All of lore.kernel.org
 help / color / mirror / Atom feed
From: Andi Kleen <andi@firstfloor.org>
To: Sam Ravnborg <sam@ravnborg.org>
Cc: Andi Kleen <andi@firstfloor.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	LKML <linux-kernel@vger.kernel.org>,
	linux-kbuild <linux-kbuild@vger.kernel.org>,
	Michal Marek <mmarek@suse.cz>,
	"H. Peter Anvin" <hpa@linux.intel.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Ingo Molnar <mingo@elte.hu>,
	Frederic Weisbecker <fweisbec@gmail.com>
Subject: Re: RFC: How to handle function tracing, frame pointers and -mfentry?
Date: Sat, 28 Apr 2012 14:16:31 +0200	[thread overview]
Message-ID: <20120428121631.GL27374@one.firstfloor.org> (raw)
In-Reply-To: <20120428091108.GA6847@merkur.ravnborg.org>

> "make defconfig" in my box calls gcc 50 times.
> This looks much closer to the actual usage of cc-option in the
> above mentioned files.
> How did you manage to achieve 144 calls to gcc?
> 
> Any specific configuration that triggers this?

Hmm, thanks for double checking. I suspect I misgrepped
(included the children of the gcc from the strace log). 
If it calls two children that would be roughly your number.

But even 50 is quite bad.

-Andi

  reply	other threads:[~2012-04-28 12:16 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-27 18:46 RFC: How to handle function tracing, frame pointers and -mfentry? Steven Rostedt
2012-04-27 19:43 ` Steven Rostedt
2012-04-27 20:27 ` Sam Ravnborg
2012-04-27 20:31   ` H. Peter Anvin
2012-04-27 20:57     ` Steven Rostedt
2012-04-27 21:11       ` H. Peter Anvin
2012-04-27 21:27         ` Steven Rostedt
2012-04-28  8:36 ` Andi Kleen
2012-04-28  8:50   ` Sam Ravnborg
2012-04-28  9:11     ` Sam Ravnborg
2012-04-28 12:16       ` Andi Kleen [this message]
2012-04-28 16:34   ` H. Peter Anvin

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20120428121631.GL27374@one.firstfloor.org \
    --to=andi@firstfloor.org \
    --cc=akpm@linux-foundation.org \
    --cc=fweisbec@gmail.com \
    --cc=hpa@linux.intel.com \
    --cc=linux-kbuild@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@elte.hu \
    --cc=mmarek@suse.cz \
    --cc=rostedt@goodmis.org \
    --cc=sam@ravnborg.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.