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Re: Build times of hurd and glibc for different versions of gnumach, hu


From: Samuel Thibault
Subject: Re: Build times of hurd and glibc for different versions of gnumach, hurd and glibc
Date: Wed, 20 Apr 2016 01:07:09 +0200
User-agent: Mutt/1.5.21+34 (58baf7c9f32f) (2010-12-30)

Samuel Thibault, on Tue 19 Apr 2016 12:18:01 +0200, wrote:
> Svante Signell, on Tue 19 Apr 2016 12:08:07 +0200, wrote:
> > > Looking at ps -feMj, it seems that it's ext2fs which consumes much more
> > > CPU time, thus increasing overall wallclock time. It'd probably be
> > > interesting to profile ext2fs, to see what takes longer. Perhaps it's
> > > the hash table which is less efficient since with the new page cache
> > > policy there are much more cached files?
> > 
> > Are you preparing ext2fs for profiling? .../pkg-glibc/glibc: hurd-i386: Fix
> > recording profiling from ext2fs
> 
> Yes. I just got the results, attached here.

I have now pushed a wiki page for profiling the kernel, which is more
involved:
http://darnassus.sceen.net/~hurd-web/microkernel/mach/gnumach/profiling/
The glibc build is going on, results available later :)

Samuel



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