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From: Tom Tromey <tromey@redhat.com>
To: Jan Kratochvil <jan.kratochvil@redhat.com>
Cc: Project Archer <archer@sourceware.org>
Subject: Re: gdb index performance
Date: Wed, 23 Jun 2010 21:24:00 -0000	[thread overview]
Message-ID: <m3ocf1a1dg.fsf@fleche.redhat.com> (raw)
In-Reply-To: <20100623210802.GA17835@host0.dyn.jankratochvil.net> (Jan Kratochvil's message of "Wed, 23 Jun 2010 23:08:02 +0200")

Jan> Wasn't there a problem with incomplete backtraces (due to prelink) such as
Jan> shown at the top of:
Jan> 	http://sourceware.org/ml/gdb-patches/2010-06/msg00515.html
	
For the abiword (PPC) case I manually checked the backtraces and it all
seemed reasonable enough.

Ugh, I looked at the x86 case and it turns out I need a merge from
master to pick up some unhandled DWARF operators.  Sorry about that.

>> The warm cache "bt" results are particularly good (actually I thought
>> something went wrong so I did this again by hand -- it really is that
>> fast)

Jan> Just to be sure - assuming the machine had enough RAM.  # of CPUs?

The PPC box has 2 CPUs.  It seems to have a lot of memory (3G).

The x86 box is my laptop, 1 CPU.  It has 1G of RAM.

Tom

  reply	other threads:[~2010-06-23 21:24 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-23 19:43 Tom Tromey
2010-06-23 21:08 ` Jan Kratochvil
2010-06-23 21:24   ` Tom Tromey [this message]
2010-06-25 16:14     ` Tom Tromey

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