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Re: kdb and optimizations
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From: |
Thomas Schwinge |
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Subject: |
Re: kdb and optimizations |
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Date: |
Mon, 8 Apr 2013 00:06:23 +0200 |
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User-agent: |
Notmuch/0.9-101-g81dad07 (http://notmuchmail.org) Emacs/23.4.1 (i486-pc-linux-gnu) |
Hi!
On Sun, 7 Apr 2013 21:10:09 +0200, Samuel Thibault <samuel.thibault@gnu.org>
wrote:
> In the Debian package, when building the kdb-enabled kernel,
> we pass -fno-omit-frame-pointer in CFLAGS, and I'll push
> -fno-optimize-sibling-calls too. Both of them permit to get useful call
> traces in kdb. They should rather be included in the upstream
> configfrag.ac, don't they?
With KDB not handling DWARF information, what you propose is probably the
"right" thing to do indeed, depite the performance loss (which I don't
know how big it is).
Grüße,
Thomas
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