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Re: turning on -fno-inline-functions-called-once

From: Steve Dickson <SteveD at redhat dot com>
To: Fedora Kernel List <fedora-kernel-list at redhat dot com>
Cc: SystemTAP <systemtap at sources dot redhat dot com>
Date: Tue, 07 Oct 2008 09:02:08 -0400
Subject: Re: turning on -fno-inline-functions-called-once
References: <48EA5F44.1030606@RedHat.com> <20081006190408.GA23704@bombadil.infradead.org>


Kyle McMartin wrote:
> On Mon, Oct 06, 2008 at 02:56:04PM -0400, Steve Dickson wrote:
>> A while back, I believe back during the last FUDCon in Raleigh I talked with kylem and davej about turning off the "inline-functions-called-once" which inlines functions that are only called once. Turning off this optimization would allow SystemTap to work much better, especially in the NFS code...
>>
>> Kyle/Dave (or anybody else) remember if anything came out from that conversation?
>>
>> Is there any reason we should not remove this optimization?
>>
> 
> I don't mind the idea of turning this off in debug builds, but I'm iffy
> about turning the optimization off in release builds...
Understandable... but its a catch-22... If its not turned off in release builds then we can't use systemtap [to debug NFS] in production environments which the true value systemtap brings to the table...  imho...

steved.

Follow-Ups:
- Re: turning on -fno-inline-functions-called-once
  - From: Kyle McMartin

References:
- turning on -fno-inline-functions-called-once
  - From: Steve Dickson
- Re: turning on -fno-inline-functions-called-once
  - From: Kyle McMartin

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