This is the mail archive of the java@gcc.gnu.org mailing list for the Java project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: profile questions

From: Tom Tromey <tromey at redhat dot com>
To: Andrew Haley <aph at gcc dot gnu dot org>
Cc: Anthony Green <green at redhat dot com>, java at gcc dot gnu dot org
Date: 28 Aug 2006 15:37:12 -0600
Subject: Re: profile questions
References: <1156693205.2716.9.camel@localhost.localdomain> <17650.46982.948970.458262@zebedee.pink>
Reply-to: tromey at redhat dot com

>>>>> "Andrew" == Andrew Haley <aph@gcc.gnu.org> writes:

>> 1. What's with _dl_addr taking > 51% of the time?

Andrew> This is because of the lamentable decision to generate line numbers
Andrew> and filenames in all stack traces, by default.  This causes jonas to
Andrew> run at half speed too.  

BTW ... Anthony, if you could redo the profile with addr2line
disabled, that would be interesting.  You can do this with:

  -Dgnu.gcj.runtime.NameFinder.use_addr2line=false

Also I saw oprofiled and no-vmlinux in the profile.  Is there some way
to remove those?

Tom

Follow-Ups:
- Re: profile questions
  - From: Anthony Green

References:
- profile questions
  - From: Anthony Green
- Re: profile questions
  - From: Andrew Haley

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]