:19 -0400
Subject: About _dl_rtld_di_serinfo() function

Hi, all

While I was profiling a typical web server, I found that _dl_rtld_di_serinfo() took much of CPU cycles. 
Thus I tried to analyze this function by reading source code, but I could not clearly understand what this function is about. 
I just vaguely assume that this function is related to dynamic loading and provides necessary information but I couldn't figure out any further. 

Can anyone tell me what this is function for?

Thanks for your help in advance
Regards, Kangkook

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